| Principal Amount | Value | |
| Municipal Bonds 122.6% | ||
| Long-Term Municipal Bonds 122.1% | ||
| Alabama 2.2% | ||
| Black Belt Energy Gas District, Gas Project No. 7, Revenue Bonds | ||
| Series C-2 | ||
| 2.51%, due 10/1/52 | $ 1,125,000 | $ 1,124,516 |
| MidCity Improvement District, 2024 Assessment Area, Special Assessment | ||
| 6.50%, due 11/1/44 (a) | 290,000 | 288,123 |
| Mobile County Industrial Development Authority, AM/NS Calvert LLC Project, Revenue Bonds | ||
| Series A | ||
| 5.00%, due 6/1/54 (b) | 500,000 | 482,624 |
| Tuscaloosa County Industrial Development Authority, Hunt Refining Project, Revenue Bonds | ||
| Series A | ||
| 5.25%, due 5/1/44 (a) | 459,587 | 465,793 |
| 2,361,056 | ||
| Arizona 0.9% | ||
| Maricopa County Industrial Development Authority, Verrado Marketplace Project, Revenue Bonds | ||
| 4.375%, due 5/1/33 (a) | 1,000,000 | 973,657 |
| California 9.1% | ||
| Adelanto Community Facilities District No. 2006-2, Improvement Area No. 2, Special Tax | ||
| Series B | ||
| 5.65%, due 9/1/30 | 625,000 | 624,273 |
| California Community Choice Financing Authority, Clean Energy Project, Revenue Bonds (c) | ||
| Series C | ||
| 5.00%, due 8/1/55 | 750,000 | 771,093 |
| Series G | ||
| 5.00%, due 11/1/55 | 500,000 | 510,070 |
| Series C | ||
| 5.25%, due 1/1/54 | 625,000 | 655,369 |
| California Statewide Communities Development Authority, Loma Linda University Medical Center Obligated Group, Revenue Bonds | ||
| Series A | ||
| 5.50%, due 12/1/54 | 355,000 | 355,067 |
| City of Stockton Community Facilities District No. 2018-2, Improvement Area 3, Westlake Villages II, Special Tax | ||
| 5.00%, due 9/1/44 | 380,000 | 380,388 |
| Lake Elsinore Unified School District, Community Facilities District No. 2006-2, Area C, Special Tax | ||
| 4.00%, due 9/1/50 | 1,000,000 | 858,686 |
| Los Angeles Department of Water & Power, Power System, Revenue Bonds | ||
| Series D | ||
| 5.00%, due 7/1/44 | 750,000 | 763,292 |
| Municipal Improvement Corp. of Los Angeles, Los Angeles Convention Center, Revenue Bonds | ||
| Series A | ||
| 5.50%, due 5/1/55 (d) | 2,500,000 | 2,654,535 |
| Southern California Public Power Authority, Southern Transmission System Renewal Project, Revenue Bonds | ||
| Series 1, Insured: BAM | ||
| 5.25%, due 7/1/50 (d) | 2,000,000 | 2,107,554 |
| 9,680,327 | ||
| Principal Amount | Value | |
| Long-Term Municipal Bonds | ||
| Colorado 6.2% | ||
| City & County of Denver, Airport System, Revenue Bonds (b) | ||
| Series A | ||
| 5.25%, due 12/1/43 (d) | $ 2,000,000 | $ 2,036,467 |
| Series A | ||
| 5.50%, due 11/15/53 | 1,150,000 | 1,193,862 |
| City & County of Denver, School District No. 1, Revenue Bonds | ||
| Series C, Insured: State Aid Withholding | ||
| 5.50%, due 12/1/49 (d) | 1,500,000 | 1,621,289 |
| Gardens on Havana Metropolitan District No. 3 (The), Revenue Bonds | ||
| Series A | ||
| 5.125%, due 12/1/37 | 750,000 | 750,229 |
| Prairie Center Metropolitan District No. 3, Limited General Obligation | ||
| Series B | ||
| 5.875%, due 12/15/46 | 1,000,000 | 1,049,368 |
| 6,651,215 | ||
| Connecticut 0.6% | ||
| Aquarion Water Authority, Water System, Revenue Bonds | ||
| Series E | ||
| (zero coupon), due 8/1/53 | 2,500,000 | 587,457 |
