Pioneer Multi-Asset Ultrashort Income Fund
Schedule of Investments | December 31, 2021
A: MAFRX | C: MCFRX | C2: MAUCX | K: MAUKX | Y: MYFRX |
Schedule of Investments | 12/31/21
(unaudited)
Principal Amount USD ($) | Value | |||||
UNAFFILIATED ISSUERS — 103.5% | ||||||
Senior Secured Floating Rate Loan Interests — 5.6% of Net Assets(a)* | ||||||
Advanced Materials — 0.1% | ||||||
1,234,571 | CeramTec AcquiCo GmbH, Facility B2, 2.925% (LIBOR + 275 bps), 3/7/25 | $ 1,222,226 | ||||
967,119 | Gemini HDPE LLC, 2027 Advance, 3.50% (LIBOR + 300 bps), 12/31/27 | 967,925 | ||||
746,250 | Groupe Solmax Inc., Initial Term Loan, 5.50% (LIBOR + 475 bps), 5/29/28 | 747,649 | ||||
Total Advanced Materials | $2,937,800 | |||||
Advertising Sales — 0.1% | ||||||
977,500 | Clear Channel Outdoor Holdings, Inc., Term B Loan, 3.629% (LIBOR + 350 bps), 8/21/26 | $ 965,205 | ||||
1,475,298 | Outfront Media Capital LLC (Outfront Media Capital Corporation), Extended Term Loan, 1.852% (LIBOR + 175 bps), 11/18/26 | 1,459,316 | ||||
Total Advertising Sales | $2,424,521 | |||||
Advertising Services — 0.0%† | ||||||
750,000 | Dotdash Meredith, Inc., Term B Loan, 4.05% (PRIME + 300 bps), 12/1/28 | $ 751,875 | ||||
Total Advertising Services | $751,875 | |||||
Aerospace & Defense — 0.1% | ||||||
1,564,062 | ADS Tactical, Inc., Initial Term Loan, 6.75% (LIBOR + 575 bps), 3/19/26 | $ 1,556,242 | ||||
1,488,769 | Spirit Aerosystems, Inc. (fka Mid-Western Aircraft Systems, Inc and Onex Wind Finance LP.), 2021 Refinancing Term Loan, 4.25% (LIBOR + 375 bps), 1/15/25 | 1,492,955 | ||||
Total Aerospace & Defense | $3,049,197 | |||||
Airlines — 0.1% | ||||||
500,000 | Air Canada, Term Loan, 4.25% (LIBOR + 350 bps), 8/11/28 | $ 500,416 | ||||
2,375,534 | American Airlines, Inc., 2018 Replacement Term Loan, 1.852% (LIBOR + 175 bps), 6/27/25 | 2,257,128 | ||||
744,375 | United AirLines, Inc., Class B Term Loan, 4.50% (LIBOR + 375 bps), 4/21/28 | 748,511 | ||||
Total Airlines | $3,506,055 | |||||
Appliances — 0.0%† | ||||||
406,960 | Weber-Stephen Products LLC, Initial Term B Loan, 4.00% (LIBOR + 325 bps), 10/30/27 | $ 408,086 | ||||
Total Appliances | $408,086 |
1Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Applications Software — 0.0%† | ||||||
742,500 | Flexera Software LLC, First Lien Term B-1 Loan, 4.50% (LIBOR + 375 bps), 3/3/28 | $ 743,635 | ||||
Total Applications Software | $743,635 | |||||
Auction House & Art Dealer — 0.0%† | ||||||
1,745,625 | Sotheby's, 2021 Second Refinancing Term Loan, 5.00% (LIBOR + 450 bps), 1/15/27 | $ 1,752,171 | ||||
Total Auction House & Art Dealer | $1,752,171 | |||||
Auto Parts & Equipment — 0.1% | ||||||
494,834 | IXS Holdings, Inc., Initial Term Loan, 5.00% (LIBOR + 425 bps), 3/5/27 | $ 486,587 | ||||
2,291,667 | Visteon Corporation, 2018 New Term Loan, 1.925% (LIBOR + 175 bps), 3/25/24 | 2,291,666 | ||||
Total Auto Parts & Equipment | $2,778,253 | |||||
Auto Repair Centers — 0.0%† | ||||||
1,500,000 | Driven Holdings, LLC, Term Loan, 3.517% (LIBOR + 300 bps), 11/17/28 | $ 1,501,875 | ||||
Total Auto Repair Centers | $1,501,875 | |||||
Batteries/Battery Systems — 0.0%† | ||||||
744,375 | Energizer Holdings, Inc., 2020 Term Loan, 2.75% (LIBOR + 225 bps), 12/22/27 | $ 743,755 | ||||
Total Batteries/Battery Systems | $743,755 | |||||
Broadcast Service & Programing — 0.0%† | ||||||
1,100,000(b) | Univision Communications Inc., Term Loan B, 5/5/28 | $ 1,099,484 | ||||
Total Broadcast Service & Programing | $1,099,484 | |||||
Building & Construction — 0.1% | ||||||
208,957 | DG Investment Intermediate Holdings 2, Inc., First Lien Closing Date Initial Term Loan, 4.25% (LIBOR + 350 bps), 3/31/28 | $ 210,524 | ||||
1,462,290 | Refficiency Holdings LLC, 2021 Initial Term Loan, 4.00% (LIBOR + 325 bps), 12/16/27 | 1,464,118 | ||||
1,147,165 | Service Logic Acquisition, Inc., First Lien Closing Date Initial Term Loan, 4.75% (LIBOR + 400 bps), 10/29/27 | 1,145,731 | ||||
Total Building & Construction | $2,820,373 | |||||
Building & Construction Products — 0.1% | ||||||
496,250 | Cornerstone Building Brands, Inc., Tranche B Term Loan, 3.75% (LIBOR + 325 bps), 4/12/28 | $ 496,622 | ||||
995,000 | Jeld-Wen, Inc., Replacement Term Loan, 2.351% (LIBOR + 225 bps), 7/28/28 | 995,467 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/212
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Building & Construction Products — (continued) | ||||||
1,240,625 | Potters Industries, LLC, Initial Term Loan, 4.75% (LIBOR + 400 bps), 12/14/27 | $ 1,244,502 | ||||
480,188 | Standard Industries Inc., Initial Term Loan, 3.00% (LIBOR + 250 bps), 9/22/28 | 480,921 | ||||
2,690,909 | Summit Materials, LLC, New Term Loan, 2.104% (LIBOR + 200 bps), 11/21/24 | 2,692,927 | ||||
400,000 | Zurn LLC (Zurn Holdings, Inc.), First Lien Term B Loan, 2.75% (LIBOR + 225 bps), 10/4/28 | 400,800 | ||||
Total Building & Construction Products | $6,311,239 | |||||
Cable & Satellite Television — 0.3% | ||||||
2,487,500 | Cable One, Inc., Incremental Term B-4 Loan, 2.104% (LIBOR + 200 bps), 5/3/28 | $ 2,490,609 | ||||
2,977,157 | Charter Communications Operating, LLC, Term B-2 Loan, 1.86% (LIBOR + 175 bps), 2/1/27 | 2,952,408 | ||||
1,328,478 | CSC Holdings, LLC (fka CSC Holdings Inc. (Cablevision)), October 2018 Incremental Term Loan, 2.36% (LIBOR + 225 bps), 1/15/26 | 1,313,740 | ||||
1,000,000 | Radiate Holdco, LLC, Amendment No. 6 Term Loan, 4.00% (LIBOR + 325 bps), 9/25/26 | 997,986 | ||||
1,025,000 | Virgin Media Bristol LLC, Facility Q, 3.359% (LIBOR + 325 bps), 1/31/29 | 1,025,641 | ||||
1,484,673 | Virgin Media Bristol LLC, N Facility, 2.61% (LIBOR + 250 bps), 1/31/28 | 1,471,785 | ||||
2,175,000 | Ziggo Financing Partnership, Term Loan I Facility, 2.61% (LIBOR + 250 bps), 4/30/28 | 2,154,609 | ||||
Total Cable & Satellite Television | $12,406,778 | |||||
Casino Hotels — 0.1% | ||||||
1,951,309 | Boyd Gaming Corporation, Refinancing Term B Loan, 2.354% (LIBOR + 225 bps), 9/15/23 | $ 1,952,528 | ||||
1,484,536 | Caesars Resort Collection, LLC, Term B Loan, 2.855% (LIBOR + 275 bps), 12/23/24 | 1,478,784 | ||||
1,488,173 | Station Casinos LLC, Term B-1 Facility Loan, 2.50% (LIBOR + 225 bps), 2/8/27 | 1,476,919 | ||||
Total Casino Hotels | $4,908,231 | |||||
Casino Services — 0.1% | ||||||
2,626,300 | Flutter Entertainment plc, USD Term Loan, 2.474% (LIBOR + 225 bps), 7/21/26 | $ 2,620,181 | ||||
Total Casino Services | $2,620,181 |
3Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Cellular Telecom — 0.0%† | ||||||
1,246,875 | Xplornet Communications Inc., First Lien Refinancing Term Loan, 4.50% (LIBOR + 400 bps), 10/2/28 | $ 1,247,810 | ||||
Total Cellular Telecom | $1,247,810 | |||||
Chemicals-Diversified — 0.1% | ||||||
1,090,764 | ARC Falcon I Inc., Initial Term Loan, 4.25% (LIBOR + 375 bps), 9/30/28 | $ 1,090,991 | ||||
997,500 | Orion Engineered Carbons GmbH, 2021 Initial Dollar Term Loan, 2.75% (LIBOR + 225 bps), 9/24/28 | 1,002,488 | ||||
Total Chemicals-Diversified | $2,093,479 | |||||
Chemicals-Specialty — 0.2% | ||||||
1,000,000 | Diamond (BC) B.V., Amendment No. 3 Refinancing Term Loan, 3.50% (LIBOR + 300 bps), 9/29/28 | $ 995,000 | ||||
2,964,684 | Element Solutions Inc (Macdermid, Incorporated), Tranche B-1 Term Loan, (LIBOR + 200 bps), 1/31/26 | 2,957,803 | ||||
995,000 | INEOS Styrolution Group GmbH, 2026 Tranche B Dollar Term Loan, 3.25% (LIBOR + 275 bps), 1/29/26 | 994,378 | ||||
1,000,000 | Olympus Water US Holding Corporation, Initial Dollar Term Loan, 4.25% (LIBOR + 375 bps), 11/9/28 | 997,847 | ||||
1,719,381 | Tronox Finance LLC, First Lien Refinancing Term Loan, 2.354% (LIBOR + 225 bps), 3/10/28 | 1,705,517 | ||||
1,125,000 | W. R. Grace Holdings LLC, Initial Term Loan, 4.25% (LIBOR + 375 bps), 9/22/28 | 1,128,375 | ||||
Total Chemicals-Specialty | $8,778,920 | |||||
Commercial Services — 0.2% | ||||||
1,000,000 | AEA International Holdings (Luxembourg) S.a.r.l., First Lien 2021 Term Loan, 4.25% (LIBOR + 375 bps), 9/7/28 | $ 1,001,250 | ||||
1,955,225 | Amentum Government Services Holdings LLC, First Lien Tranche 2 Term Loan, 5.50% (LIBOR + 475 bps), 1/29/27 | 1,958,279 | ||||
1,000,000(b) | APi Group DE, Inc., 2021 Incremental Term Loan, 12/18/28 | 1,000,375 | ||||
1,122,187 | CoreLogic, Inc. (fka First American Corporation, The), First Lien 2021 Term Loan, 4.00% (LIBOR + 350 bps), 6/2/28 | 1,123,029 | ||||
475,000(b) | Pre-Paid Legal Services, Inc., First Lien 2021 Term Loan, 12/15/28 | 472,477 | ||||
1,786,470 | Trans Union LLC, 2019 Replacement Term B-5 Loan, 1.854% (LIBOR + 175 bps), 11/16/26 | 1,768,764 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/214
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Commercial Services — (continued) | ||||||
1,850,000 | Trans Union LLC, 2021 Incremental Term B-6 Loan, 2.75% (LIBOR + 225 bps), 12/1/28 | $ 1,847,815 | ||||
497,500 | Verscend Holding Corp., Term B-1 Loan, 4.104% (LIBOR + 400 bps), 8/27/25 | 498,019 | ||||
Total Commercial Services | $9,670,008 | |||||
Computer Data Security — 0.0%† | ||||||
1,246,875 | Magenta Buyer LLC, First Lien 2021 Term Loan, 5.75% (LIBOR + 500 bps), 7/27/28 | $ 1,246,355 | ||||
Total Computer Data Security | $1,246,355 | |||||
Computer Services — 0.1% | ||||||
2,587,000 | Ahead DB Holdings, LLC, First Lien Term B Loan, 4.50% (LIBOR + 375 bps), 10/18/27 | $ 2,594,479 | ||||
1,240,625 | Peraton Corp., First Lien Term B Loan, 4.50% (LIBOR + 375 bps), 2/1/28 | 1,243,394 | ||||
1,704,681 | Science Applications International Corporation, Tranche B2 Loan, 1.979% (LIBOR + 187.5 bps), 3/12/27 | 1,704,529 | ||||
897,750 | Sitel Group, Initial Dollar Term Loan, 4.25% (LIBOR + 375 bps), 8/28/28 | 898,632 | ||||
Total Computer Services | $6,441,034 | |||||
Computer Software — 0.0%† | ||||||
500,000 | Cornerstone OnDemand, Inc., First Lien 2021 Term Loan, 4.25% (LIBOR + 375 bps), 10/16/28 | $ 499,563 | ||||
397,000 | Rackspace Technology Global, Inc., First Lien 2021 Term B Loan, 3.50% (LIBOR + 275 bps), 2/15/28 | 394,568 | ||||
750,000(b) | TIBCO Software Inc., Term B-2 Loan, 6/30/26 | 743,789 | ||||
Total Computer Software | $1,637,920 | |||||
Computers-Integrated Systems — 0.1% | ||||||
3,432,330 | NCR Corporation, 2019 Initial Term Loan, 2.63% (LIBOR + 250 bps), 8/28/26 | $ 3,406,588 | ||||
Total Computers-Integrated Systems | $3,406,588 | |||||
Consulting Services — 0.0%† | ||||||
995,000 | Ankura Consulting Group, LLC, First Lien Closing Date Term Loan, 5.25% (LIBOR + 450 bps), 3/17/28 | $ 999,975 | ||||
953,100 | MAG DS Corp., Initial Term Loan, 6.50% (LIBOR + 550 bps), 4/1/27 | 888,766 | ||||
Total Consulting Services | $1,888,741 |
5Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Consumer Products — 0.0%† | ||||||
496,250 | Spectrum Brands, Inc., 2021 Term Loan, 2.50% (LIBOR + 200 bps), 3/3/28 | $ 495,113 | ||||
Total Consumer Products | $495,113 | |||||
Containers-Paper & Plastic — 0.2% | ||||||
5,738,145 | Berry Global, Inc., Term Z Loan, 1.864% (LIBOR + 175 bps), 7/1/26 | $ 5,707,962 | ||||
498,750 | Pactiv Evergreen Inc., Tranche B-3 U.S. Term Loan, 4.00% (LIBOR + 350 bps), 9/24/28 | 498,314 | ||||
1,491,262 | ProAmpac PG Borrower LLC, First Lien 2020-1 Term Loan, 4.50% (LIBOR + 375 bps), 11/3/25 | 1,493,499 | ||||
Total Containers-Paper & Plastic | $7,699,775 | |||||
Cruise Lines — 0.0%† | ||||||
1,477,500 | Carnival Corporation, USD Initial Advance, 3.75% (LIBOR + 300 bps), 6/30/25 | $ 1,463,648 | ||||
Total Cruise Lines | $1,463,648 | |||||
Data Processing & Management — 0.0%† | ||||||
457,647 | DTI Holdco, Inc., Replacement B-1 Term Loan, 5.75% (LIBOR + 475 bps), 9/29/23 | $ 452,451 | ||||
Total Data Processing & Management | $452,451 | |||||
Diagnostic Equipment — 0.1% | ||||||
2,533,401 | Avantor Funding, Inc., 2021 Incremental B-5 Dollar Term Loan, 2.75% (LIBOR + 225 bps), 11/8/27 | $ 2,533,005 | ||||
1,487,525 | Curia Global, Inc., First Lien 2021 Term Loan, 4.50% (LIBOR + 375 bps), 8/30/26 | 1,490,780 | ||||
Total Diagnostic Equipment | $4,023,785 | |||||
Direct Marketing — 0.0%† | ||||||
1,186,397 | Red Ventures, LLC (New Imagitas, Inc.), First Lien Term B-2 Loan, 2.604% (LIBOR + 250 bps), 11/8/24 | $ 1,180,359 | ||||
Total Direct Marketing | $1,180,359 | |||||
Disposable Medical Products — 0.1% | ||||||
1,000,000 | Medline Borrower, LP, Initial Dollar Term Loan, 3.75% (LIBOR + 325 bps), 10/23/28 | $ 1,000,312 | ||||
1,200,000 | Sotera Health Holdings, LLC, First Lien Refinancing Loan, 3.25% (LIBOR + 275 bps), 12/11/26 | 1,197,250 | ||||
Total Disposable Medical Products | $2,197,562 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/216
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Distribution & Wholesale — 0.1% | ||||||
1,240,625 | Resideo Funding Inc., Initial Term Loan, 2.75% (LIBOR + 225 bps), 2/11/28 | $ 1,240,625 | ||||
1,992,494 | Univar Solutions USA Inc., Term B-6 Loan, 2.104% (LIBOR + 200 bps), 6/3/28 | 1,989,505 | ||||
Total Distribution & Wholesale | $3,230,130 | |||||
E-Commerce — 0.0%† | ||||||
496,250 | CNT Holdings I Corp, First Lien 2021 Term Loan, 4.25% (LIBOR + 350 bps), 11/8/27 | $ 496,746 | ||||
Total E-Commerce | $496,746 | |||||
Electric-Generation — 0.1% | ||||||
2,035,469 | Eastern Power, LLC (Eastern Covert Midco, LLC), Term Loan, 4.75% (LIBOR + 375 bps), 10/2/25 | $ 1,591,737 | ||||
557,946 | Vistra Operations Company LLC (fka Tex Operations Company LLC), 2018 Incremental Term Loan, 1.859% (LIBOR + 175 bps), 12/31/25 | 554,359 | ||||
Total Electric-Generation | $2,146,096 | |||||
Electric-Integrated — 0.0%† | ||||||
479,452 | Pike Corporation, 2028 Initial Term Loan, 3.11% (LIBOR + 300 bps), 1/21/28 | $ 478,453 | ||||
Total Electric-Integrated | $478,453 | |||||
Electronic Composition — 0.0%† | ||||||
1,827,140 | Compass Power Generation, L.L.C., Tranche B-1 Term Loan, 4.50% (LIBOR + 350 bps), 12/20/24 | $ 1,823,486 | ||||
Total Electronic Composition | $1,823,486 | |||||
Engines — 0.0%† | ||||||
1,496,250(c) | Arcline FM Holdings, LLC, First Lien 2021 Term Loan, 5.50% (LIBOR + 475 bps), 6/23/28 | $ 1,497,185 | ||||
Total Engines | $1,497,185 | |||||
Enterprise Software & Services — 0.1% | ||||||
1,000,000(b) | First Advantage Holdings, LLC, First Lien Term B-1 Loan, 1/31/27 | $ 996,875 | ||||
1,246,875 | Skopima Consilio Parent LLC, First Lien 2021 Term Loan, 4.50% (LIBOR + 400 bps), 5/12/28 | 1,240,752 | ||||
486,396 | Verint Systems, Inc., Refinancing Term Loan, 2.099% (LIBOR + 200 bps), 6/28/24 | 484,572 | ||||
Total Enterprise Software & Services | $2,722,199 |
7Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Entertainment Software — 0.0%† | ||||||
843,625 | Playtika Holding Corp., Term B-1 Loan, 2.854% (LIBOR + 275 bps), 3/13/28 | $ 841,420 | ||||
Total Entertainment Software | $841,420 | |||||
Finance-Credit Card — 0.0%† | ||||||
497,501 | FleetCor Technologies Operating Company, LLC, Term B-4 Loan, 1.854% (LIBOR + 175 bps), 4/28/28 | $ 492,402 | ||||
Total Finance-Credit Card | $492,402 | |||||
Finance-Investment Banker — 0.1% | ||||||
2,481,250 | Citadel Securities LP, 2021 Term Loan, 2.604% (LIBOR + 250 bps), 2/2/28 | $ 2,468,844 | ||||
942,875 | Hudson River Trading LLC, Term Loan, 3.105% (LIBOR + 300 bps), 3/20/28 | 937,571 | ||||
Total Finance-Investment Banker | $3,406,415 | |||||
Finance-Leasing Company — 0.2% | ||||||
1,241,231 | Avolon TLB Borrower 1 (US) LLC, 2021 Term B-5 Loan, 2.75% (LIBOR + 225 bps), 12/1/27 | $ 1,244,507 | ||||
1,144,959 | Avolon TLB Borrower 1 (US) LLC, Term B-3 Loan, 2.50% (LIBOR + 175 bps), 1/15/25 | 1,146,708 | ||||
1,361,245 | Avolon TLB Borrower 1 (US) LLC, Term B-4 Loan, 2.25% (LIBOR + 150 bps), 2/12/27 | 1,352,028 | ||||
904,422 | Delos Finance S.a r.l., 2018 New Loan, 1.974% (LIBOR + 175 bps), 10/6/23 | 905,412 | ||||
2,430,000 | Setanta Aircraft Leasing DAC, Loan, 2.14% (LIBOR + 200 bps), 11/5/28 | 2,432,658 | ||||
Total Finance-Leasing Company | $7,081,313 | |||||
Food-Meat Products — 0.0%† | ||||||
1,914,984 | JBS USA Lux S.A. (fka JBS USA, LLC), New Term Loan, 2.102% (LIBOR + 200 bps), 5/1/26 | $ 1,912,790 | ||||
Total Food-Meat Products | $1,912,790 | |||||
Food-Wholesale & Distributions — 0.0%† | ||||||
977,500 | US Foods, Inc. (aka U.S. Foodservice, Inc.), Incremental B-2019 Term Loan, 2.104% (LIBOR + 200 bps), 9/13/26 | $ 968,260 | ||||
Total Food-Wholesale/Distrib | $968,260 | |||||
Forestry — 0.0%† | ||||||
1,580,000 | Asplundh Tree Expert, LLC, Amendment No. 1 Term Loan, 1.854% (LIBOR + 175 bps), 9/7/27 | $ 1,574,922 | ||||
Total Forestry | $1,574,922 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/218
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Gambling (Non-Hotel) — 0.1% | ||||||
1,000,000 | Bally's Corporation, Term B Facility Loan, 3.75% (LIBOR + 325 bps), 10/2/28 | $ 1,001,437 | ||||
635,250 | Enterprise Development Authority, Term Loan B, 5.00% (LIBOR + 425 bps), 2/28/28 | 635,250 | ||||
3,534,212 | Scientific Games International, Inc., Initial Term B-5 Loan, 2.854% (LIBOR + 275 bps), 8/14/24 | 3,526,037 | ||||
Total Gambling (Non-Hotel) | $5,162,724 | |||||
Hazardous Waste Disposal — 0.0%† | ||||||
1,500,000 | Clean Harbors, Inc., 2021 Incremental Term Loan, 2.104% (LIBOR + 200 bps), 10/8/28 | $ 1,500,468 | ||||
Total Hazardous Waste Disposal | $1,500,468 | |||||
Home Furnishings — 0.0%† | ||||||
997,500 | Herman Miller, Inc. , Initial Term B Loan, 2.125% (LIBOR + 200 bps), 7/19/28 | $ 998,302 | ||||
Total Home Furnishings | $998,302 | |||||
Hotels & Motels — 0.0%† | ||||||
498,750 | Hilton Grand Vacations Borrower LLC, Initial Term Loan, 3.50% (LIBOR + 300 bps), 8/2/28 | $ 500,153 | ||||
Total Hotels & Motels | $500,153 | |||||
Human Resources — 0.0%† | ||||||
992,500 | CCRR Parent, Inc., First Lien 2021 Term Loan, 4.50% (LIBOR + 375 bps), 3/6/28 | $ 997,153 | ||||
989,610 | Team Health Holdings, Inc., Initial Term Loan, 3.75% (LIBOR + 275 bps), 2/6/24 | 950,379 | ||||
Total Human Resources | $1,947,532 | |||||
Independ Power Producer — 0.0%† | ||||||
744,000 | Calpine Construction Finance Company, L.P., Term B Loan, 2.105% (LIBOR + 200 bps), 1/15/25 | $ 738,819 | ||||
488,750 | Calpine Corporation, Term Loan, 2.104% (LIBOR + 200 bps), 8/12/26 | 483,531 | ||||
481,517 | EFS Cogen Holdings I LLC, Term B Advance, 4.50% (LIBOR + 350 bps), 10/1/27 | 475,699 | ||||
Total Independ Power Producer | $1,698,049 | |||||
Insurance Brokers — 0.0%† | ||||||
975,000 | Alliant Holdings Intermediate, LLC, 2019 New Term Loan, 3.354% (LIBOR + 325 bps), 5/9/25 | $ 976,490 | ||||
335,125 | USI, Inc. (fka Compass Investors Inc.), 2017 New Term Loan, 3.132% (LIBOR + 300 bps), 5/16/24 | 333,100 | ||||
Total Insurance Brokers | $1,309,590 |
9Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Internet Content — 0.0%† | ||||||
995,000 | Adevinta ASA, Facility B2, 3.50% (LIBOR + 275 bps), 6/26/28 | $ 996,990 | ||||
Total Internet Content | $996,990 | |||||
Investment Management & Advisory Services — 0.1% | ||||||
887,097 | Allspring Buyer LLC, Initial Term Loan, 3.75% (LIBOR + 325 bps), 11/1/28 | $ 889,710 | ||||
995,000 | Edelman Financial Engines Center, LLC, The, First Lien 2021 Term Loan, 4.25% (LIBOR + 350 bps), 4/7/28 | 995,484 | ||||
1,500,000 | Russell Investments US Institutional Holdco, Inc., 2025 Term Loan, 4.50% (LIBOR + 350 bps), 5/30/25 | 1,502,437 | ||||
Total Investment Management & Advisory Services | $3,387,631 | |||||
Lasers-System & Components — 0.1% | ||||||
2,500,000(b) | II-VI Incorporated, Term Loan B, 12/8/28 | $ 2,500,520 | ||||
Total Lasers-Syst/Components | $2,500,520 | |||||
Machinery — 0.0%† | ||||||
1,500,000(b) | Ali Group S.R.L., Term Loan B, 10/13/28 | $ 1,492,968 | ||||
93,697 | Clark Equipment Company, Repriced 2019 Term Loan, 2.059% (LIBOR + 183.5 bps), 5/18/24 | 93,346 | ||||
138,309 | Gardner Denver, Inc., 2020 GDI Tranche B-2 Dollar Term Loan, 1.854% (LIBOR + 175 bps), 3/1/27 | 137,023 | ||||
Total Machinery | $1,723,337 | |||||
Machinery-Construction & Mining — 0.0%† | ||||||
59,005 | Terex Corporation, 2018 Incremental U.S. Term Loan, 2.75% (LIBOR + 200 bps), 1/31/24 | $ 59,024 | ||||
Total Machinery-Construction & Mining | $59,024 | |||||
Machinery-Pumps — 0.0%† | ||||||
1,084,670(b) | Circor International, Inc., Initial Term Loan, 12/20/28 | $ 1,077,891 | ||||
Total Machinery-Pumps | $1,077,891 | |||||
Medical Information Systems — 0.0%† | ||||||
496,250 | athenahealth, Inc., First Lien Term B-1 Loan, 4.40% (LIBOR + 425 bps), 2/11/26 | $ 496,560 | ||||
Total Medical Information Systems | $496,560 | |||||
Medical Labs & Testing Services — 0.2% | ||||||
994,987 | Catalent Pharma Solutions, Inc., 2021 Incremental Dollar Term B-3, 2.50% (LIBOR + 200 bps), 2/22/28 | $ 997,578 | ||||
2,376,500 | Envision Healthcare Corporation, Initial Term Loan, 3.855% (LIBOR + 375 bps), 10/10/25 | 1,919,618 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2110
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Medical Labs & Testing Services — (continued) | ||||||
1,088,946 | Icon Public Limited Company, Lux Term Loan, 2.75% (LIBOR + 225 bps), 7/3/28 | $ 1,090,533 | ||||
1,787,306 | Iqvia Inc. (Quintiles IMS), Incremental Term B-2 Dollar Loan, 1.854% (LIBOR + 175 bps), 1/17/25 | 1,784,625 | ||||
1,803,935 | Phoenix Guarantor Inc., First Lien Tranche B-1 Term Loan, 3.354% (LIBOR + 325 bps), 3/5/26 | 1,795,559 | ||||
1,240,625 | Phoenix Guarantor Inc., First Lien Tranche B-3 Term Loan, 3.604% (LIBOR + 350 bps), 3/5/26 | 1,234,865 | ||||
1,346,625 | U.S. Anesthesia Partners, Inc., First Lien 2021 Term Loan, 4.75% (LIBOR + 425 bps), 10/1/28 | 1,344,942 | ||||
