# EDGAR Filing Document

**Accession Number:** 0001166258
**File Stem:** 0000940400-25-010190
**Filing Date:** 2025-11
**Character Count:** 14054
**Document Hash:** 14cdd487465f290617c50fc1a9d40b4a
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000940400-25-010190.hdr.sgml**: 20251125

**ACCESSION NUMBER**: 0000940400-25-010190

**CONFORMED SUBMISSION TYPE**: NPORT-P

**PUBLIC DOCUMENT COUNT**: 1

**CONFORMED PERIOD OF REPORT**: 20250930

**FILED AS OF DATE**: 20251125

**DATE AS OF CHANGE**: 20251125

**PERIOD START**: 20260331

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** PIONEER HIGH INCOME FUND, INC.
- **CENTRAL INDEX KEY:** 0001166258

**ORGANIZATION NAME:**
- **EIN:** 020563892
- **STATE OF INCORPORATION:** MD
- **FISCAL YEAR END:** 0331

**FILING VALUES:**
- **FORM TYPE:** NPORT-P
- **SEC ACT:** 1940 Act
- **SEC FILE NUMBER:** 811-21043
- **FILM NUMBER:** 251516256

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

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

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** PIONEER HIGH INCOME TRUST
- **DATE OF NAME CHANGE:** 20020129

## 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 High Income Fund, Inc.

- **b. Investment Company Act file number:** 811-21043

- **c. CIK number of Registrant:** 0001166258

- **d. LEI of Registrant:** 5493001GCNPC0XWPCF03

- **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 High Income Fund, Inc.

- **c. LEI of Series:** 5493001GCNPC0XWPCF03

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

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

- **b. Date as of which information is reported:** 2025-09-30

**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:** $249218917.75

**Total Liabilities:** $239020771.90

**Net Assets:** $10198145.85

**Cash Not Reported:** $30000.00

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

**Monthly Return Information**

| Class               | Month 1 Return (%)   | Month 2 Return (%)   | Month 3 Return (%)   |
|:---|:---|:---|:---|
| Class ID C000000000 | 0.78%                | 1.08%                |  |

**Monthly Gains & Losses**

| Period   | Net Realized Gain/Loss   | Net Unrealized Appreciation/Depreciation   |
|:---|:---|:---|
| Month 1  | $155505.72               | $260830.26                                 |
| Month 2  | $7166621.74              | $-5791103.13                               |
| Month 3  | $132650.12               | $252182.15                                 |

**Designated Index Information**

- **Index Name:** ICE BofA US High Yield

- **Index Identifier:** N/A

### 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   |
|:---|:---|:---|:---|:---|:---|:---|---:|:---|:---|:---|:---|:---|:---|:---|---:|:---|
| TRICIDA INC                         | TRICIDA INC                        | CUSIP: 000000000<br>LEI: N/A                  | Long             | DBT              | CORP              | US        |    1300000 | PA      | $0.01         | 0.00%             | 2027-05-15      | Fixed         | 0.00%                 | No            |                  3 | On Loan: No      |
| THOPAS RE 2023                      | THOPAS RE 2023                     | CUSIP: 000000000<br>LEI: N/A                  | Long             | DBT              | CORP              | BM        |    1596147 | PA      | $0.00         | 0.00%             | 2028-12-31      | None          | 0.00%                 | Yes           |                  3 | On Loan: No      |
| THOPAS RE 2024                      | THOPAS RE 2024                     | CUSIP: 000000000<br>LEI: N/A                  | Long             | DBT              | CORP              | BM        |    1596147 | PA      | $7821.12      | 0.08%             | 2029-12-31      | None          | 0.00%                 | Yes           |                  3 | On Loan: No      |
| PETROQUEST ENERGY INC               | PETROQUEST ENERGY INC              | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | US        |       8027 | NS      | $1043.51      | 0.01%             |  |  |  | No            |                  2 | On Loan: No      |
| PAR PHARMACEUTICAL INC              | PAR PHARMACEUTICAL INC             | CUSIP: 698ESCAA8<br>LEI: N/A                  | Long             | DBT              | CORP              | US        |     579000 | PA      | $0.01         | 0.00%             | 2027-04-01      | None          | 0.00%                 | No            |                  3 | On Loan: No      |
| Thopas Re 2022                      | Thopas Re 2022                     | CUSIP: 000000000<br>LEI: N/A                  | Long             | DBT              | CORP              | BM        |    1500000 | PA      | $0.00         | 0.00%             | 2027-12-31      | None          | 0.00%                 | Yes           |                  3 | On Loan: No      |
| TRICIDA INC                         | TRICIDA INC                        | CUSIP: 000000000<br>LEI: N/A                  | Long             | DBT              | CORP              | US        |    1300000 | PA      | $0.01         | 0.00%             | 2027-05-15      | Fixed         | 0.00%                 | No            |                  3 | On Loan: No      |
| Dreyfus Government Cash Management  | Dreyfus Government Cash Management | CUSIP: 262006208<br>LEI: 5493000Q69I5Q3QZIA91 | Long             | STIV             | RF                | US        |  240785470 | NS      | $240785469.79 | 2361.07%          |  |  |  | No            |                  1 | On Loan: No      |
| GULLANE RE 2025                     | GULLANE RE 2025                    | CUSIP: 000000000<br>LEI: N/A                  | Long             | DBT              | CORP              | BM        |    1000000 | PA      | $940000.00    | 9.22%             | 2030-12-31      | None          | 0.00%                 | Yes           |                  3 | On Loan: No      |
| CREDITO REAL SAB DE CV SOFOM ER     | CREDITO REAL SAB DE CV SOFOM ER    | CUSIP: 000000000<br>LEI: N/A                  | Long             | DBT              | CORP              | MX        |     140000 | PA      | $0.00         | 0.00%             | 2028-01-21      | Fixed         | 8.00%                 | No            |                  3 | On Loan: No      |
| BANTRY RE 2025                      | BANTRY RE 2025                     | CUSIP: 000000000<br>LEI: N/A                  | Long             | DBT              | CORP              | BM        |    1000000 | PA      | $1023007.64   | 10.03%            | 2030-12-31      | None          | 0.00%                 | Yes           |                  3 | On Loan: No      |
| SECTOR RE V LTD                     | Sector Re V Ltd                    | CUSIP: 81369AES7<br>LEI: 549300QS6XPZQHTCEJ97 | Long             | DBT              | CORP              | BM        |    1500000 | PA      | $1867800.00   | 18.32%            | 2029-12-01      | None          | 0.00%                 | Yes           |                  3 | On Loan: No      |
| THOPAS RE 2025                      | THOPAS RE 2025                     | CUSIP: 000000000<br>LEI: N/A                  | Long             | DBT              | CORP              | BM        |    1000000 | PA      | $1079700.00   | 10.59%            | 2030-12-31      | None          | 0.00%                 | Yes           |                  3 | On Loan: No      |
| SECTOR RE V LTD                     | Sector Re V Ltd                    | CUSIP: 81369AEN8<br>LEI: 549300QS6XPZQHTCEJ97 | Long             | DBT              | CORP              | BM        |       1290 | PA      | $35400.95     | 0.35%             | 2028-12-01      | None          | 0.00%                 | Yes           |                  3 | On Loan: No      |
