mhiatsoi.htm
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                                 UNITED STATES
                       SECURITIES AND EXCHANGE COMMISSION
                             Washington, D.C. 20549

                                   FORM N-Q

                   QUARTERLY SCHEDULE OF PORTFOLIO HOLDINGS
    OF REGISTERED MANAGEMENT INVESTMENT COMPANY



  Investment Company Act file number 811-21409


                  Pioneer Municipal High Income Advantage Trust
               (Exact name of registrant as specified in charter)


                       60 State Street, Boston, MA 02109
              (Address of principal executive offices) (ZIP code)


            Dorothy E. Bourassa, Pioneer Investment Management, Inc.,
                       60 State Street, Boston, MA 02109
                    (Name and address of agent for service)


Registrant's telephone number, including area code:  (617) 742-7825


Date of fiscal year end:  March 31

Date of reporting period:  June 30, 2011

Form N-Q is to be used by management investment companies, other than small
business investment companies registered on Form N-5 (239.24 and 274.5 of this
chapter), to file reports with the Commission, not later than 60 days after
close of the first and third fiscal quarters, pursuant to Rule 30b1-5 under
the Investment Company Act of 1940 (17 CFR 270.30b1-5).  The Commission may
use the information provided on Form N-Q in its regulatory, disclosure review,
inspection, and policymaking roles.

A registrant is required to disclose the information specified by Form N-Q,
and the Commission will make this information public. A registrant is not
required to respond to the collection of information contained in Form N-Q
unless the Form displays a currently valid Office of Management and Budget
("OMB") control number. Please direct comments concerning the accuracy of the
information collection burden estimate and any suggestions for reducing the
burden to Secretary, Securities and Exchange Commission, 450 Fifth Street, NW,
Washington, DC 20549-0609.  The OMB has reviewed this collection of information
under the clearance requirements of 44 U.S.C. ss. 3507.


<PAGE>
ITEM 1. Schedule of Investments.



       
Pioneer Municipal High Income Advantage Trust
   
       
SCHEDULE OF INVESTMENTS 6/30/11 (unaudited)
   
 
 
S&P/
       
   
Moody's
 
 
   
Principal
 
Ratings
       
Amount
 
(unaudited)
   
 Value
 
             
 
     
TAX-EXEMPT OBLIGATIONS - 147.4% of Net Assets
   
       
Alabama - 0.6%
   
 $      2,500,000
 
NR/NR
 
Huntsville-Redstone Village Special Care Facilities Financing Authority, 5.5%, 1/1/43
 $       1,789,100
 
             
       
Arizona - 3.3%
   
         5,000,000
 
NR/NR
 
Casa Grande Industrial Development Authority Hospital Revenue, 7.625%, 12/1/29
 $       4,657,600
 
         1,492,000
 
NR/Baa3
 
Pima County Industrial Development Authority, 6.75%, 7/1/31
          1,413,103
 
         2,640,000
 
NR/NR
 
Pima County Industrial Development Authority, 7.0%, 1/1/38
          2,407,574
 
         1,000,000
 
NR/NR
 
San Luis Facility Development Corp., 7.25%, 5/1/27
             900,130
 
         
 $       9,378,407
 
       
California - 12.8%
   
         1,000,000
 
NR/NR
 
California Enterprise Development Authority Recovery Zone Facility Revenue, 8.5%, 4/1/31
 $       1,022,420
 
         3,140,000
(a)
AA+/WR
 
California State University Revenue, RIB, 12.808%, 11/1/39 (144A)
          3,029,755
 
         2,425,000
 
A-/A1
 
California State Various Purpose, 5.75%, 4/1/31
          2,588,639
 
         8,575,000
(a)
AA+/NR
 
California State Various Purpose, RIB, 12.808%, 6/1/37 (144A)
          8,018,482
 
         3,000,000
 
BB+/NR
 
California Statewide Communities Development Authority, 7.25%, 10/14/38 (144A)
          3,030,600
 
            803,175
(b)
NR/NR
 
California Statewide Communities Development Authority, 9.0%, 12/1/38
               44,978
 
         2,680,000
 †
AAA/Aaa
 
Golden State Tobacco Securitization Corp., 6.75%, 6/1/39
          2,999,724
 
         1,500,000
 
A-/NR
 
Madera Irrigation Financing Authority Water Revenue, 6.25%, 1/1/31
          1,530,690
 
         1,500,000
 
A-/NR
 
Madera Irrigation Financing Authority Water Revenue, 6.5%, 1/1/40
          1,530,375
 
