# EDGAR Filing Document

**Accession Number:** 0001258943
**File Stem:** 0000940400-26-007878
**Filing Date:** 2026-2
**Character Count:** 15648
**Document Hash:** 413c0c9b8ef9b0c8a67f515fcb7b84b8
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000940400-26-007878.hdr.sgml**: 20260225

**ACCESSION NUMBER**: 0000940400-26-007878

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20251231

**FILED AS OF DATE**: 20260225

**DATE AS OF CHANGE**: 20260225

**PERIOD START**: 20260331

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PIONEER MUNICIPAL HIGH INCOME ADVANTAGE FUND, INC.
- **CENTRAL INDEX KEY:** 0001258943

**ORGANIZATION NAME:**
- **EIN:** 810634319
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 0331

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-21409
- **FILM NUMBER:** 26676897

**BUSINESS ADDRESS:**
- **STREET 1:** 60 STATE STREET
- **STREET 2:** 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109
- **BUSINESS PHONE:** 617-742-7825

**MAIL ADDRESS:**
- **STREET 1:** 60 STATE STREET
- **STREET 2:** 5TH FLOOR
- **CITY:** BOSTON
- **STATE:** MA
- **ZIP:** 02109

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PIONEER MUNICIPAL HIGH INCOME ADVANTAGE TRUST
- **DATE OF NAME CHANGE:** 20030926

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PIONEER MUNICIPAL ADVANTAGE TRUST
- **DATE OF NAME CHANGE:** 20030807

## Nport-Ex

## Pioneer Municipal High Income Advantage Fund, Inc.
Schedule of Investments \| December 31, 2025

Stockholders of Pioneer Municipal High Income Advantage Fund, Inc. (the "Fund") approved the liquidation of the Fund pursuant to a Plan of Liquidation and Dissolution at a meeting of stockholders held on July 17, 2025. Since that date, the Fund has been operating under the Plan of Liquidation and Dissolution and is in the process of winding up its business and affairs, paying its liabilities and distributing its remaining assets to stockholders. Accordingly, the Fund no longer pursues its stated investment objective, complies with its investment limitations or engages in normal business activities. Prior to the opening of business on August 25, 2025, the Fund ceased trading on the New York Stock Exchange (NYSE). The Fund's NYSE ticker symbol was MAV.

------

### Schedule of Investments \| 12/31/25\*
(unaudited)

---

| | | |
|:---|:---|:---|
| &nbsp;&nbsp;**Principal<br> Amount<br> USD ($)** |  | **Value** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**UNAFFILIATED ISSUERS — 86.0%** |  |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Municipal Bonds — 86.0% of Net Assets** |  |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Michigan — 15.9%** |  |
| 1,910,000+ | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;David Ellis Academy-West, 5.25%, 6/1/45 | $1382078 |
| 202,500+ | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Michigan Public Educational Facilities Authority, Crescent Academy, 7.00%, 10/1/36 | &nbsp;&nbsp; 182378 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Michigan** | **$1564456** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Pennsylvania — 10.9%** |  |
| 500,000+ | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Philadelphia Authority for Industrial Development, 5.50%, 6/1/49 (144A) | $414399 |
| 1,000,000+ | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Philadelphia Authority for Industrial Development, Global Leadership Academy Charter School Project, Series A, 5.00%, 11/15/50 | &nbsp;&nbsp; 663725 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Pennsylvania** | **$1078124** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Rhode Island — 4.8%** |  |
| 1,355,000(a)+ | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Central Falls Detention Facility Corp., 7.25%, 7/15/35 | $475605 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Rhode Island** | &nbsp;&nbsp;&nbsp; **$475605** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Texas — 54.4%** |  |
| 490,000+ | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Arlington Higher Education Finance Corp., LTTS Charter School, Universal Academy, 5.45%, 3/1/49 (144A) | $380972 |
| 1,000,000+ | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Arlington Higher Education Finance Corp., Universal Academy, Series A, 7.00%, 3/1/34 | &nbsp;&nbsp; 900747 |
| 1,500,000+ | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Arlington Higher Education Finance Corp., Universal Academy, Series A, 7.125%, 3/1/44 | &nbsp;&nbsp;1349881 |
| 5,000,000(a)(b)+ | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Greater Texas Cultural Education Facilities Finance Corp., 9.00%, 2/1/50 (144A) | &nbsp;&nbsp;2745000 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Texas** | **$5376600** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**Total Municipal Bonds<br> (Cost $12,941,663)** | **$8494785** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**TOTAL INVESTMENTS IN UNAFFILIATED ISSUERS — 86.0%<br> (Cost $12,941,663)** | **$8494785** |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**OTHER ASSETS AND LIABILITIES — 14.0%** | $1385950 |
|  | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;**net assets — 100.0%** | **$9880735** |

---

1Pioneer Municipal High Income Advantage Fund, Inc. \| 12/31/25

------

(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, 2025, the value
of these securities amounted to $3,540,371, or 35.8% of net assets.

