RiverNorth Managed Duration Municipal Income Fund
RMM
51 hedge funds and large institutions have $41.6M 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, 15 reducing their positions, and 10 closing their positions.
0% more funds holding
Funds holding: 51 → 51 (0)
0% more first-time investments, than exits
New positions opened: 10 | Existing positions closed: 10
0% more repeat investments, than reductions
Existing positions increased: 15 | Existing positions reduced: 15
4.59% less ownership
Funds ownership: 19.5% → 14.92% (-4.6%)
75% less capital inflows, than outflows
Capital inflows: $4.12M | Capital outflows: $16.5M
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Samalin Investment Counsel
Chappaqua,
New York
|
+$808K |
| 2 |
WWMSC
Wagner Wealth Management (South Carolina)
Greenville,
South Carolina
|
+$679K |
| 3 |
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 |
Stratos Wealth Partners
Beachwood,
Ohio
|
-$5M |
| 2 |
Robinson Capital Management
Grosse Pointe Farms,
Michigan
|
-$3.85M |
| 3 |
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
51 of the 7,653 institutional investors tracked by Wall St. Rank reported a position in RiverNorth Managed Duration Municipal Income Fund (RMM) for Q3 2025, worth a combined $41.6M — down 19% from $51.6M 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 15 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.
- 51 institutional investors held RiverNorth Managed Duration Municipal Income Fund (RMM) as of Q3 2025, unchanged from Q2 2025.
- Funds reported $41.6M 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.