| Delaware 1.7% | ||
| Delaware State Housing Authority, Revenue Bonds, Senior Lien | ||
| Series A, Insured: GNMA / FNMA / FHLMC | ||
| 5.75%, due 1/1/56 | 960,000 | 1,035,985 |
| Delaware State Housing Authority, Revenue Bonds | ||
| Series C, Insured: GNMA / FNMA / FHLMC | ||
| 6.00%, due 1/1/56 | 750,000 | 815,256 |
| 1,851,241 | ||
| Florida 8.6% | ||
| Brevard County Housing Finance Authority, Cocoa Leased Housing Associates II LLLP, Revenue Bonds | ||
| Insured: FNMA | ||
| 4.45%, due 1/1/40 | 991,006 | 972,550 |
| Capital Trust Authority Educational Facilities, St. Johns Classical Academy, Inc. Project, Revenue Bonds | ||
| Series B | ||
| 6.70%, due 6/15/28 (a) | 105,000 | 104,972 |
| County of Miami-Dade, Double Barreled Aviation, Unlimited General Obligation | ||
| 2.375%, due 7/1/40 | 625,000 | 462,445 |
| County of Pasco, State of Florida Cigarette Tax Revenue, Revenue Bonds | ||
| Series A, Insured: AG | ||
| 5.75%, due 9/1/54 (d) | 1,000,000 | 1,061,622 |
| Florida Housing Finance Corp., Revenue Bonds | ||
| Series 1, Insured: GNMA / FNMA / FHLMC | ||
| 2.15%, due 7/1/35 | 725,000 | 615,696 |
| Florida Municipal Loan Council, Shingle Creek Transit & Utility Community Development District, Special Assessment | ||
| 5.15%, due 5/1/44 (b) | 655,000 | 665,536 |
| Principal Amount | Value | |
| Long-Term Municipal Bonds | ||
| Florida | ||
| Hillsborough County Industrial Development Authority, BayCare Obligated Group, Revenue Bonds | ||
| Series C | ||
| 5.50%, due 11/15/54 (d) | $ 1,835,000 | $ 1,941,326 |
| Hillsborough County Port District, Tampa Port Authority Project, Revenue Bonds | ||
| Series B | ||
| 5.00%, due 6/1/46 (b) | 450,000 | 455,111 |
| Reunion East Community Development District, Series 2021 Project, Special Assessment | ||
| 2.85%, due 5/1/31 | 500,000 | 480,048 |
| Saltleaf Community Development District, Series 2024 Assessments, Special Assessment | ||
| 6.00%, due 5/1/56 | 1,000,000 | 1,003,500 |
| West Villages Improvement District, Unit of Development No. 10 Assessment Area One, Special Assessment | ||
| 5.625%, due 5/1/54 | 990,000 | 971,880 |
| Wind Meadows South Community Development District, Assessment Area One Project, Special Assessment | ||
| 4.00%, due 5/1/52 | 530,000 | 417,160 |
| 9,151,846 | ||
| Georgia 3.4% | ||
| Georgia Housing & Finance Authority, Revenue Bonds | ||
| Series G, Insured: GNMA / FNMA | ||
| 5.00%, due 12/1/45 | 1,000,000 | 1,058,360 |
| Main Street Natural Gas, Inc., Revenue Bonds (c) | ||
| Series B | ||
| 5.00%, due 7/1/53 | 500,000 | 523,160 |
| Series D | ||
| 5.00%, due 4/1/54 | 1,000,000 | 1,051,175 |
| Municipal Electric Authority of Georgia, Revenue Bonds | ||
| Series A | ||
| 5.50%, due 7/1/64 | 1,000,000 | 1,016,982 |
| 3,649,677 | ||
| Hawaii 1.6% | ||
| State of Hawaii, Airports System, Revenue Bonds | ||
| Series A | ||
| 5.50%, due 7/1/54 (b)(d) | 1,625,000 | 1,705,561 |
| Illinois 7.0% | ||
| Chicago Board of Education, Dedicated Capital Improvement, Revenue Bonds | ||
| 6.00%, due 4/1/46 | 1,250,000 | 1,263,876 |
| Chicago O'Hare International Airport, Revenue Bonds, Senior Lien | ||
| Series A | ||
| 5.50%, due 1/1/53 (b) | 1,250,000 | 1,286,035 |
| City of Chicago, Chicago Recovery Plan, Unlimited General Obligation | ||
