Pioneer Municipal High Income Advantage Fund, Inc.
Schedule of Investments  |  December 31, 2023 
 
Ticker Symbol: MAV
Schedule of Investments  |  12/31/23
(unaudited) 
Principal
Amount
USD ($) 		          Value
  UNAFFILIATED ISSUERS — 159.7%  
  Municipal Bonds — 158.2% of Net Assets(a)  
  Arizona — 1.4%  
1,325,000 Arizona Industrial Development Authority, Doral Academy Nevada Fire Mesa, Series A, 5.00%, 7/15/39 $   1,334,474
1,965,000 Industrial Development Authority of the City of Phoenix, 3rd & Indian School Assisted Living Project, 5.40%, 10/1/36    1,807,682
  Total Arizona    $3,142,156
  Arkansas — 8.5%  
1,500,000 Arkansas Development Finance Authority, Big River Steel Project, 4.75%, 9/1/49 (144A) $   1,501,935
17,500,000 Arkansas Development Finance Authority, Green Bond, 5.45%, 9/1/52   17,568,600
  Total Arkansas   $19,070,535
  California — 23.6%  
2,500,000 Bay Area Toll Authority, Series F-2, 2.60%, 4/1/56 $   1,655,275
38,610,000(b) California County Tobacco Securitization Agency, Capital Appreciation, Stanislaus County, Subordinated, Series A, 6/1/46   10,272,577
5,000,000 California Health Facilities Financing Authority, Cedars-Sinai Health System, Series A, 3.00%, 8/15/51     4,000,600
1,500,000 California Municipal Finance Authority, Series A, 5.25%, 11/1/52 (AGM Insured)     1,690,350
1,875,000 California Statewide Communities Development Authority, Lancer Plaza Project, 5.875%, 11/1/43     1,878,787
2,000,000 California Statewide Communities Development Authority, Loma Linda University Medical Center, 5.50%, 12/1/58 (144A)     2,039,060
1,700,000 California Statewide Communities Development Authority, Loma Linda University Medical Center, Series A, 5.00%, 12/1/41 (144A)     1,697,484
5,915,000 California Statewide Communities Development Authority, Loma Linda University Medical Center, Series A, 5.00%, 12/1/46 (144A)     5,853,484
6,465,000 California Statewide Communities Development Authority, Loma Linda University Medical Center, Series A, 5.25%, 12/1/56 (144A)     6,485,494
2,300,000 City of Oroville, Oroville Hospital, 5.25%, 4/1/34     1,576,282
3,500,000 City of Oroville, Oroville Hospital, 5.25%, 4/1/39     2,429,175
5,500,000 City of Oroville, Oroville Hospital, 5.25%, 4/1/49     3,700,290
1Pioneer Municipal High Income Advantage Fund, Inc. |  | 12/31/23
Principal
Amount
USD ($) 		          Value
  California — (continued)  
8,000,000 City of Oroville, Oroville Hospital, 5.25%, 4/1/54 $   5,544,080
4,000,000 San Diego County Regional Airport Authority, Private Activity, Series B, 5.25%, 7/1/58    4,319,240
  Total California   $53,142,178
  Colorado — 5.6%  
1,000,000 Aerotropolis Regional Transportation Authority, 4.375%, 12/1/52 $     843,710
500,000 Colorado Health Facilities Authority, Series A, 4.00%, 8/1/37       499,675
1,000,000 Colorado Health Facilities Authority, Series A, 4.00%, 8/1/44       925,290
1,000,000 Colorado Health Facilities Authority, Series A, 4.00%, 8/1/49       957,660
1,148,000(c) Cottonwood Highlands Metropolitan District No. 1, Series A, 5.00%, 12/1/49     1,088,453
8,250,000 Dominion Water & Sanitation District, 5.875%, 12/1/52    8,320,868
  Total Colorado   $12,635,656
  Connecticut — 0.9%  
2,035,000 Mohegan Tribal Finance Authority, 7.00%, 2/1/45 (144A) $   2,039,477
  Total Connecticut    $2,039,477
  Delaware — 0.4%  
450,000 Delaware State Economic Development Authority, Aspira of Delaware Charter, 3.00%, 6/1/32 $     382,122
700,000 Delaware State Economic Development Authority, Aspira of Delaware Charter, 4.00%, 6/1/42      570,927
  Total Delaware      $953,049
  District of Columbia — 3.0%  
6,630,000 District of Columbia Tobacco Settlement Financing Corp., Asset-Backed, 6.75%, 5/15/40 $   6,879,156
