| | | | | | | | |
Security | | Principal Amount (000’s omitted) | | | Value | |
Bond Bank — 0.7% | |
Rickenbacker Port Authority, OH, (OASBO Expanded Asset Pooled Financing Program), 5.375%, 1/1/32 | | $ | 1,300 | | | $ | 1,673,269 | |
| | | | | | | | |
| | | | | | $ | 1,673,269 | |
| | | | | | | | |
Education — 1.3% | |
Capital Trust Agency, FL, (Florida Charter Educational Foundation, Inc.), 4.50%, 6/15/28(1) | | $ | 550 | | | $ | 594,770 | |
Capital Trust Agency, FL, (Liza Jackson Preparatory School, Inc.), 4.00%, 8/1/30 | | | 400 | | | | 452,648 | |
District of Columbia, (Rocketship DC Obligated Group), 5.00%, 6/1/29(1) | | | 465 | | | | 534,048 | |
Florida Development Finance Corp., (River City Science Academy): | |
4.00%, 7/1/28 | | | 150 | | | | 172,880 | |
4.00%, 7/1/29 | | | 155 | | | | 176,685 | |
4.00%, 7/1/30 | | | 215 | | | | 242,627 | |
Florida Higher Educational Facilities Financing Authority, (Jacksonville University), 4.50%, 6/1/33(1) | | | 265 | | | | 311,613 | |
Pinellas County Educational Facilities Authority, FL, (Pinellas Academy of Math and Science), 4.125%, 12/15/28(1) | | | 545 | | | | 602,596 | |
| | | | | | | | |
| | | | | | $ | 3,087,867 | |
| | | | | | | | |
Electric Utilities — 4.4% | |
Salt River Agricultural Improvement and Power District, AZ, 5.00%, 12/1/30(2) | | $ | 10,000 | | | $ | 10,509,300 | |
| | | | | | | | |
| | | | | | $ | 10,509,300 | |
| | | | | | | | |
Escrowed/Prerefunded — 32.4% | |
Delaware Health Facilities Authority, (Nanticoke Memorial Hospital), Prerefunded to 7/1/23, 5.00%, 7/1/28 | | $ | 2,500 | | | $ | 2,751,425 | |
Detroit, MI, Water Supply System, Prerefunded to 7/1/21, 5.25%, 7/1/27 | | | 1,000 | | | | 1,008,180 | |
Fresno Unified School District, CA, (Election of 2010): | |
Prerefunded to 8/1/24, 0.00%, 8/1/30 | | | 800 | | | | 600,712 | |
Prerefunded to 8/1/24, 0.00%, 8/1/31 | | | 955 | | | | 682,070 | |
Hawaii: | |
Prerefunded to 11/1/22, 5.00%, 11/1/28(2) | | | 5,400 | | | | 5,794,254 | |
Prerefunded to 11/1/22, 5.00%, 11/1/28(2) | | | 185 | | | | 198,507 | |
Prerefunded to 11/1/22, 5.00%, 11/1/28(2) | | | 2,415 | | | | 2,591,319 | |
Lancaster Industrial Development Authority, PA, (Garden Spot Village), Prerefunded to 5/1/23, 5.375%, 5/1/28 | | | 600 | | | | 662,064 | |
Oregon Department of Administrative Services, Lottery Revenue, 4.00%, Prerefunded to 4/1/23, 4/1/29(2) | | | 10,000 | | | | 10,739,300 | |
Portland Community College District, OR, Prerefunded to 6/15/23, 3.25%, 6/15/32(2) | | | 10,250 | | | | 10,920,350 | |
Rutgers State University, NJ, Prerefunded to 5/1/23, 4.00%, 5/1/30(2) | | | 8,425 | | | | 9,075,073 | |
San Bernardino Community College District, CA, Prerefunded to 8/1/23, 4.00%, 8/1/30(2) | | | 10,000 | | | | 10,875,400 | |
Savannah Economic Development Authority, GA, (Marshes of Skidaway Island), Escrowed to Maturity, 6.00%, 1/1/24 | | | 240 | | | | 262,918 | |
| | | | | | | | |
Security | | Principal Amount (000’s omitted) | | | Value | |