| Series A | ||
| 5.00%, due 1/1/43 | 500,000 | 482,516 |
| City of Chicago, Lakeshore East Special Assessment Area, Special Assessment (a) | ||
| 3.29%, due 12/1/30 | 325,000 | 314,373 |
| 3.45%, due 12/1/32 | 275,000 | 262,851 |
| Principal Amount | Value | |
| Long-Term Municipal Bonds | ||
| Illinois | ||
| City of Chicago, Water Project, Revenue Bonds | ||
| Series A | ||
| 5.50%, due 11/1/66 (d) | $ 2,000,000 | $ 2,076,988 |
| Metropolitan Pier & Exposition Authority, McCormick Place Expansion Project, Revenue Bonds | ||
| Series A | ||
| 5.50%, due 6/15/53 | 1,250,000 | 1,250,103 |
| Southwestern Illinois Development Authority, Traid Community Unit School District No. 2 Project, Revenue Bonds | ||
| Series B, Insured: BAM | ||
| 5.50%, due 4/1/50 | 500,000 | 519,926 |
| 7,456,668 | ||
| Indiana 1.5% | ||
| Indiana Municipal Power Agency, Revenue Bonds | ||
| Series A, Insured: AG | ||
| 5.00%, due 1/1/43 | 475,000 | 503,596 |
| Series A | ||
| 5.50%, due 1/1/53 | 1,000,000 | 1,036,288 |
| 1,539,884 | ||
| Kentucky 0.9% | ||
| Kentucky Public Energy Authority, Revenue Bonds | ||
| Series B | ||
| 5.00%, due 12/1/33 | 500,000 | 507,863 |
| Perry County School District Finance Corp., Kentucky School Facilities Construction Commission, Revenue Bonds | ||
| Insured: State Intercept | ||
| 2.00%, due 12/1/29 | 430,000 | 422,852 |
| 930,715 | ||
| Massachusetts 4.0% | ||
| Massachusetts Development Finance Agency, Beth Israel Lahey Health, Revenue Bonds | ||
| Series N, Insured: AG | ||
| 5.50%, due 7/1/55 | 1,700,000 | 1,797,930 |
| Massachusetts Development Finance Agency, UMass Memorial Health Care Obligated Group, Revenue Bonds | ||
| Series I | ||
| 5.00%, due 7/1/46 | 1,000,000 | 977,977 |
| Massachusetts Housing Finance Agency, Revenue Bonds | ||
| Series 223, Insured: GNMA / FNMA / FHLMC | ||
| 2.10%, due 12/1/33 | 500,000 | 423,422 |
| Series A-2, Insured: HUD Sector 8 | ||
| 4.50%, due 12/1/65 | 750,000 | 685,189 |
| Series D-2, Insured: HUD Sector 8 FHA | ||
| 4.90%, due 6/1/66 | 430,000 | 421,530 |
| 4,306,048 | ||
| Michigan 4.7% | ||
| Michigan Finance Authority, Trinity Health, Revenue Bonds | ||
| Series MI-1 | ||
| 3.23%, due 3/1/51 (d) | 5,000,000 | 5,000,000 |
| Principal Amount | Value | |
| Long-Term Municipal Bonds | ||
| Nebraska 0.8% | ||
| Douglas County Hospital Authority No. 2, Nebraska Methodist Health System, Revenue Bonds | ||
| 5.50%, due 11/1/49 | $ 805,000 | $ 854,241 |
| Nevada 1.1% | ||
| Nevada Housing Division, Revenue Bonds, Senior Lien | ||
| Series E, Insured: GNMA / FNMA / FHLMC | ||
| 7.50%, due 4/1/49 | 1,000,000 | 1,182,559 |
| New Hampshire 2.4% | ||
| New Hampshire Business Finance Authority, Revenue Bonds | ||
| Series 2 | ||
| 3.625%, due 8/20/39 | 613,505 | 577,368 |
| New Hampshire Business Finance Authority, Centurion Foundation Andrews Avenue Med Center LLC, Revenue Bonds | ||
| Series A | ||
| 5.625%, due 9/15/57 | 1,000,000 | 1,021,522 |
| New Hampshire Business Finance Authority, Wheeling Power Co., Revenue Bonds | ||
| Series A | ||
| 6.89%, due 4/1/34 (a) | 905,000 | 944,132 |
| 2,543,022 | ||
| New York 15.8% | ||
| New York City Housing Development Corp., Revenue Bonds | ||
| Series G-1 | ||
