| Principal Amount USD ($) | | | | Value |
| | | UNAFFILIATED ISSUERS - 93.8% | | |
| | | DEBTOR IN POSSESSION FINANCING - 0.3% of Net Assets# |
| | | Entertainment - 0.3% | |
| 5,000,000 | | Enterprise Development Authority, 12.0%, 7/15/24 (144A) | $5,600,000 |
| | | Total Entertainment | | $5,600,000 |
| | | TOTAL DEBTOR IN POSSESSION FINANCING | |
| | | (Cost $5,248,622) | $5,600,000 |
| | | MUNICIPAL BONDS - 92.7% of Net Assets(a) |
| | | Alabama - 1.3% | |
| 3,500,000 | | Tuscaloosa County Industrial Development Authority, Hunt Refining Project, Series A, 4.5%, 5/1/32 (144A) | $3,885,000 |
| 17,500,000 | | Tuscaloosa County Industrial Development Authority, Hunt Refining Project, Series A, 5.25%, 5/1/44 (144A) | 19,600,000 |
| | | Total Alabama | | $23,485,000 |
| | | Alaska - 2.1% | |
| 5,420,000 | | Northern Tobacco Securitization Corp., 5.0%, 6/1/32 | $5,467,425 |
| 31,985,000 | | Northern Tobacco Securitization Corp., Asset-Backed, Series A, 5.0%, 6/1/46 | 32,264,869 |
| | | Total Alaska | | $37,732,294 |
| | | Arizona - 2.2% | |
| 1,675,000 | | Arizona Industrial Development Authority, Doral Academy Nevada Fire Mesa, Series A, 5.0%, 7/15/49 (144A) | $1,828,765 |
| 5,000,000 | | City of Phoenix Civic Improvement Corp., 5.0%, 7/1/44 | 6,642,800 |
| 12,865,000 | | City of Phoenix, Industrial Development Authority, 3rd & Indian School Assisted Living Project, 5.4%, 10/1/36 | 13,371,238 |
| 9,400,000 | | City of Phoenix, Industrial Development Authority, Deer Valley Veterans Assisted Living Project, 5.125%, 7/1/36 | 9,535,454 |
| 1,000,000 | | County of Pima, Industrial Development Authority, Facility Desert Heights Charter, 7.0%, 5/1/34 | 1,100,030 |
| 3,000,000 | | County of Pima, Industrial Development Authority, Facility Desert Heights Charter, 7.25%, 5/1/44 | 3,255,270 |
| 1,700,000 | | Tempe Industrial Development Authority, Revenue Mirabella At ASU Project, Series A, 6.125%, 10/1/47 (144A) | 1,758,599 |
| 2,400,000 | | Tempe Industrial Development Authority, Revenue Mirabella At ASU Project, Series A, 6.125%, 10/1/52 (144A) | 2,475,840 |
| | | Total Arizona | | $39,967,996 |
| | | Arkansas - 1.7% | |
| 29,265,000 | | Arkansas Development Finance Authority, Big River Steel Project, 4.5%, 9/1/49 (144A) | $30,911,156 |
| | | Total Arkansas | | $30,911,156 |
| | | California - 11.5% | |
| 5,165,000 | | California County Tobacco Securitization Agency, Asset-Backed, Gold Country Funding Corp., 5.25%, 6/1/46 | $5,168,512 |
| 12,025,000 | | California Educational Facilities Authority, 5.0%, 5/1/45 | 19,544,954 |
| 4,495,000 | | California Educational Facilities Authority, Stanford University, Series U-7, 5.0%, 6/1/46 | 7,339,121 |
| 11,020,000 | | California Educational Facilities Authority, Stanford University, Series V-1, 5.0%, 5/1/49 | 18,291,988 |
| 2,000,000 | | California Municipal Finance Authority, 5.0%, 11/1/49 (144A) | 2,126,140 |
| 1,600,000 | | California Municipal Finance Authority, 5.5%, 11/1/45 (144A) | 1,717,856 |
| 250,000 | | California Municipal Finance Authority, John Adams Academics Project, Series A, 5.0%, 10/1/35 | 261,963 |
| 1,550,000 | | California Municipal Finance Authority, John Adams Academics Project, Series A, 5.25%, 10/1/45 | 1,612,279 |
| 500,000 | | California Municipal Finance Authority, Santa Rosa Academy Project, 5.125%, 7/1/35 (144A) | 539,590 |
| 1,575,000 | | California Municipal Finance Authority, Santa Rosa Academy Project, 5.375%, 7/1/45 (144A) | 1,695,487 |
| 6,300,000 | | California Municipal Finance Authority, Santa Rosa Academy Project, 6.0%, 7/1/42 | 6,611,094 |
| 2,900,000(b) | | California School Finance Authority, Classical Academies Project, Series A, 7.375%, 10/1/43 | 3,277,116 |
| 215,000 | | California School Finance Authority, View Park Elementary & Middle School, Series A, 4.75%, 10/1/24 | 229,315 |
| 830,000 | | California School Finance Authority, View Park Elementary & Middle School, Series A, 5.625%, 10/1/34 | 904,791 |
| 2,175,000 | | California School Finance Authority, View Park Elementary & Middle School, Series A, 5.875%, 10/1/44 | 2,361,811 |
| 1,000,000 | | California School Finance Authority, View Park Elementary & Middle School, Series A, 6.0%, 10/1/49 | 1,088,200 |
| 3,230,000 | | California School Finance Authority, View Park High School, Series A, 7.125%, 10/1/48 (144A) | 3,578,129 |
| 1,875,000 | | California Statewide Communities Development Authority, 5.0%, 11/1/41 (144A) | 2,071,781 |
| 1,560,000 | | California Statewide Communities Development Authority, Baptist University, Series A, 6.125%, 11/1/33 | 1,715,251 |