Total Medical Labs & Testing Services | $10,167,720 | |||||
Medical Products — 0.0%† | ||||||
1,483,688 | NMN Holdings III Corp., First Lien Closing Date Term Loan, (LIBOR + 375 bps), 11/13/25 | $ 1,460,197 | ||||
318,638 | NMN Holdings III Corp., First Lien Delayed Draw Term Loan, 3.854% (LIBOR + 375 bps), 11/13/25 | 313,593 | ||||
Total Medical Products | $1,773,790 | |||||
Medical-Biomedical & Generation — 0.0%† | ||||||
264,416 | RPI Intermediate Finance Trust, Term B-1 Term Facility, 1.854% (LIBOR + 175 bps), 2/11/27 | $ 263,920 | ||||
Total Medical-Biomedical & Generation | $263,920 | |||||
Medical-Drugs — 0.2% | ||||||
1,818,823 | Bausch Health Companies Inc., First Incremental Term Loan, 2.854% (LIBOR + 275 bps), 11/27/25 | $ 1,809,445 | ||||
1,995,682 | Bausch Health Companies Inc., Initial Term Loan, 3.105% (LIBOR + 300 bps), 6/2/25 | 1,989,308 | ||||
2,352,501 | Grifols Worldwide Operations Limited, Dollar Tranche B Term Loan, 2.104% (LIBOR + 200 bps), 11/15/27 | 2,321,380 | ||||
271,312 | Icon Public Limited Company, U.S. Term Loan, 2.75% (LIBOR + 225 bps), 7/3/28 | 271,707 | ||||
1,119,375 | Jazz Pharmaceuticals Public Limited Company, Initial Dollar Term Loan, 4.00% (LIBOR + 350 bps), 5/5/28 | 1,125,272 | ||||
1,446,250 | Organon & Co., Dollar Term Loan, 3.50% (LIBOR + 300 bps), 6/2/28 | 1,450,016 | ||||
800,000 | Padagis LLC, Term B Loan, 5.25% (LIBOR + 475 bps), 7/6/28 | 797,500 | ||||
595,833 | Prestige Brands, Inc. , Term B-5 Loan, 2.50% (LIBOR + 200 bps), 7/3/28 | 596,950 | ||||
Total Medical-Drugs | $10,361,578 |
11Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Medical-Hospitals — 0.0%† | ||||||
177,273 | EyeCare Partners, LLC, First Lien Amendment No. 1 Delayed Draw Term Loan, 6.00% (LIBOR + 375 bps), 11/15/28 | $ 176,885 | ||||
1,040,000 | EyeCare Partners, LLC, First Lien Amendment No. 1 Term Loan, 4.25% (LIBOR + 375 bps), 11/15/28 | 1,037,724 | ||||
Total Medical-Hospitals | $1,214,609 | |||||
Medical-Wholesale Drug Distribution — 0.1% | ||||||
2,180,481 | Gainwell Acquisition Corp., First Lien Term B Loan, 4.75% (LIBOR + 400 bps), 10/1/27 | $ 2,189,338 | ||||
1,458,750 | Vizient, Inc., Term B-6 Loan, 2.104% (LIBOR + 200 bps), 5/6/26 | 1,448,037 | ||||
Total Medical-Wholesale Drug Distribution | $3,637,375 | |||||
Metal Processors & Fabrication — 0.0%† | ||||||
355,000 | WireCo WorldGroup Inc., Initial Term Loan, 4.75% (LIBOR + 425 bps), 11/13/28 | $ 354,556 | ||||
Total Metal Processors & Fabrication | $354,556 | |||||
Multimedia — 0.0%† | ||||||
416,875 | E.W. Scripps Company, The, Tranche B-3 Term Loan, 3.75% (LIBOR + 300 bps), 1/7/28 | $ 417,321 | ||||
Total Multimedia | $417,321 | |||||
Music — 0.0%† | ||||||
1,000,000 | WMG Acquisition Corp., Tranche G Term Loan, 2.229% (LIBOR + 212.5 bps), 1/20/28 | $ 997,083 | ||||
Total Music | $997,083 | |||||
Networking Products — 0.1% | ||||||
2,524,500 | LogMeIn, Inc., First Lien 2021 Term Loan, 4.86% (LIBOR + 475 bps), 8/31/27 | $ 2,513,258 | ||||
Total Networking Products | $2,513,258 | |||||
Non-hazardous Waste Disposal — 0.1% | ||||||
1,317,507 | GFL Environmental Inc., 2020 Refinancing Term Loan, 3.50% (LIBOR + 300 bps), 5/30/25 | $ 1,321,871 | ||||
746,250 | WIN Waste Innovations Holdings Inc., Initial Term Loan, 3.25% (LIBOR + 275 bps), 3/24/28 | 746,483 | ||||
Total Non-hazardous Waste Disposal | $2,068,354 | |||||
Office Automation & Equipment — 0.0%† | ||||||
1,081,825 | Pitney Bowes Inc., Refinancing Tranche B Term Loan, 4.11% (LIBOR + 400 bps), 3/17/28 | $ 1,075,515 | ||||
Total Office Automation & Equipment | $1,075,515 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2112
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Oil Comp-Explor & Production — 0.0%† | ||||||
1,500,000 | Southwestern Energy Company, Initial Loan, 2.549% (SOFRRATE + 250 bps), 6/22/27 | $ 1,504,688 | ||||
Total Oil Comp-Explor & Production | $1,504,688 | |||||
Paper & Related Products — 0.1% | ||||||
2,587,000 | Schweitzer-Mauduit International, Inc., Term B Loan, 4.50% (LIBOR + 375 bps), 4/20/28 | $ 2,583,767 | ||||
683,333 | Sylvamo Corporation, Term Loan B, 5.00% (LIBOR + 450 bps), 8/18/28 | 687,319 | ||||
Total Paper & Related Products | $3,271,086 | |||||
Pharmacy Services — 0.0%† | ||||||
903,093 | Change Healthcare Holdings, LLC, Closing Date Term Loan, 3.50% (LIBOR + 250 bps), 3/1/24 | $ 903,206 | ||||
Total Pharmacy Services | $903,206 | |||||
Physical Therapy & Rehabilitation Centers — 0.0%† | ||||||
1,000,000 | Summit Behavioral Healthcare, LLC, First Lien 2021 Term Loan, 5.50% (LIBOR + 475 bps), 11/24/28 | $ 982,500 | ||||
497,500 | Upstream Newco, Inc., First Lien August 2021 Incremental Term Loan, 4.354% (LIBOR + 425 bps), 11/20/26 | 498,821 | ||||
Total Physical Therapy & Rehabilitation Centers | $1,481,321 | |||||
Pipelines — 0.1% | ||||||
3,524,835 | Centurion Pipeline Company, LLC, Initial Term Loan, (LIBOR + 325 bps), 9/29/25 | $ 3,502,805 | ||||
995,000 | DT Midstream, Inc., Initial Term Loan, 2.50% (LIBOR + 200 bps), 6/26/28 | 998,198 | ||||
1,250,000 | Oryx Midstream Services Permian Basin LLC, Initial Term Loan, 3.75% (LIBOR + 325 bps), 10/5/28 | 1,243,526 | ||||
1,218,031 | Traverse Midstream Partners LLC, Advance, 5.25% (LIBOR + 425 bps), 9/27/24 | 1,214,986 | ||||
Total Pipelines | $6,959,515 | |||||
Printing-Commercial — 0.0%† | ||||||
746,250 | Cimpress plc, Tranche B-1 Term Loan, 4.00% (LIBOR + 350 bps), 5/17/28 | $ 747,494 | ||||
Total Printing-Commercial | $747,494 | |||||
Private Equity — 0.0%† | ||||||
700,000(b) | Victory Capital Holdings, Inc., 2021 Incremental Term Loan, 12/29/28 | $ 696,938 | ||||
753,861 | Victory Capital Holdings, Inc., Tranche B-2 Term Loan, 2.377% (LIBOR + 225 bps), 7/1/26 | 749,243 | ||||
Total Private Equity | $1,446,181 |
13Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Property & Casualty Insurance — 0.1% | ||||||
4,191,782 | Asurion, LLC, New B-7 Term Loan, 3.104% (LIBOR + 300 bps), 11/3/24 | $ 4,177,810 | ||||
1,185,370 | Asurion, LLC, New B-8 Term Loan, 3.355% (LIBOR + 325 bps), 12/23/26 | 1,178,579 | ||||
992,500 | Asurion, LLC, New B-9 Term Loan, 3.354% (LIBOR + 325 bps), 7/31/27 | 987,228 | ||||
Total Property & Casualty Insurance | $6,343,617 | |||||
Protection-Safety — 0.0%† | ||||||
498,750 | APX Group, Inc., Initial Term Loan, 4.00% (LIBOR + 350 bps), 7/10/28 | $ 498,542 | ||||
923,534 | Prime Security Services Borrower, LLC, First Lien 2021 Refinancing Term B-1 Loan, 3.50% (LIBOR + 275 bps), 9/23/26 | 923,691 | ||||
Total Protection-Safety | $1,422,233 | |||||
Racetracks — 0.0%† | ||||||
496,250 | Churchill Downs Incorporated, 2021 Incremental Term B Loan, 2.11% (LIBOR + 200 bps), 3/17/28 | $ 494,389 | ||||
Total Racetracks | $494,389 | |||||
Real Estate Management/Services — 0.0%† | ||||||
1,243,750 | RE/MAX, LLC (fka RE/MAX International, LLC), Term Loan, 3.00% (LIBOR + 250 bps), 7/21/28 | $ 1,239,863 | ||||
Total Real Estate Management/Services | $1,239,863 | |||||
Recreational Centers — 0.0%† | ||||||
1,220,288 | Fitness International, LLC, Term B Loan, 4.25% (LIBOR + 325 bps), 4/18/25 | $ 1,146,156 | ||||
Total Recreational Centers | $1,146,156 | |||||
Recycling — 0.0%† | ||||||
845,750 | Harsco Corporation, Term B-3 Loan, 2.75% (LIBOR + 225 bps), 3/10/28 | $ 844,164 | ||||
Total Recycling | $844,164 | |||||
Rental Auto & Equipment — 0.1% | ||||||
1,965,726 | Avis Budget Car Rental, LLC, New Tranche B Term Loan, 1.86% (LIBOR + 175 bps), 8/6/27 | $ 1,943,611 | ||||
992,582 | Fly Funding II S.a r.l., Replacement Loan, 1.90% (LIBOR + 175 bps), 8/11/25 | 973,144 | ||||
Total Rental Auto & Equipment | $2,916,755 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2114
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Resorts/Theme Parks — 0.0%† | ||||||
997,500 | Seaworld Parks & Entertainment, Inc., Term B Loan, 3.50% (LIBOR + 300 bps), 8/25/28 | $ 994,757 | ||||
Total Resorts/Theme Parks | $994,757 | |||||
Retail — 0.2% | ||||||
990,000 | 84 Lumber Company, Term B-1 Loan, 3.75% (LIBOR + 300 bps), 11/13/26 | $ 992,475 | ||||
3,145,713 | Beacon Roofing Supply, Inc., 2028 Term Loan, 2.354% (LIBOR + 225 bps), 5/19/28 | 3,131,950 | ||||
1,339,875 | CWGS Group, LLC, Initial Term Loan, 3.25% (LIBOR + 250 bps), 6/3/28 | 1,332,338 | ||||
841,516 | Great Outdoors Group, LLC, Term B-2 Loan, 4.50% (LIBOR + 375 bps), 3/6/28 | 843,488 | ||||
1,157,917 | Highline Aftermarket Acquisition, LLC, First Lien 2021 Term Loan, 5.25% (LIBOR + 450 bps), 11/9/27 | 1,149,232 | ||||
992,500 | Petco Health and Wellness Company, Inc., First Lien 2021 Term Loan, 4.00% (LIBOR + 325 bps), 3/3/28 | 992,810 | ||||
748,125 | PetSmart LLC, Initial Term Loan, 4.50% (LIBOR + 375 bps), 2/11/28 | 750,619 | ||||
1,097,250 | Pilot Travel Centers LLC, Initial Tranche B Term Loan, 2.104% (LIBOR + 200 bps), 8/4/28 | 1,092,069 | ||||
746,657 | RVR Dealership Holdings, LLC, Term Loan, 4.75% (LIBOR + 400 bps), 2/8/28 | 746,191 | ||||
750,000 | Whatabrands LLC, Initial Term B Loan, 3.75% (LIBOR + 325 bps), 8/3/28 | 748,438 | ||||
Total Retail | $11,779,610 | |||||
Retail-Restaurants — 0.1% | ||||||
1,187,978 | 1011778 B.C. Unlimited Liability Co., Term B-4 Loan, 1.854% (LIBOR + 175 bps), 11/19/26 | $ 1,176,098 | ||||
1,838,813 | KFC Holding Co. (aka Yum! Brands), 2021 Term B Loan, 1.854% (LIBOR + 175 bps), 3/15/28 | 1,838,431 | ||||
Total Retail-Restaurants | $3,014,529 | |||||
Security Services — 0.1% | ||||||
1,995,000 | Allied Universal Holdco LLC (f/k/a USAGM Holdco, LLC), Initial U.S. Dollar Term Loan, 4.25% (LIBOR + 375 bps), 5/12/28 | $ 1,989,598 | ||||
1,500,000 | Garda World Security Corporation, Term B-2 Loan, 4.36% (LIBOR + 425 bps), 10/30/26 | 1,500,000 | ||||
Total Security Services | $3,489,598 |
15Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Semiconductor Equipment — 0.1% | ||||||
2,000,000(b) | MKS Instruments, Inc., Term Loan, 10/20/28 | $ 1,998,124 | ||||
884,205 | Ultra Clean Holdings, Inc., Second Amendment Term B Loan, 3.854% (LIBOR + 375 bps), 8/27/25 | 886,415 | ||||
Total Semiconductor Equipment | $2,884,539 | |||||
Soap & Cleaning Preparation — 0.0%† | ||||||
1,000,000(b) | Knight Health Holdings LLC, Term Loan B, 12/15/28 | $ 945,000 | ||||
Total Soap & Cleaning Preparation | $945,000 | |||||
Steel Pipe & Tube — 0.0%† | ||||||
606,125 | Atkore International, Inc., Initial Term Loan, 2.50% (LIBOR + 200 bps), 5/26/28 | $ 606,504 | ||||
Total Steel Pipe & Tube | $606,504 | |||||
Telecom Equipment Fiber Optics — 0.1% | ||||||
2,456,004 | Ciena Corporation, 2020 Refinancing Term Loan, 1.854% (LIBOR + 175 bps), 9/26/25 | $ 2,461,530 | ||||
Total Telecom Equipment Fiber Optics | $2,461,530 | |||||
Telecom Services — 0.0%† | ||||||
1,039,344 | Windstream Services II, LLC, Initial Term Loan, 7.25% (LIBOR + 625 bps), 9/21/27 | $ 1,044,433 | ||||
Total Telecom Services | $1,044,433 | |||||
Telephone-Integrated — 0.2% | ||||||
4,990,235 | Level 3 Financing, Inc., Tranche B 2027 Term Loan, 1.854% (LIBOR + 175 bps), 3/1/27 | $ 4,930,975 | ||||
4,958,849 | Lumen Technologies Inc., Term B Loan, 2.354% (LIBOR + 225 bps), 3/15/27 | 4,905,775 | ||||
Total Telephone-Integrated | $9,836,750 | |||||
Television — 0.1% | ||||||
1,087,296 | Gray Television, Inc., Term B-2 Loan, 2.599% (LIBOR + 250 bps), 2/7/24 | $ 1,086,209 | ||||
4,000,001 | Gray Television, Inc., Term C Loan, 2.60% (LIBOR + 250 bps), 1/2/26 | 3,974,645 | ||||
Total Television | $5,060,854 | |||||
Textile-Home Furnishings — 0.0%† | ||||||
1,800,000 | Runner Buyer Inc., Initial Term Loan, 6.25% (LIBOR + 550 bps), 10/20/28 | $ 1,782,000 | ||||
Total Textile-Home Furnishings | $1,782,000 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2116
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Therapeutics — 0.1% | ||||||
1,141,375 | Horizon Therapeutics USA, Inc., Incremental Term B-2 Loan, 2.25% (LIBOR + 175 bps), 3/15/28 | $ 1,138,997 | ||||
2,358,343 | Horizon Therapeutics USA, Inc., Seventh Amendment Refinancing Term Loan, 2.125% (LIBOR + 200 bps), 5/22/26 | 2,351,712 | ||||
Total Therapeutics | $3,490,709 | |||||
Tools-Hand Held — 0.0%† | ||||||
750,000(b) | Madison Safety & Flow LLC, Term Loan, 12/14/28 | $ 750,938 | ||||
Total Tools-Hand Held | $750,938 | |||||
Transportation - Trucks — 0.1% | ||||||
1,496,250 | Carriage Purchaser, Inc., Term B Loan, 5.00% (LIBOR + 425 bps), 9/30/28 | $ 1,499,055 | ||||
992,500 | Daseke Companies, Inc., 2021 Initial Term Loan, 4.75% (LIBOR + 400 bps), 3/9/28 | 993,741 | ||||
Total Transportation - Trucks | $2,492,796 | |||||
Transportation Services — 0.0%† | ||||||
1,000,000 | Echo Global Logistics, Inc., First Lien 2021 Term Loan, 4.25% (LIBOR + 375 bps), 11/23/28 | $ 997,188 | ||||
Total Transportation Services | $997,188 | |||||
Transport-Equipment & Leasing — 0.0%† | ||||||
962,500 | IBC Capital I Limited, First Lien Tranche B-1 Term Loan, 3.966% (LIBOR + 375 bps), 9/11/23 | $ 956,244 | ||||
Total Transport-Equipment & Leasing | $956,244 | |||||
Veterinary Diagnostics — 0.1% | ||||||
2,890,197 | Elanco Animal Health Incorporated, Term Loan, 1.849% (LIBOR + 175 bps), 8/1/27 | $ 2,856,477 | ||||
Total Veterinary Diagnostics | $2,856,477 | |||||
Web Hosting/Design — 0.1% | ||||||
497,500 | Endurance International Group Holdings, Inc., Initial Term Loan, 4.25% (LIBOR + 350 bps), 2/10/28 | $ 494,002 |
17Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Web Hosting/Design — (continued) | ||||||
3,379,741 | Go Daddy Operating Company, LLC (GD Finance Co, Inc.), Tranche B-2 Term Loan, 1.854% (LIBOR + 175 bps), 2/15/24 | $ 3,367,067 | ||||
1,231,250 | Go Daddy Operating Company, LLC (GD Finance Co, Inc.), Tranche B-4 Term Loan, 2.105% (LIBOR + 200 bps), 8/10/27 | 1,222,870 | ||||
Total Web Hosting/Design | $5,083,939 | |||||
Total Senior Secured Floating Rate Loan Interests (Cost $283,178,400) | $282,811,787 | |||||
Asset Backed Securities — 25.8% of Net Assets | ||||||
132,330(a) | 321 Henderson Receivables I LLC, Series 2004-A, Class A1, 0.46% (1 Month USD LIBOR + 35 bps), 9/15/45 (144A) | $ 131,066 | ||||
157,388(a) | 321 Henderson Receivables I LLC, Series 2006-1A, Class A1, 0.31% (1 Month USD LIBOR + 20 bps), 3/15/41 (144A) | 156,762 | ||||
575,358(a) | 321 Henderson Receivables I LLC, Series 2006-2A, Class A1, 0.31% (1 Month USD LIBOR + 20 bps), 6/15/41 (144A) | 564,438 | ||||
773,977(a) | 321 Henderson Receivables I LLC, Series 2006-3A, Class A1, 0.31% (1 Month USD LIBOR + 20 bps), 9/15/41 (144A) | 759,523 | ||||
384,455(a) | 321 Henderson Receivables I LLC, Series 2006-4A, Class A1, 0.31% (1 Month USD LIBOR + 20 bps), 12/15/41 (144A) | 383,894 | ||||
1,442,516(a) | 321 Henderson Receivables LLC, Series 2005-1A, Class A1, 0.34% (1 Month USD LIBOR + 23 bps), 11/15/40 (144A) | 1,423,315 | ||||
3,550,000(a) | 522 Funding CLO, Ltd., Series 2020-6A, Class X, 1.227% (3 Month USD LIBOR + 110 bps), 10/23/34 (144A) | 3,549,109 | ||||
3,000,000(a) | ABPCI Direct Lending Fund CLO V Ltd., Series 2019-5A, Class CR, 4.332% (3 Month USD LIBOR + 420 bps), 4/20/31 (144A) | 2,995,446 | ||||
5,000,000(a) | ABPCI Direct Lending Fund CLO X LP, Series 2020-10A, Class A1A, 2.082% (3 Month USD LIBOR + 195 bps), 1/20/32 (144A) | 4,998,730 | ||||
8,422,507 | ACC Auto Trust, Series 2021-A, Class A, 1.08%, 4/15/27 (144A) | 8,400,884 | ||||
12,900,000(a) | ACRES Commercial Realty, Ltd., Series 2021-FL2, Class A, 1.49% (1 Month USD LIBOR + 140 bps), 1/15/37 (144A) | 12,900,004 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2118
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Asset Backed Securities — (continued) | ||||||
2,325,000(a) | AIG CLO, Ltd., Series 2021-2A, Class E, 6.59% (3 Month USD LIBOR + 650 bps), 7/20/34 (144A) | $ 2,303,777 | ||||
3,325,000(a) | Allegro CLO XIII, Ltd., Series 2021-1A, Class X, 1.132% (3 Month USD LIBOR + 100 bps), 7/20/34 (144A) | 3,324,165 | ||||
3,075,000(a) | Allegro CLO XIV, Ltd., Series 2021-2A, Class X, 1.077% (3 Month USD LIBOR + 100 bps), 10/15/34 (144A) | 3,074,228 | ||||
3,820,000 | AM Capital Funding LLC, Series 2018-1, Class A, 4.98%, 12/15/23 (144A) | 3,925,839 | ||||
39,894(a) | Amortizing Residential Collateral Trust, Series 2002-BC5, Class M1, 1.137% (1 Month USD LIBOR + 103 bps), 7/25/32 | 39,858 | ||||
1,750,000 | Amur Equipment Finance Receivables IX LLC, Series 2021-1A, Class D, 2.30%, 11/22/27 (144A) | 1,734,857 | ||||
780,155 | Amur Equipment Finance Receivables VI LLC, Series 2018-2A, Class A2, 3.89%, 7/20/22 (144A) | 784,169 | ||||
4,000,000 | Amur Equipment Finance Receivables VII LLC, Series 2019-1A, Class B, 2.80%, 3/20/25 (144A) | 4,062,120 | ||||
2,300,000(a) | Antares CLO LTD, Series 2019-2A, Class D, 4.874% (3 Month USD LIBOR + 475 bps), 1/23/32 (144A) | 2,293,040 | ||||
742,855(a) | Apidos CLO XXXII, Series 2019-32A, Class X, 0.782% (3 Month USD LIBOR + 65 bps), 1/20/33 (144A) | 742,855 | ||||
5,075,553(a) | Apres Static CLO, Ltd., Series 2019-1A, Class A1R, 1.194% (3 Month USD LIBOR + 107 bps), 10/15/28 (144A) | 5,074,832 | ||||
6,442,691 | Aqua Finance Trust, Series 2019-A, Class A, 3.14%, 7/16/40 (144A) | 6,553,551 | ||||
8,623,484 | Aqua Finance Trust, Series 2020-AA, Class A, 1.90%, 7/17/46 (144A) | 8,629,906 | ||||
8,165,459 | Aqua Finance Trust, Series 2021-A, Class A, 1.54%, 7/17/46 (144A) | 8,092,700 | ||||
7,500,000(a) | Arbor Realty Collateralized Loan Obligation, Ltd., Series 2020-FL1, Class D, 2.614% (SOFR30A + 256 bps), 2/15/35 (144A) | 7,485,941 | ||||
7,500,000(a) | Arbor Realty Commercial Real Estate Notes, Series 2021-FL4, Class D, 2.99% (1 Month USD LIBOR + 290 bps), 11/15/36 (144A) | 7,490,857 | ||||
2,500,000(a) | Arbor Realty Commercial Real Estate Notes, Series 2021-FL4, Class E, 3.49% (1 Month USD LIBOR + 340 bps), 11/15/36 (144A) | 2,493,872 | ||||
4,000,000(a) | Ares LVII CLO, Ltd., Series 2020-57A, Class XR, 1.112% (3 Month USD LIBOR + 100 bps), 1/25/35 (144A) | 3,999,800 |
19Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Asset Backed Securities — (continued) | ||||||
145,009(a) | Argent Securities, Inc. Asset-Backed Pass-Through Certificates Series, Series 2004-W11, Class M2, 1.152% (1 Month USD LIBOR + 105 bps), 11/25/34 | $ 145,866 | ||||
2,771(a) | Argent Securities, Inc. Asset-Backed Pass-Through Certificates Series, Series 2005-W3, Class A2D, 0.782% (1 Month USD LIBOR + 68 bps), 11/25/35 | 2,770 | ||||
1,689,967 | Arivo Acceptance Auto Loan Receivables Trust, Series 2019-1, Class A, 2.99%, 7/15/24 (144A) | 1,700,898 | ||||
7,251,520 | Arm Master Trust, Series 2021-T2, Class A, 1.42%, 1/15/24 (144A) | 7,253,949 | ||||
3,505,480 | Arm Master Trust, Series 2021-T2, Class B, 2.17%, 1/15/24 (144A) | 3,504,878 | ||||
250,000(a) | ASSURANT CLO LTD, Series 2018-2A, Class D, 2.982% (3 Month USD LIBOR + 285 bps), 4/20/31 (144A) | 248,256 | ||||
3,200,000 | Atalaya Equipment Leasing Trust, Series 2021-1A, Class A2, 1.23%, 5/15/26 (144A) | 3,192,961 | ||||
7,594,344(a) | Atlas Senior Loan Fund III, Ltd., Series 2013-1A, Class AR, 0.988% (3 Month USD LIBOR + 83 bps), 11/17/27 (144A) | 7,589,135 | ||||
198,904(a) | Atlas Senior Loan Fund XII, Ltd., Series 2018-12A, Class X, 0.874% (3 Month USD LIBOR + 75 bps), 10/24/31 (144A) | 198,904 | ||||
2,191,987 | Avid Automobile Receivables Trust, Series 2021-1, Class A, 0.61%, 1/15/25 (144A) | 2,189,082 | ||||
1,600,000 | Avid Automobile Receivables Trust, Series 2021-1, Class F, 5.16%, 10/16/28 (144A) | 1,584,549 | ||||
6,250,000(a) | Barings Middle Market CLO, Ltd., Series 2018-IA, Class A1, 1.654% (3 Month USD LIBOR + 153 bps), 1/15/31 (144A) | 6,217,737 | ||||
187,500(a) | Battery Park CLO, Ltd., Series 2019-1A, Class X, 0.774% (3 Month USD LIBOR + 65 bps), 7/15/32 (144A) | 187,500 | ||||
3,500,000(a) | BDS, Ltd., Series 2020-FL5, Class C, 2.214% (SOFR30A + 216 bps), 2/16/37 (144A) | 3,501,130 | ||||
343,750(a) | Bean Creek CLO, Ltd., Series 2015-1A, Class XR, 0.732% (3 Month USD LIBOR + 60 bps), 4/20/31 (144A) | 343,733 | ||||
259,420(a) | Bear Stearns Asset Backed Securities Trust, Series 2001-3, Class A1, 1.002% (1 Month USD LIBOR + 90 bps), 10/27/32 | 258,088 | ||||
2,722,143 | BHG Securitization Trust, Series 2021-B, Class A, 0.90%, 10/17/34 (144A) | 2,706,142 | ||||
2,500,000 | BHG Securitization Trust, Series 2021-B, Class C, 2.24%, 10/17/34 (144A) | 2,439,490 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2120
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Asset Backed Securities — (continued) | ||||||
3,760,986(a) | Black Diamond CLO, Ltd., Series 2017-1A, Class A1AR, 1.174% (3 Month USD LIBOR + 105 bps), 4/24/29 (144A) | $ 3,760,038 | ||||
3,895,833 | Blackbird Capital Aircraft, Series 2021-1A, Class A, 2.443%, 7/15/46 (144A) | 3,845,022 | ||||
5,167,785(a) | Blackrock DLF VIII-L CLO Trust, Series 2021-1A, Class A, 1.472% (3 Month USD LIBOR + 135 bps), 4/17/32 (144A) | 5,167,025 | ||||
5,000,000(a) | Brightwood Capital MM CLO, Ltd., Series 2020-1A, Class B1, 2.953% (3 Month USD LIBOR + 275 bps), 12/15/28 (144A) | 4,997,455 | ||||
2,000,000(a) | Brightwood Capital MM CLO, Ltd., Series 2020-1A, Class D, 5.603% (3 Month USD LIBOR + 540 bps), 12/15/28 (144A) | 1,996,932 | ||||
9,825,000(a) | BRSP, Ltd., Series 2021-FL1, Class A, 1.254% (1 Month USD LIBOR + 115 bps), 8/19/38 (144A) | 9,794,032 | ||||
4,050,000(a) | BRSP, Ltd., Series 2021-FL1, Class D, 2.804% (1 Month USD LIBOR + 270 bps), 8/19/38 (144A) | 4,047,853 | ||||
3,600,000(a) | BRSP, Ltd., Series 2021-FL1, Class E, 3.554% (1 Month USD LIBOR + 345 bps), 8/19/38 (144A) | 3,598,160 | ||||