| 3.90%, due 5/1/45 | 275,000 | 249,114 |
| New York City Industrial Development Agency, Queens Baseball Stadium Project, Revenue Bonds | ||
| Series A, Insured: AG | ||
| 3.00%, due 1/1/46 | 1,000,000 | 773,051 |
| New York Liberty Development Corp., 4 World Trade Center Project, Revenue Bonds | ||
| Series A | ||
| 2.75%, due 11/15/41 | 750,000 | 569,835 |
| New York State Dormitory Authority, Cornell University, Revenue Bonds | ||
| Series A | ||
| 5.50%, due 7/1/54 (d) | 2,500,000 | 2,671,770 |
| New York State Dormitory Authority, White Plains Hospital Obligated Group, Revenue Bonds | ||
| Insured: AG | ||
| 5.50%, due 10/1/54 (d) | 2,000,000 | 2,087,980 |
| New York Transportation Development Corp., JFK International Airport, Revenue Bonds (b) | ||
| Insured: AG | ||
| 5.50%, due 6/30/42 | 500,000 | 523,390 |
| Insured: AG | ||
| 6.00%, due 6/30/50 (d) | 1,250,000 | 1,341,128 |
| New York Transportation Development Corp., JFK Millennium Partners LLC, Revenue Bonds | ||
| Series A | ||
| 5.50%, due 12/31/60 (b) | 1,000,000 | 1,012,406 |
| New York Transportation Development Corp., Terminal 4 John F. Kennedy International Airport Project, Revenue Bonds (b) | ||
| Series A | ||
| 4.00%, due 12/1/42 | 1,000,000 | 897,712 |
| Principal Amount | Value | |
| Long-Term Municipal Bonds | ||
| New York | ||
| New York Transportation Development Corp., Terminal 4 John F. Kennedy International Airport Project, Revenue Bonds (b) | ||
| 5.00%, due 12/1/28 | $ 750,000 | $ 777,891 |
| Insured: AG | ||
| 5.50%, due 6/30/43 | 510,000 | 532,570 |
| 6.00%, due 6/30/54 | 1,000,000 | 1,032,024 |
| Rockland County Economic Assistance Corp., Bon Secours Charity Health System, Inc., Revenue Bonds | ||
| 7.50%, due 11/1/55 | 310,000 | 338,869 |
| Triborough Bridge & Tunnel Authority, MTA Bridges & Tunnels, Revenue Bonds | ||
| Series A-1 | ||
| 5.25%, due 11/15/47 | 1,750,000 | 1,877,907 |
| Series A | ||
| 5.25%, due 12/1/54 | 1,000,000 | 1,037,064 |
| TSASC, Inc., Tobacco Settlement Bonds, Revenue Bonds | ||
| Series B | ||
| 5.00%, due 6/1/48 | 1,250,000 | 1,162,424 |
| 16,885,135 | ||
| Ohio 3.6% | ||
| Buckeye Tobacco Settlement Financing Authority, Revenue Bonds, Senior Lien | ||
| Series B-2 | ||
| 5.00%, due 6/1/55 | 1,025,000 | 776,414 |
| Columbus Regional Airport Authority, John Glenn Columbus International Airport, Revenue Bonds | ||
| Series A | ||
| 5.50%, due 1/1/50 (b) | 1,000,000 | 1,043,892 |
| Toledo Hospital (The) | ||
| Insured: AG | ||
| 5.75%, due 11/15/38 | 2,000,000 | 1,967,227 |
| 3,787,533 | ||
| Oklahoma 0.6% | ||
| Norman Regional Hospital Authority, Hospital, Revenue Bonds | ||
| 4.00%, due 9/1/37 | 480,000 | 311,801 |
| Tulsa Municipal Airport Trust Trustees, American Airlines, Inc. Project, Revenue Bonds | ||
| 6.25%, due 12/1/35 (b) | 300,000 | 335,666 |
| 647,467 | ||
| Pennsylvania 5.5% | ||
| Allegheny County Airport Authority, Pittsburgh International Airport, Revenue Bonds | ||
| Series A, Insured: AG | ||
| 5.50%, due 1/1/42 (b) | 680,000 | 724,955 |
| Allegheny County Sanitary Authority, Revenue Bonds | ||
| 5.75%, due 6/1/47 | 1,000,000 | 1,086,698 |
| Pennsylvania Economic Development Financing Authority, Penndot Major Bridges Project, Revenue Bonds | ||