| 4,030,000 | | California Statewide Communities Development Authority, Baptist University, Series A, 6.375%, 11/1/43 | 4,371,462 |
| 1,000,000 | | California Statewide Communities Development Authority, Loma Linda University Medical Center, Series A, 5.25%, 12/1/43 (144A) | 1,136,400 |
| 13,095,000 | | California Statewide Communities Development Authority, Loma Linda University Medical Center, Series A, 5.25%, 12/1/56 (144A) | 14,424,535 |
| 10,000,000 | | California Statewide Communities Development Authority, Loma Linda University Medical Center, Series A, 5.5%, 12/1/58 (144A) | 11,465,000 |
| 700,000 | | City of Oroville CA, 5.25%, 4/1/34 | 791,658 |
| 4,730,000 | | City of Oroville CA, 5.25%, 4/1/39 | 5,303,844 |
| 8,415,000 | | City of Oroville CA, 5.25%, 4/1/49 | 9,358,237 |
| 13,200,000 | | City of Oroville, Oroville Hospital, 5.25%, 4/1/54 | 14,654,640 |
| Principal Amount USD ($) | | | | Value |
| | | California - (continued) | |
| 9,825,000 | | Golden State Tobacco Securitization Corp., Asset-Backed, Series A-2, 5.3%, 6/1/37 | $10,218,000 |
| 30,830,000 | | Golden State Tobacco Securitization Corp., Series A-1, 5.0%, 6/1/47 | 31,947,588 |
| 11,815,000 | | Golden State Tobacco Securitization Corp., Series A-1, 5.25%, 6/1/47 | 12,258,063 |
| 2,500,000(c) | | Pittsburg Unified School District Financing Authority, 9/1/41 (AGM Insured) | 1,555,550 |
| 1,925,000(c) | | Pittsburg Unified School District Financing Authority, 9/1/42 (AGM Insured) | 1,160,660 |
| 8,000,000 | | Tobacco Securitization Authority of Northern California, 5.5%, 6/1/45 | 8,170,000 |
| | | Total California | | $206,951,015 |
| | | Colorado - 3.4% | |
| 4,535,000(d) | | 2000 Holly Metropolitan District, 5.0%, 12/1/50 | $4,538,265 |
| 577,000(d) | | 2000 Holly Metropolitan District, 7.5%, 12/15/50 | 588,350 |
| 865,000(d) | | Belleview Village Metropolitan District, 4.95%, 12/1/50 | 872,050 |
| 2,345,000(b)(d) | | Castle Oaks Metropolitan District No. 3, 5.5%, 12/1/45 | 2,415,350 |
| 2,860,000(b)(d) | | Castle Oaks Metropolitan District No. 3, 6.25%, 12/1/44 | 2,945,800 |
| 2,000,000(b) | | Colorado Educational & Cultural Facilities Authority, Rocky Mountain Classical Academy Project, 8.0%, 9/1/43 | 2,422,860 |
| 5,000,000(b) | | Colorado Educational & Cultural Facilities Authority, Rocky Mountain Classical Academy Project, 8.125%, 9/1/48 | 6,074,200 |
| 2,000,000(d) | | Copperleaf Metropolitan District No. 2, 5.75%, 12/1/45 | 2,060,000 |
| 1,250,000(d) | | Cottonwood Highlands Metropolitan District No. 1, Series A, 5.0%, 12/1/49 | 1,284,237 |
| 2,090,000(d) | | Cottonwood Highlands Metropolitan District No. 1, Series B, 8.75%, 12/15/49 | 2,147,496 |
| 2,840,000(d) | | Crystal Crossing Metropolitan District, 5.25%, 12/1/40 | 2,905,036 |
| 3,379,000 | | Dominion Water & Sanitation District, 6.0%, 12/1/46 | 3,516,221 |
| 3,550,000(d) | | Green Valley Ranch East Metropolitan District No 6, 5.875%, 12/1/50 | 3,684,829 |
| 7,635,000(d) | | Larkridge Metropolitan District No. 2, 5.25%, 12/1/48 | 7,977,888 |
| 3,327,000(d) | | Littleton Village Metropolitan District No. 2, 5.375%, 12/1/45 | 3,384,624 |
| 1,125,000 | | Nine Mile Metropolitan District, 4.625%, 12/1/30 | 1,125,821 |
| 2,500,000 | | Nine Mile Metropolitan District, 5.125%, 12/1/40 | 2,501,775 |
| 1,000,000(d) | | Settler’s Crossing Metropolitan District No 1, 5.0%, 12/1/40 (144A) | 1,019,480 |
| 2,130,000(d) | | Settler’s Crossing Metropolitan District No 1, 5.125%, 12/1/50 (144A) | 2,171,556 |
| 597,000(d) | | Settler’s Crossing Metropolitan District No 1, 7.625%, 12/15/50 | 609,274 |
| 1,875,000(d) | | Village at Dry Creek Metropolitan District No 2, 4.375%, 12/1/44 | 1,835,419 |
| 1,250,000(d) | | Villas Metropolitan District, Series A, 5.125%, 12/1/48 | 1,342,613 |
| 1,240,000(d) | | Willow Bend Metropolitan District, 5.0%, 12/1/39 | 1,285,136 |
| 1,460,000(d) | | Willow Bend Metropolitan District, 5.0%, 12/1/49 | 1,490,894 |
| 755,000(d) | | Willow Bend Metropolitan District, 7.625%, 12/15/49 | 770,915 |
| | | Total Colorado | | $60,970,089 |
| | | District of Columbia - 0.8% | |
| 735,000 | | District of Columbia Tobacco Settlement Financing Corp., Asset-Backed, 6.75%, 5/15/40 | $757,050 |
| 10,000,000(d) | | District of Columbia, Series A, 5.0%, 10/15/44 | 12,836,400 |
| | | Total District of Columbia | | $13,593,450 |
| | | Florida - 0.2% | |
| 500,000 | | Capital Trust Agency, Inc., H Bay Ministries, Inc., 5.0%, 7/1/43 | $275,660 |
| 750,000 | | Capital Trust Agency, Inc., H Bay Ministries, Inc., 5.0%, 7/1/53 | 413,483 |
| 500,000 | | Capital Trust Agency, Inc., H Bay Ministries, Inc., 5.25%, 7/1/48 | 275,625 |
| 700,000 | | County of Lake FL, 5.0%, 1/15/39 (144A) | 748,734 |
| 1,525,000 | | County of Lake FL, 5.0%, 1/15/49 (144A) | 1,607,426 |
| 850,000 | | County of Lake FL, 5.0%, 1/15/54 (144A) | 892,874 |
| | | Total Florida | | $4,213,802 |
| | | Guam - 0.1% | |
| 1,100,000 | | Guam Economic Development & Commerce Authority, 5.625%, 6/1/47 | $1,100,033 |
| | | Total Guam | | $1,100,033 |
| | | Illinois - 11.3% | |
| 1,305,000(d) | | Chicago Board of Education, 5.0%, 12/1/44 | $1,345,377 |
| 4,275,000(d) | | Chicago Board of Education, 5.0%, 12/1/46 | 4,399,488 |
| 15,000,000(d) | | Chicago Board of Education, 5.0%, 12/1/46 | 15,766,350 |
| 35,000(d) | | Chicago Board of Education, 5.25%, 12/1/41 | 35,423 |
| 5,000,000(d) | | Chicago Board of Education, 5.5%, 12/1/31 (AMBAC Insured) | 6,002,500 |
| 1,000,000 | | Chicago Board of Education, 5.75%, 4/1/35 | 1,170,070 |
| 8,010,000 | | Chicago Board of Education, 6.0%, 4/1/46 | 9,285,592 |
| 2,415,000(d) | | Chicago Board of Education Project, Series C, 5.25%, 12/1/39 | 2,526,042 |
| 2,035,000(d) | | Chicago Board of Education, Series A, 5.0%, 12/1/33 | 2,168,801 |
| 925,000(d) | | Chicago Board of Education, Series A, 5.0%, 12/1/41 | 932,779 |
| 12,075,000(d) | | Chicago Board of Education, Series A, 5.0%, 12/1/42 | 12,216,640 |
| 1,575,000(d) | | Chicago Board of Education, Series A, 5.5%, 12/1/39 | 1,598,483 |
| 1,000,000(d) | | Chicago Board of Education, Series A, 7.0%, 12/1/46 (144A) | 1,241,500 |
| 8,000,000(d) | | Chicago Board of Education, Series B, 6.5%, 12/1/46 | 9,415,440 |
| 3,250,000(d) | | Chicago Board of Education, Series D, 5.0%, 12/1/31 | 3,481,465 |
| 10,000,000(d) | | City of Chicago IL, 5.0%, 1/1/28 | 11,072,000 |
| 3,435,000(d) | | City of Chicago IL, 5.5%, 1/1/30 | 3,729,414 |
| 9,200,000(d) | | City of Chicago IL, 5.5%, 1/1/35 | 10,287,992 |
| 12,000,000(d) | | City of Chicago IL, 5.5%, 1/1/49 | 13,194,600 |
| 7,975,000(d) | | City of Chicago IL, 6.0%, 1/1/38 | 8,917,884 |
| 2,000,000(d) | | City of Chicago, Series A, 5.0%, 1/1/44 | 2,124,940 |
| 4,695,000 | | City of Plano IL Special Service Area No 3 & No 4, 4.0%, 3/1/35 | 4,763,500 |
| 1,591,212(c) | | Illinois Finance Authority, 11/15/52 | 129,970 |
| 2,520,597(e) | | Illinois Finance Authority, 4.0%, 11/15/52 | 2,533,729 |
| 4,050,000 | | Illinois Finance Authority, 6.0%, 11/15/36 | 4,073,936 |
| Principal Amount USD ($) | | | | Value |
| | | Illinois - (continued) | |
| 2,634,795(c) | | Illinois Finance Authority, Clare Oaks Project, Series C-1, 11/15/52 | $263 |
| 526,959 | | Illinois Finance Authority, Clare Oaks Project, Series C-2, 4.0%, 11/15/52 | 53 |
| 526,959(f) | | Illinois Finance Authority, Clare Oaks Project, Series C-3, 0.0%, 11/15/52 | 53 |
| 865,000 | | Illinois Finance Authority, Norwegian American Hospital, Inc., 7.625%, 9/15/28 | 867,405 |
| 4,700,000 | | Illinois Finance Authority, Norwegian American Hospital, Inc., 7.75%, 9/15/38 | 4,804,998 |
| 25,000,000 | | Metropolitan Pier & Exposition Authority, 5.0%, 6/15/50 | 28,027,250 |
| 23,000,000 | | Metropolitan Pier & Exposition Authority, Mccormick Place Expansion Project, Series A, 5.0%, 6/15/57 | 25,315,640 |
| 2,830,000 | | Metropolitan Pier & Exposition Authority, McCormick Place, Series B, 5.0%, 6/15/52 (ST APPROP Insured) | 2,909,155 |
| 7,690,000(f) | | Southwestern Illinois Development Authority, Comprehensive Mental Health Center, 6.625%, 6/1/37 | 5,306,100 |
| 1,415,000 | | Southwestern Illinois Development Authority, Village of Sauget Project, 5.625%, 11/1/26 | 1,344,278 |
| 1,225,000 | | Village of Matteson IL, 6.5%, 12/1/35 | 1,310,248 |
| 1,210,000 | | Village of Volo IL Special Service Area No 17, 5.5%, 3/1/47 | 1,233,305 |
| | | Total Illinois | | $203,532,663 |
| | | Indiana - 7.3% | |
| 2,745,000 | | City of Anderson IN, 5.375%, 1/1/40 | $2,785,269 |
| 1,750,000(f) | | City of Carmel, Barrington Carmel Project, Series A, 7.0%, 11/15/32 | 50,312 |
| 2,000,000(f) | | City of Carmel, Barrington Carmel Project, Series A, 7.125%, 11/15/42 | 57,500 |
| 2,000,000(f) | | City of Carmel, Barrington Carmel Project, Series A, 7.125%, 11/15/47 | 57,500 |
| 775,000 | | City of Evansville IN, 4.8%, 1/1/28 | 767,638 |
| 6,475,000 | | City of Evansville, Silver Birch Evansville Project, 5.45%, 1/1/38 | 6,503,749 |
| 700,000 | | City of Fort Wayne, Silver Birch Fort Wayne Project, 5.125%, 1/1/32 | 712,439 |
| 4,565,000 | | City of Fort Wayne, Silver Birch Fort Wayne Project, 5.35%, 1/1/38 | 4,645,481 |
| 24,990,000 | | City of Hammond, Custodial Receipts Cabelas Project, 7.5%, 2/1/29 (144A) | 25,022,987 |
| 1,275,000 | | City of Kokomo, Silver Birch of Kokomo, 5.75%, 1/1/34 | 1,339,668 |
| 7,825,000 | | City of Kokomo, Silver Birch of Kokomo, 5.875%, 1/1/37 | 8,222,432 |
| 1,230,000 | | City of Lafayette, Glasswater Creek Lafayette Project, 5.6%, 1/1/33 | 1,275,080 |
| 6,000,000 | | City of Lafayette, Glasswater Creek Lafayette Project, 5.8%, 1/1/37 | 6,215,040 |
| 1,000,000 | | City of Mishawaka, Silver Birch Mishawaka Project, 5.1%, 1/1/32 (144A) | 996,610 |
| 5,890,000 | | City of Mishawaka, Silver Birch Mishawaka Project, 5.375%, 1/1/38 (144A) | 5,936,237 |
| 2,050,000 | | City of Muncie, Silver Birch Muncie Project, 5.05%, 1/1/31 | 2,110,127 |
| 5,510,000 | | City of Muncie, Silver Birch Muncie Project, 5.25%, 1/1/37 | 5,648,852 |
| 4,560,000 | | City of Terre Haute, Silver Birch Terre Haute Project, 5.35%, 1/1/38 | 4,629,540 |
| 4,000,000(b) | | County of Vigo, Hospital Authority, Union Hospitals, Inc., 8.0%, 9/1/41 | 4,232,320 |
| 7,500,000 | | Indiana Finance Authority, 5.0%, 7/1/44 | 7,977,225 |
| 1,405,000 | | Indiana Finance Authority, 5.0%, 7/1/48 | 1,492,798 |
| 1,705,000 | | Indiana Finance Authority, 5.25%, 1/1/51 | 1,820,991 |
| 5,190,000 | | Indiana Finance Authority, Multipurpose Educational Facilities, Avondale Meadows Academy Project, 5.125%, 7/1/37 | 5,500,673 |
| 330,000 | | Indiana Finance Authority, Multipurpose Educational Facilities, Avondale Meadows Academy Project, 5.375%, 7/1/47 | 349,648 |
| 1,940,000 | | Indiana Finance Authority, Sanders Glen Project, Series A, 4.25%, 7/1/43 | 1,869,753 |
| 1,920,000 | | Indiana Finance Authority, Sanders Glen Project, Series A, 4.5%, 7/1/53 | 1,871,846 |
| 11,985,000 | | Indiana Housing & Community Development Authority, 5.0%, 1/1/39 (144A) | 11,502,244 |
| 8,580,000 | | Indiana Housing & Community Development Authority, Evergreen Village Bloomington Project, 5.5%, 1/1/37 | 8,672,235 |
| 8,000,000 | | Town of Plainfield Multifamily Housing Revenue, Glasswater Creek Project, 5.375%, 9/1/38 | 8,062,560 |
| | | Total Indiana | | $130,328,754 |
| | | Iowa - 1.5% | |
| 8,000,000 | | Iowa Finance Authority, 4.75%, 8/1/42 | $8,200,320 |
| 4,255,000 | | Iowa Tobacco Settlement Authority, 5.6%, 6/1/34 | 4,292,231 |
| 2,500,000 | | Iowa Tobacco Settlement Authority, Asset-Backed, Series C, 5.375%, 6/1/38 | 2,521,875 |
| 4,960,000 | | Iowa Tobacco Settlement Authority, Asset-Backed, Series C, 5.5%, 6/1/42 | 5,003,400 |
| 6,385,000 | | Iowa Tobacco Settlement Authority, Asset-Backed, Series C, 5.625%, 6/1/46 | 6,440,869 |
| | | Total Iowa | | $26,458,695 |
| | | Kansas - 0.8% | |
| 400,000 | | Kansas Development Finance Authority, Village Shalom Project, Series A, 5.25%, 11/15/33 | $403,300 |
| 12,215,000 | | Kansas Development Finance Authority, Village Shalom Project, Series A, 5.25%, 11/15/53 | 11,545,129 |
| 2,000,000 | | Kansas Development Finance Authority, Village Shalom Project, Series A, 5.5%, 11/15/38 | 2,018,900 |
| | | Total Kansas | | $13,967,329 |
| | | Maryland - 0.3% | |
| 4,160,000 | | Maryland Economic Development Corp., 5.0%, 3/31/41 | $4,161,373 |
| 915,000 | | Maryland Health & Higher Educational Facilities Authority, City Neighbors, Series A, 6.75%, 7/1/44 | 981,740 |
| | | Total Maryland | | $5,143,113 |
| | | Massachusetts - 1.6% | |
| 11,500,000 | | Massachusetts Development Finance Agency, 5.0%, 7/1/50 | $19,139,105 |
| 765,000 | | Massachusetts Development Finance Agency, Adventcare Project, 7.625%, 10/15/37 | 557,700 |
| 2,000,000 | | Massachusetts Development Finance Agency, Adventcare Project, Series A, 6.75%, 10/15/37 | 1,911,180 |
| 1,250,000 | | Massachusetts Development Finance Agency, International Charter School, 5.0%, 4/15/40 | 1,386,762 |
| 4,500,000 | | Massachusetts Development Finance Agency, Linden Ponds, Inc. Facility, 5.125%, 11/15/46 (144A) | 4,860,045 |
| 917,706(c) | | Massachusetts Development Finance Agency, Linden Ponds, Inc., Series B, 11/15/56 | 186,203 |
| | | Total Massachusetts | | $28,040,995 |
| Principal Amount USD ($) | | | | Value |
| | | Michigan - 3.3% | |
| 8,565,000 | | David Ellis Academy-West, 5.25%, 6/1/45 | $8,648,509 |
| 1,250,000 | | Flint Michigan Hospital Building Authority, Hurley Medical Center, Series A, 5.25%, 7/1/39 | 1,298,475 |
| 5,485,000 | | Flint Michigan International Academy, Public School Academy, 5.75%, 10/1/37 | 5,494,873 |
| 60,000,000(c) | | Michigan Finance Authority, 6/1/65 | 7,170,000 |
| 1,105,000 | | Michigan Finance Authority, 5.0%, 6/1/40 | 1,274,894 |
| 2,000,000 | | Michigan Finance Authority, 5.0%, 6/1/49 | 2,380,000 |
| 5,720,000 | | Michigan Finance Authority, 5.75%, 4/1/40 | 6,385,350 |
| 3,840,000 | | Michigan Public Educational Facilities Authority, David Ellis-West Project, 5.875%, 6/1/37 | 3,840,000 |
| 7,135,000(e) | | Michigan Strategic Fund, Michigan Department Offices Lease, Series B, 7.75%, 3/1/40 | 7,856,491 |
| 4,000,000(e) | | Michigan Strategic Fund, Series B, 6.625%, 11/1/41 | 4,663,000 |
| 7,550,000 | | University of Michigan, 5.0%, 4/1/50 | 9,822,852 |
| | | Total Michigan | | $58,834,444 |
| | | Minnesota - 1.9% | |
| 1,935,000 | | Bloomington Port Authority, Radisson Blu Mall of America LLC, 9.0%, 12/1/35 | $1,935,445 |
| 4,210,000 | | City of Bethel, Partnership Academy Project, Series A, 5.0%, 7/1/48 | 4,389,935 |
| 1,000,000 | | City of Bethel, Partnership Academy Project, Series A, 5.0%, 7/1/53 | 1,039,530 |
| 2,600,000 | | City of Brooklyn Park, Prairie Seeds Academy Project, Series A, 5.0%, 3/1/34 | 2,677,948 |
| 2,000,000 | | City of Brooklyn Park, Prairie Seeds Academy Project, Series A, 5.0%, 3/1/39 | 2,042,780 |
| 3,515,000 | | City of Deephaven MN, 5.0%, 7/1/55 | 3,800,910 |
| 400,000 | | City of Deephaven, Eagle Ridge Academy Project, Series A, 5.25%, 7/1/37 | 438,672 |
| 1,500,000 | | City of Deephaven, Eagle Ridge Academy Project, Series A, 5.5%, 7/1/50 | 1,638,375 |
| 2,000,000 | | City of Paul Minnesota, Housing & Redevelopment Authority, Great River School Project, Series A, 5.5%, 7/1/52 (144A) | 2,137,400 |
| 1,500,000 | | City of Rochester MN, 5.125%, 9/1/38 | 1,613,865 |
| 3,145,000 | | City of Rochester, Math & Science Academy Project, Series A, 5.25%, 9/1/43 | 3,379,554 |
| 6,080,000 | | City of Rochester, Math & Science Academy Project, Series A, 5.375%, 9/1/50 | 6,557,888 |
| 1,415,000 | | Housing & Redevelopment Authority of The City of St. Paul Minnesota, Higher Ground Academy Project, Series A, 5.125%, 12/1/38 | 1,487,887 |
| 1,300,000 | | Housing & Redevelopment Authority of The City of St. Paul Minnesota, St. Paul City School Project, Series A, 5.0%, 7/1/36 | 1,345,071 |
| | | Total Minnesota | | $34,485,260 |
| | | Missouri - 0.5% | |
| 4,700,000 | | Community Memorial Hospital District, Missouri Hospital, 6.68%, 12/1/34 | $4,709,729 |
| 400,000 | | Kansas City Industrial Development Authority, Series A, 4.25%, 4/1/26 (144A) | 395,100 |
| 1,000,000 | | Kansas City Industrial Development Authority, Series A, 5.0%, 4/1/36 (144A) | 993,580 |
| 2,300,000 | | Kansas City Industrial Development Authority, Series A, 5.0%, 4/1/46 (144A) | 2,185,805 |
| | | Total Missouri | | $8,284,214 |
| | | Nevada - 0.0%† | |
| 4,000,000(c) | | City of Reno, Reno Transportation Rail Access, Series C, 7/1/58 (144A) | $560,560 |
| | | Total Nevada | | $560,560 |
| | | New Jersey - 2.7% | |
| 975,000 | | New Jersey Economic Development Authority, 4.7%, 9/1/28 (144A) | $984,906 |
| 565,000 | | New Jersey Economic Development Authority, 5.375%, 9/1/33 (144A) | 569,294 |
| 1,140,000 | | New Jersey Economic Development Authority, 5.625%, 9/1/38 (144A) | 1,158,844 |
| 1,255,000 | | New Jersey Economic Development Authority, Charity Marion P. Thomas Charter School, 5.25%, 10/1/38 (144A) | 1,303,029 |
| 7,205,000 | | New Jersey Economic Development Authority, Charity Marion P. Thomas Charter School, 5.375%, 10/1/50 (144A) | 7,491,327 |
| 1,215,000 | | New Jersey Economic Development Authority, Charter Hatikvah International Academy, 5.25%, 7/1/37 (144A) | 1,292,237 |
| 2,500,000 | | New Jersey Economic Development Authority, Charter Hatikvah International Academy, 5.375%, 7/1/47 (144A) | 2,628,975 |
| 6,125,000 | | New Jersey Economic Development Authority, University Heights Charitable Schools Project, Series A, 5.75%, 9/1/50 (144A) | 6,233,106 |
| 4,500,000 | | New Jersey Health Care Facilities Financing Authority, St. Peters University Hospital, 6.25%, 7/1/35 | 4,602,780 |
| 18,605,000 | | Tobacco Settlement Financing Corp., Series B, 5.0%, 6/1/46 | 21,465,519 |
| | | Total New Jersey | | $47,730,017 |
| | | New Mexico - 1.2% | |
| 4,550,000 | | County of Otero, Mexico Jail Project, 9.0%, 4/1/23 | $4,493,171 |
| 15,540,000(e) | | County of Otero, Mexico Jail Project, 9.0%, 4/1/28 | 15,345,750 |
| 1,750,000 | | Lower Petroglyphs Public Improvement District, Refunding, 5.0%, 10/1/48 | 1,817,532 |
| | | Total New Mexico | | $21,656,453 |
| | | New York - 11.2% | |
| 475,000 | | Buffalo & Erie County Industrial Land Development Corp., Medaille College Project, 5.0%, 10/1/28 (144A) | $512,435 |
| 4,150,000 | | Buffalo & Erie County Industrial Land Development Corp., Medaille College Project, 5.0%, 10/1/38 (144A) | 4,458,179 |