2,000,000(a) | BSPRT Issuer, Ltd., Series 2021-FL7, Class D, 2.85% (1 Month USD LIBOR + 275 bps), 12/15/38 (144A) | 1,999,998 | ||||
526,076 | BXG Receivables Note Trust, Series 2020-A, Class B, 2.49%, 2/28/36 (144A) | 527,935 | ||||
1,000,000(a) | California Street CLO IX LP, Series 2012-9A, Class XR2, 0.822% (3 Month USD LIBOR + 70 bps), 7/16/32 (144A) | 1,000,000 | ||||
2,878,414 | CarNow Auto Receivables Trust, Series 2021-1A, Class A, 0.97%, 10/15/24 (144A) | 2,877,963 | ||||
1,750,000 | CarNow Auto Receivables Trust, Series 2021-1A, Class B, 1.38%, 2/17/26 (144A) | 1,748,262 | ||||
1,150,000 | CarNow Auto Receivables Trust, Series 2021-1A, Class C, 2.16%, 2/17/26 (144A) | 1,147,006 | ||||
15,386,852 | CarNow Auto Receivables Trust, Series 2021-2A, Class A, 0.73%, 9/15/23 (144A) | 15,384,878 | ||||
5,000,000 | Carvana Auto Receivables Trust, Series 2020-N1A, Class D, 3.43%, 1/15/26 (144A) | 5,121,864 | ||||
2,000,000 | Carvana Auto Receivables Trust, Series 2021-N3, Class N, 2.53%, 6/12/28 (144A) | 2,000,311 | ||||
1,000,000 | Carvana Auto Receivables Trust, Series 2021-P2, Class D, 2.02%, 5/10/28 | 983,616 | ||||
4,083,964 | Carvana Auto Receivables Trust, Series 2021-P2, Class N, 1.88%, 5/10/28 (144A) | 4,082,983 | ||||
4,500,000 | Carvana Auto Receivables Trust, Series 2021-P4, Class N, 2.15%, 9/11/28 (144A) | 4,500,251 |
21Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Asset Backed Securities — (continued) | ||||||
532(d) | Centex Home Equity Loan Trust, Series 2003-A, Class AF6, 3.654%, 3/25/33 | $ 533 | ||||
1,500,000(a) | Cerberus Loan Funding XXVIII LP, Series 2020-1A, Class A, 1.974% (3 Month USD LIBOR + 185 bps), 10/15/31 (144A) | 1,503,609 | ||||
7,500,000(d) | CFMT LLC, Series 2020-HB4, Class M4, 4.948%, 12/26/30 (144A) | 7,469,221 | ||||
1,500,000(a) | Churchill Middle Market CLO III, Ltd., Series 2021-1A, Class C, 2.734% (3 Month USD LIBOR + 260 bps), 10/24/33 (144A) | 1,498,442 | ||||
5,000,000(a) | Churchill Middle Market CLO III, Ltd., Series 2021-1A, Class E, 8.294% (3 Month USD LIBOR + 816 bps), 10/24/33 (144A) | 4,866,195 | ||||
16,708,985(a) | CIFC Funding, Ltd., Series 2015-3A, Class AR, 0.994% (3 Month USD LIBOR + 87 bps), 4/19/29 (144A) | 16,684,273 | ||||
6,000,000(a) | CIFC Funding, Ltd., Series 2021-7A, Class X, 1.028% (3 Month USD LIBOR + 90 bps), 1/23/35 (144A) | 5,998,482 | ||||
622,050 | CIG Auto Receivables Trust, Series 2020-1A, Class A, 0.68%, 10/12/23 (144A) | 622,231 | ||||
3,431,047 | CIG Auto Receivables Trust, Series 2021-1A, Class A, 0.69%, 4/14/25 (144A) | 3,425,319 | ||||
3,770,000 | CIG Auto Receivables Trust, Series 2021-1A, Class C, 1.79%, 4/12/27 (144A) | 3,748,992 | ||||
1,204,765(a) | CIM Small Business Loan Trust, Series 2018-1A, Class A, 1.504% (1 Month USD LIBOR + 140 bps), 3/20/43 (144A) | 1,195,527 | ||||
10,000,000(a) | Citibank Credit Card Issuance Trust, Series 2017-A7, Class A7, 0.473% (1 Month USD LIBOR + 37 bps), 8/8/24 | 10,017,228 | ||||
515,000(a) | Citibank Credit Card Issuance Trust, Series 2018-A4, Class A4, 0.444% (1 Month USD LIBOR + 34 bps), 6/7/25 | 516,636 | ||||
8,673,080 | Commercial Equipment Finance LLC, Series 2021-A, Class A, 2.05%, 2/16/27 (144A) | 8,652,316 | ||||
652,558 | Commonbond Student Loan Trust, Series 2016-B, Class A1, 2.73%, 10/25/40 (144A) | 661,588 | ||||
141,612(a) | Commonbond Student Loan Trust, Series 2016-B, Class A2, 1.553% (1 Month USD LIBOR + 145 bps), 10/25/40 (144A) | 142,753 | ||||
1,254,078(a) | Commonbond Student Loan Trust, Series 2017-AGS, Class A2, 0.952% (1 Month USD LIBOR + 85 bps), 5/25/41 (144A) | 1,253,962 | ||||
2,076,989(a) | Commonbond Student Loan Trust, Series 2017-BGS, Class A2, 0.758% (1 Month USD LIBOR + 65 bps), 9/25/42 (144A) | 2,065,011 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2122
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Asset Backed Securities — (continued) | ||||||
90,650 | Commonbond Student Loan Trust, Series 2017-BGS, Class C, 4.44%, 9/25/42 (144A) | $ 93,490 | ||||
1,703,053(a) | Commonbond Student Loan Trust, Series 2018-AGS, Class A2, 0.603% (1 Month USD LIBOR + 50 bps), 2/25/44 (144A) | 1,694,281 | ||||
3,419,027(a) | Commonbond Student Loan Trust, Series 2018-BGS, Class A2, 0.672% (1 Month USD LIBOR + 57 bps), 9/25/45 (144A) | 3,401,720 | ||||
2,171,679(a) | Commonbond Student Loan Trust, Series 2018-CGS, Class A2, 0.903% (1 Month USD LIBOR + 80 bps), 2/25/46 (144A) | 2,167,417 | ||||
4,287,448(a) | Commonbond Student Loan Trust, Series 2019-AGS, Class A2, 1.002% (1 Month USD LIBOR + 90 bps), 1/25/47 (144A) | 4,297,601 | ||||
580,876 | Conn's Receivables Funding LLC, Series 2020-A, Class A, 1.71%, 6/16/25 (144A) | 581,497 | ||||
1,469,601 | Conn's Receivables Funding LLC, Series 2020-A, Class C, 4.20%, 6/16/25 (144A) | 1,475,705 | ||||
9,832,514 | Conn's Receivables Funding LLC, Series 2021-A, Class A, 1.05%, 5/15/26 (144A) | 9,825,499 | ||||
10,600,000 | Conn's Receivables Funding LLC, Series 2021-A, Class B, 2.87%, 5/15/26 (144A) | 10,568,081 | ||||
2,848,088 | Consumer Loan Underlying Bond Club Certificate Issuer Trust, Series 2019-HP1, Class A, 2.59%, 12/15/26 (144A) | 2,857,907 | ||||
4,470,000 | Continental Credit Card ABS LLC, Series 2019-1A, Class B, 4.95%, 8/15/26 (144A) | 4,616,224 | ||||
5,000,000 | Credit Acceptance Auto Loan Trust, Series 2020-1A, Class C, 2.59%, 6/15/29 (144A) | 5,084,534 | ||||
4,520,517 | Credito Real USA Auto Receivables Trust, Series 2021-1A, Class A, 1.35%, 2/16/27 (144A) | 4,511,147 | ||||
7,870,000 | Credito Real USA Auto Receivables Trust, Series 2021-1A, Class B, 2.87%, 2/16/27 (144A) | 7,776,593 | ||||
1,350,000 | Crossroads Asset Trust, Series 2021-A, Class B, 1.12%, 6/20/25 (144A) | 1,341,072 | ||||
500,000 | Crossroads Asset Trust, Series 2021-A, Class D, 2.52%, 1/20/26 (144A) | 492,633 | ||||
578,160(a) | CWHEQ Revolving Home Equity Loan Resuritization Trust Series, Series 2006-RES, Class 4N1A, 0.39% (1 Month USD LIBOR + 28 bps), 2/15/34 (144A) | 575,494 | ||||
315,732 | Dell Equipment Finance Trust, Series 2020-1, Class A2, 2.26%, 6/22/22 (144A) | 316,241 | ||||
84 | Delta Funding Home Equity Loan Trust, Series 1997-2, Class A6, 7.04%, 6/25/27 | 76 |
23Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Asset Backed Securities — (continued) | ||||||
7,712,000 | Discover Card Execution Note Trust, Series 2019-A1, Class A1, 3.04%, 7/15/24 | $ 7,718,415 | ||||
8,000,000(a) | Donlen Fleet Lease Funding 2 LLC, Series 2021-2, Class A1, 0.431% (1 Month USD LIBOR + 33 bps), 12/11/34 (144A) | 8,004,304 | ||||
862,683(a) | DRB Prime Student Loan Trust, Series 2017-A, Class A1, 0.953% (1 Month USD LIBOR + 85 bps), 5/27/42 (144A) | 862,867 | ||||
937,500(a) | Dryden 80 CLO, Ltd., Series 2019-80A, Class X, 1.022% (3 Month USD LIBOR + 90 bps), 1/17/33 (144A) | 937,453 | ||||
4,900,000(a) | Ellington CLO III, Ltd., Series 2018-3A, Class B, 2.132% (3 Month USD LIBOR + 200 bps), 7/20/30 (144A) | 4,897,530 | ||||
1,500,000(a) | Ellington CLO III, Ltd., Series 2018-3A, Class C, 2.382% (3 Month USD LIBOR + 225 bps), 7/20/30 (144A) | 1,488,131 | ||||
5,412,816(a) | Ellington CLO IV, Ltd., Series 2019-4A, Class AR, 1.704% (3 Month USD LIBOR + 158 bps), 4/15/29 (144A) | 5,411,447 | ||||
7,000,000(a) | Ellington CLO IV, Ltd., Series 2019-4A, Class BR, 2.124% (3 Month USD LIBOR + 200 bps), 4/15/29 (144A) | 6,996,472 | ||||
3,362,500(a) | Ellington CLO IV, Ltd., Series 2019-4A, Class CR, 2.874% (3 Month USD LIBOR + 275 bps), 4/15/29 (144A) | 3,360,795 | ||||
1,375,000(a) | Elmwood CLO IV, Ltd., Series 2020-1A, Class X, 0.824% (3 Month USD LIBOR + 70 bps), 4/15/33 (144A) | 1,375,000 | ||||
1,763,374 | Encina Equipment Finance LLC, Series 2021-1A, Class A1, 0.50%, 9/15/25 (144A) | 1,763,606 | ||||
509,800 | FCI Funding LLC, Series 2019-1A, Class A, 3.63%, 2/18/31 (144A) | 511,807 | ||||
6,301,634 | FCI Funding LLC, Series 2021-1A, Class A, 1.13%, 4/15/33 (144A) | 6,267,794 | ||||
4,726,226 | FCI Funding LLC, Series 2021-1A, Class B, 1.53%, 4/15/33 (144A) | 4,703,944 | ||||
3,278,442 | FHF Trust, Series 2020-1A, Class A, 2.59%, 12/15/23 (144A) | 3,293,120 | ||||
7,518,882 | FHF Trust, Series 2021-1A, Class A, 1.27%, 3/15/27 (144A) | 7,470,530 | ||||
4,202,074 | FHF Trust, Series 2021-2A, Class A, 0.83%, 12/15/26 (144A) | 4,172,804 | ||||
2,500,000(d) | Finance of America HECM Buyout, Series 2021-HB1, Class M3, 3.64%, 2/25/31 (144A) | 2,477,545 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2124
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Asset Backed Securities — (continued) | ||||||
13,566(a) | First Franklin Mortgage Loan Trust, Series 2004-FF4, Class M1, 0.957% (1 Month USD LIBOR + 86 bps), 6/25/34 | $ 13,589 | ||||
5,000,000(a) | Fort Washington CLO, Series 2019-1A, Class AR, 1.262% (3 Month USD LIBOR + 113 bps), 10/20/32 (144A) | 4,998,745 | ||||
8,250,000(a) | Fortress Credit Opportunities IX CLO, Ltd., Series 2017-9A, Class A1TR, 1.672% (3 Month USD LIBOR + 155 bps), 10/15/33 (144A) | 8,247,789 | ||||
2,750,000(a) | Fortress Credit Opportunities VI CLO, Ltd., Series 2015-6A, Class A1TR, 1.481% (3 Month USD LIBOR + 136 bps), 7/10/30 (144A) | 2,752,137 | ||||
8,398,199 | Foundation Finance Trust, Series 2021-1A, Class A, 1.27%, 5/15/41 (144A) | 8,264,865 | ||||
4,500,000 | Foundation Finance Trust, Series 2021-2A, Class A, 2.19%, 1/15/42 (144A) | 4,483,458 | ||||
2,500,000 | Foursight Capital Automobile Receivables Trust, Series 2020-1, Class B, 2.27%, 2/18/25 (144A) | 2,522,053 | ||||
1,300,000 | Freed ABS Trust, Series 2021-1CP, Class C, 2.83%, 3/20/28 (144A) | 1,301,574 | ||||
3,866,846 | Freed ABS Trust, Series 2021-2, Class A, 0.68%, 6/19/28 (144A) | 3,863,515 | ||||
6,000,000 | Freed ABS Trust, Series 2021-2, Class C, 1.94%, 6/19/28 (144A) | 6,006,439 | ||||
2,597,767 | Freed ABS Trust, Series 2021-3FP, Class A, 0.62%, 11/20/28 (144A) | 2,595,445 | ||||
1,000,000 | Freed ABS Trust, Series 2021-3FP, Class D, 2.37%, 11/20/28 (144A) | 984,371 | ||||
12,000,000 | Genesis Sales Finance Master Trust, Series 2021-AA, Class A, 1.20%, 12/21/26 (144A) | 11,839,909 | ||||
1,000,000 | Genesis Sales Finance Master Trust, Series 2021-AA, Class D, 2.09%, 12/21/26 (144A) | 986,735 | ||||
2,109,505 | GLS Auto Receivables Issuer Trust, Series 2019-3A, Class B, 2.72%, 6/17/24 (144A) | 2,122,014 | ||||
72,732 | GLS Auto Receivables Trust, Series 2018-1A, Class B, 3.52%, 8/15/23 (144A) | 72,821 | ||||
1,200,622 | Gold Key Resorts LLC, Series 2014-A, Class B, 3.72%, 3/17/31 (144A) | 1,211,884 | ||||
500,000(a) | Goldentree Loan Management US CLO 1, Ltd., Series 2017-1A, Class ER2, 6.632% (3 Month USD LIBOR + 650 bps), 4/20/34 (144A) | 496,141 | ||||
3,000,000(a) | Golub Capital Partners CLO 24M-R, Ltd., Series 2015-24A, Class AR, 1.74% (3 Month USD LIBOR + 160 bps), 11/5/29 (144A) | 3,001,587 |
25Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Asset Backed Securities — (continued) | ||||||
1,821,000(a) | Golub Capital Partners CLO 25M, Ltd., Series 2015-25A, Class AR, 1.52% (3 Month USD LIBOR + 138 bps), 5/5/30 (144A) | $ 1,824,203 | ||||
10,000,000(a) | Golub Capital Partners CLO 34M, Ltd., Series 2017-34A, Class AR, 1.84% (3 Month USD LIBOR + 170 bps), 3/14/31 (144A) | 10,012,880 | ||||
5,000,000(a) | Golub Capital Partners CLO 46M, Ltd., Series 2019-46A, Class A1A, 1.934% (3 Month USD LIBOR + 180 bps), 4/20/32 (144A) | 4,999,065 | ||||
2,499,902(a) | Gracie Point International Funding, Series 2020-B, Class A, 1.502% (1 Month USD LIBOR + 140 bps), 5/2/23 (144A) | 2,512,028 | ||||
3,000,000(a) | Gracie Point International Funding, Series 2020-B, Class B, 2.502% (1 Month USD LIBOR + 240 bps), 5/2/23 (144A) | 3,015,209 | ||||
9,998,416(a) | Gracie Point International Funding, Series 2021-1A, Class A, 0.852% (1 Month USD LIBOR + 75 bps), 11/1/23 (144A) | 10,017,853 | ||||
1,889,000(a) | Gracie Point International Funding, Series 2021-1A, Class C, 2.502% (1 Month USD LIBOR + 240 bps), 11/1/23 (144A) | 1,888,125 | ||||
4,400,000(a) | Great Lakes CLO VI LLC, Series 2021-6A, Class AX, 1.418% (3 Month USD LIBOR + 120 bps), 1/15/34 (144A) | 4,398,878 | ||||
522,222(a) | Greywolf CLO III, Ltd., Series 2020-3RA, Class XR, 0.628% (3 Month USD LIBOR + 50 bps), 4/15/33 (144A) | 522,222 | ||||
416,667(a) | Harbor Park CLO 18-1, Ltd., Series 2018-1A, Class X, 1.032% (3 Month USD LIBOR + 90 bps), 1/20/31 (144A) | 416,667 | ||||
5,286,750 | HOA Funding LLC - HOA, Series 2021-1A, Class A2, 4.723%, 8/20/51 (144A) | 5,327,093 | ||||
2,050,000 | HOA Funding LLC - HOA, Series 2021-1A, Class B, 7.432%, 8/20/51 (144A) | 2,061,125 | ||||
8,012(a) | Home Equity Asset Trust, Series 2005-7, Class M1, 0.777% (1 Month USD LIBOR + 68 bps), 1/25/36 | 8,011 | ||||
4,000,000(a) | ICG US CLO, Ltd., Series 2017-1A, Class ERR, 7.496% (3 Month USD LIBOR + 736 bps), 7/28/34 (144A) | 3,931,148 | ||||
10,549,589(a) | Invitation Homes Trust, Series 2018-SFR1, Class A, 0.809% (1 Month USD LIBOR + 70 bps), 3/17/37 (144A) | 10,549,588 | ||||
3,999,426(a) | Invitation Homes Trust, Series 2018-SFR1, Class B, 1.059% (1 Month USD LIBOR + 95 bps), 3/17/37 (144A) | 3,996,150 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2126
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Asset Backed Securities — (continued) | ||||||
1,749,725(a) | Invitation Homes Trust, Series 2018-SFR2, Class C, 1.39% (1 Month USD LIBOR + 128 bps), 6/17/37 (144A) | $ 1,748,056 | ||||
5,000,000(a) | IVY Hill Middle Market Credit Fund XII, Ltd., Series 12A, Class A1TR, 1.732% (3 Month USD LIBOR + 160 bps), 7/20/33 (144A) | 4,998,735 | ||||
2,656,219 | JPMorgan Chase Bank N.A. - CACLN, Series 2020-1, Class B, 0.991%, 1/25/28 (144A) | 2,656,693 | ||||
6,634,650 | JPMorgan Chase Bank N.A. - CACLN, Series 2021-1, Class B, 0.875%, 9/25/28 (144A) | 6,611,914 | ||||
1,524,495 | JPMorgan Chase Bank N.A. - CACLN, Series 2021-1, Class C, 1.024%, 9/25/28 (144A) | 1,518,617 | ||||
4,000,000 | JPMorgan Chase Bank N.A. - CACLN, Series 2021-1, Class F, 4.28%, 9/25/28 (144A) | 3,985,686 | ||||
7,309,888 | JPMorgan Chase Bank N.A. - CACLN, Series 2021-2, Class B, 0.889%, 12/26/28 (144A) | 7,272,519 | ||||
1,375,979 | JPMorgan Chase Bank N.A. - CACLN, Series 2021-2, Class D, 1.138%, 12/26/28 (144A) | 1,370,331 | ||||
215,146(a) | KVK CLO, Ltd., Series 2018-1A, Class A, 1.09% (3 Month USD LIBOR + 93 bps), 5/20/29 (144A) | 215,009 | ||||
15,000,000(a) | KVK CLO, Ltd., Series 2018-1A, Class B, 1.81% (3 Month USD LIBOR + 165 bps), 5/20/29 (144A) | 14,954,805 | ||||
2,733,282(a) | Laurel Road Prime Student Loan Trust, Series 2017-C, Class A1, 0.652% (1 Month USD LIBOR + 55 bps), 11/25/42 (144A) | 2,726,813 | ||||
225,000(a) | LCM 28, Ltd., Series 28A, Class X, 1.032% (3 Month USD LIBOR + 90 bps), 10/20/30 (144A) | 224,989 | ||||
8,000,000(a) | LCM XVIII LP, Series 18A, Class A1R, 1.152% (3 Month USD LIBOR + 102 bps), 4/20/31 (144A) | 7,989,496 | ||||
265,506(a) | Lehman XS Trust Series, Series 2005-4, Class 1A3, 0.902% (1 Month USD LIBOR + 80 bps), 10/25/35 | 265,769 | ||||
3,893,380 | Lending Point Asset Securitization Trust, Series 2020-1, Class C, 4.143%, 2/10/26 (144A) | 3,903,941 | ||||
15,362,139 | Lendingpoint Asset Securitization Trust, Series 2021-A, Class A, 1.00%, 12/15/28 (144A) | 15,323,236 | ||||
7,466,222+ | LFS LLC, Series 2021-A, Class A, 2.46%, 4/15/33 (144A) | 7,431,956 | ||||
12,399,065 | LFS LLC, Series 2021-B, Class A, 2.40%, 12/15/33 (144A) | 12,359,388 | ||||
968,946 | LL ABS Trust, Series 2020-1A, Class A, 2.33%, 1/17/28 (144A) | 972,032 | ||||
2,824,564(a) | LoanCore Issuer, Ltd., Series 2019-CRE2, Class A, 1.24% (1 Month USD LIBOR + 113 bps), 5/15/36 (144A) | 2,821,464 |
27Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Asset Backed Securities — (continued) | ||||||
1,672,675 | Lunar Structured Aircraft Portfolio Notes, Series 2021-1, Class A, 2.636%, 10/15/46 (144A) | $ 1,663,618 | ||||
3,722,130(a) | M360 LLC, Series 2019-CRE2, Class A, 1.564% (SOFR30A + 151 bps), 9/15/34 (144A) | 3,706,289 | ||||
1,100,000(a) | Madison Park Funding XLV, Ltd., Series 2020-45A, Class ER, 6.474% (3 Month USD LIBOR + 635 bps), 7/15/34 (144A) | 1,089,953 | ||||
245,140(a) | Magnetite VII, Ltd., Series 2012-7A, Class A1R2, 0.924% (3 Month USD LIBOR + 80 bps), 1/15/28 (144A) | 245,450 | ||||
2,402,097 | Marlette Funding Trust, Series 2021-2A, Class A, 0.51%, 9/15/31 (144A) | 2,396,854 | ||||
2,500,000(a) | MCF CLO VII LLC, Series 2017-3A, Class ER, 9.282% (3 Month USD LIBOR + 915 bps), 7/20/33 (144A) | 2,440,998 | ||||
5,250,000 | Mercury Financial Credit Card Master Trust, Series 2021-1A, Class A, 1.54%, 3/20/26 (144A) | 5,245,227 | ||||
7,000,000 | Mercury Financial Credit Card Master Trust, Series 2021-1A, Class B, 2.33%, 3/20/26 (144A) | 6,941,000 | ||||
133,575(a) | Merrill Lynch Mortgage Investors Trust Series, Series 2004-OPT1, Class A1B, 0.962% (1 Month USD LIBOR + 86 bps), 6/25/35 | 133,159 | ||||
9,000,000(a) | MF1, Ltd., Series 2020-FL4, Class A, 1.864% (SOFR30A + 181 bps), 11/15/35 (144A) | 9,031,622 | ||||
9,000,000(a) | MF1, Ltd., Series 2021-FL6, Class E, 3.058% (1 Month USD LIBOR + 295 bps), 7/16/36 (144A) | 8,961,180 | ||||
2,550,000(a) | MF1, Ltd., Series 2021-FL7, Class D, 2.653% (1 Month USD LIBOR + 255 bps), 10/16/36 (144A) | 2,524,740 | ||||
3,300,000(a) | MF1, Ltd., Series 2021-FL7, Class E, 2.903% (1 Month USD LIBOR + 280 bps), 10/16/36 (144A) | 3,250,939 | ||||
3,500,000 | Mission Lane Credit Card Master Trust, Series 2021-A, Class A, 1.59%, 9/15/26 (144A) | 3,475,294 | ||||
4,000,000 | Mission Lane Credit Card Master Trust, Series 2021-A, Class B, 2.24%, 9/15/26 (144A) | 3,979,364 | ||||
9,000,000(a) | MJX Venture Management II LLC, Series 2014-18RR, Class A, 1.344% (3 Month USD LIBOR + 122 bps), 10/16/29 (144A) | 9,015,219 | ||||
61,329 | MMAF Equipment Finance LLC, Series 2019-B, Class A2, 2.07%, 10/12/22 (144A) | 61,362 | ||||
1,100,000(a) | Monroe Capital MML CLO VII, Ltd., Series 2018-2A, Class D, 4.21% (3 Month USD LIBOR + 405 bps), 11/22/30 (144A) | 1,093,263 | ||||
293,210(a) | Morgan Stanley Home Equity Loan Trust, Series 2006-2, Class A4, 0.662% (1 Month USD LIBOR + 56 bps), 2/25/36 | 291,999 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2128
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Asset Backed Securities — (continued) | ||||||
3,533,324 | MVW LLC, Series 2021-1WA, Class A, 1.14%, 1/22/41 (144A) | $ 3,465,807 | ||||
1,596,481 | MVW Owner Trust, Series 2019-1A, Class A, 2.89%, 11/20/36 (144A) | 1,618,661 | ||||
1,840,799(a) | National Collegiate Trust, Series 2007-A, Class A, 0.40% (1 Month USD LIBOR + 30 bps), 5/25/31 (144A) | 1,811,503 | ||||
4,571,776(a) | Navient Student Loan Trust, Series 2021-1A, Class A1B, 0.702% (1 Month USD LIBOR + 60 bps), 12/26/69 (144A) | 4,574,386 | ||||
4,000,000(a) | Navistar Financial Dealer Note Master Trust, Series 2020-1, Class A, 1.052% (1 Month USD LIBOR + 95 bps), 7/25/25 (144A) | 4,014,155 | ||||
1,000,000(a) | Navistar Financial Dealer Note Master Trust, Series 2020-1, Class C, 2.252% (1 Month USD LIBOR + 215 bps), 7/25/25 (144A) | 1,007,175 | ||||
751,048 | Nelnet Private Education Loan Trust, Series 2016-A, Class A1B, 3.60%, 12/26/40 (144A) | 759,033 | ||||
6,641,824(a) | Nelnet Student Loan Trust, Series 2005-2, Class A5, 0.314% (3 Month USD LIBOR + 10 bps), 3/23/37 | 6,535,668 | ||||
11,575,938 | Nelnet Student Loan Trust, Series 2021-A, Class APT1, 1.36%, 4/20/62 (144A) | 11,374,383 | ||||
1,364,383 | Nelnet Student Loan Trust, Series 2021-A, Class APT2, 1.36%, 4/20/62 (144A) | 1,338,559 | ||||
6,947,062(a) | Nelnet Student Loan Trust, Series 2021-DA, Class AFL, 0.794% (1 Month USD LIBOR + 69 bps), 4/20/62 (144A) | 6,940,499 | ||||
4,500,000(a) | Neuberger Berman CLO XXI, Ltd., Series 2016-21A, Class XR2, 1.032% (3 Month USD LIBOR + 90 bps), 4/20/34 (144A) | 4,498,870 | ||||
1,375,000(a) | Neuberger Berman CLO XXII, Ltd., Series 2016-22A, Class XR, 1.022% (3 Month USD LIBOR + 90 bps), 10/17/30 (144A) | 1,375,000 | ||||
2,366,263(a) | Newtek Small Business Loan Trust, Series 2017-1, Class A, 2.108% (1 Month USD LIBOR + 200 bps), 2/25/43 (144A) | 2,369,889 | ||||
3,331,489(a) | Newtek Small Business Loan Trust, Series 2018-1, Class A, 2.70% (PRIME - 55 bps), 2/25/44 (144A) | 3,340,413 | ||||
2,562,684(a) | Newtek Small Business Loan Trust, Series 2018-1, Class B, 4.00% (PRIME + 75 bps), 2/25/44 (144A) | 2,574,812 | ||||
7,712,736(a) | Newtek Small Business Loan Trust, Series 2019-1, Class A, 2.35% (PRIME - 90 bps), 12/25/44 (144A) | 7,685,133 | ||||
1,645,384(a) | Newtek Small Business Loan Trust, Series 2019-1, Class B, 3.50% (PRIME + 25 bps), 12/25/44 (144A) | 1,643,417 |
29Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Asset Backed Securities — (continued) | ||||||
5,055,965(a) | Newtek Small Business Loan Trust, Series 2021-1, Class A, 1.854% (1 Month USD LIBOR + 175 bps), 12/25/48 (144A) | $ 5,055,965 | ||||
522,335 | NMEF Funding LLC, Series 2019-A, Class A, 2.73%, 8/17/26 (144A) | 522,767 | ||||
1,800,000 | NMEF Funding LLC, Series 2019-A, Class C, 3.30%, 8/17/26 (144A) | 1,819,619 | ||||
103,375(a) | NovaStar Mortgage Funding Trust Series, Series 2003-1, Class A2, 0.882% (1 Month USD LIBOR + 78 bps), 5/25/33 | 100,038 | ||||
4,169,238 | Oasis LLC, Series 2020-1A, Class A, 3.82%, 1/15/32 (144A) | 4,170,879 | ||||
2,741,530 | Oasis LLC, Series 2020-2A, Class A, 4.262%, 5/15/32 (144A) | 2,752,418 | ||||
5,148,604 | Oasis Securitization Funding LLC, Series 2021-1A, Class A, 2.579%, 2/15/33 (144A) | 5,149,637 | ||||
