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RMM

RiverNorth Managed Duration Municipal Income Fund

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.

New
Increased
Maintained
Reduced
Closed

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: 5550 (-5)

40% less first-time investments, than exits

New positions opened: 6 | Existing positions closed: 10

Holders
50
Holders Change
-5
Holders Change %
-9.09%
% of All Funds
0.62%
Holding in Top 10
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
6
Increased
18
Reduced
14
Closed
10
Calls
Puts
Net Calls
Net Calls Change

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.