Pioneer Municipal High Income Fund, Inc.
MHIDelisted Aug 27, 2025- SEC CIK
- 0001223026
Pioneer Municipal High Income Fund, Inc. was delisted on Aug 27, 2025; its insiders filed their last Form 4 on Sep 2, 2025; 57 institutions reported holding it in 13F filings for Q2 2025, worth $128.8M in total; no superinvestor held it.
Holders of 5% or more of MHI
Holders whose latest Schedule 13D or 13G filing reports 5% or more of Pioneer Municipal High Income Fund, Inc., largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Sit Investment Associates Inc | 13G/A | 11.50%2.61M shares | – | Aug 5, 20251 filing | Aug 5, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
11 Schedule 13D and 13G filings on Pioneer Municipal High Income Fund, Inc., newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Nov 14, 20259:47 PM ET | Almitas Capital LLC | 13G | 0.00%0 shares | −5.20 ppfrom 5.20%Below 5% | Sep 30, 2025 | SEC |
| Sep 2, 20256:05 AM ET | Saba Capital Management, L.P.and 2 others | 13D/A | 0.00%0 shares | −18.15 ppfrom 18.15%Below 5% | Aug 27, 2025 | SEC |
| Aug 20, 20257:38 PM ET | Bank of America Corpand 1 other | 13D/A | 0.00%0 shares | –Below 5% | Aug 18, 2025 | SEC |
| Aug 15, 202510:10 AM ET | Almitas Capital LLCand 1 other | 13G | 5.20%1.24M shares | New | Jun 30, 2025 | SEC |
| Aug 14, 20253:21 PM ET | Rivernorth Capital Management, LLC | 13G/A | 4.41%1.00M shares | −3.95 ppfrom 8.36%Below 5% | Jun 30, 2025 | SEC |
| Aug 5, 202511:34 AM ET | Sit Investment Associates Incand 1 other | 13G/A | 11.50%2.61M shares | – | Jul 31, 2025 | SEC |
| May 15, 202510:18 AM ET | Rivernorth Capital Management, LLC | 13G/A | 8.36%1.90M shares | +1.15 ppfrom 7.21% | Mar 31, 2025 | SEC |
| Feb 14, 202512:08 PM ET | Rivernorth Capital Management, LLC | 13G/A | 7.21%1.64M shares | – | Dec 31, 2024 | SEC |
| Feb 4, 202510:44 AM ET | Saba Capital Management, L.P.and 2 others | 13D/A | 18.15%4.13M shares | 0.00 ppfrom 18.15% | Jan 31, 2025 | SEC |
| Jan 28, 20254:27 PM ET | Saba Capital Management, L.P.and 2 others | 13D/A | 18.15%4.13M shares | +0.20 ppfrom 17.95% | Jan 24, 2025 | SEC |
| Dec 30, 20249:51 PM ET | Saba Capital Management, L.P.and 2 others | 13D/A | 17.95%4.09M shares | – | Dec 27, 2024 | SEC |
| Apr 23, 2021 | Wells Fargo & Company | 13D/AOld format | – | – | – | SEC |
| Feb 18, 202111:55 AM ET | Wells Fargo & Company | 13D/AOld format | – | – | – | SEC |
| Jan 29, 202110:57 AM ET | First Trust Portfolios LP | 13G/AOld format | – | – | – | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell Pioneer Municipal High Income Fund, Inc. shares.
No Form 144 notices for Pioneer Municipal High Income Fund, Inc. are on file.