12,571,199 | Oasis Securitization Funding LLC, Series 2021-2A, Class A, 2.143%, 10/15/33 (144A) | 12,547,629 | ||||
6,400,000 | Oasis Securitization Funding LLC, Series 2021-2A, Class B, 5.147%, 10/15/33 (144A) | 6,387,830 | ||||
750,000(a) | Octagon Investment Partners XXI, Ltd., Series 2014-1A, Class XR3, 0.806% (3 Month USD LIBOR + 65 bps), 2/14/31 (144A) | 749,812 | ||||
812,500(a) | Octagon Investment Partners XXII, Ltd., Series 2014-1A, Class XRR, 0.778% (3 Month USD LIBOR + 65 bps), 1/22/30 (144A) | 812,500 | ||||
3,938,435 | Octane Receivables Trust, Series 2020-1A, Class A, 1.71%, 2/20/25 (144A) | 3,950,382 | ||||
7,606,437 | Octane Receivables Trust, Series 2021-1A, Class A, 0.93%, 3/22/27 (144A) | 7,568,617 | ||||
2,750,000 | Octane Receivables Trust, Series 2021-1A, Class C, 2.23%, 11/20/28 (144A) | 2,723,816 | ||||
1,750,000(a) | OHA Credit Funding 5, Ltd., Series 2020-5A, Class X, 0.672% (3 Month USD LIBOR + 55 bps), 4/18/33 (144A) | 1,750,000 | ||||
387,176 | OneMain Financial Issuance Trust, Series 2019-1A, Class A, 3.48%, 2/14/31 (144A) | 387,331 | ||||
170,000 | OneMain Financial Issuance Trust, Series 2019-1A, Class B, 3.79%, 2/14/31 (144A) | 170,140 | ||||
7,605,000(a) | OneMain Financial Issuance Trust, Series 2021-1A, Class A2, 0.81% (SOFR30A + 76 bps), 6/16/36 (144A) | 7,608,787 | ||||
6,000,000 | Oportun Funding XIV LLC, Series 2021-A, Class B, 1.76%, 3/8/28 (144A) | 5,986,058 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2130
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Asset Backed Securities — (continued) | ||||||
3,000,000 | Oportun Funding XIV LLC, Series 2021-A, Class D, 5.40%, 3/8/28 (144A) | $ 3,019,168 | ||||
10,000,000 | Oportun Issuance Trust, Series 2021-C, Class A, 2.18%, 10/8/31 (144A) | 9,938,414 | ||||
2,700,000 | Oscar US Funding X LLC, Series 2019-1A, Class A4, 3.27%, 5/10/26 (144A) | 2,770,270 | ||||
4,000,000(a) | OSD CLO, Ltd., Series 2021-23A, Class D, 2.96% (3 Month USD LIBOR + 295 bps), 4/17/31 (144A) | 4,000,000 | ||||
5,000,000(a) | Owl Rock CLO I, Ltd., Series 2019-1A, Class B, 2.86% (3 Month USD LIBOR + 270 bps), 5/20/31 (144A) | 4,996,635 | ||||
11,000,000(a) | Owl Rock CLO II, Ltd., Series 2019-2A, Class ALR, 1.682% (3 Month USD LIBOR + 155 bps), 4/20/33 (144A) | 10,964,580 | ||||
2,000,000(a) | Owl Rock CLO IV, Ltd., Series 2020-4A, Class A1R, 1.742% (3 Month USD LIBOR + 160 bps), 8/20/33 (144A) | 2,002,206 | ||||
2,625,000(a) | OZLM XXIII, Ltd., Series 2019-23A, Class X, 1.024% (3 Month USD LIBOR + 90 bps), 4/15/34 (144A) | 2,624,341 | ||||
728,746 | Pagaya AI Debt Selection Trust, Series 2020-3, Class A, 2.10%, 5/17/27 (144A) | 731,465 | ||||
5,796,569 | Pagaya AI Debt Selection Trust, Series 2021-1, Class A, 1.18%, 11/15/27 (144A) | 5,782,907 | ||||
4,000,000(a) | Palmer Square Loan Funding, Ltd., Series 2020-4A, Class C, 3.78% (3 Month USD LIBOR + 360 bps), 11/25/28 (144A) | 3,999,356 | ||||
1,250,000(a) | Palmer Square Loan Funding, Ltd., Series 2021-2A, Class D, 5.16% (3 Month USD LIBOR + 500 bps), 5/20/29 (144A) | 1,240,796 | ||||
4,400,000(a) | Parallel, Ltd., Series 2021-1A, Class D, 3.574% (3 Month USD LIBOR + 345 bps), 7/15/34 (144A) | 4,368,087 | ||||
2,791,068 | Pawnee Equipment Receivables Series LLC, Series 2019-1, Class A2, 2.29%, 10/15/24 (144A) | 2,807,872 | ||||
1,668,889 | Pawnee Equipment Receivables Series LLC, Series 2020-1, Class A, 1.37%, 11/17/25 (144A) | 1,673,752 | ||||
3,250,000 | Pawneee Equipment Receivables Series LLC, Series 2021-1, Class D, 2.75%, 7/15/27 (144A) | 3,221,009 | ||||
5,339,795 | PEAR LLC, Series 2020-1, Class A, 3.75%, 12/15/32 (144A) | 5,325,770 | ||||
13,850,000 | PEAR LLC, Series 2021-1, Class A, 2.60%, 1/15/34 (144A) | 13,821,035 | ||||
2,500,000 | PFS Financing Corp., Series 2021-A, Class A, 0.71%, 4/15/26 (144A) | 2,464,778 | ||||
16,117,000(a) | PNMAC GMSR Issuer Trust, Series 2018-GT2, Class A, 2.752% (1 Month USD LIBOR + 265 bps), 8/25/25 (144A) | 16,134,313 |
31Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Asset Backed Securities — (continued) | ||||||
9,834,353(a) | Prodigy Finance CM2021-1 DAC, Series 2021-1A, Class A, 1.352% (1 Month USD LIBOR + 125 bps), 7/25/51 (144A) | $ 9,832,012 | ||||
3,500,000 | Purchasing Power Funding LLC, Series 2021-A, Class A, 1.57%, 10/15/25 (144A) | 3,482,934 | ||||
4,860,000 | Purchasing Power Funding LLC, Series 2021-A, Class C, 2.53%, 10/15/25 (144A) | 4,833,741 | ||||
2,310,000 | Purchasing Power Funding LLC, Series 2021-A, Class D, 4.37%, 10/15/25 (144A) | 2,311,627 | ||||
3,473,543(a) | RAAC Series Trust, Series 2006-RP1, Class M2, 1.302% (1 Month USD LIBOR + 120 bps), 10/25/45 (144A) | 3,499,002 | ||||
94,234(a) | RAMP Series Trust, Series 2005-EFC6, Class M2, 0.747% (1 Month USD LIBOR + 43 bps), 11/25/35 | 94,206 | ||||
164,877(a) | RASC Series Trust, Series 2005-KS1, Class M1, 0.777% (1 Month USD LIBOR + 45 bps), 2/25/35 | 164,902 | ||||
7,261,799(a) | ReadyCap Lending Small Business Loan Trust, Series 2019-2, Class A, 2.75% (PRIME - 50 bps), 12/27/44 (144A) | 7,118,479 | ||||
4,500,000(a) | Regatta VI Funding, Ltd., Series 2016-1A, Class XR, 0.932% (3 Month USD LIBOR + 80 bps), 4/20/34 (144A) | 4,498,870 | ||||
4,500,000(a) | Regatta VII Funding, Ltd., Series 2016-1A, Class X, 1.064% (3 Month USD LIBOR + 85 bps), 6/20/34 (144A) | 4,498,870 | ||||
5,000,000(a) | Regatta XXIII Funding, Ltd., Series 2021-4A, Class X, 1.06% (3 Month USD LIBOR + 95 bps), 1/20/35 (144A) | 5,000,000 | ||||
7,500,000 | Regional Management Issuance Trust, Series 2021-2, Class A, 1.90%, 8/15/33 (144A) | 7,346,406 | ||||
9,660,000 | Republic Finance Issuance Trust, Series 2021-A, Class A, 2.30%, 12/22/31 (144A) | 9,652,516 | ||||
7,500,000(a)+ | Rosy Blue Carat S.A., Series 2018-1, Class A2, 3.376% (1 Month USD LIBOR + 325 bps), 12/15/25 (144A) | 7,200,000 | ||||
14,208(a) | Salomon Mortgage Loan Trust Series, Series 2001-CB4, Class 1A1, 0.992% (1 Month USD LIBOR + 90 bps), 11/25/33 | 14,204 | ||||
4,250,000 | Santander Bank NA - SBCLN, Series 2021-1A, Class B, 1.833%, 12/15/31 (144A) | 4,245,015 | ||||
3,960,819 | Santander Consumer Auto Receivables Trust, Series 2021-BA, Class B, 1.45%, 10/16/28 (144A) | 3,971,733 | ||||
1,863,902 | Santander Consumer Auto Receivables Trust, Series 2021-CA, Class B, 1.44%, 4/17/28 (144A) | 1,866,324 | ||||
1,757,000 | Santander Consumer Auto Receivables Trust, Series 2021-CA, Class C, 2.97%, 6/15/28 (144A) | 1,780,265 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2132
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Asset Backed Securities — (continued) | ||||||
1,576,927 | SCF Equipment Leasing LLC, Series 2019-2A, Class A1, 2.22%, 6/20/24 (144A) | $ 1,579,764 | ||||
1,500,000 | SCF Equipment Leasing LLC, Series 2021-1A, Class A3, 0.83%, 8/21/28 (144A) | 1,494,769 | ||||
2,499(a) | Securitized Asset Backed Receivables LLC Trust, Series 2005-OP2, Class M1, 0.747% (1 Month USD LIBOR + 65 bps), 10/25/35 | 2,499 | ||||
100,985(a) | Security National Mortgage Loan Trust, Series 2007-1A, Class 2A, 0.452% (1 Month USD LIBOR + 35 bps), 4/25/37 (144A) | 100,956 | ||||
960,262 | Sierra Timeshare Receivables Funding LLC, Series 2021-1A, Class A, 0.99%, 11/20/37 (144A) | 952,138 | ||||
1,056,288 | Sierra Timeshare Receivables Funding LLC, Series 2021-1A, Class D, 3.17%, 11/20/37 (144A) | 1,052,542 | ||||
1,600,000(a) | Silver Rock CLO II, Ltd., Series 2021-2A, Class X, 1.291% (3 Month USD LIBOR + 105 bps), 1/20/35 (144A) | 1,600,126 | ||||
5,750,708(a) | SLM Private Credit Student Loan Trust, Series 2007-A, Class A4A, 0.443% (3 Month USD LIBOR + 24 bps), 12/16/41 | 5,668,470 | ||||
12,102,106(a) | SLM Student Loan Trust, Series 2006-10, Class A6, 0.274% (3 Month USD LIBOR + 15 bps), 3/25/44 | 11,890,032 | ||||
677,808 | Small Business Lending Trust, Series 2020-A, Class A, 2.62%, 12/15/26 (144A) | 678,436 | ||||
1,500,000 | Small Business Lending Trust, Series 2020-A, Class B, 3.20%, 12/15/26 (144A) | 1,504,875 | ||||
1,000,000 | Small Business Lending Trust, Series 2020-A, Class C, 5.01%, 12/15/26 (144A) | 1,001,806 | ||||
1,042,465 | Sofi Consumer Loan Program Trust, Series 2018-1, Class B, 3.65%, 2/25/27 (144A) | 1,048,537 | ||||
812,231(a) | Sofi Professional Loan Program LLC, Series 2016-A, Class A1, 1.852% (1 Month USD LIBOR + 175 bps), 8/25/36 (144A) | 814,087 | ||||
467,673(a) | Sofi Professional Loan Program LLC, Series 2016-B, Class A1, 1.303% (1 Month USD LIBOR + 120 bps), 6/25/33 (144A) | 468,965 | ||||
1,162,646(a) | Sofi Professional Loan Program LLC, Series 2016-C, Class A1, 1.203% (1 Month USD LIBOR + 110 bps), 10/27/36 (144A) | 1,165,499 | ||||
396,899(a) | Sofi Professional Loan Program LLC, Series 2016-E, Class A1, 0.953% (1 Month USD LIBOR + 85 bps), 7/25/39 (144A) | 397,276 | ||||
203,740(a) | Sofi Professional Loan Program LLC, Series 2017-C, Class A1, 0.703% (1 Month USD LIBOR + 60 bps), 7/25/40 (144A) | 203,794 |
33Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Asset Backed Securities — (continued) | ||||||
564,743(a) | Sofi Professional Loan Program LLC, Series 2018-A, Class A1, 0.453% (1 Month USD LIBOR + 35 bps), 2/25/42 (144A) | $ 562,469 | ||||
805,722(a) | SoFi Professional Loan Program LLC, Series 2015-D, Class A1, 1.602% (1 Month USD LIBOR + 150 bps), 10/27/36 (144A) | 807,028 | ||||
282,887(a) | SoFi Professional Loan Program LLC, Series 2016-D, Class A1, 1.053% (1 Month USD LIBOR + 95 bps), 1/25/39 (144A) | 283,967 | ||||
178,297(a) | SoFi Professional Loan Program LLC, Series 2017-A, Class A1, 0.803% (1 Month USD LIBOR + 70 bps), 3/26/40 (144A) | 178,467 | ||||
133,794(a) | SoFi Professional Loan Program LLC, Series 2017-E, Class A1, 0.603% (1 Month USD LIBOR + 50 bps), 11/26/40 (144A) | 133,823 | ||||
5,500,000(a) | Sound Point CLO V-R LTD, Series 2014-1RA, Class D, 3.222% (3 Month USD LIBOR + 310 bps), 7/18/31 (144A) | 5,248,897 | ||||
3,000,000(a) | Sound Point CLO XVI, Ltd., Series 2017-2A, Class D, 3.724% (3 Month USD LIBOR + 360 bps), 7/25/30 (144A) | 2,910,303 | ||||
2,973,242 | SpringCastle America Funding LLC, Series 2020-AA, Class A, 1.97%, 9/25/37 (144A) | 2,958,900 | ||||
4,875,000(a) | STAR Trust, Series 2021-SFR2, Class A, 1.052% (1 Month USD LIBOR + 95 bps), 1/17/24 (144A) | 4,874,123 | ||||
6,250,000(a) | STAR Trust, Series 2021-SFR2, Class E, 2.102% (1 Month USD LIBOR + 200 bps), 1/17/24 (144A) | 6,249,952 | ||||
3,306,507 | Stonepeak ABS, Series 2021-1A, Class AA, 2.301%, 2/28/33 (144A) | 3,270,724 | ||||
10,710(a) | Structured Asset Securities Corp. Mortgage Loan Trust, Series 2005-NC2, Class M4, 0.807% (1 Month USD LIBOR + 71 bps), 5/25/35 | 10,713 | ||||
9,000,000(a) | STWD, Ltd., Series 2021-FL2, Class A, 1.309% (1 Month USD LIBOR + 120 bps), 4/18/38 (144A) | 8,997,169 | ||||
6,000,000(a) | STWD, Ltd., Series 2021-SIF1, Class A, 1.624% (3 Month USD LIBOR + 150 bps), 4/15/32 (144A) | 6,000,000 | ||||
1,500,000(a) | STWD, Ltd., Series 2021-SIF1, Class C, 2.474% (3 Month USD LIBOR + 235 bps), 4/15/32 (144A) | 1,500,000 | ||||
12,000,000(a) | STWD, Ltd., Series 2021-SIF2A, Class A1, 0.001% (3 Month U.S. Treasury Floating Rate + 155 bps), 1/15/33 (144A) | 12,000,000 | ||||
4,000,000(a) | STWD, Ltd., Series 2021-SIF2A, Class D, 0.001% (3 Month U.S. Treasury Floating Rate + 385 bps), 1/15/33 (144A) | 4,000,000 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2134
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Asset Backed Securities — (continued) | ||||||
1,000,000(a) | Symphony CLO XXVIII, Ltd., Series 2021-28A, Class D, 3.238% (3 Month USD LIBOR + 315 bps), 10/23/34 (144A) | $ 1,000,226 | ||||
4,512,500(a) | THL Credit Wind River CLO, Ltd., Series 2019-1A, Class XR, 1.082% (3 Month USD LIBOR + 95 bps), 7/20/34 (144A) | 4,511,367 | ||||
1,586,000 | Tidewater Auto Receivables Trust, Series 2018-AA, Class E, 5.48%, 10/15/26 (144A) | 1,586,441 | ||||
1,120,112 | Tidewater Auto Receivables Trust, Series 2020-AA, Class A2, 1.39%, 8/15/24 (144A) | 1,121,302 | ||||
2,750,000 | Tidewater Auto Receivables Trust, Series 2020-AA, Class E, 3.35%, 7/17/28 (144A) | 2,761,251 | ||||
6,626,678(a) | Towd Point Asset Trust, Series 2018-SL1, Class A, 0.703% (1 Month USD LIBOR + 60 bps), 1/25/46 (144A) | 6,622,011 | ||||
11,000,000(a) | Towd Point Asset Trust, Series 2018-SL1, Class B, 1.153% (1 Month USD LIBOR + 105 bps), 1/25/46 (144A) | 10,885,187 | ||||
3,301,518(a) | Towd Point Mortgage Trust, Series 2019-HY2, Class A1, 1.102% (1 Month USD LIBOR + 100 bps), 5/25/58 (144A) | 3,313,907 | ||||
1,925,182(a) | Towd Point Mortgage Trust, Series 2019-HY3, Class A1A, 1.102% (1 Month USD LIBOR + 100 bps), 10/25/59 (144A) | 1,934,321 | ||||
577,642 | Towd Point Mortgage Trust, Series 2019-HY3, Class XA, 4.50%, 10/25/59 (144A) | 575,348 | ||||
1,571,474(d) | Towd Point Mortgage Trust, Series 2019-SJ1, Class XA, 5.00%, 11/25/58 (144A) | 1,568,031 | ||||
1,576,394(d) | Towd Point Mortgage Trust, Series 2019-SJ2, Class XA, 5.00%, 11/25/58 (144A) | 1,607,990 | ||||
10,831,089 | Towd Point Mortgage Trust, Series 2020-4, Class XA, 3.25%, 10/25/60 (144A) | 10,550,959 | ||||
11,500,000(a) | Trafigura Securitisation Finance Plc, Series 2021-1A, Class A1, 0.64% (1 Month USD LIBOR + 53 bps), 1/15/25 (144A) | 11,468,099 | ||||
7,238,874 | Tricolor Auto Securitization Trust, Series 2021-1A, Class A, 0.74%, 4/15/24 (144A) | 7,233,786 | ||||
1,000,000 | Tricolor Auto Securitization Trust, Series 2021-1A, Class D, 1.92%, 5/15/26 (144A) | 992,500 | ||||
3,250,000 | Tricolor Auto Securitization Trust, Series 2021-1A, Class E, 3.23%, 9/15/26 (144A) | 3,215,913 | ||||
1,500,000(a) | Trinitas CLO XVI, Ltd., Series 2021-16A, Class D, 3.432% (3 Month USD LIBOR + 330 bps), 7/20/34 (144A) | 1,497,734 |
35Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Asset Backed Securities — (continued) | ||||||
16,400,000(a) | TRTX Issuer, Ltd., Series 2019-FL3, Class C, 2.264% (SOFR30A + 221 bps), 10/15/34 (144A) | $ 16,348,752 | ||||
2,565,820 | TVEST LLC, Series 2020-A, Class A, 4.50%, 7/15/32 (144A) | 2,578,851 | ||||
6,938,385 | TVEST LLC, Series 2021-A, Class A, 2.35%, 9/15/33 (144A) | 6,905,967 | ||||
4,700,000 | United Auto Credit Securitization Trust, Series 2021-1, Class F, 4.30%, 9/10/27 (144A) | 4,656,137 | ||||
1,237,561 | Upstart Pass-Through Trust Series, Series 2021-ST4, Class A, 2.00%, 7/20/27 (144A) | 1,226,739 | ||||
5,484,358 | Upstart Pass-Through Trust Series, Series 2021-ST5, Class A, 2.00%, 7/20/27 (144A) | 5,436,372 | ||||
3,027,199 | Upstart Securitization Trust, Series 2020-1, Class A, 2.322%, 4/22/30 (144A) | 3,034,621 | ||||
3,095,373 | Upstart Securitization Trust, Series 2020-3, Class A, 1.702%, 11/20/30 (144A) | 3,104,431 | ||||
2,250,000 | Upstart Securitization Trust, Series 2021-1, Class B, 1.89%, 3/20/31 (144A) | 2,239,121 | ||||
1,876,565 | USASF Receivables LLC, Series 2020-1A, Class A, 2.47%, 8/15/23 (144A) | 1,880,876 | ||||
92,105(a) | Venture 32 CLO, Ltd., Series 2018-32RR, Class AX, 0.874% (3 Month USD LIBOR + 75 bps), 7/19/31 (144A) | 91,809 | ||||
422,398(a) | Venture XXI CLO, Ltd., Series 2015-21A, Class AR, 1.004% (3 Month USD LIBOR + 88 bps), 7/15/27 (144A) | 422,399 | ||||
2,559,073(a) | Verizon Owner Trust, Series 2019-A, Class A1B, 0.434% (1 Month USD LIBOR + 33 bps), 9/20/23 | 2,560,213 | ||||
7,974,626 | Veros Auto Receivables Trust, Series 2021-1, Class A, 0.92%, 10/15/26 (144A) | 7,959,653 | ||||
2,000,000 | Veros Auto Receivables Trust, Series 2021-1, Class C, 3.64%, 8/15/28 (144A) | 1,988,770 | ||||
932,549 | Veros Automobile Receivables Trust, Series 2020-1, Class A, 1.67%, 9/15/23 (144A) | 932,935 | ||||
2,000,000 | Veros Automobile Receivables Trust, Series 2020-1, Class B, 2.19%, 6/16/25 (144A) | 2,008,407 | ||||
1,297,357 | Westgate Resorts LLC, Series 2018-1A, Class B, 3.58%, 12/20/31 (144A) | 1,303,264 | ||||
201,141 | Westgate Resorts LLC, Series 2018-1A, Class C, 4.10%, 12/20/31 (144A) | 201,868 | ||||
1,484,047 | Westgate Resorts LLC, Series 2020-1A, Class A, 2.713%, 3/20/34 (144A) | 1,502,706 | ||||
1,780,856 | Westgate Resorts LLC, Series 2020-1A, Class C, 6.213%, 3/20/34 (144A) | 1,856,938 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2136
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Asset Backed Securities — (continued) | ||||||
7,123,075 | Willis Engine Structured Trust VI, Series 2021-A, Class B, 5.438%, 5/15/46 (144A) | $ 7,231,678 | ||||
6,586(a) | Wilshire Mortgage Loan Trust, Series 1997-2, Class A6, 0.382% (1 Month USD LIBOR + 28 bps), 5/25/28 | 6,583 | ||||
829,037(a) | Wind River CLO, Ltd., Series 2016-1A, Class AR, 1.174% (3 Month USD LIBOR + 105 bps), 7/15/28 (144A) | 828,829 | ||||
5,000,000(a) | Woodmont Trust, Series 2020-7A, Class A1A, 2.024% (3 Month USD LIBOR + 190 bps), 1/15/32 (144A) | 5,028,390 | ||||
6,500,000(a) | Z Capital Credit Partners CLO, Ltd., Series 2019-1A, Class BR, 2.122% (3 Month USD LIBOR + 200 bps), 7/16/31 (144A) | 6,496,724 | ||||
6,000,000(a) | Z Capital Credit Partners CLO, Ltd., Series 2019-1A, Class DR, 5.122% (3 Month USD LIBOR + 500 bps), 7/16/31 (144A) | 5,990,868 | ||||
Total Asset Backed Securities (Cost $1,310,965,129) | $1,308,394,407 | |||||
Collateralized Mortgage Obligations—13.8% of Net Assets | ||||||
58,095(d) | Bear Stearns Mortgage Securities, Inc., Series 1997-6, Class 3B1, 2.184% , 6/25/30 | $ 59,065 | ||||
7,092,510(a) | Bellemeade Re, Ltd., Series 2017-1, Class M2, 3.452% (1 Month USD LIBOR + 335 bps), 10/25/27 (144A) | 7,109,697 | ||||
1,800,330(a) | Bellemeade Re, Ltd., Series 2018-1A, Class M1B, 1.708% (1 Month USD LIBOR + 160 bps), 4/25/28 (144A) | 1,800,330 | ||||
1,657,000(a) | Bellemeade Re, Ltd., Series 2018-3A, Class B1, 4.003% (1 Month USD LIBOR + 390 bps), 10/25/28 (144A) | 1,661,117 | ||||
2,319,316(a) | Bellemeade Re, Ltd., Series 2018-3A, Class M1B, 1.958% (1 Month USD LIBOR + 185 bps), 10/25/28 (144A) | 2,319,318 | ||||
6,125,000(a) | Bellemeade Re, Ltd., Series 2018-3A, Class M2, 2.858% (1 Month USD LIBOR + 275 bps), 10/25/28 (144A) | 6,132,400 | ||||
4,197,740(a) | Bellemeade Re, Ltd., Series 2019-1A, Class M1B, 1.858% (1 Month USD LIBOR + 175 bps), 3/25/29 (144A) | 4,197,743 | ||||
2,800,000(a) | Bellemeade Re, Ltd., Series 2019-3A, Class B1, 2.602% (1 Month USD LIBOR + 250 bps), 7/25/29 (144A) | 2,799,999 | ||||
9,105,763(a) | Bellemeade Re, Ltd., Series 2019-3A, Class M1B, 1.702% (1 Month USD LIBOR + 160 bps), 7/25/29 (144A) | 9,105,770 |
37Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Collateralized Mortgage Obligations—(continued) | ||||||
10,150,000(a) | Bellemeade Re, Ltd., Series 2019-4A, Class M1B, 2.102% (1 Month USD LIBOR + 200 bps), 10/25/29 (144A) | $ 10,149,998 | ||||
5,000,000(a) | Bellemeade Re, Ltd., Series 2019-4A, Class M1C, 2.602% (1 Month USD LIBOR + 250 bps), 10/25/29 (144A) | 4,988,653 | ||||
3,174,404(a) | Bellemeade Re, Ltd., Series 2020-2A, Class M1C, 4.101% (1 Month USD LIBOR + 400 bps), 8/26/30 (144A) | 3,202,215 | ||||
4,567,000(a) | Bellemeade Re, Ltd., Series 2020-3A, Class M1B, 2.952% (1 Month USD LIBOR + 285 bps), 10/25/30 (144A) | 4,587,858 | ||||
6,300,000(a) | Bellemeade Re, Ltd., Series 2020-3A, Class M1C, 3.808% (1 Month USD LIBOR + 370 bps), 10/25/30 (144A) | 6,452,548 | ||||
5,000,000(a) | Bellemeade Re, Ltd., Series 2020-4A, Class B1, 5.108% (1 Month USD LIBOR + 500 bps), 6/25/30 (144A) | 5,000,013 | ||||
4,120,000(a) | Bellemeade Re, Ltd., Series 2020-4A, Class M2B, 3.708% (1 Month USD LIBOR + 360 bps), 6/25/30 (144A) | 4,124,418 | ||||
4,290,000(a) | Bellemeade Re, Ltd., Series 2021-3A, Class A2, 1.05% (SOFR30A + 100 bps), 9/25/31 (144A) | 4,247,709 | ||||
2,624,810(a) | Brass NO 8 Plc, Series 8A, Class A1, 0.855% (3 Month USD LIBOR + 70 bps), 11/16/66 (144A) | 2,633,052 | ||||
1,439,005(d) | BRAVO Residential Funding Trust, Series 2021-NQM2, Class A2, 1.28% , 3/25/60 (144A) | 1,430,192 | ||||
13,556,126(d) | Cascade Funding Mortgage Trust, Series 2021-HB6, Class A, 0.898% , 6/25/36 (144A) | 13,536,902 | ||||
3,300,000(d) | CFMT LLC, Series 2021-HB5, Class M3, 2.91% , 2/25/31 (144A) | 3,250,984 | ||||
9,832,933(d) | CFMT LLC, Series 2021-HB7, Class A, 1.151% , 10/27/31 (144A) | 9,799,541 | ||||
9,000,000(d) | CFMT LLC, Series 2021-HB7, Class M2, 2.679% , 10/27/31 (144A) | 8,992,375 | ||||
6,450,000(d) | CFMT LLC, Series 2021-HB7, Class M4, 5.072% , 10/27/31 (144A) | 6,408,918 | ||||
10,018,878(a) | Chase Mortgage Finance Corp., Series 2021-CL1, Class M1, 1.25% (SOFR30A + 120 bps), 2/25/50 (144A) | 10,044,952 | ||||
2,593,121(a) | Chase Mortgage Finance Corp., Series 2021-CL1, Class M2, 1.40% (SOFR30A + 135 bps), 2/25/50 (144A) | 2,602,517 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2138
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Collateralized Mortgage Obligations—(continued) | ||||||
1,493,009(a) | Chase Mortgage Finance Corp., Series 2021-CL1, Class M3, 1.60% (SOFR30A + 155 bps), 2/25/50 (144A) | $ 1,496,836 | ||||
84,017(a) | CHL Mortgage Pass-Through Trust, Series 2003-15, Class 1A1, 0.602% (1 Month USD LIBOR + 50 bps), 6/25/18 | 84,017 | ||||
512 | Citicorp Mortgage Securities REMIC Pass-Through Certificates Trust Series, Series 2005-4, Class 2A1, 5.00% , 7/25/20 | 519 | ||||
16,449,543(a) | Connecticut Avenue Securities Trust, Series 2019-HRP1, Class M2, 2.253% (1 Month USD LIBOR + 215 bps), 11/25/39 (144A) | 16,449,536 | ||||
62,863(a) | CSFB Mortgage-Backed Pass-Through Certificates Series, Series 2004-AR5, Class 11A2, 0.842% (1 Month USD LIBOR + 74 bps), 6/25/34 | 63,279 | ||||
4,410,148(a) | Eagle Re, Ltd., Series 2018-1, Class M1, 1.808% (1 Month USD LIBOR + 170 bps), 11/25/28 (144A) | 4,410,150 | ||||
