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Pioneer Municipal High Income Opportunities Fund, Inc.

MIODelisted Aug 27, 2025

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.

Key figures

Insider buys
0
Open market, last 90 days
Insider sells
0
Open market, last 90 days
13F holders
31
Q2 2025, −2 vs. previous quarter
13F value
$108.4M
Reported value at the end of Q2 2025
Superinvestors holding
0
At the end of Q2 2025

Superinvestors holding MIO, Q2 2025

Go to the superinvestors tab

No superinvestor reported holding MIO at the end of Q2 2025.

Latest insider trades

Open-market purchases and sales by Pioneer Municipal High Income Opportunities Fund, Inc. insiders from Form 4, newest first.

See all insider trades
Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
May 8, 2025 (view filing)10:06 AM ETMay 71 daySaba Capital Management, L.P. and 1 other10% OwnerPPurchase+1.09K$11.58+$12.6K+0.1%2.16M after
May 1, 2025 (view filing)4:58 PM ETApr 292 daysSaba Capital Management, L.P. and 1 other10% OwnerPPurchase+197$11.51+$2.27K0.0%2.16M after
Apr 24, 2025 (view filing)11:56 AM ETApr 222 daysSaba Capital Management, L.P. and 1 other10% OwnerPPurchase+11.0K$11.29+$123.8K+0.5%2.16M after
Apr 22, 2025 (view filing)9:52 AM ETApr 211 daySaba Capital Management, L.P. and 1 other10% OwnerPPurchase+5.31K$11.24+$59.7K+0.2%2.15M after
Apr 14, 2025 (view filing)12:48 PM ETApr 113 daysSaba Capital Management, L.P. and 1 other10% OwnerPPurchase+27.0K$11.18+$301.7K+1.3%2.14M after
Apr 10, 2025 (view filing)10:46 AM ETApr 82 daysSaba Capital Management, L.P. and 1 other10% OwnerPPurchase+2.46K$11.38+$28.1K+0.1%2.12M after
Apr 8, 2025 (view filing)1:05 PM ETApr 71 daySaba Capital Management, L.P. and 1 other10% OwnerPPurchase+700$11.64+$8.15K0.0%2.11M after
Feb 3, 2025 (view filing)3:03 PM ETJan 313 daysSaba Capital Management, L.P. and 1 other10% OwnerPPurchase+2.83K$12.00+$33.9K+0.1%2.11M after
Jan 29, 2025 (view filing)1:51 PM ETJan 27-282 daysSaba Capital Management, L.P. and 1 other10% OwnerPPurchase+1.11K$11.97+$13.3K+0.1%2.11M after2 lots
Jan 27, 2025 (view filing)12:18 PM ETJan 23-244 daysSaba Capital Management, L.P. and 1 other10% OwnerPPurchase+13.7K$11.92+$162.8K+0.7%2.11M after2 lots

Top 10 13F holders, Q2 2025

The largest institutional positions in Pioneer Municipal High Income Opportunities Fund, Inc. at the end of Q2 2025; share changes are against Q1 2025.

See all 31 holders
Institutions holding MIO in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Sit Investment Associates Inc2,563,916$30.3M0.65%+18,874+0.7%Added
Saba Capital Management, L.P.2,161,352$25.5M0.70%+47,715+2.3%Added
Almitas Capital LLC790,809$9.33M2.35%+575,939+268.0%Added
Rivernorth Capital Management, LLC752,523$8.88M0.49%−823,328−52.2%Reduced
Morgan Stanley586,927$6.93M0.00%−107,555−15.5%Reduced
Karpus Management, Inc.496,367$5.86M0.19%+496,367New
Guggenheim Capital LLC408,896$4.82M0.04%−21,049−4.9%Reduced
Wells Fargo & Company351,191$4.14M0.00%+4,759+1.4%Added
Hennion & Walsh Asset Management, Inc.252,242$2.98M0.12%+119,077+89.4%Added
Pathstone Holdings, LLC137,168$1.62M0.01%−405,148−74.7%Reduced