Nuveen Municipal Income Fund Files Monthly Portfolio Report

TL;DR

**Nuveen Municipal Income Fund just dropped its monthly portfolio, confirming its municipal bond holdings as of January 31, 2026.**

AI Summary

The Nuveen Municipal Income Fund Inc. (NMI) filed its NPORT-P report on March 25, 2026, detailing its portfolio investments as of January 31, 2026. This routine monthly filing provides transparency into the fund's holdings, which are primarily municipal bonds, and shows the fund's continued operation under its established structure. For investors, this matters because it confirms the fund's adherence to its investment strategy and allows them to see the most recent snapshot of its underlying assets, ensuring it aligns with their investment goals for tax-exempt income.

Why It Matters

This filing offers a transparent look into the fund's recent holdings, crucial for investors seeking to understand the composition and stability of their tax-exempt income stream.

Risk Assessment

Risk Level: low — This is a routine disclosure filing, not an event that inherently changes the fund's risk profile.

Analyst Insight

A smart investor would review the detailed portfolio holdings within the NPORT-P document (tiaa_NMI.htm) to ensure the fund's current investments align with their personal risk tolerance and investment objectives for tax-exempt income, especially given the January 31, 2026, reporting period.

Key Numbers

• 0000830271 — CIK (Unique identifier for NUVEEN MUNICIPAL INCOME FUND INC)
• 2026-03-25 — Filing Date (Date the NPORT-P report was filed with the SEC)
• 2026-01-31 — Period of Report (The date to which the portfolio investments are reported)
• 811-05488 — File No. (The registration number for the fund under the Investment Company Act of 1940)
• 363566347 — EIN (Employer Identification Number for NUVEEN MUNICIPAL INCOME FUND INC)

Key Players & Entities

• NUVEEN MUNICIPAL INCOME FUND INC (company) — the filer of the NPORT-P report
• 0000830271 (company) — the CIK (Central Index Key) for Nuveen Municipal Income Fund Inc.
• 333 W WACKER DRIVE CHICAGO IL 60606 (company) — the mailing and business address for Nuveen Municipal Income Fund Inc.
• 2026-03-25 (date) — the filing date of the NPORT-P report
• 2026-01-31 (date) — the period of report for the NPORT-P filing

FAQ

Filing Documents

• primary_doc.html (NPORT-P)
• primary_doc.xml (NPORT-P) — 304KB
• tiaa_NMI.htm (NPORT-EX) — 575KB
• 0000830271-26-000006.txt ( ) — 880KB

From the Filing

UNITED STATES SECURITIES AND EXCHANGE COMMISSION WASHINGTON, DC 20549 FORM NPORT-P Monthly Portfolio Investments Report NPORT-P: Filer Information ********   Is this a LIVE or TEST Filing? LIVE TEST Would you like a Return Copy? Is this an electronic copy of an official filing submitted in paper format? Submission Contact Information Name   Phone   E-Mail Address   Notification Information Notify via Filing Website only? Series ID   NPORT-P: Part A: General Information Item A.1. Information about the Registrant. a. Name of Registrant Nuveen Municipal Income Fund, Inc.   b. Investment Company Act file number for Registrant: (e.g., 811-______) 811-05488   c. CIK number of Registrant d. LEI of Registrant 549300B7KLL5KV0GQO76   e. Address and telephone number of Registrant. Street Address 1 333 W. Wacker Dr   Street Address 2   ILLINOIS   Foreign country, if applicable UNITED STATES OF AMERICA   60606   Telephone number 312-917-7700   Item A.2. Information about the Series. a. Name of Series. Nuveen Municipal Income Fund, Inc.   b. EDGAR series identifier (if any).   c. LEI of Series. 549300B7KLL5KV0GQO76   Item A.3. Reporting period. a. Date of fiscal year-end. 2026-10-31   b. Date as of which information is reported. 2026-01-31   Item A.4. Final filing Does the Fund anticipate that this will be its final filing on Form N PORT? Yes No NPORT-P: Part B: Information About the Fund Report the following information for the Fund and its consolidated subsidiaries. Item B.1. Assets and liabilities. Report amounts in U.S. dollars. a. Total assets, including assets attributable to miscellaneous securities reported in Part D. 116792174.00   b. Total liabilities. 543351.00   c. Net assets. 116248823.00   Item B.2. Certain assets and liabilities. Report amounts in U.S. dollars. a. Assets attributable to miscellaneous securities reported in Part D. 0.00000000   b. Assets invested in a Controlled Foreign Corporation for the purpose of investing in certain types of instruments such as, but not limited to, commodities. 0.00000000   c. Borrowings attributable to amounts payable for notes payable, bonds, and similar debt, as reported pursuant to rule 6-04(13)(a) of Regulation S-X [17 CFR 210.6-04(13)(a)]. Amounts payable within one year. Banks or other financial institutions for borrowings. 0.00000000   Controlled companies. 0.00000000   Other affiliates. 0.00000000   Others. 0.00000000   Amounts payable after one year. Banks or other financial institutions for borrowings. 0.00000000   Controlled companies. 0.00000000   Other affiliates. 0.00000000   Others. 0.00000000   d. Payables for investments purchased either (i) on a delayed delivery, when-issued, or other firm commitment basis, or (ii) on a standby commitment basis. (i) On a delayed delivery, when-issued, or other firm commitment basis: 0.00000000   (ii) On a standby commitment basis: 0.00000000   e. Liquidation preference of outstanding preferred stock issued by the Fund. 0.00000000   f. Cash and cash equivalents not reported in Parts C and D. 2253025.00000000   Item B.3. Portfolio level risk metrics. If the average value of the Fund's debt securities positions for the previous three months, in the aggregate, exceeds 25% or more of the Fund's net asset value, provide: Currency Metric: 1 ISO Currency code United States Dollar   a. Interest Rate Risk (DV01). For each currency for which the Fund had a value of 1% or more of the Fund’s net asset value, provide the change in value of the portfolio resulting from a 1 basis point change in interest rates, for each of the following maturities: 3 month, 1 year, 5 years, 10 years, and 30 years. Maturity period. 3 month. -1061.80000000   1 year. -4676.36000000   5 years. -14963.09000000   10 years. -46294.90000000   30 years. -29583.03000000   b. Interest Rate Risk (DV100). For each currency for which the Fund had a value of 1% or more of the Fund’s net asset value, provide the change in value of the portfolio resulting from a 100 basis point change in interest rates, for each of the following maturities: 3 month, 1 year, 5 years, 10 years, and 30 years. Maturity period. 3 month. -29392.72000000   1 year. -427612.91000000   5 years. -1536621.11000000   10 years. -4816715.37000000   30 years. -2039398.36000000   c. Credit Spread Risk (SDV01, CR01 or CS01). Provide the change in value of the portfolio resulting from a 1 basis point change in credit spreads where the shift is applied to the option adjusted spread, aggregated by investment grade and non-investment grade exposures, for each of the following maturities: 3 month, 1 year, 5 years, 10 years, and 30 years. Investment grade. Maturity period. 3 month. -3.20000000   1 year. -351.66000000   5 years. -1311.50000000   10 years. -14156.65000000   30 years. -30198.75000000   Non-Investment grade. Maturity period. 3 month. 0.0

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View this NPORT-P filing on SEC EDGAR