| 5.75%, due 6/30/48 (b)(d) | 1,000,000 | 1,047,390 |
| Pennsylvania Higher Education Assistance Agency, Revenue Bonds, Senior Lien (b) | ||
| Series 1-A | ||
| 4.125%, due 6/1/45 | 680,000 | 651,313 |
| Series 1-A | ||
| 4.75%, due 6/1/46 | 640,000 | 617,028 |
| Principal Amount | Value | |
| Long-Term Municipal Bonds | ||
| Pennsylvania | ||
| Pennsylvania Higher Education Assistance Agency, Revenue Bonds | ||
| Series 1-C | ||
| 5.00%, due 6/1/51 (b) | $ 1,000,000 | $ 934,632 |
| Pennsylvania Housing Finance Agency, Revenue Bonds | ||
| Series 138-A | ||
| 3.00%, due 10/1/52 | 360,000 | 347,430 |
| Series 145-A | ||
| 6.00%, due 10/1/54 | 425,000 | 454,702 |
| 5,864,148 | ||
| Puerto Rico 5.7% | ||
| Commonwealth of Puerto Rico | ||
| (zero coupon), due 11/1/43 | 771,429 | 550,607 |
| (zero coupon), due 11/1/51 | 968,051 | 707,887 |
| (zero coupon), due 11/1/51 | 486,750 | 320,646 |
| (zero coupon), due 11/1/51 | 420,000 | 185,325 |
| GDB Debt Recovery Authority of Puerto Rico, Revenue Bonds | ||
| 7.50%, due 8/20/40 | 1,950,895 | 1,928,488 |
| Puerto Rico Electric Power Authority, Revenue Bonds | ||
| Series UU, Insured: AG | ||
| 4.25%, due 7/1/27 | 120,000 | 120,077 |
| Series NN, Insured: NATL-RE | ||
| 4.75%, due 7/1/33 | 70,000 | 69,034 |
| Series WW | ||
| 5.00%, due 7/1/28 (e)(f) | 1,000,000 | 728,750 |
| Series VV, Insured: NATL-RE | ||
| 5.25%, due 7/1/29 | 290,000 | 291,891 |
| Puerto Rico Sales Tax Financing Corp., Revenue Bonds | ||
| Series A-1 | ||
| (zero coupon), due 7/1/46 | 3,305,000 | 1,208,591 |
| 6,111,296 | ||
| Rhode Island 0.7% | ||
| Rhode Island Student Loan Authority, Revenue Bonds, Senior Lien | ||
| Series A | ||
| 4.125%, due 12/1/43 (b) | 735,000 | 703,946 |
| South Carolina 1.8% | ||
| South Carolina Public Service Authority, Revenue Bonds | ||
| Series E | ||
| 5.25%, due 12/1/55 | 910,000 | 900,315 |
| South Carolina Public Service Authority, Santee Cooper project, Revenue Bonds | ||
| Series B, Insured: AG | ||
| 5.00%, due 12/1/42 | 1,000,000 | 1,065,216 |
| 1,965,531 | ||
| Principal Amount | Value | |
| Long-Term Municipal Bonds | ||
| South Dakota 1.0% | ||
| South Dakota Housing Development Authority, Revenue Bonds | ||
| Series A, Insured: GNMA / FNMA / FHLMC | ||
| 6.50%, due 11/1/55 | $ 980,000 | $ 1,092,075 |
| Tennessee 1.5% | ||
| Metropolitan Nashville Airport Authority (The), Revenue Bonds | ||
| Series B | ||
| 5.50%, due 7/1/41 (b) | 1,000,000 | 1,067,731 |
| Tennessee Housing Development Agency, Residential Finance Program, Revenue Bonds | ||
| Series 3 | ||
| 2.80%, due 7/1/44 | 625,000 | 490,354 |
| 1,558,085 | ||
| Texas 19.5% | ||
| City of Georgetown, Utility System, Revenue Bonds | ||
| Insured: AG | ||
| 5.25%, due 8/15/52 (d) | 1,250,000 | 1,281,597 |
| City of Houston, Airport System, Revenue Bonds, Sub. Lien | ||
| Series A | ||
| 5.00%, due 7/1/37 (b) | 650,000 | 662,759 |
| City of Houston, Airport System, Revenue Bonds | ||
| Series A | ||
| 5.50%, due 7/1/44 (b) | 1,000,000 | 1,080,794 |
| City of Houston, United Airlines, Inc., Revenue Bonds | ||
| Series B | ||
| 5.50%, due 7/15/38 (b) | 1,000,000 | 1,065,941 |
| City of San Antonio, Electric & Gas Systems, Revenue Bonds, Junior Lien | ||
| Series D | ||
| 1.125%, due 12/1/45 (c) | 1,000,000 | 991,729 |
| East Montgomery County Municipal Utility District No. 4, Unlimited General Obligation | ||
| Series A | ||
| 5.375%, due 4/1/49 | 1,000,000 | 1,006,955 |
| FW Chaparral PFC, Chaparral Ranch Project, Revenue Bonds | ||
| 4.00%, due 10/1/35 | 1,000,000 | 964,511 |
| Harris County Municipal Utility District No. 16, Unlimited General Obligation | ||
| Insured: AG | ||
| 3.375%, due 3/1/34 | 520,000 | 491,700 |
| Mansfield Independent School District, School Building, Revenue Bonds | ||
| Insured: PSF-GTD | ||
| 5.25%, due 2/15/55 (d) | 2,500,000 | 2,612,997 |
| Mesquite Independent School District, School Building, Unlimited General Obligation | ||
| Series B, Insured: PSF-GTD | ||
| 5.00%, due 8/15/42 | 1,250,000 | 1,251,724 |
| New Hope Cultural Education Facilities Finance Corp., Children's Health System of Texas, Revenue Bonds | ||
| Series A | ||
| 5.50%, due 8/15/49 (d) | 2,500,000 | 2,689,615 |
| Tarrant County Cultural Education Facilities Finance Corp., Buckner Retirement Services, Inc. Project, Revenue Bonds | ||
| 5.00%, due 11/15/46 | 500,000 | 481,563 |
| Principal Amount | Value | |
| Long-Term Municipal Bonds | ||
| Texas | ||
| Tarrant County Cultural Education Facilities Finance Corp., Buckner Retirement Services, Inc. Project, Revenue Bonds | ||
| Series B | ||
| 5.00%, due 11/15/46 | $ 500,000 | $ 481,563 |
| Tarrant County Cultural Education Facilities Finance Corp., Health Resources System, Revenue Bonds | ||
| Series A | ||
| 5.50%, due 11/15/52 (d) | 2,000,000 | 2,113,401 |
| Texas Private Activity Bond Surface Transportation Corp., NTE Mobility Partners Segments 3 LLC, Revenue Bonds, Senior Lien (b) | ||
| 5.375%, due 6/30/39 | 1,655,000 | 1,719,410 |
| 5.50%, due 6/30/43 | 1,030,000 | 1,061,856 |
| Travis County Development Authority, Longview 71 Public Improvement District Improvement Area No. 1 Project, Special Assessment | ||
| 5.125%, due 9/1/54 (a) | 840,000 | 820,887 |
| 20,779,002 | ||
| U.S. Virgin Islands 1.0% | ||
| Matching Fund Special Purpose Securitization Corp., Revenue Bonds | ||
| Series A | ||
| 5.00%, due 10/1/39 | 1,000,000 | 1,026,937 |
| Utah 5.6% | ||
| City of Salt Lake City, Airport, Revenue Bonds | ||
| Series A | ||
| 5.50%, due 7/1/53 (b) | 1,000,000 | 1,037,236 |
| Downtown Revitalization Public Infrastructure District, Seg Redevelopment Project, Revenue Bonds, First Lien | ||
| Series A, Insured: AG | ||
| 5.50%, due 6/1/50 (d) | 2,500,000 | 2,673,685 |
| Intermountain Power Agency, Revenue Bonds | ||
| Series A | ||
| 5.25%, due 7/1/44 | 1,000,000 | 1,056,119 |
| Series A | ||
| 5.25%, due 7/1/45 | 750,000 | 789,895 |
| Verk Industrial Regional Public Infrastructure District, Tax Allocation | ||
| 6.625%, due 9/1/47 (a) | 350,000 | 369,716 |
| 5,926,651 | ||
| Virginia 0.7% | ||
| Virginia College Building Authority, Regent University Project, Revenue Bonds | ||
| 6.00%, due 6/1/50 | 750,000 | 781,876 |
| Washington 0.3% | ||
| Washington State Housing Finance Commission, Revenue Bonds | ||
| Series 2 | ||
| 4.221%, due 3/1/50 (c) | 369,349 | 352,496 |
| Wisconsin 2.1% | ||
| Public Finance Authority, Georgia SR 400 Express Lanes Project, Revenue Bonds, Senior Lien | ||
| 6.50%, due 12/31/65 (b) | 365,000 | 399,712 |