| 8,755,000 | | Erie Country New York Tobacco Asset Securitization Corp., Asset-Backed, Series A, 5.0%, 6/1/45 | 8,769,708 |
| 10,000,000(f) | | Erie County Industrial Development Agency, Galvstar LLC Project, Series A, 9.25%, 10/1/30 | 1,250,000 |
| 8,000,000(f) | | Erie County Industrial Development Agency, Galvstar LLC Project, Series B, 9.25%, 10/1/30 | 1,890,000 |
| 1,795,000(f) | | Erie County Industrial Development Agency, Galvstar LLC Project, Series C, 9.25%, 10/1/30 | 424,069 |
| 1,870,000 | | Metropolitan Transportation Authority, 5.0%, 11/15/25 | 2,084,732 |
| 2,000,000 | | Metropolitan Transportation Authority, 5.0%, 11/15/33 | 2,252,520 |
| 3,000,000 | | Metropolitan Transportation Authority, 5.0%, 11/15/43 | 3,435,360 |
| Principal Amount USD ($) | | | | Value |
| | | New York - (continued) | |
| 4,395,000 | | Metropolitan Transportation Authority, 5.0%, 11/15/46 | $4,781,013 |
| 9,500,000 | | Metropolitan Transportation Authority, 5.0%, 11/15/48 | 10,793,900 |
| 5,850,000 | | Metropolitan Transportation Authority, 5.0%, 11/15/56 | 6,360,003 |
| 7,000,000 | | Metropolitan Transportation Authority, 5.25%, 11/15/55 | 8,231,160 |
| 4,845,000 | | Metropolitan Transportation Authority, 5.25%, 11/15/56 | 5,283,812 |
| 21,410,000 | | Nassau County Tobacco Settlement Corp., Asset-Backed, Series A-3, 5.0%, 6/1/35 | 21,704,387 |
| 4,740,000 | | Nassau County Tobacco Settlement Corp., Asset-Backed, Series A-3, 5.125%, 6/1/46 | 4,805,175 |
| 10,410,000 | | New York City Water & Sewer System, 5.0%, 6/15/50 | 13,444,619 |
| 605,000 | | New York Counties Tobacco Trust IV, 5.0%, 6/1/42 | 614,837 |
| 18,800,000 | | New York Counties Tobacco Trust IV, 6.25%, 6/1/41 (144A) | 20,372,432 |
| 13,120,000 | | New York Counties Tobacco Trust IV, Settlement Pass Through, Series A, 5.0%, 6/1/45 | 13,333,331 |
| 51,600,000(c) | | New York Counties Tobacco Trust V, Capital Appreciation Pass Through, Sub Series S-4A, 6/1/60 | 2,025,300 |
| 2,000,000 | | New York Counties Tobacco Trust VI, 5.0%, 6/1/45 | 2,116,540 |
| 4,000,000 | | New York Transportation Development Corp., 4.375%, 10/1/45 | 4,440,000 |
| 5,000,000 | | New York Transportation Development Corp., 5.0%, 10/1/40 | 5,825,000 |
| 3,210,000 | | Riverhead Industrial Development Agency, 7.65%, 8/1/34 | 3,294,295 |
| 15,050,000 | | Suffolk Tobacco Asset Securitization Corp., Capital Appreciation, Series C, 6.625%, 6/1/44 | 15,689,625 |
| 9,030,000 | | Suffolk Tobacco Asset Securitization Corp., Series B, 6.0%, 6/1/48 | 9,040,565 |
| 3,000,000 | | TSASC, Inc., 5.0%, 6/1/45 | 3,150,000 |
| 19,500,000 | | TSASC, Inc., 5.0%, 6/1/48 | 20,377,500 |
| | | Total New York | | $200,760,497 |
| | | Ohio - 3.2% | |
| 43,500,000 | | Buckeye Tobacco Settlement Financing Authority, 5.0%, 6/1/55 | $48,828,750 |
| 715,000 | | Ohio Housing Finance Agency, Sanctuary Springboro Project, 5.125%, 1/1/32 (144A) | 704,583 |
| 5,275,000 | | Ohio Housing Finance Agency, Sanctuary Springboro Project, 5.45%, 1/1/38 (144A) | 5,282,385 |
| 2,900,000 | | Southeastern Ohio Port Authority, Refunding & Improvement Memorial Health System, 6.0%, 12/1/42 | 2,981,635 |
| | | Total Ohio | | $57,797,353 |
| | | Pennsylvania - 4.7% | |
| 200,000 | | Chester County Industrial Development Authority, 5.25%, 10/15/32 | $206,246 |
| 1,000,000 | | Chester County Industrial Development Authority, Collegium Charter School, Series A, 5.125%, 10/15/37 | 1,082,520 |
| 2,435,000 | | Chester County Industrial Development Authority, Collegium Charter School, Series A, 5.25%, 10/15/47 | 2,629,824 |
| 8,425,000 | | Delaware County Industrial Development Authority, Chester Charter School Arts Project, Series A, 5.125%, 6/1/46 (144A) | 8,969,845 |
| 4,000,000 | | Hospitals & Higher Education Facilities Authority of Philadelphia, Temple University Health System, Series A, 5.625%, 7/1/42 | 4,196,280 |
| 8,445,000 | | Pennsylvania Economic Development Financing Authority, US Airways Group, Series B, 8.0%, 5/1/29 | 8,483,931 |
| 1,030,000 | | Philadelphia Authority for Industrial Development, 5.0%, 11/15/31 | 1,082,715 |
| 9,435,000 | | Philadelphia Authority for Industrial Development, 5.5%, 6/1/49 (144A) | 9,764,565 |
| 4,055,000 | | Philadelphia Authority for Industrial Development, 2800 American Street Co. Project, Series A, 5.625%, 7/1/48 (144A) | 4,336,376 |
| 2,200,000 | | Philadelphia Authority for Industrial Development, Greater Philadelphia Health Action, Inc. Project, Series A, 6.5%, 6/1/45 | 2,271,588 |
| 2,940,000 | | Philadelphia Authority for Industrial Development, Greater Philadelphia Health Action, Inc. Project, Series A, 6.625%, 6/1/50 | 3,044,194 |
