RiverNorth Managed Duration Municipal Income Fund
RMM
55 hedge funds and large institutions have $45.5M invested in RiverNorth Managed Duration Municipal Income Fund in 2025 Q4 according to their latest regulatory filings, with 12 funds opening new positions, 24 increasing their positions, 10 reducing their positions, and 6 closing their positions.
140% more repeat investments, than reductions
Existing positions increased: 24 | Existing positions reduced: 10
100% more first-time investments, than exits
New positions opened: 12 | Existing positions closed: 6
12% more funds holding
Funds holding: 49 → 55 (+6)
10% more capital invested
Capital invested by funds: $41.4M → $45.5M (+$4.07M)
2.09% more ownership
Funds ownership: 14.84% → 16.93% (+2.1%)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
RCM
Robinson Capital Management
Grosse Pointe Farms,
Michigan
|
+$3.5M |
| 2 |
AAM
Advisors Asset Management
Monument,
Colorado
|
+$1.73M |
| 3 |
OC
Oppenheimer & Co
New York
|
+$675K |
| 4 |
Rockefeller Capital Management
New York
|
+$661K |
| 5 |
LSC
Logan Stone Capital
Chicago,
Illinois
|
+$545K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Stifel Financial
St. Louis,
Missouri
|
-$1.64M |
| 2 |
Wells Fargo
San Francisco,
California
|
-$1.58M |
| 3 |
UBS Group
Zurich,
Switzerland
|
-$684K |
| 4 |
Truist Financial
Charlotte,
North Carolina
|
-$486K |
| 5 |
AWE
Avidian Wealth Enterprises
Houston,
Texas
|
-$339K |
RMM Hedge Fund Activity: Q4 2025 in Review
55 of the 8,223 institutional investors tracked by Wall St. Rank reported a position in RiverNorth Managed Duration Municipal Income Fund (RMM) for Q4 2025, worth a combined $45.5M — up 9.8% from $41.4M a quarter earlier.
Buyers outnumbered sellers: 12 funds opened new RMM positions and 6 closed out — a net gain of 6 holders — while 24 added to existing stakes and 10 trimmed.
The largest buyer was Robinson Capital Management, adding an estimated $3.5M. The largest seller was Stifel Financial, cutting an estimated $1.64M.
- 55 institutional investors held RiverNorth Managed Duration Municipal Income Fund (RMM) as of Q4 2025, up from 49 in Q3 2025.
- Funds reported $45.5M of RiverNorth Managed Duration Municipal Income Fund stock for Q4 2025, up 9.8% quarter-over-quarter.
- 12 funds opened new RiverNorth Managed Duration Municipal Income Fund positions in Q4 2025 and 6 closed out, a net change of +6 holders.
- The largest RiverNorth Managed Duration Municipal Income Fund buyer in Q4 2025 was Robinson Capital Management, an estimated $3.5M added.
- The largest RiverNorth Managed Duration Municipal Income Fund seller in Q4 2025 was Stifel Financial, an estimated $1.64M sold.
Based on aggregated 13F filings for Q4 2025.