| Principal Amount | Value | |
| Long-Term Municipal Bonds | ||
| Wisconsin | ||
| Public Finance Authority, Million Air Three LLC, Revenue Bonds | ||
| Series B | ||
| 7.00%, due 9/1/54 (a) | $ 250,000 | $ 262,739 |
| Public Finance Authority, Nolina & Sorella Projects, Revenue Bonds | ||
| 5.50%, due 12/15/32 (a) | 339,687 | 339,572 |
| Public Finance Authority, Wonderful Foundations Charter School, Revenue Bonds | ||
| Series A-1 | ||
| 5.00%, due 1/1/55 (a) | 1,500,000 | 1,266,983 |
| 2,269,006 | ||
| Total Long-Term Municipal Bonds (Cost $129,127,571) | 130,176,358 | |
| Short-Term Municipal Note 0.5% | ||
| Texas 0.5% | ||
| Harris County Cultural Education Facilities Finance Corp., Houston Methodist, Revenue Bonds | ||
| Series F | ||
| 2.18%, due 12/1/60 (g) | 550,000 | 550,000 |
| Total Short-Term Municipal Note (Cost $550,000) | 550,000 | |
| Total Municipal Bonds (Cost $129,677,571) | 130,726,358 | |
| Long-Term Bond 0.9% | ||
| Corporate Bond 0.9% | ||
| Commercial Services 0.9% | ||
| Toll Road Investors Partnership II LP | ||
| Series A | ||
| 7.125%, due 2/15/35 (a) | 1,000,000 | 983,253 |
| Total Long-Term Bond (Cost $1,004,655) | 983,253 | |
| Shares | ||
| Closed-End Funds 1.0% | ||
| Massachusetts 0.1% | ||
| Eaton Vance Municipal Bond Fund | 12,142 | 116,077 |
| New Jersey 0.9% | ||
| BlackRock MuniHoldings Fund, Inc. | 80,168 | 919,527 |
| Total Closed-End Funds (Cost $1,088,016) | 1,035,604 | |
| Shares | Value | ||
| Short-Term Investment 0.7% | |||
| Unaffiliated Investment Company 0.7% | |||
| BlackRock Liquidity Funds MuniCash, 2.159% (h) | 749,457 | $ 749,532 | |
| Total Short-Term Investment (Cost $749,532) | 749,532 | ||
| Total Investments (Cost $132,519,774) | 125.2% | 133,494,747 | |
| Floating Rate Note Obligations (i) | (26.9) | (28,725,000) | |
| Other Assets, Less Liabilities | 1.7 | 1,818,377 | |
| Net Assets Applicable to Common Shares | 100.0% | $ 106,588,124 | |
| † | Percentages indicated are based on Fund net assets applicable to Common shares. |
| ^ | Industry classifications may be different than those used for compliance monitoring purposes. |
| (a) | May be sold to institutional investors only under Rule 144A or securities offered pursuant to Section 4(a)(2) of the Securities Act of 1933, as amended. |
| (b) | Interest on these securities is subject to alternative minimum tax. |
| (c) | Coupon rate may change based on changes of the underlying collateral or prepayments of principal. Rate shown was the rate in effect as of July 31, 2026. |
| (d) | All or portion of principal amount transferred to a Tender Option Bond (“TOB”) Issuer in exchange for TOB Residuals and cash. |
| (e) | Issue in default. |
| (f) | Issue in non-accrual status. |
| (g) | Variable-rate demand notes (VRDNs)—Provide the right to sell the security at face value on either that day or within the rate-reset period. VRDNs will normally trade as if the maturity is the earlier put date, even though stated maturity is longer. The interest rate is reset on the put date at a stipulated daily, weekly, monthly, quarterly, or other specified time interval to reflect current market conditions. These securities do not indicate a reference rate and spread in their description. The maturity date shown is the final maturity. |