         2,500,000
 
A/A2
 
San Jose California Airport Revenue, 5.0%, 3/1/37
          2,342,025
 
       10,500,000
(a)
AA+/NR
 
University of California, RIB, 13.36%, 5/15/38
        10,019,940
 
         
 $     36,157,628
 
       
Colorado - 1.4%
   
         2,850,000
 †
NR/WR
 
Denver Health & Hospital Authority Healthcare Revenue, 6.0%, 12/1/31
 $       2,917,659
 
         1,000,000
 
NR/NR
 
Kremmling Memorial Hospital District, 7.125%, 12/1/45
             971,240
 
         
 $       3,888,899
 
       
Connecticut - 3.0%
   
         7,750,000
 
BBB/Baa1
 
Connecticut State Development Authority Revenue, 5.75%, 11/1/37
 $       7,494,405
 
         1,000,000
 
NR/NR
 
Hamden Connecticut Facility Revenue, 7.75%, 1/1/43
          1,026,230
 
         
 $       8,520,635
 
       
District of Columbia - 3.3%
   
         2,700,000
 
BBB/Baa3
 
District of Columbia Tobacco Settlement Financing Corp., 6.5%, 5/15/33
 $       2,747,277
 
         6,825,000
 
BBB/Baa3
 
District of Columbia Tobacco Settlement Financing Corp., 6.75%, 5/15/40
          6,613,971
 
         
 $       9,361,248
 
       
Florida - 3.9%
   
         1,000,000
 
NR/NR
 
Florida Development Finance Corp. Educational Facilities Revenue, 6.0%, 9/15/40
 $          877,280
 
         2,000,000
 
NR/NR
 
Florida Development Finance Corp. Educational Facilities Revenue, 7.625%, 6/15/41
          1,956,600
 
         2,000,000
 
BBB+/Baa1
Hillsborough County Industrial Development Authority Pollution Control Revenue, 5.5%, 10/1/23
          2,032,240
 
         1,980,000
 
NR/NR
 
Hillsborough County Industrial Development Authority Revenue, 6.75%, 7/1/29
          1,806,988
 
         1,000,000
 †
NR/WR
 
Hillsborough County Industrial Development Authority Revenue, 8.0%, 8/15/32
          1,396,080
 
            500,000
 
NR/NR
 
Miami Beach Health Facilities Authority, 5.375%, 11/15/28
             437,515
 
         2,500,000
 
A-/A2
 
Miami-Dade County Florida Aviation Revenue, 5.5%, 10/1/41
          2,505,025
 
       
 
 $     11,011,728
 
       
Georgia - 4.5%
   
         5,210,000
(a)
NR/Aa3
 
Atlanta Georgia Water and Wastewater Revenue, RIB, 12.808%, 11/1/43 (144A)
 $       4,928,764
 
         1,000,000
 
CCC+/NR
 
Clayton County Development Authority Special Facilities Revenue, 9.0%, 6/1/35
          1,074,140
 
            900,000
 
NR/NR
 
DeKalb County Georgia Hospital Authority Revenue, 6.0%, 9/1/30
             891,828
 
            750,000
 
NR/NR
 
DeKalb County Georgia Hospital Authority Revenue, 6.125%, 9/1/40
             719,010
 
         1,065,000
 
NR/Ba2
 
Effingham County Industrial Development Authority, 6.5%, 6/1/31
          1,065,895
 
         3,360,000
 
NR/NR
 
Fulton County Residential Care Facilities, 7.0%, 7/1/29
          2,556,288
 
         1,650,000
 
NR/NR
 
Savannah Georgia Economic Development Authority Revenue, 7.4%, 1/1/34
          1,580,502
 
         
 $     12,816,427
 
       
Guam - 2.1%
   
         1,000,000
 
B/NR
 
Guam Government of Department Education Certificates of Participation, 6.625%, 12/1/30
 $          982,480
 
         4,400,000
 †
AAA/NR
 
Northern Mariana Islands, 6.75%, 10/1/33
          4,998,136
 
         
 $       5,980,616
 
       
Idaho - 1.2%
   
         2,000,000
 
BBB+/Baa1
Power County Industrial Development Corp., 6.45%, 8/1/32
 $       2,001,220
 
         1,500,000
 
BBB+/Baa1
Power County Pollution Control Revenue, 5.625%, 10/1/14
          1,503,750
 
         
 $       3,504,970
 
             
   
 
 