  Total District of Columbia    $6,879,156
  Florida — 3.0%  
2,500,000 County of Hillsborough, 3.00%, 8/1/46 $   2,031,900
550,000 County of Lake, Imagine South Lake, Charter School Project, 5.00%, 1/15/39 (144A)       560,709
Pioneer Municipal High Income Advantage Fund, Inc. |  | 12/31/232
Schedule of Investments  |  12/31/23
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Florida — (continued)  
825,000 County of Lake, Imagine South Lake, Charter School Project, 5.00%, 1/15/49 (144A) $     785,177
4,300,000 State of Florida Department of Transportation Turnpike System Revenue, Series B, 2.00%, 7/1/37    3,448,815
  Total Florida    $6,826,601
  Idaho — 0.9%  
2,000,000 Power County Industrial Development Corp., FMC Corp. Project, 6.45%, 8/1/32 $   2,006,440
  Total Idaho    $2,006,440
  Illinois — 6.4%  
3,760,000(c) Chicago Board of Education, Series A, 5.00%, 12/1/47 $   3,758,271
1,000,000(c) Chicago Board of Education, Series A, 7.00%, 12/1/46 (144A)     1,090,020
1,200,000(c) Chicago Board of Education, Series D, 5.00%, 12/1/46     1,192,728
2,000,000(c) Chicago Board of Education, Series H, 5.00%, 12/1/46     1,983,400
2,000,000(c) City of Chicago, Series B-R, 5.50%, 1/1/34     2,026,720
140,903(b) Illinois Finance Authority, Cabs Clare Oaks Project, Series B-1, 11/15/52         8,454
223,202(d)(e) Illinois Finance Authority, Clare Oaks Project, Series A-3, 4.00%, 11/15/52       145,081
920,000 Illinois Housing Development Authority, Series B, 2.15%, 10/1/41 (GNMA FNMA FHLMC COLL Insured)       715,309
3,000,000 Metropolitan Pier & Exposition Authority, McCormick Place Expansion, 4.00%, 6/15/50     2,857,560
1,015,000(d) Southwestern Illinois Development Authority, Village of Sauget Project, 5.625%, 11/1/26      761,250
  Total Illinois   $14,538,793
  Indiana — 0.5%  
1,000,000 Indiana Finance Authority, Multipurpose Educational Facilities, Avondale Meadows Academy Project, 5.125%, 7/1/37 $   1,015,480
  Total Indiana    $1,015,480
3Pioneer Municipal High Income Advantage Fund, Inc. |  | 12/31/23
Principal
Amount
USD ($) 		          Value
  Iowa — 3.8%  
6,900,000 Iowa Finance Authority, Alcoa Inc. Projects, 4.75%, 8/1/42 $   6,753,858
2,055,000 Iowa Tobacco Settlement Authority, Series A-2, 4.00%, 6/1/49    1,853,795
  Total Iowa    $8,607,653
  Maine — 0.8%  
2,000,000 Maine Health & Higher Educational Facilities Authority, Series A, 4.00%, 7/1/50 $   1,906,040
  Total Maine    $1,906,040
  Maryland — 1.0%  
2,700,000 Maryland State Transportation Authority, Series A, 3.00%, 7/1/47 $   2,167,479
  Total Maryland    $2,167,479
  Massachusetts — 9.0%  
1,000,000(c) Commonwealth of Massachusetts, Series C, 3.00%, 3/1/49 $     794,280
3,500,000 Massachusetts Development Finance Agency, Lowell General Hospital, Series G, 5.00%, 7/1/44     3,498,565
8,000,000 Massachusetts Development Finance Agency, WGBH Educational Foundation, Series A, 5.75%, 1/1/42 (AMBAC Insured)   10,438,400
1,315,000 Massachusetts Housing Finance Agency, Series A-1, 4.20%, 12/1/52     1,284,045
2,790,000(c) Town of Arlington, 2.00%, 9/15/40     2,038,402
950,000(c) Town of Plymouth, 2.00%, 5/1/34       811,443
2,160,000(c) Town of Rockland, 2.20%, 8/1/50    1,430,179
  Total Massachusetts   $20,295,314
  Michigan — 0.9%  
1,985,000 David Ellis Academy-West, 5.25%, 6/1/45 $   1,876,976
205,000 Michigan Public Educational Facilities Authority, Crescent Academy, 7.00%, 10/1/36      205,636
  Total Michigan    $2,082,612
  Minnesota — 1.2%  
1,000,000 City of Ham Lake, DaVinci Academy, Series A, 5.00%, 7/1/47 $     952,720
1,740,000 City of Rochester, Health Care Facilities, Mayo Clinic, 4.00%, 11/15/48    1,744,402
  Total Minnesota    $2,697,122
Pioneer Municipal High Income Advantage Fund, Inc. |  | 12/31/234
Schedule of Investments  |  12/31/23
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Montana — 0.3%  
2,445,000(d)(e) City of Hardin, Tax Allocation, Rocky Mountain Power, Inc., Project, 6.25%, 9/1/31 $     537,900
1,000,000(d) Two Rivers Authority, 7.375%, 11/1/27       50,000
  Total Montana      $587,900
  New Hampshire — 0.5%  
1,375,000 New Hampshire Health and Education Facilities Authority Act, Catholic Medical Centre, 3.75%, 7/1/40 $   1,083,651
  Total New Hampshire    $1,083,651
  New Jersey — 0.4%  
1,000,000 New Jersey Economic Development Authority, Marion P. Thomas Charter School, Inc., Project, Series A, 5.375%, 10/1/50 (144A) $     943,390
  Total New Jersey      $943,390
  New York — 10.6%  
3,000,000 Erie Tobacco Asset Securitization Corp., Asset-Backed, Series A, 5.00%, 6/1/45 $   2,755,230
2,000,000 Metropolitan Transportation Authority, Green Bond, Series C-1, 5.25%, 11/15/55     2,105,920
5,000,000 Metropolitan Transportation Authority, Green Bond, Series D-2, 4.00%, 11/15/48     4,855,900
2,530,000 New York Counties Tobacco Trust IV, Settlement pass through, Series A, 5.00%, 6/1/45     2,357,150
3,240,000 New York Counties Tobacco Trust VI, Series 2B, 5.00%, 6/1/45     3,068,669
4,685,000 New York State Housing Finance Agency, Sustainability Bond, Series G, 2.73%, 11/1/51 (SONYMA Insured)     3,256,590
1,750,000 New York Transportation Development Corp., Green Bond, 5.375%, 6/30/60     1,818,408
2,000,000 TSASC, Inc., Series B, 5.00%, 6/1/48     1,803,200
1,168,828 Westchester County Healthcare Corp., Series A, 5.00%, 11/1/44     1,180,703
1,000,000 Westchester County Local Development Corp., Purchase Senior Learning Community, Inc. Project, 4.50%, 7/1/56 (144A)      760,420
  Total New York   $23,962,190
  North Carolina — 1.5%  
500,000 City of Charlotte Airport Revenue, Series A, 5.00%, 7/1/42 $     524,835
5Pioneer Municipal High Income Advantage Fund, Inc. |  | 12/31/23
Principal
Amount
USD ($) 		          Value
  North Carolina — (continued)  
500,000 City of Charlotte Water & Sewer System Revenue, 2.00%, 7/1/41 $     355,115
1,000,000 City of Charlotte Water & Sewer System Revenue, 2.00%, 7/1/42       693,860
2,500,000(c) County of Mecklenburg, 2.00%, 3/1/41    1,810,575
  Total North Carolina    $3,384,385
  Ohio — 8.1%  
15,855,000 Buckeye Tobacco Settlement Financing Authority, Senior Class 2, Series B-2, 5.00%, 6/1/55 $  14,877,222
1,500,000 County of Muskingum, Genesis Healthcare System Project , 5.00%, 2/15/44     1,411,380
2,000,000 State of Ohio, 5.00%, 12/31/39    2,019,880
  Total Ohio   $18,308,482
  Oregon — 4.4%  
10,000,000 Medford Hospital Facilities Authority, Asante Project, Series A, 4.00%, 8/15/45 (AGM Insured) $   9,900,900
  Total Oregon    $9,900,900
  Pennsylvania — 9.8%  
1,000,000 Chester County Industrial Development Authority, Collegium Charter School, Series A, 5.25%, 10/15/47 $     933,770
6,665,000 Montgomery County Higher Education and Health Authority, Thomas Jefferson University, 4.00%, 9/1/49     6,352,012
4,585,000 Montgomery County Higher Education and Health Authority, Thomas Jefferson University, Series B, 5.00%, 5/1/52     4,798,753
6,000,000 Pennsylvania Higher Educational Facilities Authority, University of Pennsylvania, 4.00%, 8/15/49     5,895,000
2,500,000 Philadelphia Authority for Industrial Development, 5.125%, 12/15/44 (144A)     2,357,100
500,000 Philadelphia Authority for Industrial Development, 5.50%, 6/1/49 (144A)       478,505
1,000,000 Philadelphia Authority for Industrial Development, Global Leadership Academy Charter School Project, Series A, 5.00%, 11/15/50       920,680