Scottsdale Municipal Property Corp., AZ, Excise Tax Revenue: | |
Prerefunded to 7/1/25, 4.00%, 7/1/30(2) | | $ | 2,000 | | | $ | 2,301,080 | |
Prerefunded to 7/1/25, 4.00%, 7/1/31(2) | | | 5,680 | | | | 6,535,067 | |
Prerefunded to 7/1/25, 4.00%, 7/1/32(2) | | | 2,120 | | | | 2,439,145 | |
Tempe Union High School District No. 213, AZ: | |
Prerefunded to 7/1/23, 4.00%, 7/1/29(2) | | | 4,200 | | | | 4,551,120 | |
Prerefunded to 7/1/23, 4.00%, 7/1/30(2) | | | 4,350 | | | | 4,713,660 | |
| | | | | | | | |
| | | | | | $ | 76,701,644 | |
| | | | | | | | |
General Obligations — 24.5% | |
Chicago Board of Education, IL: | |
5.00%, 12/1/26 | | $ | 3,000 | | | $ | 3,554,430 | |
5.00%, 12/1/27 | | | 500 | | | | 603,835 | |
Clackamas Community College District, OR: | |
0.00%, 6/15/28 | | | 1,830 | | | | 1,557,751 | |
0.00%, 6/15/29 | | | 1,000 | | | | 813,150 | |
Clovis Unified School District, CA, (Election of 2012): | |
0.00%, 8/1/28 | | | 1,000 | | | | 831,670 | |
0.00%, 8/1/29 | | | 2,395 | | | | 1,898,636 | |
0.00%, 8/1/30 | | | 2,575 | | | | 1,942,013 | |
Detroit, MI, 5.00%, 4/1/27 | | | 1,700 | | | | 2,010,148 | |
Illinois: | |
5.00%, 11/1/29 | | | 1,500 | | | | 1,787,760 | |
5.00%, 5/1/33 | | | 3,200 | | | | 3,526,080 | |
5.00%, 5/1/39 | | | 1,165 | | | | 1,276,258 | |
Leander Independent School District, TX, (PSF Guaranteed), 0.00%, 8/15/31 | | | 5,000 | | | | 3,579,700 | |
Pennsylvania, 4.00%, 4/1/29(2) | | | 10,000 | | | | 10,715,400 | |
Riverside County Community College District, CA, (Election of 2004): | |
Prerefunded to 2/1/25, 0.00%, 8/1/29 | | | 1,500 | | | | 1,184,130 | |
Prerefunded to 2/1/25, 0.00%, 8/1/30 | | | 1,250 | | | | 936,750 | |
Texas, (Texas Transportation Commission), 4.00%, 10/1/31(2) | | | 10,000 | | | | 11,005,700 | |
Washington, 4.00%, 7/1/29(2) | | | 10,000 | | | | 10,730,100 | |
| | | | | | | | |
| | | | | | $ | 57,953,511 | |
| | | | | | | | |
Hospital — 12.7% | |
Bucks County Industrial Development Authority, PA, (Grand View Hospital), 5.00%, 7/1/29 | | $ | 550 | | | $ | 672,221 | |
California Health Facilities Financing Authority, (Providence Health & Services), 4.00%, 10/1/28(2) | | | 10,000 | | | | 11,032,100 | |
Illinois Finance Authority, (Presence Health Network), 5.00%, 2/15/29 | | | 2,635 | | | | 3,243,053 | |
New York Dormitory Authority, (Orange Regional Medical Center): | |
5.00%, 12/1/29(1) | | | 450 | | | | 512,806 | |
5.00%, 12/1/30(1) | | | 1,000 | | | | 1,135,800 | |
Southeastern Ohio Port Authority, (Memorial Health System Obligated Group), 5.50%, 12/1/29 | | | 985 | | | | 1,093,301 | |
Tarrant County Cultural Education Facilities Finance Corp., TX, (Baylor Health Care System), Prerefunded to 5/15/23, 4.00%, 11/15/32(2) | | | 10,000 | | | | 10,776,000 | |
Yavapai County Industrial Development Authority, AZ, (Yavapai Regional Medical Center), 5.00%, 8/1/28 | | | 1,500 | | | | 1,629,255 | |
| | | | | | | | |
| | | | | | $ | 30,094,536 | |
| | | | | | | | |
Housing — 4.4% | |
Pennsylvania Housing Finance Agency, SFMR, (AMT), 3.90%, 10/1/28(2) | | $ | 233 | | | $ | 238,075 | |
Virginia Housing Development Authority, 3.625%, 1/1/31(2) | | | 10,000 | | | | 10,284,500 | |
| | | | | | | | |
| | | | | | $ | 10,522,575 | |
| | | | | | | | |
| | | | | | | | |
Security | | Principal Amount (000’s omitted) | | | Value | |
Industrial Development Revenue — 8.1% | |
Louisiana Public Facilities Authority, (Cleco Power LLC), 4.25%, 12/1/38 | | $ | 2,395 | | | $ | 2,508,451 | |
Matagorda County Navigation District No. 1, TX, (AEP Texas Central Co.): | | | | | | | | |
Series 2008-1, 4.00%, 6/1/30 | | | 540 | | | | 567,270 | |
Series 2008-2, 4.00%, 6/1/30 | | | 3,000 | | | | 3,151,500 | |
National Finance Authority, NH, (Covanta), (AMT), 4.00%, 11/1/27(1) | | | 2,500 | | | | 2,612,600 | |
New Jersey Economic Development Authority, (Continental Airlines), (AMT), 5.625%, 11/15/30 | | | 1,355 | | | | 1,520,784 | |
New York Transportation Development Corp., (Delta Air Lines, Inc. - LaGuardia Airport Terminals C&D Redevelopment), (AMT), 4.00%, 10/1/30 | | | 3,000 | | | | 3,552,870 | |
Ohio Air Quality Development Authority, (Pratt Paper, LLC), (AMT), 3.75%, 1/15/28(1) | | | 1,060 | | | | 1,160,446 | |
Public Finance Authority, WI, (Celanese Corp.), 4.05%, 11/1/30 | | | 3,000 | | | | 3,305,760 | |
Tuscaloosa County Industrial Development Authority, AL, (Hunt Refining Co.), 4.50%, 5/1/32(1) | | | 555 | | | | 634,520 | |
Vermont Economic Development Authority, (Casella Waste Systems, Inc.), (AMT), 4.625% to 4/3/28 (Put Date), 4/1/36(1) | | | 105 | | | | 120,088 | |
| | | | | | | | |
| | | | | | $ | 19,134,289 | |
| | | | | | | | |
Insured-Electric Utilities — 2.6% | |
Puerto Rico Electric Power Authority: | |
(NPFG), 5.25%, 7/1/29 | | $ | 500 | | | $ | 558,145 | |
(NPFG), 5.25%, 7/1/30 | | | 5,000 | | | | 5,589,050 | |
| | | | | | | | |
| | | | | | $ | 6,147,195 | |
| | | | | | | | |
Insured-General Obligations — 3.3% | |
Chicago Board of Education, IL, (AGM), 5.00%, 12/1/28 | | $ | 250 | | | $ | 316,355 | |
Grossmont Union High School District, CA, (Election of 2008), (AGM), 0.00%, 8/1/29 | | | 4,000 | | | | 3,171,400 | |
Luzerne County, PA, (AGM), 5.00%, 11/15/29 | | | 2,000 | | | | 2,377,760 | |
McHenry County Community Unit School District No. 12, IL, (AGM), 4.25%, 1/1/29 | | | 1,230 | | | | 1,346,210 | |
Puerto Rico Public Buildings Authority, (NPFG), 6.00%, 7/1/28 | | | 500 | | | | 516,855 | |
| | | | | | | | |
| | | | | | $ | 7,728,580 | |
| | | | | | | | |
Insured-Special Tax Revenue — 0.6% | |
Puerto Rico Convention Center District Authority, (AMBAC), 5.00%, 7/1/31 | | $ | 1,475 | | | $ | 1,510,533 | |
| | | | | | | | |
| | | | | | $ | 1,510,533 | |
| | | | | | | | |
Insured-Transportation — 4.5% | |
Foothill/Eastern Transportation Corridor Agency, CA, (AGM), 5.625%, (0.00% until 1/15/24), 1/15/32 | | $ | 795 | | | $ | 944,746 | |
New Jersey Economic Development Authority, (The Goethals Bridge Replacement), (AGM), (AMT), 5.00%, 1/1/31 | | | 1,340 | | | | 1,500,157 | |
