RiverNorth Managed Duration Municipal Income Fund
RMM
50 hedge funds and large institutions have $48.1M invested in RiverNorth Managed Duration Municipal Income Fund in 2026 Q1 according to their latest regulatory filings, with 6 funds opening new positions, 18 increasing their positions, 14 reducing their positions, and 10 closing their positions.
29% more repeat investments, than reductions
Existing positions increased: 18 | Existing positions reduced: 14
6% more capital invested
Capital invested by funds: $45.5M → $48.1M (+$2.6M)
0.85% more ownership
Funds ownership: 16.93% → 17.78% (+0.85%)
9% less funds holding
Funds holding: 55 → 50 (-5)
40% less first-time investments, than exits
New positions opened: 6 | Existing positions closed: 10
Top Buyers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
AWA
Arkadios Wealth Advisors
Atlanta,
Georgia
|
+$1.53M |
| 2 |
GC
Guggenheim Capital
Chicago,
Illinois
|
+$1.5M |
| 3 |
GWP
Gateway Wealth Partners
Appleton,
Wisconsin
|
+$1.04M |
| 4 |
Rockefeller Capital Management
New York
|
+$528K |
| 5 |
RCM
Robinson Capital Management
Grosse Pointe Farms,
Michigan
|
+$516K |
Top Sellers
| Rank | Fund | Capital Flow |
|---|---|---|
| 1 |
Morgan Stanley
New York
|
-$1.27M |
| 2 |
Balyasny Asset Management
Chicago,
Illinois
|
-$622K |
| 3 |
LSC
Logan Stone Capital
Chicago,
Illinois
|
-$531K |
| 4 |
RAM
Readystate Asset Management
Chicago,
Illinois
|
-$368K |
| 5 |
Stifel Financial
St. Louis,
Missouri
|
-$296K |
RMM Hedge Fund Activity: Q1 2026 in Review
50 of the 8,126 institutional investors tracked by Wall St. Rank reported a position in RiverNorth Managed Duration Municipal Income Fund (RMM) for Q1 2026, worth a combined $48.1M — up 5.7% from $45.5M a quarter earlier.
Sellers outnumbered buyers: 10 funds closed out of RMM and 6 opened new positions — a net loss of 4 holders — while 14 trimmed existing stakes and 18 added.
The largest buyer was Arkadios Wealth Advisors, opening a new position worth an estimated $1.53M. The largest seller was Morgan Stanley, cutting an estimated $1.27M.
- 50 institutional investors held RiverNorth Managed Duration Municipal Income Fund (RMM) as of Q1 2026, down from 55 in Q4 2025.
- Funds reported $48.1M of RiverNorth Managed Duration Municipal Income Fund stock for Q1 2026, up 5.7% quarter-over-quarter.
- 6 funds opened new RiverNorth Managed Duration Municipal Income Fund positions in Q1 2026 and 10 closed out, a net change of -4 holders.
- The largest RiverNorth Managed Duration Municipal Income Fund buyer in Q1 2026 was Arkadios Wealth Advisors, an estimated $1.53M added.
- The largest RiverNorth Managed Duration Municipal Income Fund seller in Q1 2026 was Morgan Stanley, an estimated $1.27M sold.
Based on aggregated 13F filings for Q1 2026.