---

| | |
|:---|:---|
| (a) | &nbsp;&nbsp;Security is in default. |
| (b) | &nbsp;&nbsp;The interest rate is subject to change periodically. The interest rate and/or reference index and spread shown at December 31, 2025. |
| \* | &nbsp;&nbsp;The Fund is in the process of liquidating its assets pursuant to the Plan of Liquidation and Dissolution approved by stockholders at a meeting held on July 17, 2025. Information shown in the Schedule of Investments reflects remaining investments held by the Fund at December 31, 2025. |
| + | &nbsp;&nbsp;Security is valued using significant unobservable inputs (Level 3). |

---

Various inputs are used in determining the value of the Fund's investments. These inputs are summarized in the three broad levels below.

---

| |
|:---|
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Level 1 – unadjusted quoted prices in active markets for identical securities. |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Level 2 – other significant observable inputs (including quoted prices for similar securities, interest rates, prepayment speeds, credit risks, etc.). |
| &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;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, 2025 in valuing the Fund's investments:

---

| | | | | |
|:---|:---|:---|:---|:---|
|  | **Level 1** | &nbsp;&nbsp;**Level 2** | &nbsp;&nbsp;**Level 3** | &nbsp;&nbsp;**Total** |
| Municipal Bonds | $— | &nbsp;&nbsp;$— | &nbsp;&nbsp;$8494785 | &nbsp;&nbsp;$8494785 |
| **Total Investments in Securities** | **$—** | &nbsp;&nbsp;**$—** | &nbsp;&nbsp;**$8494785** | &nbsp;&nbsp;**$8494785** |

---

Pioneer Municipal High Income Advantage Fund, Inc. \| 12/31/252

------

(unaudited) (continued)

The following is a reconciliation of assets valued using significant unobservable inputs (Level 3):

---

| | |
|:---|:---|
|  | **Municipal Bonds** |
| Balance as of 3/31/25 | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;$— |
| Realized gain (loss) | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;— |
| Changed in unrealized appreciation (depreciation) | &nbsp;&nbsp;(1326620) |
| Amortization Premium/Discount | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;639 |
| Purchases | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;— |
| Sales | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(47500) |
| Transfers in to Level 3\* | &nbsp;&nbsp;&nbsp;9868266 |
| Transfers out of Level 3\* | &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;— |
| **Balance as of 12/31/25** | **$8494785** |

---

---

| | | |
|:---|:---|:---|
| \* | &nbsp;&nbsp;Transfers are calculated on the beginning of period values. During the period ended December 31, 2025, securities valued at $9,868,266 were transferred from Level 2 to Level 3, due to valuing the securities using unobservable inputs. There were no other transfers between Levels 1, 2 and 3. | &nbsp;&nbsp;Transfers are calculated on the beginning of period values. During the period ended December 31, 2025, securities valued at $9,868,266 were transferred from Level 2 to Level 3, due to valuing the securities using unobservable inputs. There were no other transfers between Levels 1, 2 and 3. |
| Net change in unrealized appreciation (depreciation) of Level 3 investments still held and considered Level 3 at December 31, 2025: | Net change in unrealized appreciation (depreciation) of Level 3 investments still held and considered Level 3 at December 31, 2025: | &nbsp;&nbsp;$(1326620) |

---

3Pioneer Municipal High Income Advantage Fund, Inc. \| 12/31/25

## Form NPORT-P: Monthly Portfolio Investments Report

### NPORT-P: Part A: General Information

**Item A.1. Information about the Registrant.**

- **a. Name of Registrant:** Pioneer Municipal High Income Advantage Fund, Inc.

- **b. Investment Company Act file number:** 811-21409

- **c. CIK number of Registrant:** 0001258943

- **d. LEI of Registrant:** 549300XEJODK1I7Q2U66

- **e. Address and telephone number of Registrant.**

  - **Street Address 1:** 60 State Street

  - **City:** Boston

  - **State:** MA

  - **Foreign country:** US

  - **Zip / Postal Code:** 02109

  - **Telephone number:** 617-422-4947

**Item A.2. Information about the Series.**

- **a. Name of Series:** Pioneer Municipal High Income Advantage Fund, Inc.