New Jersey Transportation Trust Fund Authority, (Transportation System), (AMBAC), 0.00%, 12/15/28 | | | 9,095 | | | | 8,084,364 | |
| | | | | | | | |
| | | | | | $ | 10,529,267 | |
| | | | | | | | |
Insured-Water and Sewer — 2.3% | |
Jefferson County, AL, Sewer Revenue: | |
(AGM), 0.00%, 10/1/27 | | $ | 875 | | | $ | 704,489 | |
(AGM), 0.00%, 10/1/29 | | | 1,225 | | | | 862,400 | |
(AGM), 0.00%, 10/1/30 | | | 1,045 | | | | 685,436 | |
(AGM), 0.00%, 10/1/33 | | | 5,870 | | | | 3,144,324 | |
| | | | | | | | |
| | | | | | $ | 5,396,649 | |
| | | | | | | | |
| | | | | | | | |
Security | | Principal Amount (000’s omitted) | | | Value | |
Lease Revenue/Certificates of Participation — 2.6% | |
Michigan Strategic Fund, (Facility for Rare Isotope Beams), 4.00%, 3/1/31 | | $ | 1,000 | | | $ | 1,080,870 | |
New Jersey Economic Development Authority, (School Facilities Construction): | |
5.00%, 6/15/28 | | | 3,000 | | | | 3,777,390 | |
5.00%, 6/15/30 | | | 1,000 | | | | 1,260,840 | |
| | | | | | | | |
| | | | | | $ | 6,119,100 | |
| | | | | | | | |
Other Revenue — 0.3% | |
Kalispel Tribe of Indians, WA, Series A, 5.00%, 1/1/32(1) | | $ | 700 | | | $ | 806,701 | |
| | | | | | | | |
| | | | | | $ | 806,701 | |
| | | | | | | | |
Senior Living/Life Care — 10.9% | |
Bexar County Health Facilities Development Corp., TX, (Army Retirement Residence Foundation), 5.00%, 7/15/28 | | $ | 225 | | | $ | 246,512 | |
Buffalo and Erie County Industrial Land Development Corp., NY, (Orchard Park CCRC, Inc.), 5.00%, 11/15/28 | | | 1,360 | | | | 1,517,733 | |
Colorado Health Facilities Authority, (Frasier Meadows Retirement Community): | |
5.25%, 5/15/28 | | | 250 | | | | 289,323 | |
Prerefunded to 5/15/23, 5.00%, 5/15/30 | | | 410 | | | | 448,364 | |
Franklin County Industrial Development Authority, PA, (Menno-Haven, Inc.): | |
5.00%, 12/1/27 | | | 250 | | | | 282,730 | |
5.00%, 12/1/28 | | | 250 | | | | 281,335 | |
Harris County Cultural Education Facilities Finance Corp., TX, (Brazos Presbyterian Homes, Inc.), 5.75%, 1/1/28 | | | 140 | | | | 147,833 | |
Illinois Finance Authority, (Plymouth Place, Inc.), 5.00%, 5/15/30 | | | 2,750 | | | | 3,239,555 | |
Lancaster County Hospital Authority, PA, (Brethren Village), 5.00%, 7/1/30 | | | 1,025 | | | | 1,142,496 | |
Massachusetts Development Finance Agency, (Linden Ponds, Inc.), 5.00%, 11/15/28(1) | | | 300 | | | | 339,558 | |
Montgomery County Industrial Development Authority, PA, (Whitemarsh Continuing Care Retirement Community), 4.25%, 1/1/28 | | | 2,300 | | | | 2,408,583 | |
Multnomah County Hospital Facilities Authority, OR, (Mirabella at South Waterfront), 5.125%, 10/1/34 | | | 1,500 | | | | 1,625,280 | |
New Hope Cultural Education Facilities Finance Corp., TX, (Longhorn Village), 5.00%, 1/1/28 | | | 1,145 | | | | 1,252,481 | |
New Jersey Economic Development Authority, (United Methodist Homes of New Jersey): | |
4.00%, 7/1/27 | | | 765 | | | | 790,245 | |
4.00%, 7/1/28 | | | 910 | | | | 938,674 | |
North Carolina Medical Care Commission, (Galloway Ridge), 5.00%, 1/1/29 | | | 560 | | | | 643,182 | |