470,000 Philadelphia Authority for Industrial Development, Greater Philadelphia Health Action, Inc., Project, Series A, 6.625%, 6/1/50      471,057
  Total Pennsylvania   $22,206,877
Pioneer Municipal High Income Advantage Fund, Inc. |  | 12/31/236
Schedule of Investments  |  12/31/23
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Puerto Rico — 20.6%  
2,375,679(c) Commonwealth of Puerto Rico, Restructured Series A-1, 4.00%, 7/1/37 $   2,233,376
5,021,480(c) Commonwealth of Puerto Rico, Restructured Series A-1, 4.00%, 7/1/41     4,576,979
6,810,000(c) Commonwealth of Puerto Rico, Restructured Series A-1, 4.00%, 7/1/46     6,067,710
2,000,000 Puerto Rico Commonwealth Aqueduct & Sewer Authority, Series A, 5.00%, 7/1/37 (144A)     2,008,240
16,250,000 Puerto Rico Commonwealth Aqueduct & Sewer Authority, Series A, 5.00%, 7/1/47 (144A)   15,636,237
1,000,000 Puerto Rico Electric Power Authority, Series AAA, 5.25%, 7/1/21       260,000
3,000,000 Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue, Restructured Series A-1, 4.75%, 7/1/53     2,943,900
10,255,000 Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue, Restructured Series A-1, 5.00%, 7/1/58   10,254,897
2,500,000 Puerto Rico Sales Tax Financing Corp. Sales Tax Revenue, Restructured Series A-2, 4.784%, 7/1/58    2,464,225
  Total Puerto Rico   $46,445,564
  Rhode Island — 0.2%  
1,355,000(d) Central Falls Detention Facility Corp., 7.25%, 7/15/35 $     542,000
  Total Rhode Island      $542,000
  South Carolina — 2.3%  
4,400,000(f) Tobacco Settlement Revenue Management Authority, Series B, 6.375%, 5/15/30 $   5,154,292
  Total South Carolina    $5,154,292
  South Dakota — 1.8%  
4,000,000 South Dakota Health & Educational Facilities Authority, Sanford Health, Series B, 4.00%, 11/1/44 $   3,973,720
  Total South Dakota    $3,973,720
  Texas — 13.7%  
500,000 Arlington Higher Education Finance Corp., 5.45%, 3/1/49 (144A) $     530,345
1,000,000 Arlington Higher Education Finance Corp., Universal Academy, Series A, 7.00%, 3/1/34     1,003,540
1,500,000 Arlington Higher Education Finance Corp., Universal Academy, Series A, 7.125%, 3/1/44     1,500,405
5,300,000 Central Texas Regional Mobility Authority, Senior Lien, Series D, 3.00%, 1/1/46     4,030,915
7,345,000 City of Houston Airport System Revenue, 4.00%, 7/15/41     6,564,741
7Pioneer Municipal High Income Advantage Fund, Inc. |  | 12/31/23
Principal
Amount
USD ($) 		          Value
  Texas — (continued)  
1,000,000 City of Houston Airport System Revenue, Series A, 4.00%, 7/1/41 $     893,760
5,000,000(e) Greater Texas Cultural Education Facilities Finance Corp., 9.00%, 2/1/50 (144A)     4,675,000
6,960,000(d) Sanger Industrial Development Corp., Texas Pellets Project, Series B, 8.00%, 7/1/38     1,713,900
946,978 Texas Department of Housing & Community Affairs, Series 2020-HOLL, 2.30%, 7/1/37 (FNMA HUD SECT 8 Insured)       792,800
1,000,000(e) Texas Midwest Public Facility Corp., Secure Treatment Facility Project, Restructured, 12/1/30       691,090
2,500,000 Texas Private Activity Bond Surface Transportation Corp., Blueridge Transportation Group, LLC SH 288 Toll Lanes Project, 5.00%, 12/31/50     2,522,450
6,000,000 Texas Private Activity Bond Surface Transportation Corp., Segment 3C Project, 5.00%, 6/30/58    6,071,460
  Total Texas   $30,990,406
  Virginia — 12.3%  
2,035,000 Lynchburg Economic Development Authority, 3.00%, 1/1/51 $   1,506,836
9,550,000 Tobacco Settlement Financing Corp., Series B-1, 5.00%, 6/1/47     9,057,220
2,000,000 Virginia College Building Authority, Public Higher Education Financing Program, Series C, 3.00%, 9/1/51 (ST INTERCEPT Insured)     1,588,520