Illinois - 8.3%
   
 $      3,000,000
(c)
NR/NR
 
Centerpoint Intermodal Center, 8.5%, 6/15/23 (144A)
 $       3,000,420
 
         2,000,000
 
NR/Caa2
 
City of Chicago Illinois, 5.5%, 12/1/30
          1,528,340
 
         1,450,000
 
A+/A1
 
Illinois Finance Authority Revenue, 5.5%, 4/1/39
          1,394,059
 
         2,000,000
 
AA+/Aa3
 
Illinois Finance Authority Revenue, 6.0%, 8/15/25
          2,081,360
 
         1,000,000
 
NR/NR
 
Illinois Finance Authority Revenue, 6.0%, 11/15/27
             599,400
 
         2,000,000
 
AA+/Aa2
 
Illinois Finance Authority Revenue, 6.0%, 8/15/39
          2,123,840
 
         2,500,000
 
NR/NR
 
Illinois Finance Authority Revenue, 6.125%, 11/15/25
          2,204,850
 
         6,000,000
 
NR/NR
 
Illinois Finance Authority Revenue, 8.25%, 5/15/45
          5,788,020
 
         2,500,000
 
NR/NR
 
Illinois Finance Authority Revenue, 8.25%, 2/15/46
          2,420,725
 
         1,500,000
(b)
NR/NR
 
Illinois Health Facilities Authority Revenue, 6.9%, 11/15/33
             524,850
 
         2,415,000
 
NR/NR
 
Southwestern Illinois Development Authority Revenue, 5.625%, 11/1/26
          1,822,021
 
         
 $     23,487,885
 
       
Indiana - 5.9%
   
            250,000
 
NR/Baa3
 
East Chicago Indiana Exempt Facilities Revenue, 7.0%, 1/1/14
 $          241,047
 
       10,000,000
 
BBB-/WR
 
Indiana State Development Finance Authority Revenue, 5.75%, 10/1/11
        10,027,900
 
         5,000,000
 
NR/Ba2
 
Jasper County Industrial Economic Development Revenue, 5.6%, 4/1/29
          4,704,900
 
         1,900,000
 
NR/NR
 
Vincennes Industrial Economic Development Revenue, 6.25%, 1/1/24
          1,646,996
 
         
 $     16,620,843
 
       
Kansas - 0.3%
   
         1,000,000
 
NR/A2
 
Kansas Development Finance Authority, 5.0%, 5/15/35
 $          941,510
 
             
   
 
 
Kentucky - 1.4%
   
         4,390,000
 
BB-/NR
 
Kentucky Economic Development Finance Authority Hospital System Revenue, 5.875%, 10/1/22
 $       3,825,534
 
             
       
Louisiana - 5.1%
   
         2,500,000
 
BBB-/Ba2
 
Louisiana Local Government Environmental Facilities Development Authority Revenue, 6.75%, 11/1/32
 $       2,602,700
 
         6,000,000
 
NR/Baa1
 
Louisiana Public Facilities Authority Revenue, 5.5%, 5/15/47
          5,302,260
 
            750,000
 
BBB+/NR
 
Opelousas Louisiana General Hospital Authority Revenue, 5.75%, 10/1/23
             762,465
 
         5,915,000
 
A-/Baa3
 
Tobacco Settlement Financing Corp., 5.875%, 5/15/39
          5,698,866
 
         
 $     14,366,291
 
       
Maryland - 1.5%
   
            460,000
 
NR/NR
 
Maryland Health & Higher Educational Facilities Authority Revenue, 5.25%, 1/1/27
 $          367,149
 
         1,250,000
 
NR/NR
 
Maryland Health & Higher Educational Facilities Authority Revenue, 5.3%, 1/1/37
             858,712
 
         1,250,000
 
NR/Baa3
 
Maryland Health & Higher Educational Facilities Authority Revenue, 5.75%, 7/1/38
          1,062,938
 
         2,000,000
 
NR/NR
 
Maryland Health & Higher Educational Facilities Authority Revenue, 6.25%, 1/1/45
          2,030,020
 
         
 $       4,318,819
 
       
Massachusetts - 8.9%
   
            755,000
 
BB/NR
 
Massachusetts Development Finance Agency, 5.25%, 10/1/18
 $          707,246
 
         8,000,000
 
A/WR
 
Massachusetts Development Finance Agency, 5.75%, 1/1/42
          8,104,000
 
         1,930,000
 
NR/NR
 
Massachusetts Development Finance Agency, 7.1%, 7/1/32
          1,701,527
 
         2,195,000
 
BBB-/Baa3
 
Massachusetts Health & Educational Facilities Authority Revenue, 5.375%, 7/15/28
          2,003,881
 
         3,420,000
 
NR/NR
 
Massachusetts Health & Educational Facilities Authority Revenue, 6.5%, 1/15/38
          2,706,417
 