Palm Beach County Health Facilities Authority, FL, (Sinai Residences of Boca Raton), 7.25%, 6/1/34 | | | 1,210 | | | | 1,298,173 | |
Public Finance Authority, WI, (Church Home of Hartford, Inc.), 5.00%, 9/1/25(1) | | | 1,200 | | | | 1,292,376 | |
Rockville, MD, (Ingleside at King Farm), 5.00%, 11/1/29 | | | 1,100 | | | | 1,183,776 | |
St. Louis County Industrial Development Authority, MO, (Friendship Village St. Louis Obligated Group), 5.00%, 9/1/28 | | | 635 | | | | 731,590 | |
Tarrant County Cultural Education Facilities Finance Corp., TX, (MRC Stevenson Oaks), 6.25%, 11/15/31 | | | 380 | | | | 427,405 | |
Tarrant County Cultural Education Facilities Finance Corp., TX, (Trinity Terrace), 5.00%, 10/1/29 | | | 1,045 | | | | 1,161,277 | |
Tempe Industrial Development Authority, AZ, (Mirabella at ASU), 5.50%, 10/1/27(1) | | | 900 | | | | 979,416 | |
Tulsa County Industrial Authority, OK, (Montereau, Inc.), 5.00%, 11/15/26 | | | 345 | | | | 390,116 | |
Vermont Economic Development Authority, (Wake Robin Corp.): | |
5.00%, 5/1/27 | | | 500 | | | | 562,635 | |
5.00%, 5/1/28 | | | 750 | | | | 838,672 | |
Warren County, OH, (Otterbein Homes Obligated Group), 5.00%, 7/1/28 | | | 1,200 | | | | 1,296,168 | |
| | | | | | | | |
| | | | | | $ | 25,755,488 | |
| | | | | | | | |
| | | | | | | | |
Security | | Principal Amount (000’s omitted) | | | Value | |
Special Tax Revenue — 11.6% | |
Lakewood Ranch Stewardship District, FL, (Villages of Lakewood Ranch), 4.25%, 5/1/26 | | $ | 1,335 | | | $ | 1,411,642 | |
Metropolitan Development and Housing Agency, TN, (Fifth + Broadway Development), 4.50%, 6/1/28(1) | | | 750 | | | | 826,912 | |
Michigan Finance Authority, Detroit Financial Recovery Income Tax Revenue, 4.50%, 10/1/29 | | | 895 | | | | 933,745 | |
New York Dormitory Authority, Sales Tax Revenue, 4.00%, 3/15/30(2) | | | 10,000 | | | | 10,618,800 | |
New York State Urban Development Corp., Personal Income Tax Revenue, 5.00%, 3/15/30(2) | | | 12,000 | | | | 13,581,960 | |
| | | | | | | | |
| | | | | | $ | 27,373,059 | |
| | | | | | | | |
Student Loan — 2.2% | |
Massachusetts Educational Financing Authority: | |
(AMT), 4.125%, 1/1/29 | | $ | 215 | | | $ | 219,954 | |
(AMT), 5.00%, 1/1/27 | | | 3,000 | | | | 3,388,830 | |
New Jersey Higher Education Student Assistance Authority: | | | | | | | | |
Series 2013-1A, (AMT), 4.00%, 12/1/28 | | | 625 | | | | 648,250 | |
Series 2015-1A, (AMT), 4.00%, 12/1/28 | | | 955 | | | | 1,025,765 | |
| | | | | | | | |
| | | | | | $ | 5,282,799 | |
| | | | | | | | |
Transportation — 11.6% | |
Foothill/Eastern Transportation Corridor Agency, CA, 5.90%, (0.00% until 1/15/24), 1/15/27 | | $ | 2,000 | | | $ | 2,160,820 | |
Grand Parkway Transportation Corp., TX: | |
4.95%, (0.00% until 10/1/23), 10/1/29 | | | 800 | | | | 925,984 | |
5.05%, (0.00% until 10/1/23), 10/1/30 | | | 1,500 | | | | 1,731,690 | |
5.20%, (0.00% until 10/1/23), 10/1/31 | | | 2,000 | | | | 2,313,480 | |