| 2,500,000 | | Philadelphia Authority for Industrial Development, Green Woods Charter School Project, Series A, 5.5%, 6/15/32 | 2,570,325 |
| 5,200,000 | | Philadelphia Authority for Industrial Development, Green Woods Charter School Project, Series A, 5.75%, 6/15/42 | 5,349,812 |
| 6,000,000 | | Philadelphia Authority for Industrial Development, Nueva Esperanze, Inc., 8.2%, 12/1/43 | 6,511,740 |
| 1,000,000 | | Philadelphia Authority for Industrial Development, Performing Arts Charter School Project, 6.5%, 6/15/33 (144A) | 1,000,920 |
| 3,000,000 | | Philadelphia Authority for Industrial Development, Performing Arts Charter School Project, 6.75%, 6/15/43 (144A) | 3,002,850 |
| 1,660,000 | | Philadelphia Authority for Industrial Development, Revenue International Education & Community Initiatives, 5.125%, 6/1/38 (144A) | 1,757,226 |
| 3,500,000 | | Philadelphia Authority for Industrial Development, Revenue International Education & Community Initiatives, 5.25%, 6/1/48 (144A) | 3,683,680 |
| 4,370,000 | | Philadelphia Authority for Industrial Development, Revenue International Education & Community Initiatives, 5.375%, 6/1/53 (144A) | 4,631,020 |
| 1,570,000 | | Philadelphia Authority for Industrial Development, University of the Arts, 5.0%, 3/15/45 (144A) | 1,607,429 |
| 8,295,000 | | Philadelphia Authority for Industrial Development, 5.0%, 11/15/50 | 8,458,329 |
| | | Total Pennsylvania | | $84,641,415 |
| | | Puerto Rico - 3.1% | |
| 40,400,000(d)(f) | | Commonwealth of Puerto Rico, Series A, 8.0%, 7/1/35 | $26,108,500 |
| 2,460,000 | | Puerto Rico Industrial Tourist Educational Medical & Envirml Ctl Facs Fing Auth, 5.2%, 7/1/24 | 2,461,845 |
| 85,000 | | Puerto Rico Industrial Tourist Educational Medical & Envirml Ctl Facs Fing Auth, 5.625%, 7/1/22 | 81,706 |
| 24,500,000 | | Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue, 5.0%, 7/1/58 | 26,941,425 |
| | | Total Puerto Rico | | $55,593,476 |
| | | Rhode Island - 0.4% | |
| 2,065,000(f) | | Central Falls Detention Facility Corp., 7.25%, 7/15/35 | $371,700 |
| 2,000,000(e) | | Tender Option Bond Trust Receipts/Certificates, RIB, 0.0%, 9/1/47 (144A) | 3,088,800 |
| Principal Amount USD ($) | | | | Value |
| | | Rhode Island - (continued) | |
| 4,250,000 | | Tobacco Settlement Financing Corp., Series B, 5.0%, 6/1/50 | $4,479,500 |
| | | Total Rhode Island | | $7,940,000 |
| | | Tennessee - 0.0%† | |
| 5,000(f) | | Johnson City Health & Educational Facilities Board, Appalachian Christian Village, 5.0%, 2/15/43 | $3,750 |
| | | Total Tennessee | | $3,750 |
| | | Texas - 5.6% | |
| 640,000 | | Arlington Higher Education Finance Corp., 3.5%, 3/1/24 (144A) | $656,198 |
| 16,875,000 | | Arlington Higher Education Finance Corp., 5.45%, 3/1/49 (144A) | 18,101,981 |
| 170,000 | | Arlington Higher Education Finance Corp., Universal Academy, Series A, 5.875%, 3/1/24 | 183,474 |
| 525,000 | | Arlington Higher Education Finance Corp., Universal Academy, Series A, 6.625%, 3/1/29 | 571,037 |
| 375,000 | | Arlington Higher Education Finance Corp., Universal Academy, Series A, 7.0%, 3/1/34 | 407,479 |
| 7,030,000 | | Arlington Higher Education Finance Corp., Universal Academy, Series A, 7.125%, 3/1/44 | 7,576,653 |
| 575,000 | | City of Celina, 5.5%, 9/1/24 | 595,182 |
| 1,075,000 | | City of Celina, 6.0%, 9/1/30 | 1,121,214 |
| 2,700,000 | | City of Celina, 6.25%, 9/1/40 | 2,815,344 |
| 3,335,000(e) | | Greater Texas Cultural Education Facilities Finance Corp., 9.0%, 2/1/33 (144A) | 3,348,107 |
| 16,755,000(e) | | Greater Texas Cultural Education Facilities Finance Corp., 9.0%, 2/1/50 (144A) | 17,149,580 |
| 100,000 | | La Vernia Higher Education Finance Corp., 5.25%, 8/15/35 (144A) | 107,168 |
| 2,000,000 | | La Vernia Higher Education Finance Corp., Meridian World School, Series A, 5.5%, 8/15/45 (144A) | 2,119,120 |
| 1,700,000 | | Newark Higher Education Finance Corp., Austin Achieve Public Schools, Inc., 5.0%, 6/15/48 | 1,719,312 |
| 17,350,000(f) | | Sanger Industrial Development Corp., Texas Pellets Project, Series B, 8.0%, 7/1/38 | 4,272,438 |
| 8,142,447 | | Tarrant County Cultural Education Facilities Finance Corp., 5.75%, 12/1/54 | 8,489,234 |
| 2,250,000(f) | | Tarrant County Cultural Education Facilities Finance Corp., Mirador Project, Series A, 4.625%, 11/15/41 | 55,958 |
| 5,000,000(f) | | Tarrant County Cultural Education Facilities Finance Corp., Mirador Project, Series A, 4.875%, 11/15/48 | 124,350 |
| 1,000,000(f) | | Texas Midwest Public Facility Corp., Secure Treatment Facility Project, 9.0%, 10/1/30 | 659,000 |
