Pioneer Municipal High Income Opportunities Fund
MIO
MIO was delisted on the 22nd of August, 2025.
7 hedge funds and large institutions have $22.8M invested in Pioneer Municipal High Income Opportunities Fund in 2021 Q3 according to their latest regulatory filings, with 7 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
RCM
Rivernorth Capital Management
West Palm Beach,
Florida
|
+$7.06M |
| 2 |
Morgan Stanley
New York
|
+$6.93M |
| 3 |
Wells Fargo
San Francisco,
California
|
+$5.17M |
| 4 |
VanEck Associates
New York
|
+$1.63M |
| 5 |
UBS Group
Zurich,
Switzerland
|
+$1.04M |
Top Sellers
MIO Hedge Fund Activity: Q3 2021 in Review
7 of the 5,728 institutional investors tracked by Wall St. Rank reported a position in Pioneer Municipal High Income Opportunities Fund (MIO) for Q3 2021, worth a combined $22.8M.
Buyers outnumbered sellers: 7 funds opened new MIO positions and 0 closed out — a net gain of 7 holders — while 0 added to existing stakes and 0 trimmed.
The largest buyer was Rivernorth Capital Management, opening a new position worth an estimated $7.06M.
- 7 institutional investors held Pioneer Municipal High Income Opportunities Fund (MIO) as of Q3 2021, up from 0 in Q2 2021.
- Funds reported $22.8M of Pioneer Municipal High Income Opportunities Fund stock for Q3 2021.
- 7 funds opened new Pioneer Municipal High Income Opportunities Fund positions in Q3 2021 and 0 closed out, a net change of +7 holders.
- The largest Pioneer Municipal High Income Opportunities Fund buyer in Q3 2021 was Rivernorth Capital Management, an estimated $7.06M added.
Based on aggregated 13F filings for Q3 2021.