       10,760,000
 
AA-/Aa3
 
Massachusetts Housing Finance Agency, 5.35%, 12/1/45
        10,071,575
 
         
 $     25,294,646
 
       
Michigan - 0.9%
   
         2,000,000
 
NR/Ba1
 
Flint Michigan Hospital Building Authority Revenue, 7.375%, 7/1/35
 $       2,002,860
 
            735,000
 
NR/NR
 
Michigan Public Educational Facilities Authority Revenue, 7.0%, 10/1/36
             652,790
 
         
 $       2,655,650
 
       
Minnesota - 0.4%
   
         1,000,000
 
NR/NR
 
Port Authority of the City of Bloomington, Minnesota Recovery Zone Facility Revenue, 9.0%, 12/1/35
 $       1,013,400
 
             
       
Missouri - 1.8%
   
         1,000,000
 
NR/NR
 
Kansas City Tax Increment Financing Commission Tax Increment Revenue, 6.5%, 6/1/25
 $          990,020
 
         1,500,000
(b)(d)
NR/Ca
 
St. Louis Industrial Development Authority Revenue, 7.2%, 12/15/28
             772,875
 
         6,640,000
(b)(d)
NR/Ca
 
St. Louis Industrial Development Authority Revenue, 7.25%, 12/15/35
          3,403,332
 
         
 $       5,166,227
 
       
Montana - 0.6%
   
         2,445,000
(e)
NR/NR
 
Hardin Increment Industrial Infrastructure Development Revenue, 0.0%, 9/1/31
 $       1,555,558
 
         1,000,000
(b)(d)
NR/NR
 
Two Rivers Authority, Inc., Project Revenue, 7.375%, 11/1/27
             153,130
 
         
 $       1,708,688
 
       
Nevada - 2.0%
   
         1,500,000
 
A/A2
 
Henderson Nevada Health Care Facilities Revenue, 5.625%, 7/1/24
 $       1,533,795
 
         1,600,000
(b)(d)
NR/NR
 
Nevada State Department of Business & Industry, 7.25%, 1/1/23
                      16
 
         1,000,000
(b)(d)
NR/NR
 
Nevada State Department of Business & Industry, 7.375%, 1/1/30
                      10
 
         1,320,000
(b)(d)
NR/NR
 
Nevada State Department of Business & Industry, 7.375%, 1/1/40
                      13
 
         5,000,000
 
A-/A3
 
Reno Nevada Hospital Revenue, 5.25%, 6/1/41
          4,243,550
 
         
 $       5,777,384
 
       
New Hampshire - 0.4%
   
         1,125,000
 
NR/NR
 
New Hampshire Health & Educational Facilities Authority Revenue, 5.875%, 7/1/34
 $       1,072,564
 
             
             
       
New Jersey - 12.7%
   
 $      2,500,000
 
NR/NR
 
Burlington County New Jersey Bridge Commission Revenue, 5.625%, 1/1/38
 $       2,023,275
 
       13,000,000
 
B/B3
 
New Jersey Economic Development Authority Revenue, 6.25%, 9/15/29
        12,232,220
 
         3,500,000
(a)
NR/Aa3
 
New Jersey State Turnpike Authority, RIB, 13.532%, 1/1/28 (144A)
          4,674,530
 
       15,375,000
 
AA+/Aa1
 
New Jersey Transportation Trust Fund Authority Revenue, 0.0%, 12/15/27
          6,711,956
 
         1,000,000
 †
AAA/Aaa
 
Tobacco Settlement Financing Corp., 6.25%, 6/1/43
          1,110,920
 
         3,250,000
 †
AAA/Aaa
 
Tobacco Settlement Financing Corp., 6.75%, 6/1/39
          3,641,528
 
         5,000,000
 †
AAA/Aaa
 
Tobacco Settlement Financing Corp., 7.0%, 6/1/41
          5,625,200
 
         
 $     36,019,629
 
       
New York - 9.7%
   
         1,730,000
 
NR/NR
 
Dutchess County Industrial Development Agency, 7.5%, 3/1/29
 $       1,690,591
 
         3,000,000
 
NR/NR
 
Nassau County New York Industrial Development Agency Revenue, 6.7%, 1/1/43
          2,814,810
 