| Harambee Re 2018, 12/31/21          | Harambee Re 2018, 12/31/21         | CUSIP: 000000000<br>LEI: N/A                  | Long             | DBT              | CORP              | BM        |     500000 | PA      | $1700.00      | 0.02%             | 2025-12-31      | None          | 0.00%                 | Yes           |                  3 | On Loan: No      |
| CREDITO REAL SAB DE CV SOFOM ER     | CREDITO REAL SAB DE CV SOFOM ER    | CUSIP: 000000000<br>LEI: N/A                  | Long             | DBT              | CORP              | MX        |    1500000 | PA      | $0.00         | 0.00%             | 2026-02-07      | Fixed         | 9.50%                 | No            |                  3 | On Loan: No      |
| Gleneagles Re 2022                  | Gleneagles Re 2022                 | CUSIP: 000000000<br>LEI: N/A                  | Long             | DBT              | CORP              | BM        |     750000 | PA      | $88500.00     | 0.87%             | 2027-12-31      | None          | 0.00%                 | Yes           |                  3 | On Loan: No      |
| State Street Bank and Trust Company | USD/EUR FORWARD                    | CUSIP: 000000000<br>LEI: 571474TGEMMWANRLN572 | N/A              | DFE              | CORP              | US        |          1 | NC      | $11732.61     | 0.12%             |  |  |  | No            |                  2 | On Loan: No      |
| Atento Luxco 1 SA                   | Atento Luxco 1 SA                  | CUSIP: 000000000<br>LEI: 549300MLFF3HYCZQTC48 | Long             | EC               | CORP              | LU        |     251944 | NS      | $0.03         | 0.00%             |  |  |  | No            |                  3 | On Loan: No      |
| EPSOM RE 2025                       | EPSOM RE 2025                      | CUSIP: 000000000<br>LEI: N/A                  | Long             | DBT              | CORP              | BM        |     250000 | PA      | $247209.25    | 2.42%             | 2030-12-31      | None          | 0.00%                 | Yes           |                  3 | On Loan: No      |
| Harambee Re 2019, 12/31/22          | Harambee Re 2019, 12/31/22         | CUSIP: 000000000<br>LEI: N/A                  | Long             | DBT              | CORP              | BM        |     600000 | PA      | $0.00         | 0.00%             | 2025-12-31      | None          | 0.00%                 | Yes           |                  3 | On Loan: No      |
| Grupo Aeromexico SAB de CV          | Grupo Aeromexico SAB de CV         | CUSIP: 000000000<br>LEI: N/A                  | Long             | EC               | CORP              | MX        |      57203 | NS      | $983915.96    | 9.65%             |  |  |  | No            |                  2 | On Loan: No      |
| BERWICK RE 2025                     | BERWICK RE 2025                    | CUSIP: 000000000<br>LEI: N/A                  | Long             | DBT              | CORP              | BM        |    1000000 | PA      | $1020000.00   | 10.00%            | 2030-12-31      | None          | 0.00%                 | Yes           |                  3 | On Loan: No      |
| PT Bakrie & Brothers TBK            | PT Bakrie & Brothers TBK           | CUSIP: 000000000<br>LEI: N/A                  | Long             | DBT              | CORP              | ID        | 1422679000 | PA      | $9390.62      | 0.09%             | 2025-12-31      | None          | 0.00%                 | No            |                  2 | On Loan: No      |
| GOLDMAN SACHS & CO. LLC             | EUR/USD FORWARD                    | CUSIP: 000000000<br>LEI: FOR8UP27PHTHYVLBNG30 | N/A              | DFE              | CORP              | US        |          1 | NC      | $4059.84      | 0.04%             |  |  |  | No            |                  2 | On Loan: No      |
| SECTOR RE V LTD                     | Sector Re V Ltd                    | CUSIP: 81369AEM0<br>LEI: 549300QS6XPZQHTCEJ97 | Long             | DBT              | CORP              | BM        |        645 | PA      | $17700.48     | 0.17%             | 2028-12-01      | None          | 0.00%                 | Yes           |                  3 | On Loan: No      |
| Alturas Re 2022-2, 12/31/2027       | Alturas Re 2022-2, 12/31/2027      | CUSIP: 000000000<br>LEI: N/A                  | Long             | DBT              | CORP              | BM        |      40466 | PA      | $2808.34      | 0.03%             | 2027-12-31      | None          | 0.00%                 | Yes           |                  3 | On Loan: No      |
| RUSSIAN FEDERATION                  | Russian Foreign Bond - Eurobond    | CUSIP: 000000000<br>LEI: 5493004EHVGF71PDBU58 | Long             | DBT              | NUSS              | RU        |     382800 | PA      | $253913.68    | 2.49%             | 2030-03-31      | Variable      | 7.50%                 | Yes           |                  2 | On Loan: No      |

### Signature

**Date Signed:** 2025-11-24

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

**Signature:** Carol Trevino

**Name of Signer:** Carol Trevino

**Title:** Treasurer