6,292,367(a) | Eagle Re, Ltd., Series 2019-1, Class M1B, 1.908% (1 Month USD LIBOR + 180 bps), 4/25/29 (144A) | 6,292,371 | ||||
6,640,000(a) | Eagle Re, Ltd., Series 2020-1, Class M1B, 1.552% (1 Month USD LIBOR + 145 bps), 1/25/30 (144A) | 6,520,466 | ||||
750,000(a) | Eagle Re, Ltd., Series 2020-1, Class M1C, 1.902% (1 Month USD LIBOR + 180 bps), 1/25/30 (144A) | 738,813 | ||||
1,326,627(a) | Eagle Re, Ltd., Series 2020-2, Class M1C, 4.608% (1 Month USD LIBOR + 450 bps), 10/25/30 (144A) | 1,327,972 | ||||
4,000,000(a) | Eagle Re, Ltd., Series 2021-1, Class M1A, 1.75% (SOFR30A + 170 bps), 10/25/33 (144A) | 4,000,001 | ||||
4,206,000(a) | Eagle Re, Ltd., Series 2021-1, Class M1B, 2.20% (SOFR30A + 215 bps), 10/25/33 (144A) | 4,222,904 | ||||
3,360,000(a) | Eagle Re, Ltd., Series 2021-2, Class M1C, 3.50% (SOFR30A + 345 bps), 4/25/34 (144A) | 3,359,669 | ||||
1,329,121(a) | Fannie Mae Connecticut Avenue Securities, Series 2016-C02, Class 1M2, 6.103% (1 Month USD LIBOR + 600 bps), 9/25/28 | 1,373,315 | ||||
10,526,604(a) | Fannie Mae Connecticut Avenue Securities, Series 2017-C05, Class 1M2B, 2.303% (1 Month USD LIBOR + 220 bps), 1/25/30 | 10,597,603 | ||||
358,345(a) | Fannie Mae Connecticut Avenue Securities, Series 2017-C07, Class 1M2A, 2.502% (1 Month USD LIBOR + 240 bps), 5/25/30 | 358,828 | ||||
13,069,490(a) | Fannie Mae Connecticut Avenue Securities, Series 2018-C01, Class 1EB1, 0.553% (1 Month USD LIBOR + 45 bps), 7/25/30 | 12,981,463 |
39Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Collateralized Mortgage Obligations—(continued) | ||||||
10,472(a) | Fannie Mae REMICS, Series 1993-230, Class FA, 0.692% (1 Month USD LIBOR + 60 bps), 12/25/23 | $ 10,444 | ||||
26,254(a) | Fannie Mae REMICS, Series 1993-247, Class FA, 1.625% (11th District Cost of Funds Index (COFI Rate) + 140 bps), 12/25/23 | 26,500 | ||||
26,254(a) | Fannie Mae REMICS, Series 1993-247, Class FE, 1.102% (1 Month USD LIBOR + 100 bps), 12/25/23 | 26,416 | ||||
54,050(a) | Fannie Mae REMICS, Series 1994-40, Class FC, 0.602% (1 Month USD LIBOR + 50 bps), 3/25/24 | 54,450 | ||||
10,457(a) | Fannie Mae REMICS, Series 1997-46, Class FA, 0.604% (1 Month USD LIBOR + 50 bps), 7/18/27 | 10,389 | ||||
21,817(a) | Fannie Mae REMICS, Series 1998-21, Class F, 0.46% (1 Year CMT Index + 35 bps), 3/25/28 | 21,730 | ||||
28,754(a) | Fannie Mae REMICS, Series 2000-47, Class FD, 0.652% (1 Month USD LIBOR + 55 bps), 12/25/30 | 28,970 | ||||
104,732(a) | Fannie Mae REMICS, Series 2001-35, Class F, 0.702% (1 Month USD LIBOR + 60 bps), 7/25/31 | 105,717 | ||||
35,739(a) | Fannie Mae REMICS, Series 2001-37, Class F, 0.602% (1 Month USD LIBOR + 50 bps), 8/25/31 | 35,930 | ||||
216,430(a) | Fannie Mae REMICS, Series 2001-50, Class FQ, 0.702% (1 Month USD LIBOR + 60 bps), 11/25/31 | 218,464 | ||||
95,229(a) | Fannie Mae REMICS, Series 2001-65, Class F, 0.702% (1 Month USD LIBOR + 60 bps), 11/25/31 | 96,124 | ||||
63,855(a) | Fannie Mae REMICS, Series 2001-69, Class FA, 0.702% (1 Month USD LIBOR + 60 bps), 7/25/31 | 64,466 | ||||
191,514(a) | Fannie Mae REMICS, Series 2001-72, Class FB, 1.002% (1 Month USD LIBOR + 90 bps), 12/25/31 | 195,316 | ||||
48,682(a) | Fannie Mae REMICS, Series 2001-81, Class FL, 0.754% (1 Month USD LIBOR + 65 bps), 1/18/32 | 49,115 | ||||
83,765(a) | Fannie Mae REMICS, Series 2002-1, Class FC, 0.802% (1 Month USD LIBOR + 70 bps), 1/25/32 | 84,982 | ||||
256,413(a) | Fannie Mae REMICS, Series 2002-13, Class FD, 1.002% (1 Month USD LIBOR + 90 bps), 3/25/32 | 260,465 | ||||
169,484(a) | Fannie Mae REMICS, Series 2002-34, Class FA, 0.604% (1 Month USD LIBOR + 50 bps), 5/18/32 | 170,695 | ||||
138,862(a) | Fannie Mae REMICS, Series 2002-56, Class FN, 1.102% (1 Month USD LIBOR + 100 bps), 7/25/32 | 142,028 | ||||
18,666(a) | Fannie Mae REMICS, Series 2002-58, Class FD, 0.702% (1 Month USD LIBOR + 60 bps), 8/25/32 | 18,854 | ||||
85,059(a) | Fannie Mae REMICS, Series 2002-77, Class F, 0.702% (1 Month USD LIBOR + 60 bps), 12/25/32 | 86,390 | ||||
62,019(a) | Fannie Mae REMICS, Series 2002-82, Class FB, 0.602% (1 Month USD LIBOR + 50 bps), 12/25/32 | 62,441 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2140
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Collateralized Mortgage Obligations—(continued) | ||||||
82,572(a) | Fannie Mae REMICS, Series 2002-90, Class FH, 0.602% (1 Month USD LIBOR + 50 bps), 9/25/32 | $ 83,124 | ||||
45,478(a) | Fannie Mae REMICS, Series 2002-92, Class FB, 0.752% (1 Month USD LIBOR + 65 bps), 4/25/30 | 45,958 | ||||
86,663(a) | Fannie Mae REMICS, Series 2002-93, Class FH, 0.602% (1 Month USD LIBOR + 50 bps), 1/25/33 | 87,492 | ||||
143,653(a) | Fannie Mae REMICS, Series 2003-107, Class FD, 0.602% (1 Month USD LIBOR + 50 bps), 11/25/33 | 144,805 | ||||
220,598(a) | Fannie Mae REMICS, Series 2003-31, Class FM, 0.602% (1 Month USD LIBOR + 50 bps), 4/25/33 | 223,808 | ||||
94,244(a) | Fannie Mae REMICS, Series 2003-42, Class JF, 0.602% (1 Month USD LIBOR + 50 bps), 5/25/33 | 94,679 | ||||
27,699(a) | Fannie Mae REMICS, Series 2003-49, Class FY, 0.502% (1 Month USD LIBOR + 40 bps), 6/25/23 | 27,696 | ||||
70,741(a) | Fannie Mae REMICS, Series 2003-7, Class FA, 0.852% (1 Month USD LIBOR + 75 bps), 2/25/33 | 71,976 | ||||
135,934(a) | Fannie Mae REMICS, Series 2003-8, Class FJ, 0.452% (1 Month USD LIBOR + 35 bps), 2/25/33 | 136,066 | ||||
155,213(a) | Fannie Mae REMICS, Series 2004-52, Class FW, 0.502% (1 Month USD LIBOR + 40 bps), 7/25/34 | 156,428 | ||||
41,339(a) | Fannie Mae REMICS, Series 2004-54, Class FN, 0.552% (1 Month USD LIBOR + 45 bps), 7/25/34 | 41,618 | ||||
232,294(a) | Fannie Mae REMICS, Series 2004-79, Class FM, 0.402% (1 Month USD LIBOR + 30 bps), 11/25/24 | 232,276 | ||||
141,871(a) | Fannie Mae REMICS, Series 2005-83, Class KT, 0.402% (1 Month USD LIBOR + 30 bps), 10/25/35 | 142,542 | ||||
179,339(a) | Fannie Mae REMICS, Series 2005-83, Class LF, 0.412% (1 Month USD LIBOR + 31 bps), 2/25/35 | 179,888 | ||||
83,944(a) | Fannie Mae REMICS, Series 2006-104, Class GF, 0.422% (1 Month USD LIBOR + 32 bps), 11/25/36 | 84,489 | ||||
28,627(a) | Fannie Mae REMICS, Series 2006-11, Class FB, 0.402% (1 Month USD LIBOR + 30 bps), 3/25/36 | 28,264 | ||||
40,220(a) | Fannie Mae REMICS, Series 2006-115, Class BF, 0.342% (1 Month USD LIBOR + 24 bps), 12/25/36 | 40,296 | ||||
109,771(a) | Fannie Mae REMICS, Series 2006-33, Class FH, 0.452% (1 Month USD LIBOR + 35 bps), 5/25/36 | 110,442 | ||||
125,416(a) | Fannie Mae REMICS, Series 2006-34, Class FA, 0.412% (1 Month USD LIBOR + 31 bps), 5/25/36 | 126,091 | ||||
163,936(a) | Fannie Mae REMICS, Series 2006-42, Class CF, 0.552% (1 Month USD LIBOR + 45 bps), 6/25/36 | 161,386 | ||||
68,458(a) | Fannie Mae REMICS, Series 2006-56, Class FC, 0.392% (1 Month USD LIBOR + 29 bps), 7/25/36 | 68,728 | ||||
13,876(a) | Fannie Mae REMICS, Series 2006-70, Class BF, 0.652% (1 Month USD LIBOR + 55 bps), 8/25/36 | 14,102 |
41Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Collateralized Mortgage Obligations—(continued) | ||||||
38,488(a) | Fannie Mae REMICS, Series 2006-82, Class F, 0.672% (1 Month USD LIBOR + 57 bps), 9/25/36 | $ 39,152 | ||||
30,193(a) | Fannie Mae REMICS, Series 2007-100, Class YF, 0.652% (1 Month USD LIBOR + 55 bps), 10/25/37 | 30,775 | ||||
40,094(a) | Fannie Mae REMICS, Series 2007-103, Class AF, 1.102% (1 Month USD LIBOR + 100 bps), 3/25/37 | 41,036 | ||||
45,619(a) | Fannie Mae REMICS, Series 2007-110, Class FA, 0.722% (1 Month USD LIBOR + 62 bps), 12/25/37 | 46,056 | ||||
61,483(a) | Fannie Mae REMICS, Series 2007-13, Class FA, 0.352% (1 Month USD LIBOR + 25 bps), 3/25/37 | 61,596 | ||||
110,353(a) | Fannie Mae REMICS, Series 2007-2, Class FT, 0.352% (1 Month USD LIBOR + 25 bps), 2/25/37 | 111,205 | ||||
116,745(a) | Fannie Mae REMICS, Series 2007-41, Class FA, 0.502% (1 Month USD LIBOR + 40 bps), 5/25/37 | 117,735 | ||||
193,710(a) | Fannie Mae REMICS, Series 2007-50, Class FN, 0.342% (1 Month USD LIBOR + 24 bps), 6/25/37 | 194,070 | ||||
18,838(a) | Fannie Mae REMICS, Series 2007-57, Class FA, 0.332% (1 Month USD LIBOR + 23 bps), 6/25/37 | 18,880 | ||||
48,818(a) | Fannie Mae REMICS, Series 2007-58, Class FA, 0.352% (1 Month USD LIBOR + 25 bps), 6/25/37 | 48,905 | ||||
49,936(a) | Fannie Mae REMICS, Series 2007-66, Class FB, 0.502% (1 Month USD LIBOR + 40 bps), 7/25/37 | 50,183 | ||||
128,441(a) | Fannie Mae REMICS, Series 2007-7, Class FJ, 0.302% (1 Month USD LIBOR + 20 bps), 2/25/37 | 128,552 | ||||
182,637(a) | Fannie Mae REMICS, Series 2007-85, Class FG, 0.602% (1 Month USD LIBOR + 50 bps), 9/25/37 | 185,541 | ||||
233,358(a) | Fannie Mae REMICS, Series 2007-91, Class FB, 0.702% (1 Month USD LIBOR + 60 bps), 10/25/37 | 237,333 | ||||
78,136(a) | Fannie Mae REMICS, Series 2007-92, Class OF, 0.672% (1 Month USD LIBOR + 57 bps), 9/25/37 | 79,442 | ||||
44,845(a) | Fannie Mae REMICS, Series 2007-93, Class FD, 0.652% (1 Month USD LIBOR + 55 bps), 9/25/37 | 45,557 | ||||
21,091(a) | Fannie Mae REMICS, Series 2007-98, Class FD, 0.552% (1 Month USD LIBOR + 45 bps), 6/25/37 | 21,316 | ||||
27,621(a) | Fannie Mae REMICS, Series 2008-6, Class FA, 0.802% (1 Month USD LIBOR + 70 bps), 2/25/38 | 28,127 | ||||
133,153(a) | Fannie Mae REMICS, Series 2008-88, Class FA, 1.322% (1 Month USD LIBOR + 122 bps), 10/25/38 | 137,674 | ||||
61,077(a) | Fannie Mae REMICS, Series 2009-113, Class FB, 0.652% (1 Month USD LIBOR + 55 bps), 1/25/40 | 62,010 | ||||
4(a) | Fannie Mae REMICS, Series 2010-38, Class F, 0.402% (1 Month USD LIBOR + 30 bps), 4/25/25 | 4 | ||||
38,335(a) | Fannie Mae REMICS, Series 2010-43, Class FD, 0.702% (1 Month USD LIBOR + 60 bps), 5/25/40 | 38,973 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2142
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Collateralized Mortgage Obligations—(continued) | ||||||
100,496(a) | Fannie Mae REMICS, Series 2010-43, Class IF, 0.602% (1 Month USD LIBOR + 50 bps), 5/25/40 | $ 99,573 | ||||
19,932(a) | Fannie Mae REMICS, Series 2011-19, Class FM, 0.652% (1 Month USD LIBOR + 55 bps), 5/25/40 | 19,952 | ||||
113,583(a) | Fannie Mae REMICS, Series 2012-40, Class PF, 0.602% (1 Month USD LIBOR + 50 bps), 4/25/42 | 114,998 | ||||
1,207,678(a) | Fannie Mae Trust, Series 2003-W6, Class F, 0.442% (1 Month USD LIBOR + 35 bps), 9/25/42 | 1,214,266 | ||||
485,366(a) | Fannie Mae Trust, Series 2005-W3, Class 2AF, 0.323% (1 Month USD LIBOR + 22 bps), 3/25/45 | 483,689 | ||||
37,931(d) | Fannie Mae Trust, Series 2005-W3, Class 3A, 3.241% , 4/25/45 | 40,885 | ||||
58,402(d) | Fannie Mae Trust, Series 2005-W4, Class 3A, 2.489% , 6/25/45 | 61,511 | ||||
457,917(a) | Fannie Mae Whole Loan, Series 2007-W1, Class 1AF1, 0.363% (1 Month USD LIBOR + 26 bps), 11/25/46 | 454,561 | ||||
118,346(a) | Freddie Mac REMICS, Series 1695, Class EG, 1.139% (1 Month USD LIBOR + 105 bps), 3/15/24 | 118,932 | ||||
100,458(a) | Freddie Mac REMICS, Series 2106, Class F, 0.56% (1 Month USD LIBOR + 45 bps), 12/15/28 | 100,834 | ||||
63,355(a) | Freddie Mac REMICS, Series 2122, Class FD, 0.46% (1 Month USD LIBOR + 35 bps), 2/15/29 | 62,048 | ||||
18,520(a) | Freddie Mac REMICS, Series 2156, Class FQ, 0.46% (1 Month USD LIBOR + 35 bps), 5/15/29 | 18,295 | ||||
118,433(a) | Freddie Mac REMICS, Series 2186, Class FY, 0.71% (1 Month USD LIBOR + 60 bps), 4/15/28 | 119,093 | ||||
33,229(a) | Freddie Mac REMICS, Series 2368, Class AF, 1.06% (1 Month USD LIBOR + 95 bps), 10/15/31 | 33,865 | ||||
33,212(a) | Freddie Mac REMICS, Series 2377, Class FE, 0.71% (1 Month USD LIBOR + 60 bps), 11/15/31 | 33,529 | ||||
76,166(a) | Freddie Mac REMICS, Series 2411, Class FR, 0.71% (1 Month USD LIBOR + 60 bps), 6/15/31 | 76,854 | ||||
63,072(a) | Freddie Mac REMICS, Series 2432, Class FH, 0.81% (1 Month USD LIBOR + 70 bps), 3/15/32 | 64,090 | ||||
163,604(a) | Freddie Mac REMICS, Series 2439, Class F, 1.11% (1 Month USD LIBOR + 100 bps), 3/15/32 | 167,253 | ||||
218,849(a) | Freddie Mac REMICS, Series 2470, Class AF, 1.11% (1 Month USD LIBOR + 100 bps), 3/15/32 | 224,066 | ||||
138,226(a) | Freddie Mac REMICS, Series 2471, Class FD, 1.11% (1 Month USD LIBOR + 100 bps), 3/15/32 | 141,309 | ||||
38,657(a) | Freddie Mac REMICS, Series 2498, Class FQ, 0.71% (1 Month USD LIBOR + 60 bps), 9/15/32 | 39,043 |
43Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Collateralized Mortgage Obligations—(continued) | ||||||
44,914(a) | Freddie Mac REMICS, Series 2543, Class EF, 0.46% (1 Month USD LIBOR + 35 bps), 12/15/32 | $ 44,973 | ||||
263,730(a) | Freddie Mac REMICS, Series 2551, Class FD, 0.51% (1 Month USD LIBOR + 40 bps), 1/15/33 | 266,103 | ||||
154,440(a) | Freddie Mac REMICS, Series 2567, Class FJ, 0.51% (1 Month USD LIBOR + 40 bps), 2/15/33 | 154,951 | ||||
70,583(a) | Freddie Mac REMICS, Series 2577, Class FA, 0.66% (1 Month USD LIBOR + 55 bps), 2/15/33 | 71,205 | ||||
5,731(a) | Freddie Mac REMICS, Series 2585, Class FD, 0.61% (1 Month USD LIBOR + 50 bps), 12/15/32 | 5,770 | ||||
80,087(a) | Freddie Mac REMICS, Series 2614, Class FV, 1.599% (1 Month USD LIBOR + 150 bps), 5/15/33 | 82,747 | ||||
122,159(a) | Freddie Mac REMICS, Series 2631, Class FC, 0.51% (1 Month USD LIBOR + 40 bps), 6/15/33 | 123,291 | ||||
70,314(a) | Freddie Mac REMICS, Series 2711, Class FA, 1.11% (1 Month USD LIBOR + 100 bps), 11/15/33 | 71,811 | ||||
121,322(a) | Freddie Mac REMICS, Series 2916, Class NF, 0.36% (1 Month USD LIBOR + 25 bps), 1/15/35 | 121,593 | ||||
270,981(a) | Freddie Mac REMICS, Series 2976, Class LF, 0.45% (1 Month USD LIBOR + 34 bps), 5/15/35 | 272,759 | ||||
93,055(a) | Freddie Mac REMICS, Series 3012, Class FE, 0.36% (1 Month USD LIBOR + 25 bps), 8/15/35 | 92,775 | ||||
77,222(a) | Freddie Mac REMICS, Series 3042, Class PF, 0.36% (1 Month USD LIBOR + 25 bps), 8/15/35 | 77,405 | ||||
51,540(a) | Freddie Mac REMICS, Series 3067, Class FA, 0.46% (1 Month USD LIBOR + 35 bps), 11/15/35 | 51,911 | ||||
43,244(a) | Freddie Mac REMICS, Series 3102, Class FG, 0.41% (1 Month USD LIBOR + 30 bps), 1/15/36 | 43,411 | ||||
96,562(a) | Freddie Mac REMICS, Series 3117, Class EF, 0.46% (1 Month USD LIBOR + 35 bps), 2/15/36 | 97,157 | ||||
218,572(a) | Freddie Mac REMICS, Series 3117, Class FE, 0.41% (1 Month USD LIBOR + 30 bps), 2/15/36 | 219,462 | ||||
131,844(a) | Freddie Mac REMICS, Series 3122, Class FP, 0.41% (1 Month USD LIBOR + 30 bps), 3/15/36 | 132,379 | ||||
80,303(a) | Freddie Mac REMICS, Series 3147, Class PF, 0.41% (1 Month USD LIBOR + 30 bps), 4/15/36 | 80,628 | ||||
198,130(a) | Freddie Mac REMICS, Series 3173, Class FC, 0.53% (1 Month USD LIBOR + 42 bps), 6/15/36 | 199,794 | ||||
442,086(a) | Freddie Mac REMICS, Series 3175, Class FE, 0.42% (1 Month USD LIBOR + 31 bps), 6/15/36 | 442,839 | ||||
242,469(a) | Freddie Mac REMICS, Series 3181, Class HF, 0.61% (1 Month USD LIBOR + 50 bps), 7/15/36 | 246,216 | ||||
12,354(a) | Freddie Mac REMICS, Series 3191, Class FE, 0.51% (1 Month USD LIBOR + 40 bps), 7/15/36 | 12,472 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2144
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Collateralized Mortgage Obligations—(continued) | ||||||
184,836(a) | Freddie Mac REMICS, Series 3221, Class FW, 0.53% (1 Month USD LIBOR + 42 bps), 9/15/36 | $ 187,766 | ||||
56,572(a) | Freddie Mac REMICS, Series 3222, Class FN, 0.51% (1 Month USD LIBOR + 40 bps), 9/15/36 | 57,034 | ||||
195,074(a) | Freddie Mac REMICS, Series 3239, Class EF, 0.46% (1 Month USD LIBOR + 35 bps), 11/15/36 | 196,608 | ||||
94,496(a) | Freddie Mac REMICS, Series 3239, Class FB, 0.46% (1 Month USD LIBOR + 35 bps), 11/15/36 | 95,234 | ||||
152,452(a) | Freddie Mac REMICS, Series 3247, Class FA, 0.36% (1 Month USD LIBOR + 25 bps), 8/15/36 | 152,989 | ||||
188,701(a) | Freddie Mac REMICS, Series 3266, Class F, 0.41% (1 Month USD LIBOR + 30 bps), 1/15/37 | 189,461 | ||||
134,203(a) | Freddie Mac REMICS, Series 3307, Class FT, 0.35% (1 Month USD LIBOR + 24 bps), 7/15/34 | 134,453 | ||||
16,110(a) | Freddie Mac REMICS, Series 3315, Class F, 0.45% (1 Month USD LIBOR + 34 bps), 5/15/37 | 16,230 | ||||
342,266(a) | Freddie Mac REMICS, Series 3373, Class FB, 0.69% (1 Month USD LIBOR + 58 bps), 10/15/37 | 347,845 | ||||
41,107(a) | Freddie Mac REMICS, Series 3376, Class FM, 0.73% (1 Month USD LIBOR + 62 bps), 10/15/37 | 41,840 | ||||
15,258(a) | Freddie Mac REMICS, Series 3560, Class FA, 1.36% (1 Month USD LIBOR + 125 bps), 5/15/37 | 15,826 | ||||
206,605(a) | Freddie Mac REMICS, Series 3610, Class FA, 0.81% (1 Month USD LIBOR + 70 bps), 12/15/39 | 207,270 | ||||
82,841(a) | Freddie Mac REMICS, Series 3708, Class PF, 0.46% (1 Month USD LIBOR + 35 bps), 7/15/40 | 83,184 | ||||
25,687(a) | Freddie Mac REMICS, Series 3784, Class F, 0.51% (1 Month USD LIBOR + 40 bps), 7/15/23 | 25,653 | ||||
8,427(a) | Freddie Mac REMICS, Series 3792, Class DF, 0.51% (1 Month USD LIBOR + 40 bps), 11/15/40 | 8,394 | ||||
20,814(a) | Freddie Mac REMICS, Series 3867, Class FD, 0.46% (1 Month USD LIBOR + 35 bps), 5/15/41 | 20,945 | ||||
44,128(a) | Freddie Mac REMICS, Series 3914, Class LF, 0.31% (1 Month USD LIBOR + 20 bps), 8/15/26 | 43,992 | ||||
89,749(a) | Freddie Mac REMICS, Series 3970, Class GF, 0.41% (1 Month USD LIBOR + 30 bps), 9/15/26 | 89,728 | ||||
102,332(a) | Freddie Mac REMICS, Series 3982, Class FL, 0.66% (1 Month USD LIBOR + 55 bps), 12/15/39 | 102,664 | ||||
55,033(a) | Freddie Mac REMICS, Series 4056, Class QF, 0.46% (1 Month USD LIBOR + 35 bps), 12/15/41 | 55,288 | ||||
388,557(a) | Freddie Mac Stacr Remic Trust, Series 2020-DNA4, Class M2, 3.858% (1 Month USD LIBOR + 375 bps), 8/25/50 (144A) | 390,498 |
45Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Collateralized Mortgage Obligations—(continued) | ||||||
3,628,179(a) | Freddie Mac Stacr Remic Trust, Series 2020-HQA2, Class M2, 3.208% (1 Month USD LIBOR + 310 bps), 3/25/50 (144A) | $ 3,670,569 | ||||
7,550,000(a) | Freddie Mac Stacr Remic Trust, Series 2021-HQA1, Class M2, 2.30% (SOFR30A + 225 bps), 8/25/33 (144A) | 7,599,940 | ||||
4,700,000(a) | Freddie Mac Stacr Remic Trust, Series 2021-HQA3, Class M2, 2.15% (SOFR30A + 210 bps), 9/25/41 (144A) | 4,697,065 | ||||
14,263,814(a) | Freddie Mac Stacr Trust, Series 2019-HRP1, Class M2, 1.503% (1 Month USD LIBOR + 140 bps), 2/25/49 (144A) | 14,299,632 | ||||
91,507(a) | Freddie Mac Strips, Series 237, Class F14, 0.51% (1 Month USD LIBOR + 40 bps), 5/15/36 | 92,074 | ||||
84,322(a) | Freddie Mac Strips, Series 239, Class F29, 0.36% (1 Month USD LIBOR + 25 bps), 8/15/36 | 84,859 | ||||
364,526(a) | Freddie Mac Strips, Series 239, Class F30, 0.41% (1 Month USD LIBOR + 30 bps), 8/15/36 | 365,239 | ||||
105,834(a) | Freddie Mac Strips, Series 244, Class F22, 0.46% (1 Month USD LIBOR + 35 bps), 12/15/36 | 106,793 | ||||
10,138,745(a) | Freddie Mac Structured Agency Credit Risk Debt Notes, Series 2013-DN2, Class M2, 4.353% (1 Month USD LIBOR + 425 bps), 11/25/23 | 10,447,606 | ||||
3,445,583(a) | Freddie Mac Structured Agency Credit Risk Debt Notes, Series 2015-DNA3, Class M3, 4.803% (1 Month USD LIBOR + 470 bps), 4/25/28 | 3,551,414 | ||||
9,426,590(a) | Freddie Mac Structured Agency Credit Risk Debt Notes, Series 2016-DNA1, Class M3, 5.653% (1 Month USD LIBOR + 555 bps), 7/25/28 | 9,816,349 | ||||
10,758,207(a) | Freddie Mac Structured Agency Credit Risk Debt Notes, Series 2016-DNA3, Class M3, 5.103% (1 Month USD LIBOR + 500 bps), 12/25/28 | 11,206,782 | ||||
11,164,978(a) | Freddie Mac Structured Agency Credit Risk Debt Notes, Series 2016-DNA4, Class M3, 3.903% (1 Month USD LIBOR + 380 bps), 3/25/29 | 11,504,278 | ||||
3,425,000(a) | Freddie Mac Structured Agency Credit Risk Debt Notes, Series 2017-HRP1, Class B1D, 2.608% (1 Month USD LIBOR + 250 bps), 12/25/42 | 3,360,669 | ||||
6,136,196(a) | Freddie Mac Structured Agency Credit Risk Debt Notes, Series 2017-HRP1, Class M2, 2.553% (1 Month USD LIBOR + 245 bps), 12/25/42 | 6,180,622 | ||||
948,399(a) | Freddie Mac Structured Agency Credit Risk Debt Notes, Series 2017-HRP1, Class M2D, 1.353% (1 Month USD LIBOR + 125 bps), 12/25/42 | 946,611 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2146
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Collateralized Mortgage Obligations—(continued) | ||||||
1,017,383(a) | Gosforth Funding Plc, Series 2018-1A, Class A1, 0.628% (3 Month USD LIBOR + 45 bps), 8/25/60 (144A) | $ 1,018,014 | ||||
61,061(a) | Government National Mortgage Association, Series 2003-7, Class FB, 0.308% (1 Month USD LIBOR + 20 bps), 1/16/33 | 60,969 | ||||
280,374(a) | Government National Mortgage Association, Series 2005-16, Class FA, 0.354% (1 Month USD LIBOR + 25 bps), 2/20/35 | 280,806 | ||||
305,519(a) | Government National Mortgage Association, Series 2005-3, Class FC, 0.358% (1 Month USD LIBOR + 25 bps), 1/16/35 | 305,900 | ||||
96,388(a) | Government National Mortgage Association, Series 2008-69, Class FA, 0.604% (1 Month USD LIBOR + 50 bps), 8/20/38 | 96,792 | ||||
91,431(a) | Government National Mortgage Association, Series 2009-66, Class UF, 1.108% (1 Month USD LIBOR + 100 bps), 8/16/39 | 93,486 | ||||
122,592(a) | Government National Mortgage Association, Series 2009-88, Class MF, 0.704% (1 Month USD LIBOR + 60 bps), 7/20/39 | ��� 122,755 | ||||
71,308(a) | Government National Mortgage Association, Series 2009-92, Class FJ, 0.788% (1 Month USD LIBOR + 68 bps), 10/16/39 | 72,294 | ||||
4,406,473(a) | Home Re Ltd., Series 2018-1, Class M1, 1.708% (1 Month USD LIBOR + 160 bps), 10/25/28 (144A) | 4,406,474 | ||||
4,795,459(a) | Home Re Ltd., Series 2019-1, Class M1, 1.758% (1 Month USD LIBOR + 165 bps), 5/25/29 (144A) | 4,795,460 | ||||
4,621,691(a) | Home Re Ltd., Series 2020-1, Class M1B, 3.352% (1 Month USD LIBOR + 325 bps), 10/25/30 (144A) | 4,635,291 | ||||
4,650,000(a) | Home Re Ltd., Series 2020-1, Class M1C, 4.258% (1 Month USD LIBOR + 415 bps), 10/25/30 (144A) | 4,704,799 | ||||
9,501,000(a) | Home Re Ltd., Series 2021-1, Class M1B, 1.652% (1 Month USD LIBOR + 155 bps), 7/25/33 (144A) | 9,465,939 | ||||
7,360,000(a) | Home Re Ltd., Series 2021-1, Class M2, 2.958% (1 Month USD LIBOR + 285 bps), 7/25/33 (144A) | 7,178,076 | ||||
11,013,000(a) | Home Re Ltd., Series 2021-2, Class M1C, 2.85% (SOFR30A + 280 bps), 1/25/34 (144A) | 10,930,934 | ||||
2,903,103(d) | Imperial Fund Mortgage Trust, Series 2021-NQM2, Class A2, 1.362% , 9/25/56 (144A) | 2,868,126 | ||||
5,000,000 | IMS Ecuadorian Mortgage Trust, Series 2021-1, Class GA, 3.40% , 8/18/43 (144A) | 5,175,000 | ||||
1,867,435(d) | JP Morgan Mortgage Trust, Series 2014-IVR3, Class B4, 2.399% , 9/25/44 (144A) | 1,899,686 |
47Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Collateralized Mortgage Obligations—(continued) | ||||||
4,058,850(d) | JP Morgan Mortgage Trust, Series 2014-IVR6, Class B1, 2.405% , 7/25/44 (144A) | $ 4,099,564 | ||||
466,325(d) | JP Morgan Mortgage Trust, Series 2017-4, Class A9, 3.50% , 11/25/48 (144A) | 466,613 | ||||
14,440,200(a) | JP Morgan Mortgage Trust, Series 2018-7FRB, Class A2, 0.852% (1 Month USD LIBOR + 75 bps), 4/25/46 (144A) | 14,416,367 | ||||
2,366,519(a) | JP Morgan Mortgage Trust, Series 2018-7FRB, Class A3, 0.852% (1 Month USD LIBOR + 75 bps), 4/25/46 (144A) | 2,353,453 | ||||
8,011,549(d) | JP Morgan Mortgage Trust, Series 2018-7FRB, Class B1, 2.107% , 4/25/46 (144A) | 8,110,968 | ||||
7,577,513(d) | JP Morgan Mortgage Trust, Series 2018-7FRB, Class B2, 2.107% , 4/25/46 (144A) | 7,652,978 | ||||
1,315,510(a) | JP Morgan Seasoned Mortgage Trust, Series 2014-1, Class AM, 0.602% (1 Month USD LIBOR + 50 bps), 5/25/33 (144A) | 1,308,486 | ||||
5,451,669(d) | JP Morgan Seasoned Mortgage Trust, Series 2014-1, Class B1, 0.828% , 5/25/33 (144A) | 5,419,560 | ||||
5,081,820(d) | JP Morgan Seasoned Mortgage Trust, Series 2014-1, Class B2, 0.828% , 5/25/33 (144A) | 5,046,144 | ||||
3,917,637(d) | JP Morgan Seasoned Mortgage Trust, Series 2014-1, Class B3, 0.828% , 5/25/33 (144A) | 3,884,642 | ||||
290,698(d) | JP Morgan Trust, Series 2015-1, Class 1A14, 1.983% , 12/25/44 (144A) | 294,630 | ||||
4,511,760(a) | JPMorgan Chase Bank N.A. - CHASE, Series 2019-CL1, Class M1, 1.452% (1 Month USD LIBOR + 135 bps), 4/25/47 (144A) | 4,544,713 | ||||
18,227,115(a) | LSTAR Securities Investment, Ltd., Series 2019-3, Class A1, 2.602% (1 Month USD LIBOR + 250 bps), 4/1/24 (144A) | 18,216,363 | ||||
19,093,286(a) | LSTAR Securities Investment, Ltd., Series 2019-4, Class A1, 2.602% (1 Month USD LIBOR + 250 bps), 5/1/24 (144A) | 19,012,745 | ||||
9,153,838(a) | LSTAR Securities Investment, Ltd., Series 2021-1, Class A, 1.902% (1 Month USD LIBOR + 180 bps), 2/1/26 (144A) | 9,209,701 | ||||
9,848,889(a) | LSTAR Securities Investment, Ltd., Series 2021-2, Class A1, 1.802% (1 Month USD LIBOR + 170 bps), 3/2/26 (144A) | 9,898,385 | ||||
6,000,000(a) | Mello Warehouse Securitization Trust, Series 2020-2, Class G, 4.852% (1 Month USD LIBOR + 475 bps), 11/25/53 (144A) | 5,976,037 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2148
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Collateralized Mortgage Obligations—(continued) | ||||||
8,135(d) | Merrill Lynch Mortgage Investors Trust Series MLCC, Series 2003-G, Class A3, 1.74% , 1/25/29 | $ 8,261 | ||||
460,871(a) | Merrill Lynch Mortgage Investors Trust Series MLCC, Series 2003-H, Class A1, 0.742% (1 Month USD LIBOR + 64 bps), 1/25/29 | 444,935 | ||||
256,153(a) | Merrill Lynch Mortgage Investors Trust Series MLCC, Series 2004-B, Class A2, 0.792% (6 Month USD LIBOR + 54 bps), 5/25/29 | 256,589 | ||||
16,756(a) | Merrill Lynch Mortgage Investors Trust Series MLCC, Series 2004-C, Class A2B, 1.336% (6 Month USD LIBOR + 100 bps), 7/25/29 | 16,739 | ||||
83,676(d) | Merrill Lynch Mortgage Investors Trust Series MLCC, Series 2004-D, Class A3, 1.859% , 9/25/29 | 84,169 | ||||
1,026,461(d) | Morgan Stanley Residential Mortgage Loan Trust, Series 2014-1A, Class A1, 2.329% , 6/25/44 (144A) | 1,047,587 | ||||
2,564,000(d) | Morgan Stanley Residential Mortgage Loan Trust, Series 2014-1A, Class B4, 2.329% , 6/25/44 (144A) | 2,712,522 | ||||
7,975,000(a) | NewRez Warehouse Securitization Trust, Series 2021-1, Class E, 3.352% (1 Month USD LIBOR + 325 bps), 5/25/55 (144A) | 7,930,643 | ||||
5,893,993(a) | Oaktown Re II, Ltd., Series 2018-1A, Class M1, 1.652% (1 Month USD LIBOR + 155 bps), 7/25/28 (144A) | 5,893,996 | ||||
4,970,000(a) | Oaktown Re III, Ltd., Series 2019-1A, Class B1A, 3.602% (1 Month USD LIBOR + 350 bps), 7/25/29 (144A) | 4,883,897 | ||||
1,631,000(a) | Oaktown Re III, Ltd., Series 2019-1A, Class B1B, 4.452% (1 Month USD LIBOR + 435 bps), 7/25/29 (144A) | 1,586,591 | ||||
13,573,000(a) | Oaktown Re III, Ltd., Series 2019-1A, Class M1B, 2.052% (1 Month USD LIBOR + 195 bps), 7/25/29 (144A) | 13,573,015 | ||||
3,718,921(a) | Oaktown Re V, Ltd., Series 2020-2A, Class M1B, 3.708% (1 Month USD LIBOR + 360 bps), 10/25/30 (144A) | 3,728,094 | ||||
5,750,000(a) | Oaktown Re VI, Ltd., Series 2021-1A, Class M1B, 2.10% (SOFR30A + 205 bps), 10/25/33 (144A) | 5,782,156 | ||||
1,000,000(a) | Oaktown Re VI, Ltd., Series 2021-1A, Class M2, 4.00% (SOFR30A + 395 bps), 10/25/33 (144A) | 999,115 | ||||
716,454(a) | Pepper Residential Securities Trust, Series 21A, Class A1U, 0.988% (1 Month USD LIBOR + 88 bps), 1/16/60 (144A) | 717,146 |
49Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Collateralized Mortgage Obligations—(continued) | ||||||
1,545,420(a) | Pepper Residential Securities Trust No. 22, Series 22A, Class A1U, 1.104% (1 Month USD LIBOR + 100 bps), 6/20/60 (144A) | $ 1,544,912 | ||||
2,976,819(a) | Pepper Residential Securities Trust No. 25, Series 25A, Class A1U, 1.035% (1 Month USD LIBOR + 93 bps), 3/12/61 (144A) | 2,982,177 | ||||
6,900,000(a) | Provident Funding Mortgage Warehouse Securitization Trust, Series 2021-1, Class G, 5.602% (1 Month USD LIBOR + 550 bps), 2/25/55 (144A) | 6,900,000 | ||||
741,471(a) | Radnor Re, Ltd., Series 2018-1, Class M1, 1.508% (1 Month USD LIBOR + 140 bps), 3/25/28 (144A) | 741,754 | ||||
4,967,751(a) | Radnor Re, Ltd., Series 2019-1, Class M1B, 2.058% (1 Month USD LIBOR + 195 bps), 2/25/29 (144A) | 4,967,754 | ||||
14,530,326(a) | Radnor Re, Ltd., Series 2019-2, Class M1B, 1.852% (1 Month USD LIBOR + 175 bps), 6/25/29 (144A) | 14,530,338 | ||||
2,150,000(a) | Radnor Re, Ltd., Series 2020-1, Class M1C, 1.858% (1 Month USD LIBOR + 175 bps), 1/25/30 (144A) | 2,126,220 | ||||
602,419(a) | Radnor Re, Ltd., Series 2020-2, Class M1C, 4.708% (1 Month USD LIBOR + 460 bps), 10/25/30 (144A) | 602,420 | ||||
20,516,000(a) | Radnor Re, Ltd., Series 2021-1, Class M1C, 2.75% (SOFR30A + 270 bps), 12/27/33 (144A) | 20,229,223 | ||||
1,790,000(a) | Radnor Re, Ltd., Series 2021-1, Class M2, 3.20% (SOFR30A + 315 bps), 12/27/33 (144A) | 1,766,202 | ||||
14,760,000(a) | Radnor Re, Ltd., Series 2021-2, Class M1B, 3.748% (SOFR30A + 370 bps), 11/25/31 (144A) | 14,869,840 | ||||
1,339,611(a) | RESI Finance LP, Series 2003-CB1, Class B3, 1.551% (1 Month USD LIBOR + 145 bps), 6/10/35 (144A) | �� 1,206,114 | ||||
1,897,504(a) | Resimac MBS Trust, Series 2018-2A, Class A1A, 0.951% (1 Month USD LIBOR + 85 bps), 4/10/50 (144A) | 1,898,326 | ||||
644,234(a) | RESIMAC Premier Series, Series 2018-1A, Class A1, 0.901% (1 Month USD LIBOR + 80 bps), 11/10/49 (144A) | 644,169 | ||||
4,167,338(a) | RESIMAC Premier Series, Series 2019-2A, Class A1, 1.051% (1 Month USD LIBOR + 95 bps), 2/10/51 (144A) | 4,171,942 | ||||
2,648,330(a) | RESIMAC Premier Series, Series 2020-1A, Class A1A, 1.154% (1 Month USD LIBOR + 105 bps), 2/7/52 (144A) | 2,656,079 | ||||
3,792,837(d) | RMF Buyout Issuance Trust, Series 2021-HB1, Class A, 1.259% , 11/25/31 (144A) | 3,792,079 | ||||
7,747,796(a) | STACR Trust, Series 2018-HRP1, Class B1, 3.853% (1 Month USD LIBOR + 375 bps), 4/25/43 (144A) | 7,935,018 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2150
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Collateralized Mortgage Obligations—(continued) | ||||||
6,472,488(a) | STACR Trust, Series 2018-HRP1, Class M2, 1.753% (1 Month USD LIBOR + 165 bps), 4/25/43 (144A) | $ 6,474,432 | ||||
8,450,000(a) | STACR Trust, Series 2018-HRP2, Class M3, 2.508% (1 Month USD LIBOR + 240 bps), 2/25/47 (144A) | 8,583,518 | ||||
14,584,000(a) | STACR Trust, Series 2018-HRP2, Class M3AS, 1.103% (1 Month USD LIBOR + 100 bps), 2/25/47 (144A) | 14,541,879 | ||||
3,506,038(a) | Traingle Re, Ltd., Series 2020-1, Class M1B, 4.002% (1 Month USD LIBOR + 390 bps), 10/25/30 (144A) | 3,506,043 | ||||
4,360,000(a) | Traingle Re, Ltd., Series 2020-1, Class M1C, 4.608% (1 Month USD LIBOR + 450 bps), 10/25/30 (144A) | 4,369,360 | ||||
6,440,000(a) | Traingle Re, Ltd., Series 2021-1, Class M1C, 3.508% (1 Month USD LIBOR + 340 bps), 8/25/33 (144A) | 6,440,012 | ||||
8,170,000(a) | Traingle Re, Ltd., Series 2021-1, Class M2, 4.008% (1 Month USD LIBOR + 390 bps), 8/25/33 (144A) | 8,160,717 | ||||
7,880,000(a) | Triangle Re, Ltd., Series 2021-3, Class M1B, 2.95% (SOFR30A + 290 bps), 2/25/34 (144A) | 7,812,397 | ||||
2,875,000 | ZH Trust, Series 2021-1, Class A, 2.252% , 2/18/27 (144A) | 2,831,070 | ||||
1,000,000 | ZH Trust, Series 2021-1, Class B, 3.262% , 2/18/27 (144A) | 957,554 | ||||
4,715,000 | ZH Trust, Series 2021-2, Class B, 3.506% , 10/17/27 (144A) | 4,506,176 | ||||
Total Collateralized Mortgage Obligations (Cost $705,970,777) | $703,141,220 | |||||
Commercial Mortgage-Backed Securities—8.1% of Net Assets | ||||||
128,259(a) | ACRES Commercial Realty Corp., Series 2020-RSO8, Class A, 1.314% (SOFR30A + 126 bps), 3/15/35 (144A) | $ 128,299 | ||||
12,500,000(a) | Austin Fairmont Hotel Trust, Series 2019-FAIR, Class E, 2.36% (1 Month USD LIBOR + 225 bps), 9/15/32 (144A) | 12,189,071 | ||||
8,000,000(a) | BAMLL Commercial Mortgage Securities Trust, Series 2019-RLJ, Class C, 1.71% (1 Month USD LIBOR + 160 bps), 4/15/36 (144A) | 7,941,642 | ||||
5,250,000(a) | BDS, Series 2021-FL8, Class A, 1.024% (1 Month USD LIBOR + 92 bps), 1/18/36 (144A) | 5,218,857 | ||||
1,150,000(a) | BFLD Trust, Series 2020-OBRK, Class A, 2.16% (1 Month USD LIBOR + 205 bps), 11/15/28 (144A) | 1,150,898 | ||||
9,450,000(a) | BHP Trust, Series 2019-BXHP, Class D, 1.881% (1 Month USD LIBOR + 177 bps), 8/15/36 (144A) | 9,355,187 |
51Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Commercial Mortgage-Backed Securities—(continued) | ||||||
13,863,500(a) | BX Commercial Mortgage Trust, Series 2019-XL, Class G, 2.41% (1 Month USD LIBOR + 230 bps), 10/15/36 (144A) | $ 13,750,747 | ||||
12,000,000(a) | BX Commercial Mortgage Trust, Series 2021-CIP, Class B, 1.371% (1 Month USD LIBOR + 127 bps), 12/15/28 (144A) | 11,996,412 | ||||
5,200,000(a) | BX Commercial Mortgage Trust, Series 2021-XL2, Class D, 1.507% (1 Month USD LIBOR + 140 bps), 10/15/38 (144A) | 5,167,742 | ||||
5,000,000(a) | BX Commercial Mortgage Trust, Series 2021-XL2, Class J, 4.00% (1 Month USD LIBOR + 389 bps), 10/15/38 (144A) | 4,965,210 | ||||
9,300,000(a) | BX Trust, Series 2019-ATL, Class B, 1.497% (1 Month USD LIBOR + 139 bps), 10/15/36 (144A) | 9,229,951 | ||||
8,000,000(a) | BXP Trust, Series 2017-CQHP, Class B, 1.21% (1 Month USD LIBOR + 110 bps), 11/15/34 (144A) | 7,831,798 | ||||
2,171,167(a) | CG-CCRE Commercial Mortgage Trust, Series 2014-FL1, Class B, 1.26% (1 Month USD LIBOR + 115 bps), 6/15/31 (144A) | 2,122,199 | ||||
1,170,082(a) | CG-CCRE Commercial Mortgage Trust, Series 2014-FL2, Class A, 1.964% (1 Month USD LIBOR + 185 bps), 11/15/31 (144A) | 1,148,164 | ||||
10,000,000(a) | CGDB Commercial Mortgage Trust, Series 2019-MOB, Class C, 1.56% (1 Month USD LIBOR + 145 bps), 11/15/36 (144A) | 9,912,155 | ||||
5,700,000(a) | CGMS Commercial Mortgage Trust, Series 2017-MDRC, Class C, 1.41% (1 Month USD LIBOR + 130 bps), 7/15/30 (144A) | 5,636,782 | ||||
14,891,307(a) | CHC Commercial Mortgage Trust 2019, Series 2019-CHC, Class C, 1.86% (1 Month USD LIBOR + 175 bps), 6/15/34 (144A) | 14,760,417 | ||||
9,500,000(a) | CHT Mortgage Trust, Series 2017-CSMO, Class C, 1.61% (1 Month USD LIBOR + 150 bps), 11/15/36 (144A) | 9,494,158 | ||||
4,000,000(a) | CIM Retail Portfolio Trust, Series 2021-RETL, Class A, 1.51% (1 Month USD LIBOR + 140 bps), 8/15/36 (144A) | 3,989,932 | ||||
6,000,000(a) | CLNY Trust, Series 2019-IKPR, Class B, 1.588% (1 Month USD LIBOR + 148 bps), 11/15/38 (144A) | 5,984,909 | ||||
2,000,000(a) | CLNY Trust, Series 2019-IKPR, Class E, 2.827% (1 Month USD LIBOR + 272 bps), 11/15/38 (144A) | 1,974,916 | ||||
5,400,000(a) | Credit Suisse Commercial Mortgage Securities Corp., Series 2019-SKLZ, Class B, 2.01% (1 Month USD LIBOR + 190 bps), 1/15/34 (144A) | 5,364,864 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2152
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Commercial Mortgage-Backed Securities—(continued) | ||||||
10,000,000(a) | Credit Suisse Mortgage Capital Certificates, Series 2019-ICE4, Class E, 2.256% (1 Month USD LIBOR + 215 bps), 5/15/36 (144A) | $ 9,990,262 | ||||
1,510,364(a) | Freddie Mac Multifamily Structured Credit Risk, Series 2021-MN1, Class M1, 2.05% (SOFR30A + 200 bps), 1/25/51 (144A) | 1,502,953 | ||||
8,000,000(a) | Great Wolf Trust, Series 2019-WOLF, Class D, 2.043% (1 Month USD LIBOR + 193 bps), 12/15/36 (144A) | 7,899,546 | ||||
3,500,000(a) | GS Mortgage Securities Corp. Trust, Series 2017-STAY, Class B, 1.71% (1 Month USD LIBOR + 160 bps), 7/15/32 (144A) | 3,506,437 | ||||
10,900,000(a) | GS Mortgage Securities Corp. Trust, Series 2018-TWR, Class A, 1.01% (1 Month USD LIBOR + 90 bps), 7/15/31 (144A) | 10,872,353 | ||||
11,000,000(a) | GS Mortgage Securities Corp. Trust, Series 2019-70P, Class D, 1.86% (1 Month USD LIBOR + 175 bps), 10/15/36 (144A) | 10,558,119 | ||||
7,400,000(a) | GS Mortgage Securities Corp. Trust, Series 2019-SMP, Class D, 2.06% (1 Month USD LIBOR + 195 bps), 8/15/32 (144A) | 7,288,444 | ||||
10,000,000(a) | GS Mortgage Securities Corp. Trust, Series 2020-DUNE, Class A, 1.21% (1 Month USD LIBOR + 110 bps), 12/15/36 (144A) | 9,989,063 | ||||
9,000,000(a) | GS Mortgage Securities Corp. Trust, Series 2020-DUNE, Class E, 2.606% (1 Month USD LIBOR + 250 bps), 12/15/36 (144A) | 8,817,913 | ||||
1,100,000(a) | GS Mortgage Securities Corp. Trust, Series 2021-IP, Class E, 3.656% (1 Month USD LIBOR + 355 bps), 10/15/36 (144A) | 1,098,252 | ||||
4,300,000(a) | GS Mortgage Securities Trust, Series 2018-HART, Class A, 1.20% (1 Month USD LIBOR + 109 bps), 10/15/31 (144A) | 4,297,573 | ||||
9,729,000(a) | GS Mortgage Securities Trust, Series 2018-HART, Class B, 1.41% (1 Month USD LIBOR + 130 bps), 10/15/31 (144A) | 9,582,164 | ||||
8,135,347(a) | HPLY Trust, Series 2019-HIT, Class C, 1.71% (1 Month USD LIBOR + 160 bps), 11/15/36 (144A) | 8,053,658 | ||||
4,665,000(a) | InTown Hotel Portfolio Trust, Series 2018-STAY, Class A, 1.06% (1 Month USD LIBOR + 95 bps), 1/15/33 (144A) | 4,659,232 | ||||
4,230,000(a) | InTown Hotel Portfolio Trust, Series 2018-STAY, Class B, 1.41% (1 Month USD LIBOR + 130 bps), 1/15/33 (144A) | 4,224,770 |
53Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Commercial Mortgage-Backed Securities—(continued) | ||||||
2,800,000(a) | JP Morgan Chase Commercial Mortgage Securities Trust, Series 2018-WPT, Class BFL, 1.604% (1 Month USD LIBOR + 150 bps), 7/5/33 (144A) | $ 2,802,617 | ||||
4,000,000(a) | JP Morgan Chase Commercial Mortgage Securities Trust, Series 2018-WPT, Class CFL, 2.004% (1 Month USD LIBOR + 190 bps), 7/5/33 (144A) | 4,004,322 | ||||
3,600,000(a) | JP Morgan Chase Commercial Mortgage Securities Trust, Series 2019-BKWD, Class C, 1.71% (1 Month USD LIBOR + 160 bps), 9/15/29 (144A) | 3,536,627 | ||||
1,650,000(a) | JP Morgan Chase Commercial Mortgage Securities Trust, Series 2019-BKWD, Class E, 2.706% (1 Month USD LIBOR + 260 bps), 9/15/29 (144A) | 1,598,259 | ||||
10,300,000(a) | JP Morgan Chase Commercial Mortgage Securities Trust, Series 2019-MFP, Class E, 2.266% (1 Month USD LIBOR + 216 bps), 7/15/36 (144A) | 10,107,911 | ||||
6,735,000(a) | JP Morgan Chase Commercial Mortgage Securities Trust, Series 2020-609M, Class A, 1.48% (1 Month USD LIBOR + 137 bps), 10/15/33 (144A) | 6,732,882 | ||||
8,050,000(a) | MBRT, Series 2019-MBR, Class B, 1.51% (1 Month USD LIBOR + 140 bps), 11/15/36 (144A) | 8,019,644 | ||||
1,320,508(d) | Morgan Stanley Capital I Trust, Series 2007-T25, Class AJ, 5.574% , 11/12/49 | 990,381 | ||||
8,500,000(a) | Morgan Stanley Capital I Trust, Series 2017-ASHF, Class B, 1.36% (1 Month USD LIBOR + 125 bps), 11/15/34 (144A) | 8,478,075 | ||||
8,250,000(a) | Morgan Stanley Capital I Trust, Series 2017-CLS, Class C, 1.11% (1 Month USD LIBOR + 100 bps), 11/15/34 (144A) | 8,242,535 | ||||
9,610,247(a) | Morgan Stanley Capital I Trust, Series 2018-BOP, Class B, 1.36% (1 Month USD LIBOR + 125 bps), 8/15/33 (144A) | 9,586,978 | ||||
5,220,000(a) | MTRO Commercial Mortgage Trust, Series 2019-TECH, Class C, 1.41% (1 Month USD LIBOR + 130 bps), 12/15/33 (144A) | 5,104,393 | ||||
2,510,356(a) | Natixis Commercial Mortgage Securities Trust, Series 2018-FL1, Class MCR1, 2.46% (1 Month USD LIBOR + 235 bps), 6/15/35 (144A) | 2,481,803 | ||||
11,500,000(a) | Natixis Commercial Mortgage Securities Trust, Series 2019-MILE, Class B, 1.91% (1 Month USD LIBOR + 180 bps), 7/15/36 (144A) | 11,488,316 | ||||
4,500,000(a) | Ready Capital Mortgage Financing LLC, Series 2021-FL6, Class A, 1.042% (1 Month USD LIBOR + 95 bps), 7/25/36 (144A) | 4,471,873 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2154
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Commercial Mortgage-Backed Securities—(continued) | ||||||
2,175,000(a) | Ready Capital Mortgage Financing LLC, Series 2021-FL6, Class D, 2.492% (1 Month USD LIBOR + 240 bps), 7/25/36 (144A) | $ 2,145,099 | ||||
1,519,000(a) | Ready Capital Mortgage Financing LLC, Series 2021-FL6, Class E, 2.992% (1 Month USD LIBOR + 290 bps), 7/25/36 (144A) | 1,499,347 | ||||
4,825,000(a) | Ready Capital Mortgage Financing LLC, Series 2021-FL7, Class D, 3.052% (1 Month USD LIBOR + 295 bps), 11/25/36 (144A) | 4,816,080 | ||||
6,757,033(a) | SLIDE, Series 2018-FUN, Class B, 1.61% (1 Month USD LIBOR + 150 bps), 6/15/31 (144A) | 6,705,960 | ||||
586,620(d) | Sutherland Commercial Mortgage Loans, Series 2017-SBC6, Class A, 3.192% , 5/25/37 (144A) | 584,310 | ||||
4,374,433(a) | Tharaldson Hotel Portfolio Trust, Series 2018-THL, Class C, 1.754% (1 Month USD LIBOR + 165 bps), 11/11/34 (144A) | 4,341,487 | ||||
9,038,000 | UBS-Barclays Commercial Mortgage Trust, Series 2012-C2, Class A4, 3.525% , 5/10/63 | 9,065,386 | ||||
310,938(d) | WaMu Commercial Mortgage Securities Trust, Series 2006-SL1, Class C, 1.567% , 11/23/43 (144A) | 310,559 | ||||
12,800,000(a) | Wells Fargo Commercial Mortgage Trust, Series 2017-SMP, Class C, 1.435% (1 Month USD LIBOR + 133 bps), 12/15/34 (144A) | 12,757,577 | ||||
14,200,000(a) | XCALI Mortgage Trust, Series 2020-1, Class A, 4.05% (1 Month USD LIBOR + 240 bps), 1/22/23 (144A) | 14,229,912 | ||||
13,500,000(a) | XCALI Mortgage Trust, Series 2020-2, Class A, 4.05% (1 Month USD LIBOR + 200 bps), 2/7/23 (144A) | 13,529,865 | ||||
4,375,000(a) | XCALI Mortgage Trust, Series 2020-5, Class A, 4.25% (1 Month USD LIBOR + 325 bps), 10/15/23 (144A) | 4,397,897 | ||||
Total Commercial Mortgage-Backed Securities (Cost $416,939,342) | $413,685,144 | |||||
Corporate Bonds — 28.9% of Net Assets | ||||||
Aerospace & Defense — 0.2% | ||||||
10,000,000 | Boeing Co., 1.167%, 2/4/23 | $ 10,001,250 | ||||
Total Aerospace & Defense | $10,001,250 | |||||
Auto Manufacturers — 2.9% | ||||||
6,575,000(a) | American Honda Finance Corp., 0.401% (3 Month USD LIBOR + 28 bps), 1/12/24 | $ 6,580,373 | ||||
3,960,000(a) | American Honda Finance Corp., 0.516% (3 Month USD LIBOR + 37 bps), 5/10/23 | 3,966,403 | ||||
9,190,000(a) | American Honda Finance Corp., 0.76% (3 Month USD LIBOR + 54 bps), 6/27/22 | 9,207,760 |
55Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Auto Manufacturers — (continued) | ||||||
12,323,000(a) | BMW US Capital LLC, 0.58% (SOFRRATE + 53 bps), 4/1/24 (144A) | $ 12,387,124 | ||||
9,467,000 | Daimler Finance North America LLC, 2.85%, 1/6/22 (144A) | 9,468,494 | ||||
15,000,000 | Daimler Finance North America LLC, 3.40%, 2/22/22 (144A) | 15,061,132 | ||||
16,000,000(a) | Daimler Trucks Finance North America LLC, 0.65% (SOFRRATE + 60 bps), 12/14/23 (144A) | 16,011,680 | ||||
18,670,000(a) | General Motors Financial Co., Inc., 0.669% (SOFRRATE + 62 bps), 10/15/24 | 18,655,271 | ||||
6,360,000(a) | General Motors Financial Co., Inc., 0.81% (SOFRRATE + 76 bps), 3/8/24 | 6,388,143 | ||||
11,000,000(a) | Nissan Motor Acceptance Co. LLC, 0.83% (3 Month USD LIBOR + 64 bps), 3/8/24 (144A) | 10,997,618 | ||||
17,904,000(a) | Toyota Motor Credit Corp., 0.369% (SOFRRATE + 32 bps), 4/6/23 | 17,897,211 | ||||
11,000,000(a) | Toyota Motor Credit Corp., 0.379% (SOFRRATE + 33 bps), 1/11/24 | 10,996,181 | ||||
11,705,000 | Volkswagen Group of America Finance LLC, 2.90%, 5/13/22 (144A) | 11,800,478 | ||||
Total Auto Manufacturers | $149,417,868 | |||||
Banks — 16.9% | ||||||
5,600,000(a) | Banco Santander SA, 1.254% (3 Month USD LIBOR + 109 bps), 2/23/23 | $ 5,647,673 | ||||