         5,000,000
 
BB-/B1
 
New York City Industrial Development Agency, 5.25%, 12/1/32
          4,070,750
 
         3,950,000
 
BB-/B1
 
New York City Industrial Development Agency, 7.625%, 12/1/32
          3,986,301
 
         3,000,000
 
B-/Caa2
 
New York City Industrial Development Agency, 8.0%, 8/1/12
          3,091,680
 
         2,000,000
 
NR/Ba1
 
New York State Dormitory Authority Revenue, 6.125%, 12/1/29
          1,890,700
 
         5,000,000
 
AAA/Aaa
 
New York State Environmental Facilities Corp., 5.0%, 6/15/33
          5,064,050
 
         2,000,000
 
BB/NR
 
Seneca Nation Indians Capital Improvement Authority Revenue, 5.25%, 12/1/16 (144A)
          1,879,660
 
         3,000,000
 
NR/NR
 
Ulster County New York Industrial Development Agency, 6.0%, 9/15/27
          2,481,180
 
            500,000
 
NR/NR
 
Ulster County New York Industrial Development Agency, 6.0%, 9/15/37
             382,975
 
         
 $     27,352,697
 
       
North Carolina - 1.8%
   
         5,010,000
 
NR/NR
 
Charlotte North Carolina Special Facilities Revenue, 7.75%, 2/1/28
 $       4,969,369
 
             
       
Ohio - 3.0%
   
         1,635,000
 
NR/NR
 
Belmont County Health System Revenue, 5.7%, 1/1/13
 $       1,282,429
 
         1,000,000
 
NR/NR
 
Belmont County Health System Revenue, 5.8%, 1/1/18
             736,200
 
         5,000,000
 
BB-/Baa3
 
Buckeye Tobacco Settlement Financing Authority, 6.5%, 6/1/47
          3,968,950
 
         3,000,000
 
CCC+/B3
 
Cleveland Airport Special Revenue, 5.375%, 9/15/27
          2,588,700
 
         
 $       8,576,279
 
       
Oklahoma - 2.4%
   
         2,220,000
 
B-/Caa2
 
Tulsa Municipal Airport Trust Revenue, 6.25%, 6/1/20
 $       2,148,671
 
         1,500,000
 
B-/Caa2
 
Tulsa Municipal Airport Trust Revenue, 7.35%, 12/1/11
          1,503,735
 
         3,000,000
(c)
NR/Caa2
 
Tulsa Municipal Airport Trust Revenue, 7.75%, 6/1/35
          3,095,160
 
         
 $       6,747,566
 
       
Oregon - 0.7%
   
         2,000,000
 
A-/NR
 
Oregon State Facilities Authority Revenue, 5.25%, 10/1/40
 $       1,973,340
 
             
       
Pennsylvania - 6.2%
   
         3,600,000
 
CCC/NR
 
Columbia County Hospital Authority Revenue, 5.85%, 6/1/24
 $       3,097,368
 
            710,000
 
BBB/Ba1
 
Hazleton Health Services Authority Hospital Revenue, 6.125%, 7/1/16
             711,243
 
         1,430,000
 
BB/NR
 
Pennsylvania Economic Development Financing Authority Revenue, 5.125%, 6/1/18
          1,299,441
 
         5,000,000
 
B/Caa2
 
Pennsylvania Economic Development Financing Authority Revenue, 6.0%, 6/1/31
          4,301,650
 
         5,000,000
 
BBB/Baa3
 
Philadelphia Hospitals & Higher Education Facilities Authority Revenue, 5.0%, 7/1/34
          4,075,250
 
         2,005,000
 
B-/NR
 
Scranton-Lackawanna Health & Welfare Authority Revenue, 6.1%, 7/1/11
          2,004,880
 
         2,245,000
 
B-/NR
 
Scranton-Lackawanna Health & Welfare Authority Revenue, 6.15%, 7/1/12
          2,206,543
 
       
 
 $     17,696,375
 
       
Rhode Island - 3.6%
   
         1,375,000
(c)(d)
NR/NR
 
Central Falls Rhode Island Detention Facilities Revenue, 7.25%, 7/15/35
 $       1,114,204
 
         1,500,000
 
NR/NR
 
Rhode Island Health & Educational Building Corp Revenue, 8.375%, 1/1/46
          1,506,120
 
         8,285,000
 
BBB/Baa3
 
Tobacco Settlement Financing Corp., 6.25%, 6/1/42
          7,502,482
 
         
 $     10,122,806
 
       
South Carolina - 5.1%
   
         7,140,000
 †
BBB+/Baa1
South Carolina Jobs Economic Development Authority Revenue, 6.375%, 8/1/34
 $       8,000,941
 
            860,000
 †
BBB+/Baa1
South Carolina Jobs Economic Development Authority Revenue, 6.375%, 8/1/34
             963,699
 
         4,400,000
(f)
BBB/WR
 
Tobacco Settlement Revenue Management, 6.375%, 5/15/30
          5,558,564
 
         
 $     14,523,204
 
             
       