| 5,000,000 | | Texas Water Development Board, 5.0%, 10/15/43 | 6,326,100 |
| 16,770,000 | | Texas Water Development Board, State Water Implementation Fund, Series B, 5.0%, 4/15/49 | 21,365,315 |
| 1,250,000 | | Village on the Park, New Hope Cultural Education Facilities Finance Corp., Cardinal Bay, Inc., 5.5%, 7/1/46 | 1,157,975 |
| 1,000,000 | | Village on the Park, New Hope Cultural Education Facilities Finance Corp., Cardinal Bay, Inc., 5.75%, 7/1/51 | 933,410 |
| 90,000 | | Village on the Park, New Hope Cultural Education Facilities Finance Corp., Cardinal Bay, Inc., 6.0%, 7/1/26 | 88,744 |
| 1,350,000 | | Village on the Park, New Hope Cultural Education Facilities Finance Corp., Cardinal Bay, Inc., 7.0%, 7/1/51 | 1,328,495 |
| | | Total Texas | | $101,272,868 |
| | | Utah - 0.4% | |
| 255,000(g) | | Utah Charter School Finance Authority, Summit Academy High School, Series A, 7.25%, 5/15/21 | $263,132 |
| 1,985,000(b) | | Utah Charter School Finance Authority, Summit Academy High School, Series A, 8.125%, 5/15/31 | 2,055,845 |
| 5,145,000(b) | | Utah Charter School Finance Authority, Summit Academy High School, Series A, 8.5%, 5/15/41 | 5,337,371 |
| | | Total Utah | | $7,656,348 |
| | | Virginia - 5.8% | |
| 3,000,000 | | Ballston Quarter Community Development Authority, Series A, 5.5%, 3/1/46 | $2,609,760 |
| 2,100,000 | | Cherry Hill Community Development Authority, Potomac Shores Project, 5.4%, 3/1/45 (144A) | 2,133,222 |
| 815,000 | | Embrey Mill Community Development Authority, 5.3%, 3/1/35 (144A) | 846,915 |
| 4,645,000 | | Embrey Mill Community Development Authority, 5.6%, 3/1/45 (144A) | 4,829,267 |
| 44,310,000 | | Tobacco Settlement Financing Corp., Series B-1, 5.0%, 6/1/47 | 44,697,713 |
| 4,605,000 | | Tobacco Settlement Financing Corp., Series B-2, 5.2%, 6/1/46 | 4,760,419 |
| 19,475,000 | | Tobacco Settlement Financing Corp./VA, 6.706%, 6/1/46 | 20,327,031 |
| 13,225,000 | | Virginia Small Business Financing Authority, 5.0%, 1/1/40 | 13,603,632 |
| 925,000 | | Virginia Small Business Financing Authority, 5.0%, 1/1/44 | 954,600 |
| 10,000,000 | | Virginia Small Business Financing Authority, 5.0%, 7/1/49 | 10,313,100 |
| | | Total Virginia | | $105,075,659 |
| | | Wisconsin - 2.6% | |
| 2,660,000 | | Public Finance Authority, 5.0%, 6/1/50 (144A) | $2,754,058 |
| 775,000 | | Public Finance Authority, Community School of Davidson Project, 5.0%, 10/1/33 | 844,177 |
| 5,905,000 | | Public Finance Authority, Community School of Davidson Project, 5.0%, 10/1/48 | 6,250,265 |
| 1,590,000 | | Public Finance Authority, Coral Academy Science Las Vegas, 5.625%, 7/1/44 | 1,755,917 |
| 9,310,000 | | Public Finance Authority, Gardner Webb University, 5.0%, 7/1/31 (144A) | 10,087,385 |
| 5,325,000 | | Public Finance Authority, Glenridge Palmer Ranch, Series A, 8.25%, 6/1/46 (144A) | 5,561,856 |
| 5,057,500 | | Public Finance Authority, Las Ventanas Retirement Community, 7.0%, 10/1/42 | 5,130,530 |
| 400,000 | | Public Finance Authority, Lead Academy Project, Series A, 4.25%, 8/1/26 (144A) | 408,912 |
| 2,000,000 | | Public Finance Authority, Lead Academy Project, Series A, 5.0%, 8/1/36 (144A) | 2,085,940 |
| 2,500,000 | | Public Finance Authority, Lead Academy Project, Series A, 5.125%, 8/1/46 (144A) | 2,578,475 |
| 500,000 | | Public Finance Authority, SearStone CCRC Project, Series A, 5.3%, 6/1/47 | 504,095 |
| 2,500,000 | | Public Finance Authority, SearStone CCRC Project, Series A, 5.375%, 6/1/52 | 2,522,900 |
| 10,265,000(c)(f) | | Public Finance Authority, Springshire Pre Development Project, 12/1/20 (144A) | 1,751,209 |
| 1,245,000(b) | | Public Finance Authority, Voyager Foundation, Inc., Project, Series A, 5.125%, 10/1/45 | 1,357,050 |
| Principal Amount USD ($) | | | | Value |
| | | Wisconsin - (continued) | |
| 2,815,000(b) | | Public Finance Authority, Voyager Foundation, Inc., Project, Series A, 6.2%, 10/1/42 | $3,118,513 |
| | | Total Wisconsin | | $46,711,282 |
| | | TOTAL MUNICIPAL BONDS | |
| | | (Cost $1,634,387,702) | $1,665,399,980 |
| | | U.S. GOVERNMENT AND AGENCY OBLIGATION - 0.8% of Net Assets |
| 15,000,000(c) | | U.S. Treasury Bill, 12/22/20 | $14,999,355 |
| | | TOTAL U.S. GOVERNMENT AND AGENCY OBLIGATION | |
| | | (Cost $14,999,248) | $14,999,355 |
| | | TOTAL INVESTMENTS IN UNAFFILIATED ISSUERS - 93.8% | |
| | | (Cost $1,654,635,572) (i) | $1,685,999,335 |
| | | OTHER ASSETS AND LIABILITIES - 6.2% | $111,146,758 |
| | | NET ASSETS - 100.0% | $1,797,146,093 |
† Amount rounds to less than 0.1%.
During the three months ended November 30, 2020, there were no transfers between Levels 1, 2 and 3.