7,200,000(a) | Banco Santander SA, 1.681% (3 Month USD LIBOR + 156 bps), 4/11/22 | 7,225,642 | ||||
5,700,000(a) | Bank of America Corp., 0.593% (3 Month Bloomberg Short-Term Bank Yield Index + 43 bps), 5/28/24 | 5,700,028 | ||||
9,450,000(a) | Bank of America Corp., 0.78% (SOFRRATE + 73 bps), 10/24/24 | 9,500,042 | ||||
23,289,000(a) | Bank of America Corp., 0.97% (3 Month USD LIBOR + 79 bps), 3/5/24 | 23,406,015 | ||||
5,237,000(a) | Bank of America Corp., 1.124% (3 Month USD LIBOR + 100 bps), 4/24/23 | 5,249,180 | ||||
7,468,000(a) | Bank of America Corp., 1.292% (3 Month USD LIBOR + 116 bps), 1/20/23 | 7,458,722 | ||||
14,760,000(a) | Bank of Montreal, 0.315% (SOFRRATE + 27 bps), 9/15/23 | �� 14,740,107 | ||||
12,000,000(a) | Bank of Montreal, 0.369% (SOFRRATE + 32 bps), 7/9/24 | 11,984,803 | ||||
16,000,000(a) | Bank of Montreal, 0.40% (SOFRRATE + 35 bps), 12/8/23 | 16,000,110 | ||||
3,185,000(a) | Bank of Montreal, 0.73% (SOFRRATE + 68 bps), 3/10/23 | 3,200,189 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2156
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Banks — (continued) | ||||||
9,200,000(a) | Bank of Nova Scotia, 0.494% (SOFRRATE + 45 bps), 4/15/24 | $ 9,209,580 | ||||
15,240,000(a) | Banque Federative du Credit Mutuel SA, 0.862% (3 Month USD LIBOR + 73 bps), 7/20/22 (144A) | 15,298,705 | ||||
2,620,000(a) | Banque Federative du Credit Mutuel SA, 1.092% (3 Month USD LIBOR + 96 bps), 7/20/23 (144A) | 2,650,944 | ||||
5,125,000 | Banque Federative du Credit Mutuel SA, 2.125%, 11/21/22 (144A) | 5,196,177 | ||||
12,008,000(a) | Barclays Plc, 1.586% (3 Month USD LIBOR + 143 bps), 2/15/23 | 12,022,103 | ||||
6,050,000(a) | Barclays Plc, 1.746% (3 Month USD LIBOR + 163 bps), 1/10/23 | 6,051,297 | ||||
7,980,000 | BNP Paribas SA, 2.95%, 5/23/22 (144A) | 8,057,181 | ||||
18,956,000(a) | BPCE SA, 1.38% (3 Month USD LIBOR + 122 bps), 5/22/22 (144A) | 19,031,982 | ||||
13,207,000 | BPCE SA, 3.00%, 5/22/22 (144A) | 13,332,255 | ||||
18,400,000(a) | Canadian Imperial Bank of Commerce, 0.45% (SOFRRATE + 40 bps), 12/14/23 | 18,384,579 | ||||
10,900,000(a) | Citigroup, Inc., 0.719% (SOFRRATE + 67 bps), 5/1/25 | 10,975,918 | ||||
9,645,000(a) | Citigroup, Inc., 0.824% (3 Month USD LIBOR + 69 bps), 10/27/22 | 9,684,440 | ||||
16,729,000(a) | Citigroup, Inc., 1.084% (3 Month USD LIBOR + 96 bps), 4/25/22 | 16,757,812 | ||||
2,350,000(a) | Cooperatieve Rabobank UA, 0.604% (3 Month USD LIBOR + 48 bps), 1/10/23 | 2,357,093 | ||||
10,000,000(a) | Credit Suisse AG, 0.44% (SOFRRATE + 39 bps), 2/2/24 | 9,972,835 | ||||
6,340,000(a) | Credit Suisse AG, 0.50% (SOFRRATE + 45 bps), 2/4/22 | 6,341,146 | ||||
19,085,000(a) | Credit Suisse AG 0, 0.43% (SOFRRATE + 38 bps), 8/9/23 | 19,084,981 | ||||
10,765,000(a) | Credit Suisse Group AG, 1.398% (3 Month USD LIBOR + 120 bps), 12/14/23 (144A) | 10,846,956 | ||||
6,457,000 | Danske Bank A/S, 2.70%, 3/2/22 (144A) | 6,481,683 | ||||
7,000,000(a) | Federation des Caisses Desjardins du Quebec, 0.48% (SOFRRATE + 43 bps), 5/21/24 (144A) | 7,008,068 | ||||
13,880,000(a) | Goldman Sachs Group, Inc., 0.539% (SOFRRATE + 49 bps), 10/21/24 | 13,833,270 | ||||
20,725,000(a) | Goldman Sachs Group, Inc., 0.55% (SOFRRATE + 50 bps), 9/10/24 | 20,697,060 | ||||
8,502,000(a) | Goldman Sachs Group, Inc. 0, 0.59% (SOFRRATE + 54 bps), 11/17/23 | 8,502,764 | ||||
10,000,000(a) | HSBC Holdings Plc, 0.63% (SOFRRATE + 58 bps), 11/22/24 | 9,994,244 |
57Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Banks — (continued) | ||||||
20,000,000 | ING Groep NV, 3.15%, 3/29/22 | $ 20,130,752 | ||||
4,650,000 | Intesa Sanpaolo S.p.A., 3.125%, 7/14/22 (144A) | 4,702,931 | ||||
8,000,000(a) | JPMorgan Chase & Co., 0.585% (SOFRRATE + 54 bps), 6/1/25 | 8,008,541 | ||||
11,800,000(a) | JPMorgan Chase & Co., 0.854% (3 Month USD LIBOR + 73 bps), 4/23/24 | 11,859,767 | ||||
10,150,000(a) | JPMorgan Chase & Co., 1.024% (3 Month USD LIBOR + 90 bps), 4/25/23 | 10,172,477 | ||||
11,294,000(a) | KeyBank NA, 0.39% (SOFRRATE + 34 bps), 1/3/24 | 11,282,560 | ||||
2,905,000(a) | KeyBank NA, 0.792% (3 Month USD LIBOR + 66 bps), 2/1/22 | 2,906,277 | ||||
15,450,000 | Lloyds Banking Group Plc, 3.00%, 1/11/22 | 15,458,131 | ||||
13,975,000(a) | Macquarie Group, Ltd., 0.759% (SOFRRATE + 71 bps), 10/14/25 (144A) | 13,990,512 | ||||
3,000,000(a) | Mitsubishi UFJ Financial Group, Inc., 0.888% (3 Month USD LIBOR + 70 bps), 3/7/22 | 3,002,514 | ||||
25,302,000(a) | Mitsubishi UFJ Financial Group, Inc., 0.914% (3 Month USD LIBOR + 79 bps), 7/25/22 | 25,397,064 | ||||
9,490,000 | Mitsubishi UFJ Financial Group, Inc., 2.623%, 7/18/22 | 9,598,027 | ||||
6,295,000(a) | Mizuho Financial Group, Inc., 1.051% (3 Month USD LIBOR + 85 bps), 9/13/23 | 6,318,130 | ||||
7,505,000(a) | Mizuho Financial Group, Inc., 1.081% (3 Month USD LIBOR + 88 bps), 9/11/22 | 7,539,246 | ||||
14,679,000(a) | Mizuho Financial Group, Inc., 1.116% (3 Month USD LIBOR + 94 bps), 2/28/22 | 14,697,698 | ||||
23,460,000 | Morgan Stanley, 2.75%, 5/19/22 | 23,669,967 | ||||
13,500,000 | Morgan Stanley, 3.75%, 2/25/23 | 13,963,849 | ||||
15,000,000(a) | National Bank of Canada, 0.54% (SOFRRATE + 49 bps), 8/6/24 | 15,031,238 | ||||
8,790,000(a) | NatWest Group Plc, 1.626% (3 Month USD LIBOR + 147 bps), 5/15/23 | 8,827,270 | ||||
4,200,000(a) | NatWest Markets Plc, 0.58% (SOFRRATE + 53 bps), 8/12/24 (144A) | 4,200,219 | ||||
9,315,000 | NatWest Markets Plc, 3.625%, 9/29/22 (144A) | 9,522,847 | ||||
15,000,000 | Nordea Bank Abp, 4.25%, 9/21/22 (144A) | 15,370,720 | ||||
13,159,000(a) | PNC Bank NA, 0.634% (3 Month USD LIBOR + 50 bps), 7/27/22 | 13,181,686 | ||||
22,000,000(a) | Royal Bank of Canada, 0.349% (SOFRRATE + 30 bps), 1/19/24 | 21,974,174 | ||||
12,310,000(a) | Royal Bank of Canada, 0.599% (3 Month USD LIBOR + 47 bps), 4/29/22 | 12,317,783 | ||||
15,252,000(a) | Skandinaviska Enskilda Banken AB, 0.846% (3 Month USD LIBOR + 65 bps), 12/12/22 (144A) | 15,325,738 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2158
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Banks — (continued) | ||||||
8,880,000(a) | Standard Chartered Plc, 0.98% (SOFRRATE + 93 bps), 11/23/25 (144A) | $ 8,882,540 | ||||
3,290,000(a) | Standard Chartered Plc, 1.299% (SOFRRATE + 125 bps), 10/14/23 (144A) | 3,311,802 | ||||
4,232,000(a) | Sumitomo Mitsui Financial Group, Inc., 0.862% (3 Month USD LIBOR + 74 bps), 10/18/22 | 4,252,050 | ||||
22,118,000(a) | Sumitomo Mitsui Financial Group, Inc., 0.901% (3 Month USD LIBOR + 78 bps), 7/12/22 | 22,185,866 | ||||
12,220,000(a) | Sumitomo Mitsui Trust Bank, Ltd., 0.49% (SOFRRATE + 44 bps), 9/16/24 (144A) | 12,200,076 | ||||
9,825,000(a) | Toronto-Dominion Bank, 0.40% (SOFRRATE + 35 bps), 9/10/24 | 9,824,999 | ||||
5,265,000(a) | Toronto-Dominion Bank, 0.701% (3 Month USD LIBOR + 53 bps), 12/1/22 | 5,289,817 | ||||
1,000,000(a) | Toronto-Dominion Bank, 0.764% (3 Month USD LIBOR + 64 bps), 7/19/23 | 1,007,551 | ||||
9,000,000(a) | Truist Bank, 0.249% (SOFRRATE + 20 bps), 1/17/24 | 8,964,504 | ||||
25,014,000(a) | Truist Bank, 0.748% (3 Month USD LIBOR + 59 bps), 5/17/22 | 25,051,709 | ||||
10,800,000(a) | UBS AG, 0.37% (SOFRRATE + 32 bps), 6/1/23 (144A) | 10,795,392 | ||||
5,800,000(a) | UBS AG, 0.41% (SOFRRATE + 36 bps), 2/9/24 (144A) | 5,796,172 | ||||
8,110,000 | UBS AG/Stamford CT, 7.625%, 8/17/22 | 8,423,149 | ||||
16,208,000(a) | UBS Group AG, 1.662% (3 Month USD LIBOR + 153 bps), 2/1/22 (144A) | 16,226,208 | ||||
17,391,000 | UniCredit S.p.A., 3.75%, 4/12/22 (144A) | 17,522,362 | ||||
5,332,000(a) | Wells Fargo & Co., 1.234% (3 Month USD LIBOR + 111 bps), 1/24/23 | 5,334,815 | ||||
Total Banks | $855,404,714 | |||||
Commercial Services — 0.2% | ||||||
9,290,000 | ERAC USA Finance LLC, 3.30%, 10/15/22 (144A) | $ 9,482,935 | ||||
Total Commercial Services | $9,482,935 | |||||
Diversified Financial Services — 1.7% | ||||||
6,500,000(a) | AerCap Ireland Capital DAC/AerCap Global Aviation Trust, 0.73% (SOFRRATE + 68 bps), 9/29/23 | $ 6,501,146 | ||||
4,544,000 | AerCap Ireland Capital DAC/AerCap Global Aviation Trust, 4.625%, 7/1/22 | 4,632,609 | ||||
15,735,000(a) | Air Lease Corp., 0.553% (3 Month USD LIBOR + 35 bps), 12/15/22 | 15,724,212 | ||||
23,740,000(a) | American Express Co., 0.742% (3 Month USD LIBOR + 61 bps), 8/1/22 | 23,782,068 |
59Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Diversified Financial Services — (continued) | ||||||
16,000,000(a) | Capital One Financial Corp., 0.74% (SOFRRATE + 69 bps), 12/6/24 | $ 15,994,368 | ||||
20,096,000 | Charles Schwab Corp., 2.65%, 1/25/23 | 20,468,760 | ||||
1,000,000(a) | OWS Cre Funding I LLC, 5.006% (1 Month USD LIBOR + 490 bps), 9/1/23 (144A) | 1,005,431 | ||||
Total Diversified Financial Services | $88,108,594 | |||||
Electric — 1.7% | ||||||
6,440,000(a) | American Electric Power Co., Inc. Series A, 0.612% (3 Month USD LIBOR + 48 bps), 11/1/23 | $ 6,440,584 | ||||
7,600,000(a) | CenterPoint Energy, Inc., 0.70% (SOFRRATE + 65 bps), 5/13/24 | 7,601,968 | ||||
9,175,000(a) | Dominion Energy, Inc. Series D, 0.733% (3 Month USD LIBOR + 53 bps), 9/15/23 | 9,166,809 | ||||
15,000,000 | Eversource Energy Series K, 2.75%, 3/15/22 | 15,040,388 | ||||
1,863,000(a) | Eversource Energy Series T, 0.30% (SOFRRATE + 25 bps), 8/15/23 | 1,861,419 | ||||
11,360,000(a) | Florida Power & Light Co., 0.30% (SOFRRATE + 25 bps), 5/10/23 | 11,327,102 | ||||
6,500,000(a) | NextEra Energy Capital Holdings, Inc., 0.45% (SOFRRATE + 40 bps), 11/3/23 | 6,500,780 | ||||
8,461,000(a) | NextEra Energy Capital Holdings, Inc., 0.59% (SOFRRATE + 54 bps), 3/1/23 | 8,473,787 | ||||
4,780,000 | Niagara Mohawk Power Corp., 2.721%, 11/28/22 (144A) | 4,861,705 | ||||
6,545,000 | Public Service Enterprise Group, Inc., 0.841%, 11/8/23 | 6,520,808 | ||||
3,253,000 | Public Service Enterprise Group, Inc., 2.65%, 11/15/22 | 3,299,012 | ||||
7,000,000(a) | Southern Co. Series 2021, 0.42% (SOFRRATE + 37 bps), 5/10/23 | 6,983,748 | ||||
Total Electric | $88,078,110 | |||||
Healthcare-Products — 0.1% | ||||||
7,224,000(a) | Thermo Fisher Scientific, Inc., 0.579% (SOFRRATE + 53 bps), 10/18/24 | $ 7,233,799 | ||||
Total Healthcare-Products | $7,233,799 | |||||
Healthcare-Services — 0.5% | ||||||
15,000,000 | Aetna, Inc., 2.75%, 11/15/22 | $ 15,195,143 | ||||
9,631,000 | Anthem, Inc., 0.45%, 3/15/23 | 9,592,225 | ||||
Total Healthcare-Services | $24,787,368 | |||||
Insurance — 0.9% | ||||||
1(e) | Ambac Assurance Corp., 5.10% (144A) | $ 1 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2160
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Insurance — (continued) | ||||||
3,502,000 | Aon Corp., 2.20%, 11/15/22 | $ 3,547,179 | ||||
13,700,000(a) | Athene Global Funding, 0.61% (SOFRRATE + 56 bps), 8/19/24 (144A) | 13,696,222 | ||||
5,365,000(a) | Metropolitan Life Global Funding I, 0.619% (SOFRRATE + 57 bps), 1/13/23 (144A) | 5,385,816 | ||||
9,350,000(a) | Northwestern Mutual Global Funding, 0.38% (SOFRRATE + 33 bps), 3/25/24 (144A) | 9,342,333 | ||||
5,400,000(a) | Principal Life Global Funding II, 0.43% (SOFRRATE + 38 bps), 8/23/24 (144A) | 5,394,245 | ||||
6,500,000(a) | Principal Life Global Funding II, 0.499% (SOFRRATE + 45 bps), 4/12/24 (144A) | 6,501,488 | ||||
Total Insurance | $43,867,284 | |||||
Lodging — 0.1% | ||||||
4,660,000(a) | Hyatt Hotels Corp., 1.10% (SOFRRATE + 105 bps), 10/1/23 | $ 4,673,457 | ||||
Total Lodging | $4,673,457 | |||||
Machinery-Construction & Mining — 0.4% | ||||||
11,567,000(a) | Caterpillar Financial Services Corp., 0.295% (SOFRRATE + 25 bps), 5/17/24 | $ 11,562,860 | ||||
9,091,000(a) | Caterpillar Financial Services Corp., 0.891% (3 Month USD LIBOR + 74 bps), 5/13/22 | 9,110,421 | ||||
Total Machinery-Construction & Mining | $20,673,281 | |||||
Media — 0.2% | ||||||
9,910,000(a) | Walt Disney Co., 0.561% (3 Month USD LIBOR + 39 bps), 9/1/22 | $ 9,925,267 | ||||
Total Media | $9,925,267 | |||||
Oil & Gas — 0.7% | ||||||
2,775,000(a) | BP Capital Markets Plc, 0.864% (3 Month USD LIBOR + 65 bps), 9/19/22 | $ 2,783,711 | ||||
3,745,000 | Canadian Natural Resources, Ltd., 2.95%, 1/15/23 | 3,816,533 | ||||
2,295,000(a) | Chevron Corp., 0.705% (3 Month USD LIBOR + 53 bps), 3/3/22 | 2,296,467 | ||||
16,885,000(a) | Chevron Corp., 1.05% (3 Month USD LIBOR + 90 bps), 5/11/23 | 17,049,456 | ||||
11,405,000(a) | Exxon Mobil Corp., 0.485% (3 Month USD LIBOR + 33 bps), 8/16/22 | 11,422,622 | ||||
Total Oil & Gas | $37,368,789 | |||||
Pharmaceuticals — 1.7% | ||||||
17,080,000(a) | AbbVie, Inc., 0.81% (3 Month USD LIBOR + 65 bps), 11/21/22 | $ 17,143,311 | ||||
15,240,000 | AbbVie, Inc., 3.45%, 3/15/22 | 15,253,943 |
61Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Pharmaceuticals — (continued) | ||||||
5,890,000 | AmerisourceBergen Corp., 0.737%, 3/15/23 | $ 5,875,021 | ||||
16,557,000(a) | Becton Dickinson and Co., 1.21% (3 Month USD LIBOR + 103 bps), 6/6/22 | 16,614,487 | ||||
24,416,000(a) | Cardinal Health, Inc., 0.973% (3 Month USD LIBOR + 77 bps), 6/15/22 | 24,475,089 | ||||
4,274,000 | Zoetis, Inc., 3.25%, 2/1/23 | 4,355,484 | ||||
Total Pharmaceuticals | $83,717,335 | |||||
Pipelines — 0.4% | ||||||
15,201,000 | Enbridge, Inc., 2.90%, 7/15/22 | $ 15,351,057 | ||||
5,851,000 | Energy Transfer LP, 3.60%, 2/1/23 | 5,964,811 | ||||
Total Pipelines | $21,315,868 | |||||
Semiconductors — 0.2% | ||||||
4,180,000(a) | Analog Devices, Inc., 0.30% (SOFRRATE + 25 bps), 10/1/24 | $ 4,184,051 | ||||
4,600,000 | Skyworks Solutions, Inc., 0.90%, 6/1/23 | 4,576,708 | ||||
Total Semiconductors | $8,760,759 | |||||
Telecommunications — 0.1% | ||||||
5,471,000(a) | Verizon Communications, Inc., 0.55% (SOFRRATE + 50 bps), 3/22/24 | $ 5,492,132 | ||||
Total Telecommunications | $5,492,132 | |||||
Total Corporate Bonds (Cost $1,473,485,053) | $1,468,308,810 | |||||
Insurance-Linked Securities — 2.8% of Net Assets# | ||||||
Event Linked Bonds — 1.8% | ||||||
Earthquakes – California — 0.1% | ||||||
2,000,000(a) | Phoenician Re, 2.657%, (3 Month U.S. Treasury Bill + 250 bps), 12/14/24 (144A) | $ 1,998,000 | ||||
750,000(a) | Ursa Re, 5.78%, (3 Month U.S. Treasury Bill + 575 bps), 12/10/22 (144A) | 761,100 | ||||
4,000,000(a) | Ursa Re II, 3.907%, (3 Month U.S. Treasury Bill + 375 bps), 12/7/23 (144A) | 4,088,800 | ||||
$6,847,900 | ||||||
Earthquakes – Mexico — 0.0%† | ||||||
500,000(a) | International Bank for Reconstruction & Development, 3.621%, (3 Month USD LIBOR + 350 bps), 3/13/24 (144A) | $ 505,950 | ||||
Earthquakes - U.S. — 0.0%† | ||||||
1,000,000(a) | Torrey Pines Re Pte, Ltd., 4.03%, (3 Month U.S. Treasury Bill + 400 bps), 6/7/24 (144A) | $ 1,003,800 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2162
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Earthquakes - U.S. & Canada — 0.0%† | ||||||
2,500,000(a) | Acorn Re, 2.53%, (3 Month U.S. Treasury Bill + 250 bps), 11/7/24 (144A) | $ 2,497,750 | ||||
Flood - U.S. — 0.0%† | ||||||
500,000(a) | FloodSmart Re, 11.987%, (1 Month U.S. Treasury Bill + 1183 bps), 3/7/22 (144A) | $ 506,250 | ||||
Health – U.S. — 0.1% | ||||||
3,500,000(a) | Vitality Re X, 1.907%, (3 Month U.S. Treasury Bill + 175 bps), 1/10/23 (144A) | $ 3,429,300 | ||||
Multiperil – Florida — 0.0%† | ||||||
250,000(a) | Sanders Re II, 5.587%, (3 Month U.S. Treasury Bill + 543 bps), 6/7/23 (144A) | $ 256,475 | ||||
Multiperil - Japan — 0.0%† | ||||||
500,000(a) | Akibare Re, 2.134%, (3 Month USD LIBOR + 193 bps), 4/7/22 (144A) | $ 499,950 | ||||
250,000(a) | Akibare Re, 2.114%, (3 Month USD LIBOR + 190 bps), 4/7/22 (144A) | 249,975 | ||||
$749,925 | ||||||
Multiperil - Texas — 0.0%† | ||||||
1,000,000(a) | Alamo Re, 5.197%, (1 Month U.S. Treasury Bill + 504 bps), 6/8/22 (144A) | $ 1,010,600 | ||||
Multiperil – U.S. — 0.6% | ||||||
1,500,000(a) | Bonanza Re, 4.90%, (3 Month U.S. Treasury Bill + 487 bps), 2/20/24 (144A) | $ 1,527,600 | ||||
500,000(a) | Caelus Re V, 0.53%, (3 Month U.S. Treasury Bill + 50 bps), 6/9/25 (144A) | 400,000 | ||||
125,000(a) | Caelus Re V, 0.257%, (1 Month U.S. Treasury Bill + 10 bps), 6/5/24 (144A) | 87,500 | ||||
750,000(a) | Caelus Re V, 0.13%, (3 Month U.S. Treasury Bill + 10 bps), 6/9/25 (144A) | 7,500 | ||||
750,000(a) | Caelus Re VI, 5.41%, (3 Month U.S. Treasury Bill + 538 bps), 6/7/24 (144A) | 779,175 | ||||
4,500,000(a) | Easton Re Pte, 4.147%, (3 Month U.S. Treasury Bill + 400 bps), 1/8/24 (144A) | 4,531,950 | ||||
1,750,000(a) | Four Lakes Re, 7.157%, (3 Month U.S. Treasury Bill + 700 bps), 1/5/24 (144A) | 1,759,625 | ||||
2,000,000(a) | Four Lakes Re, 4.907%, (3 Month U.S. Treasury Bill + 475 bps), 1/7/25 (144A) | 1,999,800 | ||||
500,000(a) | Herbie Re, Ltd., 6.28%, (3 Month U.S. Treasury Bill + 625 bps), 1/8/25 (144A) | 526,850 | ||||
1,700,000(a) | Kilimanjaro II Re, 7.975%, (6 Month USD LIBOR + 791 bps), 4/21/22 (144A) | 1,704,420 |
63Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Principal Amount USD ($) | Value | |||||
Multiperil – U.S. — (continued) | ||||||
250,000(a) | Kilimanjaro Re, 4.94%, (3 Month USD LIBOR + 494 bps), 5/6/22 (144A) | $ 252,450 | ||||
1,500,000(a) | Residential Reinsurance 2020, 6.667%, (3 Month U.S. Treasury Bill + 651 bps), 12/6/24 (144A) | 1,536,000 | ||||
5,000,000(a) | Residential Reinsurance 2021, 5.53%, (3 Month U.S. Treasury Bill + 550 bps), 12/6/25 (144A) | 5,009,500 | ||||
3,000,000(a) | Sanders Re II, 3.53%, (3 Month U.S. Treasury Bill + 350 bps), 4/7/25 (144A) | 3,019,500 | ||||
1,750,000(a) | Sanders Re II, 3.407%, (3 Month U.S. Treasury Bill + 325 bps), 4/7/25 (144A) | 1,746,325 | ||||
1,000,000(a) | Sussex Capital UK Pcc, Ltd., 8.34%, (3 Month U.S. Treasury Bill + 775 bps), 1/8/25 (144A) | 1,029,000 | ||||
3,350,000(a) | Tailwind Re, 7.68%, (3 Month U.S. Treasury Bill + 765 bps), 1/8/22 (144A) | 3,350,000 | ||||
$29,267,195 | ||||||
Multiperil – U.S. & Canada — 0.2% | ||||||
1,000,000(a) | Hypatia, Ltd., 10.532%, (3 Month U.S. Treasury Bill + 1038 bps), 6/7/23 (144A) | $ 1,059,200 | ||||
2,500,000(a) | Hypatia, Ltd., 7.305%, (3 Month U.S. Treasury Bill + 728 bps), 6/7/23 (144A) | 2,622,500 | ||||
250,000(a) | Matterhorn Re, 5.959%, (SOFRRATE + 592 bps), 12/8/25 (144A) | 249,875 | ||||
1,000,000(a) | Mona Lisa Re, Ltd., 7.03%, (3 Month U.S. Treasury Bill + 700 bps), 7/8/25 (144A) | 1,012,700 | ||||
4,000,000(a) | Mystic Re IV, 9.985%, (3 Month U.S. Treasury Bill + 996 bps), 1/8/25 (144A) | 4,007,600 | ||||
$8,951,875 | ||||||
Multiperil – U.S. Regional — 0.1% | ||||||
700,000(a) | First Coast Re II Pte, Ltd., 5.69%, (3 Month U.S. Treasury Bill + 566 bps), 6/7/23 (144A) | $ 709,590 | ||||
5,200,000(a) | Long Point Re III, 2.907%, (3 Month U.S. Treasury Bill + 275 bps), 6/1/22 (144A) | 5,197,920 | ||||
400,000(a) | Matterhorn Re, 5.157%, (3 Month U.S. Treasury Bill + 500 bps), 1/8/24 (144A) | 384,000 | ||||
$6,291,510 | ||||||
Multiperil – Worldwide — 0.0%† | ||||||
1,500,000(a) | Northshore Re II, 5.907%, (3 Month U.S. Treasury Bill + 575 bps), 1/8/24 (144A) | $ 1,539,000 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2164
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
Pandemic – U.S — 0.1% | ||||||
1,250,000(a) | Vitality Re XI, 1.957%, (3 Month U.S. Treasury Bill + 180 bps), 1/9/24 (144A) | $ 1,224,375 | ||||
3,000,000(a) | Vitality Re XI, 1.53%, (3 Month U.S. Treasury Bill + 150 bps), 1/9/24 (144A) | 2,927,100 | ||||
$4,151,475 | ||||||
Windstorm – Florida — 0.1% | ||||||
2,500,000(a) | Integrity Re, 4.38%, (3 Month USD LIBOR + 438 bps), 6/10/22 (144A) | $ 2,521,250 | ||||
2,200,000(a) | Merna Reinsurance II, Ltd., 5.53%, (3 Month U.S. Treasury Bill + 550 bps), 7/8/24 (144A) | 2,257,420 | ||||
$4,778,670 | ||||||
Windstorm - Jamica — 0.1% | ||||||
4,000,000(a) | International Bank for Reconstruction & Development, 4.50%, (SOFRRATE + 445 bps), 12/29/23 (144A) | $ 4,012,400 | ||||
Windstorm - Mexico — 0.0%† | ||||||
500,000(a) | International Bank for Reconstruction & Development, 6.621%, (3 Month USD LIBOR + 650 bps), 3/13/24 (144A) | $ 515,450 | ||||
Windstorm - North Carolina — 0.1% | ||||||
3,025,000(a) | Cape Lookout Re, 6.387%, (1 Month U.S. Treasury Bill + 623 bps), 5/9/22 (144A) | $ 3,075,820 | ||||
Windstorm - Texas — 0.1% | ||||||
2,500,000(a) | Alamo Re II, 5.49%, (1 Month U.S. Treasury Bill + 546 bps), 6/8/23 (144A) | $ 2,605,250 | ||||
Windstorm – U.S — 0.0%† | ||||||
2,000,000(a) | Bonanza Re, 4.907%, (3 Month U.S. Treasury Bill + 475 bps), 12/23/24 (144A) | $ 2,024,600 | ||||
250,000(a) | Bowline Re 2019-1, 8.88%, (3 Month U.S. Treasury Bill + 885 bps), 3/20/23 (144A) | 252,950 | ||||
$2,277,550 | ||||||
Windstorm – U.S. Regional — 0.2% | ||||||
3,500,000(a) | Cape Lookout Re, 4.307%, (1 Month U.S. Treasury Bill + 415 bps), 2/25/22 (144A) | $ 3,515,750 | ||||
3,000,000(a) | Matterhorn Re, 5.648%, (3 Month USD LIBOR + 550 bps), 12/7/22 (144A) | 3,012,000 | ||||
1,500,000(a) | Matterhorn Re, 4.398%, (3 Month USD LIBOR + 425 bps), 12/7/22 (144A) | 1,508,400 | ||||
$8,036,150 | ||||||
Total Event Linked Bonds | $92,310,295 |
65Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Face Amount USD ($) | Value | |||||
Collateralized Reinsurance — 0.5% | ||||||
Earthquakes – California — 0.1% | ||||||
2,980,000(f)(g)+ | Adare Re 2021, 9/30/27 | $ 3,020,299 | ||||
3,018,000(f)(g)+ | Adare Re 2022, 12/31/27 | 3,018,000 | ||||
$6,038,299 | ||||||
Multiperil – Massachusetts — 0.1% | ||||||
3,500,000(f)(g)+ | Denning Re 2021, 7/31/25 | $ 3,502,836 | ||||
Multiperil – U.S. — 0.1% | ||||||
2,000,000(f)(g)+ | Ballybunion Re 2021, 7/31/25 | $ 2,074,392 | ||||
1,000,000(f)(g)+ | Ballybunion Re 2021-2, 6/30/25 | 1,000,000 | ||||