Tennessee - 5.7%
   
 $      5,000,000
 
BBB+/Baa1
Johnson City Health & Educational Facilities Board Hospital Revenue, 6.5%, 7/1/38
 $       5,064,500
 
         1,000,000
 †
NR/A2
 
Johnson City Health & Educational Facilities Board Hospital Revenue, 7.5%, 7/1/33
          1,085,650
 
         7,000,000
 
NR/A1
 
Knox County Health Educational & Housing Facilities Board Hospital Revenue, 6.5%, 4/15/31
          7,245,910
 
         3,000,000
 
BBB+/NR
 
Sullivan County Health Educational and Housing Facilities Board Hospital Revenue, 5.25%, 9/1/36
          2,645,850
 
         
 $     16,041,910
 
       
Texas  - 15.6%
   
         2,400,000
 
BB+/Ba1
 
Central Texas Regional Mobility Authority Revenue, 6.75%, 1/1/41
 $       2,325,240
 
         4,095,000
 
CCC+/Caa2
Dallas-Fort Worth International Airport Facilities Improvement Corp., 9.125%, 5/1/29
          4,021,413
 
         2,827,399
(b)(d)
NR/NR
 
Gulf Coast Industrial Development Authority, 7.0%, 12/1/36
             158,334
 
       10,000,000
 
CCC+/B3
 
Houston Texas Airport System Special Facilities Revenue, 6.75%, 7/1/29
          9,930,100
 
            725,000
 
NR/NR
 
IAH Public Facility Corp., Project Revenue Bonds, Series 2006, 6.0%, 5/1/16
             674,402
 
         1,000,000
 
NR/NR
 
IAH Public Facility Corp., Project Revenue Bonds, Series 2006, 6.0%, 5/1/21
             854,789
 
         1,350,000
 
NR/NR
 
IAH Public Facility Corp., Project Revenue Bonds, Series 2006, 6.125%, 5/1/26
          1,107,378
 
         2,750,000
 
AA+/Aa3
 
Lower Colorado River Authority, 5.0%, 5/15/31
          2,757,535
 
            845,000
 
NR/NR
 
Lubbock Health Facilities Development Corp., 6.5%, 7/1/26
             764,032
 
         2,000,000
 
NR/NR
 
Lubbock Health Facilities Development Corp., 6.625%, 7/1/36
          1,731,080
 
         9,750,000
 
BBB+/A3
 
North Texas Tollway Authority Revenue, 5.75%, 1/1/33
          9,807,720
 
         1,711,000
 
NR/Aaa
 
Panhandle Regional Housing Finance Corp. Multifamily Housing Revenue, 6.6%, 7/20/31
          1,787,875
 
         1,000,000
 
BBB-/Baa2
 
Richardson Hospital Authority Revenue, 6.0%, 12/1/34
             972,990
 
         1,000,000
 
NR/NR
 
Tarrant County Cultural Education Facilities Finance Corp., 8.125%, 11/15/39
             986,550
 
         1,500,000
 
NR/NR
 
Tarrant County Cultural Education Facilities Finance Corp., 8.25%, 11/15/44
          1,485,465
 
         1,000,000
(d)
CC/NR
 
Texas Midwest Public Facility Corp. Revenue, 9.0%, 10/1/30
             706,270
 
         4,700,000
 
NR/Ba1
 
Tomball Hospital Authority, 6.0%, 7/1/25
          4,073,255
 
       
 
 $     44,144,428
 
       
Utah  - 0.5%
   
         1,600,000
 
NR/NR
 
Spanish Fork Charter School Revenue, 5.7%, 11/15/36 (144A)
 $       1,260,096
 
             
       
Virginia  - 0.8%
   
         2,000,000
 
BBB+/Baa1
Washington County Industrial Development Authority Revenue, 7.75%, 7/1/38
 $       2,233,260
 
             
       
Washington - 3.4%
   
         1,140,000
 
BBB/Baa3
 
Tobacco Settlement Authority Revenue, 6.5%, 6/1/26
 $       1,156,028
 
         1,500,000
 
NR/Baa2
 
Washington State Health Care Facilities Authority, 5.5%, 12/1/39
          1,327,740
 
         2,000,000
 
BBB/Baa2
 
Washington State Health Care Facilities Authority, 6.125%, 8/15/37
          1,925,560
 
         2,000,000
 
BBB/Baa2
 
Washington State Health Care Facilities Authority, 6.25%, 8/15/42
          1,941,180
 
         5,000,000
 
NR/NR
 
Washington State Housing Finance Commission Nonprofit Revenue Bonds, 5.625%, 1/1/27
          3,401,350
 
