RiverNorth Managed Duration Municipal Income Fund
RMM
49 hedge funds and large institutions have $41.4M invested in RiverNorth Managed Duration Municipal Income Fund in 2025 Q3 according to their latest regulatory filings, with 10 funds opening new positions, 15 increasing their positions, 13 reducing their positions, and 10 closing their positions.
15% more repeat investments, than reductions
Existing positions increased: 15 | Existing positions reduced: 13
0% more funds holding
Funds holding: 49 → 49 (0)
0% more first-time investments, than exits
New positions opened: 10 | Existing positions closed: 10
4.48% less ownership
Funds ownership: 19.32% → 14.84% (-4.5%)
19% less capital invested
Capital invested by funds: $51.1M → $41.4M (-$9.71M)
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SIC
Samalin Investment Counsel
Chappaqua,
New York
|
+$808K |
| 2 |
WWMSC
Wagner Wealth Management (South Carolina)
Greenville,
South Carolina
|
+$679K |
| 3 |
GWP
Gateway Wealth Partners
Appleton,
Wisconsin
|
+$551K |
| 4 |
Jane Street
New York
|
+$427K |
| 5 |
Rockefeller Capital Management
New York
|
+$376K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
SWP
Stratos Wealth Partners
Beachwood,
Ohio
|
-$5M |
| 2 |
RCM
Robinson Capital Management
Grosse Pointe Farms,
Michigan
|
-$3.85M |
| 3 |
LSC
Logan Stone Capital
Chicago,
Illinois
|
-$1.46M |
| 4 |
UBS Group
Zurich,
Switzerland
|
-$1.28M |
| 5 |
Stifel Financial
St. Louis,
Missouri
|
-$928K |
RMM Hedge Fund Activity: Q3 2025 in Review
49 of the 7,621 institutional investors tracked by Wall St. Rank reported a position in RiverNorth Managed Duration Municipal Income Fund (RMM) for Q3 2025, worth a combined $41.4M — down 19% from $51.1M a quarter earlier.
Fund positioning in RMM was balanced in Q3 2025: 10 funds opened new positions, 10 closed out, 15 added to existing stakes and 13 trimmed.
The largest buyer was Samalin Investment Counsel, opening a new position worth an estimated $808K. The largest seller was Stratos Wealth Partners, cutting an estimated $5M.
- 49 institutional investors held RiverNorth Managed Duration Municipal Income Fund (RMM) as of Q3 2025, unchanged from Q2 2025.
- Funds reported $41.4M of RiverNorth Managed Duration Municipal Income Fund stock for Q3 2025, down 19% quarter-over-quarter.
- 10 funds opened new RiverNorth Managed Duration Municipal Income Fund positions in Q3 2025 and 10 closed out, a net change of 0 holders.
- The largest RiverNorth Managed Duration Municipal Income Fund buyer in Q3 2025 was Samalin Investment Counsel, an estimated $808K added.
- The largest RiverNorth Managed Duration Municipal Income Fund seller in Q3 2025 was Stratos Wealth Partners, an estimated $5M sold.
Based on aggregated 13F filings for Q3 2025.