- **c. LEI of Series:** 549300XEJODK1I7Q2U66

**Item A.3. Reporting period.**

- **a. Date of fiscal year-end:** 2026-03-31

- **b. Date as of which information is reported:** 2025-12-31

**Item A.4. Final filing**

Does the Fund anticipate that this will be its final filing on Form N-PORT? **No**

### Fund Information

**Total Assets:** $10008240.70

**Total Liabilities:** $127505.28

**Net Assets:** $9880735.42

**Cash Not Reported:** $1424041.48

**Currency Risk Metrics (dv01):**

- 

**Credit Spread Risk - Investment Grade (dv01):**

- **3-Month:** 0.00000000 | **1-Year:** 0.00000000 | **5-Year:** 0.00000000 | **10-Year:** 0.00000000 | **30-Year:** 0.00000000

**Credit Spread Risk - Non-Investment Grade (dv01):**

- **3-Month:** -2.00000000 | **1-Year:** 0.00000000 | **5-Year:** -86.00000000 | **10-Year:** 0.00000000 | **30-Year:** -2705.00000000

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000000000 |  |  |  |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $-32954.28               | $-31714.50                                 |
| Month 2  | $0.00                    | $-1301652.81                               |
| Month 3  | $0.00                    | $7687.73                                   |

### Schedule of Portfolio Investments

| Name                           | Title                                                    | Identifiers                                   | Payoff Profile   | Asset Category   | Issuer Category   | Country   |   Balance | Units   | Value (USD)   | % of Net Assets   | Maturity Date   | Coupon Type   | Annualized Rate (%)   | Restricted?   |   Fair Value Level | Lending Status   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| CENTRL FALLS RI DETENTION FAC  | Central Falls Detention Facility Corp                    | CUSIP: 153457AX4<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1355000 | PA      | $475605.00    | 4.81%             | 2035-07-15      | Fixed         | 7.25%                 | No            |                  3 | On Loan: No      |
| GREATER TEXAS CULTURAL EDU FAC | Greater Texas Cultural Education Facilities Finance Corp | CUSIP: 39237QBH7<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   5000000 | PA      | $2745000.00   | 27.78%            | 2050-02-01      | Variable      | 9.00%                 | No            |                  3 | On Loan: No      |
| MICHIGAN ST PUBLIC EDUCTNL FAC | Michigan Public Educational Facilities Authority         | CUSIP: 594569CX1<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    202500 | PA      | $182377.87    | 1.85%             | 2036-10-01      | Fixed         | 7.00%                 | No            |                  3 | On Loan: No      |
| ARLINGTON TX HGR EDU FIN CORP  | Arlington Higher Education Finance Corp                  | CUSIP: 041806AN0<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1500000 | PA      | $1349880.53   | 13.66%            | 2044-03-01      | Fixed         | 7.12%                 | No            |                  3 | On Loan: No      |
| PHILADELPHIA PA AUTH FOR INDL  | Philadelphia Authority for Industrial Development        | CUSIP: 71780CAC4<br>LEI: 549300DIY68KQZEW7M79 | Long             | DBT              | MUN               | US        |    500000 | PA      | $414399.56    | 4.19%             | 2049-06-01      | Fixed         | 5.50%                 | No            |                  3 | On Loan: No      |
| ARLINGTON TX HGR EDU FIN CORP  | Arlington Higher Education Finance Corp                  | CUSIP: 041806AM2<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1000000 | PA      | $900747.18    | 9.12%             | 2034-03-01      | Fixed         | 7.00%                 | No            |                  3 | On Loan: No      |
| ARLINGTON TX HGR EDU FIN CORP  | Arlington Higher Education Finance Corp                  | CUSIP: 041806XD7<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |    490000 | PA      | $380972.18    | 3.86%             | 2049-03-01      | Fixed         | 5.45%                 | No            |                  3 | On Loan: No      |
| DAVID ELLIS ACADEMY WEST MI    | David Ellis Academy-West                                 | CUSIP: 238560AA4<br>LEI: N/A                  | Long             | DBT              | MUN               | US        |   1910000 | PA      | $1382078.06   | 13.99%            | 2045-06-01      | Fixed         | 5.25%                 | No            |                  3 | On Loan: No      |
| PHILADELPHIA PA AUTH FOR INDL  | Philadelphia Authority for Industrial Development        | CUSIP: 71780CAM2<br>LEI: 549300DIY68KQZEW7M79 | Long             | DBT              | MUN               | US        |   1000000 | PA      | $663724.98    | 6.72%             | 2050-11-15      | Fixed         | 5.00%                 | No            |                  3 | On Loan: No      |

### Signature

**Date Signed:** 2026-02-24

**Name of Applicant:** Pioneer Municipal High Income Advantage Fund, Inc.

**Signature:** Carol Trevino

**Name of Signer:** Carol Trevino

**Title:** Treasurer