         
 $       9,751,858
 
       
West Virginia  - 0.5%
   
         1,500,000
 
NR/NR
 
West Virginia Hospital Finance Authority Hospital Revenue, 9.125%, 10/1/41
 $       1,530,855
 
             
       
Wisconsin  - 2.1%
   
         2,500,000
 
NR/NR
 
Wisconsin Public Finance Authority Continuing Care Retirement Community Revenue, 8.25%, 6/1/46
 $       2,489,775
 
         1,000,000
 
NR/NR
 
Wisconsin State Health & Educational Facilities Authority Revenue, 6.125%, 4/1/24
             964,520
 
         1,000,000
 
NR/NR
 
Wisconsin State Health & Educational Facilities Authority Revenue, 6.25%, 4/1/34
             919,900
 
         1,500,000
 
A+/A1
 
Wisconsin State Health & Educational Facilities Authority Revenue, 6.625%, 2/15/39
          1,587,555
 
         
 $       5,961,750
 
       
TOTAL TAX-EXEMPT OBLIGATIONS
   
       
(Cost $415,799,849)
 $   417,564,521
 
             
       
MUNICIPAL COLLATERALIZED DEBT OBLIGATION - 2.9% of Net Assets
   
       13,000,000
(c)(d)
NR/NR
 
Non-Profit Preferred Funding Trust I, Series E, 12.0%, 9/15/37 (144A)
 $       8,157,110
 
       
TOTAL MUNICIPAL COLLATERALIZED DEBT OBLIGATION
   
       
(Cost $13,000,000)
 $       8,157,110
 
             
 Shares
     
COMMON STOCK - 0.4% of Net Assets
   
            110,442
(g)
   
Delta Airlines, Inc.
 $       1,012,753
 
       
TOTAL COMMON STOCK
   
       
(Cost $3,210,349)
 $       1,012,753
 
             
 
     
TOTAL INVESTMENTS IN SECURITIES - 150.7%
   
       
(Cost $432,010,198) (h)(i)
 $   426,734,384
 
       
OTHER ASSETS AND LIABILITIES  2.3%
 $       6,481,109
 
       
PREFERRED SHARES AT REDEMPTION VALUE, INCLUDING DIVIDENDS PAYABLE - (53.0)%
 $  (150,002,777)
 
       
NET ASSETS APPLICABLE TO COMMON SHAREOWNERS - 100.0%
 $   283,212,716
 
             
(144A)
 
Security is exempt from registration under Rule 144A of the Securities Act of 1933.  Such securities may be resold normally to qualified
   
institutional buyers in a transaction exempt from registration.  At June 30, 2011, the value of these securities
 
   
amounted to $37,979,417, or 13.4% of total net assets applicable to common shareowners.
   
             
RIB
 
Residual Interest Bonds.
   
             
NR
 
Security not rated by S&P or Moody's.
   
             
WR
 
Withdrawn rating.
   
             
 
Prerefunded 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.
 
             
(a)
 
The interest rate is subject to change periodically and inversely based upon prevailing market rates.  The rate shown is the coupon rate
   
at June 30, 2011.
   
             
(b)
 
Security is in default and is non-income producing.
   
             
(c)
 
The interest rate is subject to change periodically.  The interest rate shown is the rate at June 30, 2011.
 
             
(d)
 
Indicates a security that has been deemed illiquid.  The aggregate cost of illiquid securities is $30,230,377.  The aggregate value is
   
$14,465,294, or 5.1% of the total net assets applied to common shareowners.
   
             
(e)
 
Debt obligation initially issued at one coupon which converts to a higher coupon at a specific date.
 
   
The rate shown is the coupon rate at June 30, 2011.
   
             
(f)
 
Escrow to maturity.
   
             
(g)
 
Non-income producing.
   
             
(h)
 
The concentration of investments by type of obligation/market sector is as follows:
   
     
Insured:
   
       
AGM
8.3
%
       
AMBAC
2.1
 
       
BHAC-CR MBIA
1.6
 
     
Revenue Bonds:
   
       
Health Revenue
33.6
 
       
Tobacco Revenue
10.9
 
       
Development Revenue
10.3
 
       
Airport Revenue
8.8
 
       
Other Revenue
7.4
 
       
Pollution Control Revenue
4.3
 
       
Housing Revenue
2.8
 
       
Education Revenue
2.6
 
       
Transportation Revenue
2.3
 
       
Facilities Revenue
2.2
 
       
Water Revenue
1.9
 
       
Power Revenue
0.5
 
       
Gaming Authority Revenue
0.4
 
       
Utilities Revenue*
0.0
 
         
100.0
%
     
*
Amount is less than 0.1%
   
             
(i)
 
