Welcome to our dedicated page for Pioneer Municipal High Income SEC filings (Ticker: MHI), a comprehensive resource for investors and traders seeking official regulatory documents including 10-K annual reports, 10-Q quarterly earnings, 8-K material events, and insider trading forms.
pioneer investments is a leading global asset management company dedicated to growing and preserving client assets. we are present in 28 countries and employ an experienced team of over 2,090 employees worldwide, including nearly 360 investment professionals. our global investment centers in boston, dublin and london, along with an extensive network of local investment and marketing offices, afford us a global perspective as well as in-depth knowledge of local markets. our diverse range of investment products spans both traditional and non-traditional asset classes, including mutual funds, separately managed accounts, institutional strategies and retirement plans. the history of pioneer investments began in 1928, when legendary investor, philip l. carret, founded the pioneer fund, now the third-oldest mutual fund in the united states. over the years pioneer investments has played its part in defining the worldwide mutual fund industry. today, as in the past, we are dedicated to meePioneer Municipal High Income Fund, Inc. (MHI) reporting persons Saba Capital Management, L.P. and Boaz Weinstein disclosed a transaction dated 08/27/2025 in which 4,201,829 shares of Common Stock were surrendered at a price of $8.59 per share under transaction code J(1). The filing shows 0 shares beneficially owned after the reported transaction and lists the nature of ownership as indirect. The form states the reason for the disposition: the fund was liquidated and shares were surrendered in exchange for cash. The form was signed on 09/02/2025 and was filed by more than one reporting person.
Amendment No. 7 to a Schedule 13D/A for Pioneer Municipal High Income Fund, Inc. (ticker MHI) updates Item 5 and reiterates that the filing is being made jointly by Saba Capital Management, L.P., Saba Capital Management GP, LLC and Boaz R. Weinstein. The filing states the reporting persons' business addresses and roles and discloses that approximately $34,167,884 was paid to acquire the Common Shares reported in the statement. The filing also states that the aggregate amount beneficially owned by each reporting person is 0 shares (0%), using a share base of 22,771,349 common shares outstanding as of April 30, 2025. The amendment notes there have been no transactions in the common shares since the Schedule 13D/A filed on February 3, 2025.
Pioneer Municipal High Income Fund, Inc. (MHI) submitted a Form 25 notification to remove its class of securities from listing and/or registration on the New York Stock Exchange LLC. The filing states the Exchange and the issuer have complied with the applicable rules governing withdrawal under 17 CFR 240.12d2-2 and related provisions. The filing includes the issuer's principal office address and telephone number but does not include a completed signature block or a dated signature in the provided content.
Pioneer Municipal High Income Fund reported that Bank of America Corporation and Banc of America Preferred Funding Corp amended their Schedule 13D to disclose the redemption of 500 Variable Rate MuniFund Term Preferred Shares (CUSIP 723763405). The issuer redeemed those shares for their liquidation preference plus accumulated but unpaid dividends, and as a result the reporting persons now own 0 VMTP Shares and ceased to be beneficial owners of more than 5% of the class. The amendment updates identity schedules and exhibits and incorporates the cover pages showing zero voting and dispositive power for the reporting persons.
Bank of America Corporation and its wholly owned subsidiary Banc of America Preferred Funding Corporation (BAPFC) reported the disposition of 500 Variable Rate MuniFund Term Preferred Shares, Series 2021 (VMTP Shares) of Pioneer Municipal High Income Fund, Inc. (MHI). The shares were redeemed by the issuer on 08/18/2025 at the liquidation preference plus accumulated unpaid dividends, leaving 0 shares beneficially owned by the reporting entities. The Form 4 is jointly filed and identifies Bank of America as holding an indirect interest in the securities through its ownership of BAPFC. The filing includes customary non-admission language about group formation under Section 13(d).
Pioneer Municipal High Income Fund, Inc. reporting persons Almitas Capital LLC and Ronald Mass disclose beneficial ownership of 1,244,033 shares, representing 5.2% of the outstanding common stock. Both filers report shared voting and shared dispositive power over these shares and indicate the holdings are held in the ordinary course of business and not for the purpose of changing or influencing control of the issuer. The filing identifies the reporting entities and their place of organization and provides officer signatures certifying the accuracy of the statement.
RiverNorth Capital Management reports beneficial ownership of 1,003,600 shares of Pioneer Municipal High Income Fund, Inc. common stock, representing 4.41% of the class. The filing states RiverNorth has sole voting and sole dispositive power over those shares.
The Schedule 13G/A indicates these holdings are held in the ordinary course of business and were not acquired to change or influence control of the issuer. The filing also notes that other persons have the right to receive proceeds from the sale of the reported securities.
Sit Investment Associates, Inc. (SIA) and its subsidiary Sit Fixed Income Advisors II, LLC (SFI) have jointly filed Amendment No. 1 to Schedule 13G for Pioneer Municipal High Income Fund, Inc. (MHI). As of 31 Jul 2025, the advisers report beneficial ownership of 2,614,270 common shares, equal to 11.5 % of the 22,771,349 shares outstanding.
The stake is held entirely through client accounts; SIA and SFI assert shared voting and dispositive power over the shares and disclaim any direct economic ownership under Rule 13d-4. Both entities are registered investment advisers (Item 3 class “IA”) and certify the holdings were acquired in the ordinary course of business without intent to influence control of the issuer. Paul E. Rasmussen, Vice President, signed on 05 Aug 2025.
No other persons or subsidiaries are identified as part of a group, and there are no disclosures of transactions, sales, or ownership below 5 %.
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