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RiverNorth Managed Duration Municipal Income Fund, Inc.

RMM
Exchange
NYSE
SEC CIK
0001771226

No open-market purchases or sales by RiverNorth Managed Duration Municipal Income Fund, Inc. insiders were filed in the last 90 days; 53 institutions reported holding it in 13F filings for Q2 2026, worth $55.9M in total; no superinvestor holds it.

Q3 2025 vs. Q2 2025

How the institutions holding RiverNorth Managed Duration Municipal Income Fund, Inc. changed between Q2 2025 and Q3 2025.

All holders in Q3 2025All holders in Q2 2025

13F holders of RMM: Q2 2025 compared with Q3 2025
MeasureQ2 2025Q3 2025Change
Holders51510
Shares3.81M2.93M−883.7K (−23.2%)
Value$51.1M$41.4M−$9.71M (−19.0%)

New holders (10)

Institutions that held RiverNorth Managed Duration Municipal Income Fund, Inc. at the end of Q3 2025 but not at the end of Q2 2025.

Institutions new to RMM in Q3 2025
InstitutionSharesValue% of portfolio
Samalin Investment Counsel, LLC58,744$830.6K0.29%
Gateway Wealth Partners, LLC40,035$566.1K0.08%
Jane Street Group, LLC31,044$439.0K0.00%
Abel Hall, LLC20,000$282.8K0.11%
Cetera Investment Advisers10,707$151.4K0.00%
Noble Wealth Management PBC6,828$96.5K0.05%
EverSource Wealth Advisors, LLC5,000$70.7K0.00%
Advisory Services Network, LLC4,420$62.5K0.00%
US Bancorp1,000$14.1K0.00%
Highline Wealth Partners LLC450$6.36K0.00%

Sold out (10)

Institutions that held RiverNorth Managed Duration Municipal Income Fund, Inc. at the end of Q2 2025 and filed for Q3 2025 without it.

Institutions that sold out of RMM in Q3 2025
InstitutionShares, Q2 2025Value, Q2 2025
Logan Stone Capital, LLC108,654$1.46M
Oppenheimer & Co Inc38,406$515.0K
Wolverine Asset Management LLC30,549$409.7K
Bank of America Corp21,076$282.6K
Landscape Capital Management, L.L.C.20,437$274.1K
Pensionmark Financial Group, LLC20,000$268.2K
Cantor Fitzgerald, L. P.19,393$260.1K
HRT Financial LP13,859$185.0K
Readystate Asset Management LP12,888$172.8K
Atala Financial Inc11,003$147.6K