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, Q4 2021
Institutional positions in Pioneer Municipal High Income Opportunities Fund, Inc. as of Dec 31, 2021. 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
- 23
- +16 vs. Q3 2021
- Shares held
- 3.89M
- +2.77M (+247.1%) vs. Q3 2021
- Total value
- $71.4M
- +$48.6M (+212.6%) vs. Q3 2021
- New holders
- 17
- 4 more added
- Sold out
- 1
- 1 more reduced
Compare with Q3 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, Q4 2021
Shares, value and share of portfolio for each institution holding Pioneer Municipal High Income Opportunities Fund, Inc.; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Rivernorth Capital Management, LLC | 813,625 | $14.9M | 0.60% | +462,336+131.6% | Added |
| Sit Investment Associates Inc | 753,047 | $13.8M | 0.32% | +753,047 | New |
| Morgan Stanley | 672,913 | $12.4M | 0.00% | +327,949+95.1% | Added |
| City of London Investment Management Co Ltd | 571,995 | $10.5M | 0.59% | +571,995 | New |
| Wells Fargo & Company | 189,150 | $3.48M | 0.00% | −67,850−26.4% | Reduced |
| 1607 Capital Partners, LLC | 188,186 | $3.46M | 0.18% | +188,186 | New |
| Karpus Management, Inc. | 144,276 | $2.65M | 0.08% | +144,276 | New |
| Parametric Portfolio Associates LLC | 106,176 | $1.95M | 0.00% | +106,176 | New |
| Robinson Capital Management, LLC | 93,000 | $1.71M | 1.06% | +93,000 | New |
| Van Eck Associates Corp | 92,209 | $1.69M | 0.00% | +11,241+13.9% | Added |
| Mariner Investment Group LLC | 55,065 | $1.01M | 0.43% | +55,065 | New |
| UBS Group AG | 52,403 | $962.0K | 0.00% | +615+1.2% | Added |
| Wolverine Asset Management LLC | 50,892 | $934.0K | 0.01% | +50,892 | New |
| Thomas J. Herzfeld Advisors, Inc. | 29,265 | $538.0K | 0.20% | +29,265 | New |
| Susquehanna International Group, LLP | 24,187 | $444.0K | 0.00% | +24,187 | New |
| Nomura Holdings Inc | 17,900 | $328.0K | 0.00% | +17,900 | New |
| First Trust Advisors LP | 15,364 | $282.0K | 0.00% | +15,364 | New |
| 6 Meridian | 10,964 | $201.0K | 0.01% | +10,964 | New |
| Amundi | 5,000 | $92.0K | 0.00% | +5,000 | New |
| Signaturefd, LLC | 3,000 | $55.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 425 | $8.00K | 0.00% | +425 | New |
| Bessemer Group Inc | 178 | $3.00K | 0.00% | +178 | New |
| Royal Bank of Canada | 83 | $2.00K | 0.00% | +83 | New |
| Millennium Management LLC | 0 | $0 | 0.00% | −31,502−100.0% | Sold out |