10,000(g) Virginia Public Building Authority, Series A, 4.00%, 8/1/40        10,942
990,000 Virginia Public Building Authority, Series A, 4.00%, 8/1/40     1,023,743
1,000,000 Virginia Small Business Financing Authority, Senior Lien, 5.00%, 12/31/47     1,006,980
1,000,000 Virginia Small Business Financing Authority, Senior Lien 95 Express Lanes LLC Project, 4.00%, 1/1/48       926,160
5,500,000 Virginia Small Business Financing Authority, Transform 66-P3 Project, 5.00%, 12/31/49     5,528,765
2,500,000 Virginia Small Business Financing Authority, Transform 66-P3 Project, 5.00%, 12/31/52     2,510,475
4,600,000 Virginia Small Business Financing Authority, Transform 66-P3 Project, 5.00%, 12/31/56    4,613,202
  Total Virginia   $27,772,843
Pioneer Municipal High Income Advantage Fund, Inc. |  | 12/31/238
Schedule of Investments  |  12/31/23
(unaudited) (continued)
Principal
Amount
USD ($) 		          Value
  Wisconsin — 0.8%  
750,000 Public Finance Authority, Roseman University Health Sciences Project, 5.875%, 4/1/45 $     756,000
1,000,000 Public Finance Authority, SearStone CCRC Project, Series A, 5.00%, 6/1/37 (144A)      955,930
  Total Wisconsin    $1,711,930
  Total Municipal Bonds
(Cost $364,199,594) 		 $356,974,271
  U.S. Government and Agency
Obligations — 1.5% of Net Assets 		 
1,200,000(b) U.S. Treasury Bills, 1/16/24 $   1,197,546
2,200,000(b) U.S. Treasury Bills, 1/23/24    2,193,239
  Total U.S. Government and Agency Obligations
(Cost $3,390,302) 		   $3,390,785
  TOTAL INVESTMENTS IN UNAFFILIATED ISSUERS — 159.7%
(Cost $367,589,896) 		 $360,365,056
  OTHER ASSETS AND LIABILITIES — (59.7)% $(134,704,563)
  net assets — 100.0%  $225,660,493
             
AGM Assured Guaranty Municipal Corp.
AMBAC Ambac Assurance Corporation.
FHLMC Federal Home Loan Mortgage Corporation.
FNMA Federal National Mortgage Association.
FNMA HUD SECT 8 Federal National Mortgage Association U.S. Department of Housing and Urban Development Section 8.
GNMA Government National Mortgage Association.
SONYMA State of New York Mortgage Agency.
ST INTERCEPT State Aid Intercept.
(144A) The resale of such security is exempt from registration under Rule 144A of the Securities Act of 1933. Such securities may be resold normally to qualified institutional buyers. At December 31, 2023, the value of these securities amounted to $50,398,007, or 22.3% of net assets.
(a) Consists of Revenue Bonds unless otherwise indicated.
(b) Security issued with a zero coupon. Income is recognized through accretion of discount.
(c) Represents a General Obligation Bond.
(d) Security is in default.
9Pioneer Municipal High Income Advantage Fund, Inc. |  | 12/31/23
(e) The interest rate is subject to change periodically. The interest rate and/or reference index and spread shown at December 31, 2023.
(f) Escrow to maturity.
(g) Pre-refunded bonds have been collateralized by U.S. Treasury or U.S. Government Agency securities which are held in escrow to pay interest and principal on the tax exempt issue and to retire the bonds in full at the earliest refunding date.
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 Adviser's own assumptions in determining fair value of investments).
The following is a summary of the inputs used as of December 31, 2023 in valuing the Fund's investments:
  Level 1 Level 2 Level 3 Total
Municipal Bonds $— $356,974,271 $— $356,974,271
U.S. Government and Agency Obligations — 3,390,785 — 3,390,785
Total Investments in Securities $— $360,365,056 $— $360,365,056
During the period ended December 31, 2023, there were no transfers in or out of Level 3.
Pioneer Municipal High Income Advantage Fund, Inc. |  | 12/31/2310
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