Pioneer Municipal High Income Fund
Pioneer Municipal High Income Fund, Inc. is a company, not a closed-end fund. We still track it - notices about it are below - but most of this site is about funds.
Is anyone targeting this fund?
Yes - 2 large investors hold a stake, but none of them has asked for changes.
- Sit Investment owns 11.5% as a passive investor. On file since Feb 13, 2024.
- Almitas owns 0% as a passive investor. On file since Aug 15, 2025.
What this means for you
One or more large investors own more than 5% of this company but have told the regulator they are not seeking changes. That is common for banks, brokers and index funds that hold shares for their clients.
Nothing is required of you. If an investor changes its mind, it must file a new notice within days, and it will show up here.
What happened, and when
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Nov 14, 2025
Almitas cut its stake to 0% (from 5.2%), as a passive investor.
Original document → -
Sept 2, 2025
Saba sold down below 5% and stopped reporting.
Original document → -
Aug 15, 2025
Almitas now owns 5.2%, as a passive investor.
Original document → -
Aug 14, 2025
RiverNorth sold down below 5% and stopped reporting.
Original document → -
Aug 5, 2025
Sit Investment raised its stake to 11.5% (from 6%), as a passive investor.
Original document →
Show all 16 events
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May 15, 2025
RiverNorth raised its stake to 8.4% (from 7.2%), as a passive investor.
Original document → -
Feb 14, 2025
RiverNorth raised its stake to 7.2% (from 6.1%), as a passive investor.
Original document → -
Feb 4, 2025
Saba filed an updated notice; it still owns 18.2%. It has said it may push for changes.
Original document → -
Jan 28, 2025
Saba raised its stake to 18.2% (from 18%). It has said it may push for changes.
Original document → -
Dec 30, 2024
Saba raised its stake to 18% (from 16.9%). It has said it may push for changes.
Original document → -
Nov 26, 2024
Saba raised its stake to 16.9% (from 15.8%). It has said it may push for changes.
Original document → -
Nov 14, 2024
RiverNorth now owns 6.1%, as a passive investor.
Original document → -
Aug 21, 2024
Saba raised its stake to 15.8% (from 14.9%). It has said it may push for changes.
Original document → -
April 1, 2024
Saba raised its stake to 14.9% (from 14.1%). It has said it may push for changes.
Original document → -
Feb 13, 2024
Sit Investment now owns 6%, as a passive investor.
Original document → -
Jan 5, 2024
Saba now owns 14.1%. It has said it may push for changes.
Original document →
Details: all notices, events and fund facts
| Date | Investor | Stake | Type of notice |
|---|---|---|---|
| Nov 14, 2025 | Almitas | 0% | Passive investor |
| Sept 2, 2025 | Saba | 0% | Sold down below 5% |
| Aug 15, 2025 | Almitas | 5.2% | Passive investor |
| Aug 14, 2025 | RiverNorth | 4.4% | Sold down below 5% |
| Aug 5, 2025 | Sit Investment | 11.5% | Updated notice |
| May 15, 2025 | RiverNorth | 8.4% | Updated notice |
| Feb 14, 2025 | RiverNorth | 7.2% | Updated notice |
| Feb 4, 2025 | Saba | 18.2% | Updated notice |
| Jan 28, 2025 | Saba | 18.2% | Updated notice |
| Dec 30, 2024 | Saba | 18% | Updated notice |
| Nov 26, 2024 | Saba | 16.9% | Updated notice |
| Nov 14, 2024 | RiverNorth | 6.1% | Passive investor |
| Aug 21, 2024 | Saba | 15.8% | Updated notice |
| April 1, 2024 | Saba | 14.9% | Updated notice |
| Feb 13, 2024 | Sit Investment | 6% | Passive investor |
| Jan 5, 2024 | Saba | 14.1% | May push for changes |
No announcements from the fund on file.
- Run by
- not filed yet
- Fund family
- not filed yet
- Exchange
- not listed
Email me when something new is filed for Pioneer Municipal High Income Fund
Free. One email per notice or announcement, usually within a day. No password.