Pioneer Municipal High Income Opportunities Fund, Inc.
MIODelisted Aug 27, 2025- SEC CIK
- 0001864290
Pioneer Municipal High Income Opportunities Fund, Inc. was delisted on Aug 27, 2025; its insiders filed their last Form 4 on Sep 2, 2025; 31 institutions reported holding it in 13F filings for Q2 2025, worth $108.4M in total; no superinvestor held it.
13F holders, Q1 2022
Institutional positions in Pioneer Municipal High Income Opportunities Fund, Inc. as of Mar 31, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 24
- +2 vs. Q4 2021
- Shares held
- 4.26M
- +385.5K (+9.9%) vs. Q4 2021
- Total value
- $63.4M
- −$7.88M (−11.1%) vs. Q4 2021
- New holders
- 8
- 11 more added
- Sold out
- 6
- 3 more reduced
1 institution that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MIO on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 0 | $0 |
| Q1 2026 | 0 | $0 |
| Q4 2025 | 0 | $0 |
| Q3 2025 | 1 | $12.1K |
| Q2 2025 | 31 | $108.4M |
| Q1 2025 | 34 | $109.3M |
| Q4 2024 | 31 | $109.1M |
| Q3 2024 | 29 | $102.7M |
| Q2 2024 | 32 | $106.4M |
| Q1 2024 | 31 | $84.3M |
| Q4 2023 | 33 | $76.5M |
| Q3 2023 | 29 | $67.8M |
| Q2 2023 | 24 | $70.0M |
| Q1 2023 | 25 | $64.8M |
| Q4 2022 | 26 | $60.4M |
| Q3 2022 | 25 | $49.5M |
| Q2 2022 | 26 | $57.4M |
| Q1 2022 | 24 | $63.4M |
| Q4 2021 | 23 | $71.4M |
| Q3 2021 | 7 | $22.8M |
| Q2 2021 | 0 | $0 |
| Q1 2021 | 0 | $0 |
Institutions, Q1 2022
Shares, value and share of portfolio for each institution holding Pioneer Municipal High Income Opportunities Fund, Inc.; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rivernorth Capital Management, LLC | 949,257 | $14.1M | 0.53% | +135,632+16.7% | Added |
| Sit Investment Associates Inc | 774,299 | $11.5M | 0.31% | +21,252+2.8% | Added |
| City of London Investment Management Co Ltd | 513,121 | $7.56M | 0.48% | −58,874−10.3% | Reduced |
| Morgan Stanley | 460,680 | $6.86M | 0.00% | −212,233−31.5% | Reduced |
| 1607 Capital Partners, LLC | 295,447 | $4.40M | 0.26% | +107,261+57.0% | Added |
| Parametric Portfolio Associates LLC | 291,900 | $4.34M | 0.00% | +185,724+174.9% | Added |
| Karpus Management, Inc. | 261,304 | $3.89M | 0.12% | +117,028+81.1% | Added |
| Wells Fargo & Company | 204,576 | $3.04M | 0.00% | +15,426+8.2% | Added |
| Robinson Capital Management, LLC | 160,355 | $2.37M | 1.63% | +67,355+72.4% | Added |
| Van Eck Associates Corp | 106,586 | $1.59M | 0.00% | +14,377+15.6% | Added |
| Mariner Investment Group LLC | 84,117 | $1.25M | 1.58% | +29,052+52.8% | Added |
| Saba Capital Management, L.P. | 34,341 | $511.0K | 0.01% | +34,341 | New |
| UBS Group AG | 23,731 | $353.0K | 0.00% | −28,672−54.7% | Reduced |
| First Trust Advisors LP | 23,294 | $347.0K | 0.00% | +7,930+51.6% | Added |
| Hightower 6M Holding, LLC | 23,237 | $346.0K | 0.03% | +23,237 | New |
| Ackerman Capital Advisors, LLC | 20,615 | $307.0K | 0.07% | +20,615 | New |
| Bulldog Investors, LLP | 12,377 | $184.0K | 0.05% | +12,377 | New |
| Bank of America Corp | 12,000 | $179.0K | 0.00% | +12,000 | New |
| Amundi | 5,000 | $72.0K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 3,980 | $59.0K | 0.00% | +3,980 | New |
| Signaturefd, LLC | 3,000 | $45.0K | 0.00% | 00.0% | Unchanged |
| Bessemer Group Inc | 365 | $5.00K | 0.00% | +187+105.1% | Added |
| Steward Partners Investment Advisory, LLC | 239 | $4.00K | 0.00% | +239 | New |
| IFP Advisors, Inc | 55 | $1.00K | 0.00% | +55 | New |
| Wolverine Asset Management LLC | 0 | $0 | 0.00% | −50,892−100.0% | Sold out |
| Thomas J. Herzfeld Advisors, Inc. | 0 | $0 | 0.00% | −29,265−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −24,187−100.0% | Sold out |
| Nomura Holdings Inc | 0 | $0 | 0.00% | −17,900−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −425−100.0% | Sold out |
| Royal Bank of Canada | 0 | $0 | 0.00% | −83−100.0% | Sold out |
| 6 Meridian | – | – | – | – | Not filed |