250,000(g)+ | Bowline Re 2018-1, 5/23/22 (144A) | 252,125 | ||||
250,000(f)(g)+ | Dingle Re 2020, 12/31/22 | 24,068 | ||||
3,250,000(f)(g)+ | Port Royal Re 2021, 5/31/25 | 3,235,258 | ||||
$6,585,843 | ||||||
Multiperil – U.S. Regional — 0.1% | ||||||
3,000,000(f)(g)+ | Ailsa Re 2021, 6/30/25 | $ 3,074,646 | ||||
Multiperil – Worldwide — 0.0%† | ||||||
1,000,000(f)(g)+ | Cypress 2017, 1/31/23 | $ 100 | ||||
223,000(f)(g)+ | Limestone Re, 3/1/23 (144A) | 28,879 | ||||
2,500,000(f)(g)+ | Resilience Re, 5/1/22 | — | ||||
$28,979 | ||||||
Windstorm – Florida — 0.0%† | ||||||
2,000,000(f)(g)+ | Formby Re 2018, 2/28/23 | $ 245,600 | ||||
800,000(f)(g)+ | Portrush Re 2017, 6/15/22 | 510,480 | ||||
$756,080 | ||||||
Windstorm - North Carolina — 0.0%† | ||||||
500,000(f)(g)+ | Isosceles Re 2021-A1, 5/31/25 | $ 499,850 | ||||
Windstorm – U.S. Regional — 0.1% | ||||||
1,500,000(f)(g)+ | Isosceles Insurance, Ltd., 7/10/23 | $ 1,503,750 | ||||
500,000(f)(g)+ | Oakmont Re 2017, 4/30/23 | 14,700 | ||||
$1,518,450 | ||||||
Total Collateralized Reinsurance | $22,004,983 | |||||
Reinsurance Sidecars — 0.5% | ||||||
Multiperil – U.S.—0.0%† | ||||||
2,000,000(f)(h)+ | Harambee Re 2018, 12/31/22 | $ 3,600 | ||||
4,000,000(f)(h)+ | Harambee Re 2019, 12/31/22 | 4,400 | ||||
$8,000 | ||||||
Multiperil – Worldwide—0.5% | ||||||
2,000(f)(g)+ | Alturas Re 2019-1, 3/10/23 (144A) | $ 13,496 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2166
Schedule of Investments | 12/31/21
(unaudited) (continued)
Face Amount USD ($) | Value | |||||
Multiperil – Worldwide — (continued) | ||||||
36,448(f)(h)+ | Alturas Re 2019-2, 3/10/23 | $ 51,319 | ||||
4,000,000(f)(h)+ | Alturas Re 2021-3, 7/31/25 | 3,859,600 | ||||
2,500,000(f)(g)+ | Bantry Re 2016, 3/31/23 | 201,500 | ||||
2,000,000(f)(g)+ | Bantry Re 2017, 3/31/23 | 116,882 | ||||
2,000,000(f)(g)+ | Bantry Re 2018, 12/31/22 | 22,800 | ||||
4,000,000(f)(g)+ | Bantry Re 2019, 12/31/22 | 135,855 | ||||
5,120,164(f)(g)+ | Berwick Re 2018-1, 12/31/22 | 395,789 | ||||
3,658,035(f)(g)+ | Berwick Re 2019-1, 12/31/22 | 437,135 | ||||
4,500,000(f)(g)+ | Berwick Re 2022, 12/31/27 | 4,500,000 | ||||
75,000(f)(g)+ | Eden Re II, 3/22/23 (144A) | 22,432 | ||||
35,797(f)(g)+ | Eden Re II, 3/22/23 (144A) | 137,596 | ||||
113,405(f)(g)+ | Eden Re II, 3/22/23 (144A) | 35,859 | ||||
4,000(f)(g)+ | Eden Re II, 3/22/23 (144A) | 15,046 | ||||
2,118,314(f)(g)+ | Gullane Re 2018, 12/31/22 | 294,234 | ||||
1,697(f)(g)+ | Limestone Re 2018, 3/1/23 | — | ||||
500,000(f)(h)+ | Lion Rock Re 2019, 1/31/23 | — | ||||
4,000,000(f)(h)+ | Lorenz Re 2018, 7/1/22 | — | ||||
2,744,544(f)(h)+ | Lorenz Re 2019, 6/30/22 | 90,021 | ||||
3,000,000(f)(g)+ | Merion Re 2018-2, 12/31/22 | 496,500 | ||||
1,500,000(f)(g)+ | Pangaea Re 2016-2, 11/30/22 | 2,675 | ||||
2,000,000(f)(g)+ | Pangaea Re 2018-1, 12/31/22 | 42,109 | ||||
4,000,000(f)(g)+ | Pangaea Re 2018-3, 7/1/22 | 82,974 | ||||
2,800,000(f)(g)+ | Pangaea Re 2019-1, 2/1/23 | 58,345 | ||||
2,941,254(f)(g)+ | Pangaea Re 2019-3, 7/1/23 | 105,799 | ||||
4,000,000(f)(g)+ | Pangaea Re 2021-3, 7/1/25 | 3,891,180 | ||||
4,000,000(f)(g)+ | RosaPenna Re 2021, 7/31/25 | 3,880,000 | ||||
2,400,000(f)(g)+ | Sector Re V, 12/1/23 (144A) | 353,280 | ||||
800,000(f)(g)+ | Sector Re V, 3/1/24 (144A) | 618,160 | ||||
1,861(f)(g)+ | Sector Re V, 3/1/24 (144A) | 36,327 | ||||
160,000(f)(g)+ | Sector Re V, 12/1/24 (144A) | 470,768 | ||||
2,500,000(f)(g)+ | Sector Re V, 12/1/26 (144A) | 2,500,000 | ||||
750,000(f)(h)+ | Thopas Re 2018, 12/31/22 | 10,200 | ||||
3,000,000(f)(h)+ | Thopas Re 2019, 12/31/22 | — | ||||
4,000,000(f)(h)+ | Torricelli Re 2021, 7/31/25 | 3,711,200 | ||||
2,000,000(f)(g)+ | Versutus Re 2018, 12/31/22 | — | ||||
1,765,095(f)(g)+ | Versutus Re 2019-A, 12/31/22 | — | ||||
1,434,906(f)(g)+ | Versutus Re 2019-B, 12/31/22 | — | ||||
750,000(f)(h)+ | Viribus Re 2018, 12/31/22 | — | ||||
2,500,000(f)(h)+ | Viribus Re 2019, 12/31/22 | 104,500 |
67Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Face Amount USD ($) | Value | ||||||
Multiperil – Worldwide — (continued) | |||||||
1,724,784(f)(g)+ | Woburn Re 2018, 12/31/22 | $ 114,540 | |||||
809,418(f)(g)+ | Woburn Re 2019, 12/31/22 | 205,892 | |||||
$27,014,013 | |||||||
Total Reinsurance Sidecars | $27,022,013 | ||||||
Industry Loss Warranties — 0.0%† | |||||||
Windstorm – U.S — 0.0%† | |||||||
1,000,000(f)(g)+ | Ballylifin Re 2021, 9/15/25 | $ 763,200 | |||||
Total Industry Loss Warranties | $763,200 | ||||||
Total Insurance-Linked Securities (Cost $145,315,447) | $142,100,491 | ||||||
Principal Amount USD ($) | ||||||
U.S. Government and Agency Obligations — 9.3% of Net Assets | ||||||
10,000,000 | Fannie Mae, 1.500%, 1/1/37 (TBA) | $ 10,031,250 | ||||
3,496(a) | Fannie Mae, 1.982%, (12 Month USD LIBOR + 167 bps), 1/1/48 | 3,543 | ||||
30,000,000 | Fannie Mae, 2.000%, 1/1/37 (TBA) | 30,731,250 | ||||
17(a) | Fannie Mae, 2.168%, (1 Year CMT Index + 212 bps), 11/1/23 | 17 | ||||
4,823(a) | Fannie Mae, 2.178%, (1 Year CMT Index + 209 bps), 9/1/32 | 4,907 | ||||
5,663(a) | Fannie Mae, 2.295%, (1 Year CMT Index + 217 bps), 2/1/34 | 5,676 | ||||
6,191(a) | Fannie Mae, 2.320%, (1 Year CMT Index + 219 bps), 10/1/32 | 6,207 | ||||
174,000,000 | Fannie Mae, 2.500%, 1/1/52 (TBA) | 177,609,141 | ||||
1,436(a) | Federal Home Loan Mortgage Corp., 2.250%, (12 Month USD LIBOR + 200 bps), 11/1/33 | 1,439 | ||||
209(a) | Federal Home Loan Mortgage Corp., 2.315%, (1 Year CMT Index + 229 bps), 10/1/23 | 209 | ||||
392(a) | Federal Home Loan Mortgage Corp., 4.371%, (3 Year US Treasury Yield Curve Rate T Note Constant Maturity + 212 bps), 6/1/35 | 394 | ||||
2(a) | Government National Mortgage Association II, 2.000%, (1 Year CMT Index + 150 bps), 1/20/22 | 2 | ||||
22,150,000(i) | U.S. Treasury Bills, 1/4/22 | 22,150,018 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2168
Schedule of Investments | 12/31/21
(unaudited) (continued)
Principal Amount USD ($) | Value | |||||
U.S. Government and Agency Obligations — (continued) | ||||||
130,000,000(i) | U.S. Treasury Bills, 1/6/22 | $ 129,999,957 | ||||
100,000,000(i) | U.S. Treasury Bills, 2/1/22 | 99,997,986 | ||||
Total U.S. Government and Agency Obligations (Cost $470,615,862) | $470,541,996 | |||||
SHORT TERM INVESTMENTS — 9.2% of Net Assets | ||||||
Repurchase Agreements — 3.5% | ||||||
55,420,000 | $55,420,000 Scotia Capital Inc., 0.05%, dated 12/31/21 plus accrued interest on 1/3/22 collateralized by the following: $43,361,483 U.S. Treasury Bills, 1/6/22-12/29/22, $13,167,169 U.S. Treasury Notes, 0.119%-0.125%, 4/30/23-9/15/23 | $ 55,420,000 | ||||
50,170,000 | $50,170,000 RBC Dominion Securities Inc., 0.05%, dated 12/31/21 plus accrued interest on 1/3/22 collateralized by $51,173,613 Federal Home Loan Mortgage Corporation, 1.845%-3.0%, 1/1/33-10/1/50 | 50,170,000 | ||||
70,180,000 | $70,180,000 Toronto-Dominion Bank, 0.05%, dated 12/31/21 plus accrued interest on 1/3/22 collateralized by $71,583,794 U.S. Treasury Notes, 2.0%, 11/15/26 | 70,180,000 | ||||
$175,770,000 | ||||||
Commercial Paper — 3.1% of Net Assets | ||||||
15,000,000 | Amphenol Corp., 0.07%, 1/3/22 | $ 14,999,870 | ||||
14,000,000 | Aon Corp., 0.17%, 1/3/22 | 13,999,820 | ||||
10,000,000 | Centerpoint Energy, Inc., 0.18%, 1/3/22 | 9,999,872 | ||||
15,000,000 | Duke Energy Co., 0.23%, 1/4/22 | 14,999,773 | ||||
20,000,000 | Energy Transfer Partners, 0.35%, 1/3/22 | 19,999,471 | ||||
10,000,000 | ERP Operating, Ltd, 0.19%, 1/3/22 | 9,999,872 | ||||
10,000,000 | FMC Corp., 0.25%, 1/3/22 | 9,999,792 | ||||
10,000,000 | FMC Corp., 0.30%, 1/3/22 | 9,999,750 | ||||
20,000,000 | JBL Inc., 0.38%, 1/3/22 | 19,999,205 | ||||
12,260,000 | Prudential PLC, 0.07%, 1/5/22 | 12,259,898 | ||||
20,000,000 | Vectren Utility Holdings, 0.16%, 1/3/22 | 19,999,800 | ||||
Total Commercial Paper (Cost $156,257,926) | $156,257,123 | |||||
69Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Shares | Value | |||||
Open-End Mutual Funds — 2.6% | ||||||
134,377,519 | Dreyfus Government Cash Management, Institutional Shares, 0.03%(j) | $ 134,377,519 | ||||
$134,377,519 | ||||||
TOTAL SHORT TERM INVESTMENTS (Cost $466,405,445) | $466,404,642 | |||||
TOTAL INVESTMENTS IN UNAFFILIATED ISSUERS — 103.5% (Cost $5,272,875,455) | $5,255,388,497 | |||||
OTHER ASSETS AND LIABILITIES — (3.5)% | $(179,957,913) | |||||
Net Assets — 100.0% | $5,075,430,584 |
(TBA) | “To Be Announced” Securities |
bps | Basis Points |
CMT | Constant Maturity Treasury Index |
LIBOR | London Interbank Offered Rate |
PRIME | U.S. Federal Funds Rate |
REMICS | Real Estate Mortgage Investment Conduits |
SOFR30A | Secured Overnight Financing Rate 30 Day Average |
SOFRRATE | Secured Overnight Financing Rate |
Strips | Separate trading of Registered interest and principal of securities |
(144A) | Security is exempt from registration under Rule 144A of the Securities Act of 1933. Such securities may be resold normally to qualified institutional buyers in a transaction exempt from registration. At December 31, 2021, the value of these securities amounted to $2,722,170,354, or 53.6% of net assets. |
(a) | Floating rate note. Coupon rate, reference index and spread shown at December 31, 2021. |
(b) | This term loan will settle after December 31, 2021, at which time the interest rate will be determined. |
(c) | All or a portion of this position has not settled. Full contract rates do not take effect until settlement date. |
(d) | The interest rate is subject to change periodically. The interest rate and/or reference index and spread shown at December 31, 2021. |
(e) | Security is perpetual in nature and has no stated maturity date. |
(f) | Non-income producing security. |
(g) | Issued as participation notes. |
(h) | Issued as preference shares. |
(i) | Security issued with a zero coupon. Income is recognized through accretion of discount. |
(j) | Rate periodically changes. Rate disclosed is the 7-day yield at December 31, 2021. |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2170
Schedule of Investments | 12/31/21
(unaudited) (continued)
* | Senior secured floating rate loan interests in which the Fund invests generally pay interest at rates that are periodically re-determined by reference to a base lending rate plus a premium. These base lending rates are generally (i) the lending rate offered by one or more major European banks, such as LIBOR, (ii) the prime rate offered by one or more major United States banks, (iii) the rate of a certificate of deposit or (iv) other base lending rates used by commercial lenders. The interest rate shown is the rate accruing at December 31, 2021. |
† | Amount rounds to less than 0.1%. |
+ | Security that used significant unobservable inputs to determine its value. |
# | Securities are restricted as to resale. |
Restricted Securities | Acquisition date | Cost | Value |
Acorn Re | 10/25/2021 | $2,500,000 | $2,497,750 |
Adare Re 2021 | 9/29/2021 | 2,980,000 | 3,020,299 |
Adare Re 2022 | 12/30/2021 | 3,018,000 | 3,018,000 |
Ailsa Re 2021 | 7/12/2021 | 3,000,000 | 3,074,646 |
Akibare Re | 3/22/2018 | 500,000 | 499,950 |
Akibare Re | 3/22/2018 | 250,000 | 249,975 |
Alamo Re | 11/9/2021 | 1,017,000 | 1,010,600 |
Alamo Re II | 5/29/2020 | 2,500,000 | 2,605,250 |
Alturas Re 2019-1 | 12/20/2018 | 2,000 | 13,496 |
Alturas Re 2019-2 | 12/19/2018 | 36,448 | 51,319 |
Alturas Re 2021-3 | 7/1/2021 | 4,000,000 | 3,859,600 |
Ballybunion Re 2021 | 8/10/2021 | 2,000,000 | 2,074,392 |
Ballybunion Re 2021-2 | 8/2/2021 | 1,000,000 | 1,000,000 |
Ballylifin Re 2021 | 9/15/2021 | 818,067 | 763,200 |
Bantry Re 2016 | 2/6/2019 | 201,500 | 201,500 |
Bantry Re 2017 | 2/6/2019 | 116,928 | 116,882 |
Bantry Re 2018 | 2/6/2019 | 22,757 | 22,800 |
Bantry Re 2019 | 2/26/2019 | — | 135,855 |
Berwick Re 2018-1 | 10/19/2018 | 747,887 | 395,789 |
Berwick Re 2019-1 | 12/31/2018 | 437,104 | 437,135 |
Berwick Re 2022 | 12/28/2021 | 4,500,000 | 4,500,000 |
Bonanza Re | 12/15/2020 | 2,000,000 | 2,024,600 |
Bonanza Re | 2/13/2020 | 1,500,000 | 1,527,600 |
Bowline Re 2018-1 | 6/17/2020 | 247,438 | 252,125 |
Bowline Re 2019-1 | 3/12/2019 | 250,000 | 252,950 |
Caelus Re V | 4/27/2017 | 125,000 | 87,500 |
Caelus Re V | 5/4/2018 | 500,000 | 400,000 |
Caelus Re V | 5/4/2018 | 750,000 | 7,500 |
Caelus Re VI | 2/20/2020 | 750,000 | 779,175 |
Cape Lookout Re | 10/22/2021 | 3,520,113 | 3,515,750 |
Cape Lookout Re | 11/10/2021 | 3,086,380 | 3,075,820 |
Cypress 2017 | 1/24/2017 | 3,361 | 100 |
Denning Re 2021 | 7/23/2021 | 3,424,022 | 3,502,836 |
Dingle Re 2020 | 2/13/2020 | — | 24,068 |
71Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
Restricted Securities | Acquisition date | Cost | Value |
Easton Re Pte | 12/15/2020 | $4,500,000 | $4,531,950 |
Eden Re II | 12/15/2017 | 4,482 | 22,432 |
Eden Re II | 1/22/2019 | 4,198 | 137,596 |
Eden Re II | 1/23/2018 | 2,621 | 35,859 |
Eden Re II | 12/14/2018 | 1,508 | 15,046 |
First Coast Re II Pte, Ltd. | 6/15/2020 | 688,073 | 709,590 |
FloodSmart Re | 4/10/2019 | 500,000 | 506,250 |
Formby Re 2018 | 7/9/2018 | 187,767 | 245,600 |
Four Lakes Re | 11/5/2020 | 1,750,000 | 1,759,625 |
Four Lakes Re | 12/15/2021 | 2,000,000 | 1,999,800 |
Gullane Re 2018 | 10/19/2018 | 151,871 | 294,234 |
Harambee Re 2018 | 12/19/2017 | 42,461 | 3,600 |
Harambee Re 2019 | 12/20/2018 | — | 4,400 |
Herbie Re, Ltd. | 10/19/2020 | 500,000 | 526,850 |
Hypatia, Ltd. | 7/10/2020 | 2,500,000 | 2,622,500 |
Hypatia, Ltd. | 7/10/2020 | 1,000,000 | 1,059,200 |
Integrity Re | 4/19/2018 | 2,497,092 | 2,521,250 |
International Bank for Reconstruction & Development | 2/28/2020 | 500,000 | 505,950 |
International Bank for Reconstruction & Development | 7/19/2021 | 4,000,000 | 4,012,400 |
International Bank for Reconstruction & Development | 2/28/2020 | 500,000 | 515,450 |
Isosceles Insurance, Ltd. | 6/25/2021 | 1,500,000 | 1,503,750 |
Isosceles Re 2021-A1 | 8/12/2021 | 487,237 | 499,850 |
Kilimanjaro II Re | 4/6/2017 | 1,700,000 | 1,704,420 |
Kilimanjaro Re | 6/12/2020 | 248,768 | 252,450 |
Limestone Re | 6/20/2018 | 1,771 | 28,879 |
Limestone Re 2018 | 6/20/2018 | 1,697 | — |
Lion Rock Re 2019 | 12/17/2018 | — | — |
Long Point Re III | 5/17/2018 | 5,211,850 | 5,197,920 |
Lorenz Re 2018 | 6/26/2018 | 763,872 | — |
Lorenz Re 2019 | 7/10/2019 | 863,182 | 90,021 |
Matterhorn Re | 6/5/2020 | 396,298 | 384,000 |
Matterhorn Re | 11/24/2020 | 1,500,000 | 1,508,400 |
Matterhorn Re | 11/24/2020 | 3,000,000 | 3,012,000 |
Matterhorn Re | 12/15/2021 | 250,000 | 249,875 |
Merion Re 2018-2 | 12/28/2017 | 123,456 | 496,500 |
Merna Reinsurance II, Ltd. | 6/8/2021 | 2,200,000 | 2,257,420 |
Mona Lisa Re, Ltd. | 6/22/2021 | 1,000,000 | 1,012,700 |
Mystic Re IV | 6/9/2021 | 4,000,000 | 4,007,600 |
Northshore Re II | 12/2/2020 | 1,500,000 | 1,539,000 |
Oakmont Re 2017 | 5/10/2017 | — | 14,700 |
Pangaea Re 2016-2 | 5/31/2016 | — | 2,675 |
Pangaea Re 2018-1 | 1/11/2018 | 285,564 | 42,109 |
Pangaea Re 2018-3 | 5/31/2018 | 963,444 | 82,974 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2172
Schedule of Investments | 12/31/21
(unaudited) (continued)
Restricted Securities | Acquisition date | Cost | Value |
Pangaea Re 2019-1 | 1/9/2019 | $29,397 | $58,345 |
Pangaea Re 2019-3 | 7/25/2019 | 88,238 | 105,799 |
Pangaea Re 2021-3 | 6/17/2021 | 4,000,000 | 3,891,180 |
Phoenician Re | 12/1/2021 | 2,000,000 | 1,998,000 |
Port Royal Re 2021 | 6/17/2021 | 3,106,314 | 3,235,258 |
Portrush Re 2017 | 6/12/2017 | 613,587 | 510,480 |
Residential Reinsurance 2020 | 10/30/2020 | 1,500,000 | 1,536,000 |
Residential Reinsurance 2021 | 10/28/2021 | 5,000,000 | 5,009,500 |
Resilience Re | 2/8/2017 | 1,209 | — |
RosaPenna Re 2021 | 7/16/2021 | 4,000,000 | 3,880,000 |
Sanders Re II | 5/20/2020 | 250,000 | 256,475 |
Sanders Re II | 11/23/2021 | 1,750,000 | 1,746,325 |
Sanders Re II | 5/24/2021 | 3,000,000 | 3,019,500 |
Sector Re V | 12/4/2018 | 609,292 | 353,280 |
Sector Re V | 1/1/2020 | 160,000 | 470,768 |
Sector Re V | 4/23/2019 | 800,000 | 618,160 |
Sector Re V | 5/1/2019 | 1,861 | 36,327 |
Sector Re V | 12/6/2021 | 2,500,000 | 2,500,000 |
Sussex Capital UK Pcc, Ltd. | 12/7/2020 | 1,000,000 | 1,029,000 |
Tailwind Re | 12/31/2018 | 3,349,897 | 3,350,000 |
Thopas Re 2018 | 12/12/2017 | 98,106 | 10,200 |
Thopas Re 2019 | 12/21/2018 | — | — |
Torrey Pines Re Pte, Ltd. | 3/12/2021 | 1,000,000 | 1,003,800 |
Torricelli Re 2021 | 7/1/2021 | 4,000,000 | 3,711,200 |
Ursa Re | 6/12/2020 | 746,999 | 761,100 |
Ursa Re II | 10/8/2020 | 4,000,000 | 4,088,800 |
Versutus Re 2018 | 1/31/2018 | — | — |
Versutus Re 2019-A | 1/28/2019 | — | — |
Versutus Re 2019-B | 12/24/2018 | — | — |
Viribus Re 2018 | 12/22/2017 | 59,175 | — |
Viribus Re 2019 | 3/25/2019 | — | 104,500 |
Vitality Re X | 2/3/2020 | 3,498,457 | 3,429,300 |
Vitality Re XI | 1/23/2020 | 3,000,000 | 2,927,100 |
Vitality Re XI | 1/23/2020 | 1,245,528 | 1,224,375 |
Woburn Re 2018 | 10/19/2018 | 598,262 | 114,540 |
Woburn Re 2019 | 1/30/2019 | 177,908 | 205,892 |
Total Restricted Securities | $142,100,491 | ||
% of Net assets | 2.8% |
73Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21
FUTURES CONTRACTS
FIXED INCOME INDEX FUTURES CONTRACTS
FIXED INCOME INDEX FUTURES CONTRACTS
Number of Contracts Short | Description | Expiration Date | Notional Amount | Market Value | Unrealized Appreciation (Depreciation) |
930 | U.S. 2 Year Note (CBT) | 3/31/22 | $(203,057,483) | $(202,899,844) | $157,639 |
800 | U.S. 5 Year Note (CBT) | 3/31/22 | (96,341,816) | (96,781,248) | (439,432) |
475 | U.S. 10 Year Note (CBT) | 3/22/22 | (61,229,272) | (61,972,657) | (743,385) |
265 | U.S. Long Bond (CBT) | 3/22/22 | (41,747,889) | (42,515,938) | (768,049) |
$(402,376,460) | $(404,169,687) | $(1,793,227) | |||
TOTAL FUTURES CONTRACTS | $(402,376,460) | $(404,169,687) | $(1,793,227) |
Various inputs are used in determining the value of the Fund’s investments. These inputs are summarized in the three broad levels below.
Level 1 | – | unadjusted quoted prices in active markets for identical securities. |
Level 2 | – | other significant observable inputs (including quoted prices for similar securities, interest rates, prepayment speeds, credit risks, etc.). |
Level 3 | – | significant unobservable inputs (including the Fund's own assumptions in determining fair value of investments). |
The following is a summary of the inputs used as of December 31, 2021, in valuing the Fund’s investments:
Level 1 | Level 2 | Level 3 | Total | |
Senior Secured Floating Rate Loan Interests | $— | $282,811,787 | $— | $282,811,787 |
Asset Backed Securities | — | 1,293,762,451 | 14,631,956 | 1,308,394,407 |
Collateralized Mortgage Obligations | — | 703,141,220 | — | 703,141,220 |
Commercial Mortgage-Backed Securities | — | 413,685,144 | — | 413,685,144 |
Corporate Bonds | — | 1,468,308,810 | — | 1,468,308,810 |
Insurance-Linked Securities | ||||
Collateralized Reinsurance | ||||
Earthquakes – California | — | — | 6,038,299 | 6,038,299 |
Multiperil – Massachusetts | — | — | 3,502,836 | 3,502,836 |
Multiperil – U.S. | — | — | 6,585,843 | 6,585,843 |
Multiperil – U.S. Regional | — | — | 3,074,646 | 3,074,646 |
Multiperil – Worldwide | — | — | 28,979 | 28,979 |
Windstorm – Florida | — | — | 756,080 | 756,080 |
Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/2174
Schedule of Investments | 12/31/21
(unaudited) (continued)
Level 1 | Level 2 | Level 3 | Total | |
Windstorm – North Carolina | $— | $— | $499,850 | $499,850 |
Windstorm – U.S. Regional | — | — | 1,518,450 | 1,518,450 |
Reinsurance Sidecars | ||||
Multiperil – U.S. | — | — | 8,000 | 8,000 |
Multiperil – Worldwide | — | — | 27,014,013 | 27,014,013 |
Industry Loss Warranties | ||||
Windstorm – U.S | — | — | 763,200 | 763,200 |
All Other Insurance-Linked Securities | — | 92,310,295 | — | 92,310,295 |
U.S. Government and Agency Obligations | — | 470,541,996 | — | 470,541,996 |
Repurchase Agreements | — | 175,770,000 | — | 175,770,000 |
Commercial Paper | — | 156,257,123 | — | 156,257,123 |
Open-End Mutual Funds | 134,377,519 | — | — | 134,377,519 |
Total Investments in Securities | $134,377,519 | $5,056,588,826 | $64,422,152 | $5,255,388,497 |
Other Financial Instruments | ||||
Net unrealized depreciation on future contracts | $(1,793,227) | $— | $— | $(1,793,227) |
Total Other Financial Instruments | $(1,793,227) | $— | $— | $(1,793,227) |
The following is a reconciliation of assets valued using significant unobservable inputs (Level 3):
Asset Backed Securities | Insurance- Linked Securities | Total | |
Balance as of 3/31/21 | $ 17,200,000 | $ 17,636,127 | $ 34,836,127 |
Realized gain (loss) | — | (892,667) | (892,667) |
Changed in unrealized depreciation | (34,266) | (806,458) | (840,724) |
Accrued discounts/premiums | — | (1,301,646) | (1,301,646) |
Purchases | — | 44,314,394 | 44,314,394 |
Sales | (2,533,778) | (9,411,679) | (11,945,457) |
Transfers in to Level 3* | — | 252,125 | 252,125 |
Transfers out of Level 3* | — | — | — |
Balance as of 12/31/21 | $ 14,631,956 | $ 49,790,196 | $ 64,422,152 |
* Transfers are calculated on the beginning of period value. For the nine months ended December 31, 2021, securities with an aggregate market value of $252,125 were transferred from Level 2 to Level 3, as there were significant observable inputs available to determine their value. There were no other transfers in or out of Level 3. | |||
Net change in unrealized appreciation (depreciation) of Level 3 investments still held and considered Level 3 at December 31, 2021: | $ (291,562) |
75Pioneer Multi-Asset Ultrashort Income Fund | | 12/31/21