At June 30, 2011 the net unrealized loss on investments based on cost for federal income tax purposes
 
   
of $426,768,587 was as follows:
   
             
   
     Aggregate gross unrealized gain for all investments in which
   
   
     there is an excess of value over tax cost
 $     34,237,643
 
 
 
         
   
     Aggregate gross unrealized loss for all investments in which
   
   
     there is an excess of tax cost over value
       (34,271,846)
 
   
     Net unrealized loss
 $           (34,203)
 
             
 
For financial reporting purposes net unrealized loss on investments was $5,275,814
   
 
and cost of investments aggregated $432,010,198.
   
             
 
Purchases and sales of securities (excluding temporary cash investments) for the period ended June 30, 2011
 
 
aggregated $17,667,683 and $15,560,595, respectively.
   
             
 
Various inputs are used in determining the value of the Trust’s investments.  These inputs are summarized in the three broad levels listed below.
             
 
Highest priority is given to Level 1 inputs and lowest priority is given to Level 3.
   
 
     Level 1 – 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 risk, etc.)
 
     Level 3 – significant unobservable inputs (including the Trust’s own assumptions in determining fair value of investments)
             
 
Generally, equity securities are categorized as Level 1, fixed income securities and senior loans are categorized as Level 2
 
and securities using fair value methods are categorized as Level 3.
   
             
 
The following is a summary of the inputs used as of June 30, 2011, in valuing the Trust’s Investments:
 
 






   
Level 1
   
Level 2
   
Level 3
   
Total
 
                         
Tax exempt obligations
  $ -     $ 417,564,521     $ -     $ 417,564,521  
Municipal collaterized debt obligation
    -       8,157,110       -       8,157,110  
Common stock
    1,012,753       -       -       1,012,753  
Total
  $ 1,012,753     $ 425,721,631     $ -     $ 426,734,384  
                                 

ITEM 2. CONTROLS AND PROCEDURES.

(a) Disclose the conclusions of the registrant's principal executive
and principal financial officers, or persons performing similar functions,
regarding the effectiveness of the registrant's disclosure
controls and procedures (as defined in Rule 30a-3(c) under the Act (17 CFR
270.30a-3(c))) as of a date within 90 days of the filing date of the report
that includes the disclosure required by this paragraph, based on the
evaluation of these controls and procedures required by Rule 30a-3(b)
under the Act (17 CFR 270.30a-3(b))) and Rule 13a-15(b) or 15d-15(b)
under the Exchange Act (17 CFR 240.13a-15(b) or 240.15d-15(b)).

The registrant's principal executive officer and principal financial officer
have concluded that the registrant's disclosure controls and procedures are
effective based on their evaluation of these controls and procedures as of
a date within 90 days of the filing date of this report.

(b) Disclose any change in the registrant's internal controls over financial
reporting (as defined in Rule 30a-3(d) under the Act (17 CFR 270.30a-3(d))
that occurred during the registrant's last fiscal quarter that has materially
affected, or is reasonably likely to materially affect, the registrant's
internal control over financial reporting.

There were no significant changes in the registrant's internal control over
financial reporting that occurred during the second fiscal quarter of the
period covered by this report that have materially affected, or are
reasonably likely to materially affect, the registrant's internal control
over financial reporting.



ITEM 3. EXHIBITS.

(a) A separate certification for each principal executive officer and principal
financial officer of the registrant as required by Rule 30a-2(a) under the Act
(17 CFR 270.30a-2(a)).

Filed herewith.



<PAGE>


                                   SIGNATURES

                          [See General Instruction F]


Pursuant to the requirements of the Securities Exchange Act of 1934 and the
Investment Company Act of 1940, the registrant has duly caused this report to be
signed on its behalf by the undersigned, thereunto duly authorized.


(Registrant) Pioneer Municipal High Income Advantage Trust

By (Signature and Title)* /s/ John F. Cogan, Jr.
John F. Cogan, Jr, President

Date August 29, 2011


Pursuant to the requirements of the Securities Exchange Act of 1934 and the
Investment Company Act of 1940, this report has been signed below by the
following persons on behalf of the registrant and in the capacities and on the
dates indicated.


By (Signature and Title)* /s/ John F. Cogan, Jr.
John F. Cogan, Jr., President

Date August 29, 2011



By (Signature and Title)* /s/ Mark Bradley
Mark Bradley, Treasurer

Date August 29, 2011

* Print the name and title of each signing officer under his or her signature.