Houston, TX, (United Airlines, Inc.), (AMT), 5.00%, 7/1/29 | | | 1,470 | | | | 1,607,518 | |
Kentucky Public Transportation Infrastructure Authority, (Downtown Crossing Project), 0.00%, 7/1/28 | | | 1,240 | | | | 873,853 | |
Metropolitan Transportation Authority, NY, 5.00% to 5/15/30 (Put Date), 11/15/45 | | | 2,250 | | | | 2,904,345 | |
New York Transportation Development Corp., (LaGuardia Airport Terminal B Redevelopment), (AMT), 5.00%, 7/1/34 | | | 4,000 | | | | 4,527,640 | |
Port Authority of New York and New Jersey, (AMT), 4.00%, 7/15/36(2) | | | 10,000 | | | | 10,502,300 | |
| | | | | | | | |
| | | | | | $ | 27,547,630 | |
| | | | | | | | |
Water and Sewer — 5.8% | |
Michigan Finance Authority, (Detroit Water and Sewerage Department), 5.00%, 7/1/30 | | $ | 5,000 | | | $ | 5,697,550 | |
Northeast Ohio Regional Sewer District, 4.00%, 11/15/33(2) | | | 7,500 | | | | 7,963,725 | |
| | | | | | | | |
| | | | | | $ | 13,661,275 | |
| | | | | | | | |
| | |
Total Tax-Exempt Municipal Obligations — 146.8% (identified cost $317,864,619) | | | | | | $ | 347,535,267 | |
| | | | | | | | |
The percentage shown for each investment category in the Portfolio of Investments is based on net assets.
At April 30, 2021, the concentration of the Trust’s investments in the various states and territories, determined as a percentage of total investments, is as follows:
The Trust invests primarily in debt securities issued by municipalities. The ability of the issuers of the debt securities to meet their obligations may be affected by economic developments in a specific industry or municipality. At April 30, 2021, 9.9% of total investments are backed by bond insurance of various financial institutions and financial guaranty assurance agencies. The aggregate percentage insured by an individual financial institution or financial guaranty assurance agency ranged from 1.9% to 4.2% of total investments.
The Trust did not have any open derivative instruments at April 30, 2021.
Under generally accepted accounting principles for fair value measurements, a three-tier hierarchy to prioritize the assumptions, referred to as inputs, is used in valuation techniques to measure fair value. The three-tier hierarchy of inputs is summarized in the three broad levels listed below.
In cases where the inputs used to measure fair value fall in different levels of the fair value hierarchy, the level disclosed is determined based on the lowest level input that is significant to the fair value measurement in its entirety. The inputs or methodology used for valuing securities are not necessarily an indication of the risk associated with investing in those securities.
At April 30, 2021, the hierarchy of inputs used in valuing the Trust’s investments, which are carried at value, were as follows:
For information on the Trust’s policy regarding the valuation of investments and other significant accounting policies, please refer to the Trust’s most recent financial statements included in its semiannual or annual report to shareholders.