| (h) | Current yield as of July 31, 2026. |
| (i) | Face value of Floating Rate Notes issued in TOB transactions. |
| Type | Number of Contracts | Expiration Date | Value at Trade Date | Current Notional Amount | Unrealized Appreciation (Depreciation)2 |
| Short Contracts | |||||
| U.S. Treasury Long Bonds | (10) | September 2026 | $ (1,106,201) | $ (1,083,125) | $ 23,076 |
| 1. | As of July 31, 2026, cash in the amount of $37,000 was on deposit with a broker or futures commission merchant for futures transactions. |
| 2. | Represents the difference between the value of the contracts at the time they were opened and the value as of July 31, 2026. |
| Abbreviation(s): |
| AG—Assured Guaranty Ltd. |
| BAM—Build America Mutual Assurance Co. |
| FHA—Federal Housing Administration |
| FHLMC—Federal Home Loan Mortgage Corp. |
| FNMA—Federal National Mortgage Association |
| GNMA—Government National Mortgage Association |
| HUD—Housing and Urban Development |
| MTA—Metropolitan Transportation Authority |
| NATL-RE—National Public Finance Guarantee Corp. |
| PSF-GTD—Permanent School Fund Guaranteed |
| Description | Quoted Prices in Active Markets for Identical Assets (Level 1) | Significant Other Observable Inputs (Level 2) | Significant Unobservable Inputs (Level 3) | Total | |||
| Asset Valuation Inputs | |||||||
| Investments in Securities (a) | |||||||
| Municipal Bonds | |||||||
| Long-Term Municipal Bonds | $ — | $ 130,176,358 | $ — | $ 130,176,358 | |||
| Short-Term Municipal Note | — | 550,000 | — | 550,000 | |||
| Total Municipal Bonds | — | 130,726,358 | — | 130,726,358 | |||
| Long-Term Bond | |||||||
| Corporate Bond | — | 983,253 | — | 983,253 | |||
| Closed-End Funds | 1,035,604 | — | — | 1,035,604 | |||
| Short-Term Investment | |||||||
| Unaffiliated Investment Company | 749,532 | — | — | 749,532 | |||
| Total Investments in Securities | 1,785,136 | 131,709,611 | — | 133,494,747 | |||
| Other Financial Instruments | |||||||
| Futures Contracts (b) | 23,076 | — | — | 23,076 | |||
| Total Investments in Securities and Other Financial Instruments | $ 1,808,212 | $ 131,709,611 | $ — | $ 133,517,823 |
| (a) | For a complete listing of investments and their industries, see the Portfolio of Investments. |
| (b) | The value listed for these securities reflects unrealized appreciation (depreciation) as shown on the Portfolio of Investments. |
| • | Level 1—quoted prices (unadjusted) in active markets for an identical asset or liability |
| • | Level 2—other significant observable inputs (including quoted prices for a similar asset or liability in active markets, interest rates and yield curves, prepayment speeds, credit risk, etc.) |
| • | Level 3—significant unobservable inputs (including the Fund's own assumptions about the assumptions that market participants would use in measuring fair value of an asset or liability) |
| • Benchmark yields | • Reported trades |
| • Broker/dealer quotes | • Issuer spreads |
| • Two-sided markets | • Benchmark securities |
| • Bids/offers | • Reference data (corporate actions or material event notices) |
| • Industry and economic events | • Comparable bonds |
| • Monthly payment information |