What is RMM's market cap?

$244.38M, based on the Sep 28 close of $12.38.

Does RiverNorth Managed Duration Municipal Income Fund pay a dividend?

Yes. The latest regular dividend was $0.0847 per share (ex-date Sep 15), an annualised yield of 8.21%.

How much of RMM is sold short?

65.9K shares, 0.3% of float, as of Sep 15, 2026.

NYSE · RMM

RiverNorth Managed Duration Municipal Income Fund, Inc. (RMM)

$12.38−2.67%

Close Sep 28, 2026 · split-adjusted

Sep 28, 2026$12.38▼ 11.95% in range

Sep 29, 2025Low $12.38 · High $14.97Sep 28, 2026

What changed · written from our data

As of Sep 28, 2026

RiverNorth Managed Duration Municipal Income Fund closed at $12.38 on Sep 28, down 2.67%, within 0.0% of its 52-week closing low. Volume of 250.6K shares was 3.89× its 20-day average (well above normal).

Split-adjusted performance: -12.8% over one month, -7.7% over six months, -11.5% over one year.

Short interest was 65.9K shares at the Sep 15 settlement, down 9.8% from the prior report (0.3% of float, 1.5 days to cover).

Market cap$244.4M19.7M shares

Revenue · quarter——

Diluted EPS——

P/E · TTM—

Net margin—

Dividend yield8.21%$0.0847 last paid

52-week range12.38 – 14.97−17.3% from high

Volume250.6K3.89× 20-day avg

Volatility · 60d11.6%Annualised

Short % of float0.3%1.5 days to cover

Net cash—

Next earnings—Not scheduled

Split-adjusted performance

1W −6.9%1M −12.8%3M −16.2%6M −7.7%YTD −9.0%1Y −11.5%3Y −16.2%5Y −40.4%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within industry

Not enough peers to rank

6-month momentum—

Revenue growth—

Net margin—

Value (low P/E)—

Size—

Short interest

Details →

Shares short65.9K−9.8% vs prior

Days to cover1.5Settled Sep 15

% of float0.3%

Short vol. 10d34.4%of daily volume

News about RiverNorth Managed Duration Municipal Income Fund

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Quick answers

What does RiverNorth Managed Duration Municipal Income Fund do?: RiverNorth Managed Duration Muni Inc Fd is a United States based diversified, closed-end management investment company. Its primary investment objective is current income exempt from regular U.S.
What is RMM's market cap?: $244.38M, based on the Sep 28 close of $12.38.
Does RiverNorth Managed Duration Municipal Income Fund pay a dividend?: Yes. The latest regular dividend was $0.0847 per share (ex-date Sep 15), an annualised yield of 8.21%.
How much of RMM is sold short?: 65.9K shares, 0.3% of float, as of Sep 15, 2026.

About RiverNorth Managed Duration Municipal Income Fund

RiverNorth Managed Duration Muni Inc Fd is a United States based diversified, closed-end management investment company. Its primary investment objective is current income exempt from regular U.S. federal income taxes. The Fund's secondary investment objective is total return.

rivernorth.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology