Rivernorth Managed Duration Municipal Income Fund Inc.

Rivernorth Managed Duration Municipal Income Fund Inc. is a closed ended fixed income mutual fund launched and managed by RiverNorth Capital Management, LLC. The fund is co-managed by MacKay Shields LLC. It invests in the fixed income markets of the United States. The fund primarily invests in investment grade municipal debt securities. It seeks to invest in securities of any maturity. The fund employs a combination of fundamental and quantitative analysis. It benchmarks the performance of its portfolio against the Bloomberg Barclays Municipal Bond Index. The fund employs proprietary research to create its portfolio. Rivernorth Managed Duration Municipal Income Fund Inc. was formed on July 26, 2019 and is domiciled in the United States.

Rivernorth Managed Duration Municipal Income Fund Inc. trades as RMM on NYSE. The company is classified in Financial Services / Asset Management - Income and reports in USD.

The current profile places the business in Asset Management - Income. This section is intended to summarize the operating segments, products, geographies, and main revenue lines from official filings.

Latest available fiscal data shows -$5.14M of revenue and -$12.86M of net income.

Use this area for management strategy, capital allocation priorities, target markets, and measurable goals from the latest annual report or investor presentation.

The app now provides the structure, but exact strategic claims should come from official company documents before being treated as a finished investment thesis.

Rivernorth Managed Duration Municipal Income Fund Inc. can be compared against peers such as Abrdn Emerging Markets Equity Income Fund Inc, BlackRock Income Trust, Inc., Bank of New York Mellon Corp, BlackRock Municipal Income Quality Trust, Ellsworth Growth and Income Fund Ltd., MFS Charter Income Trust.

A complete thesis should compare growth, margins, balance-sheet risk, valuation multiples, and market position against direct competitors.

Current signals to investigate include market capitalization of $286.62M, beta of 0.76, and return on equity of -4.4%.

This section should be validated with evidence such as durable margins, brand strength, regulation, switching costs, cost advantage, distribution, or technology.

Key risks should include financial leverage, cyclicality, customer concentration, regulatory exposure, currency risk, and execution risk.

RMM currently shows total debt of $186.70M and beta of 0.76. Missing data should be treated as a research gap, not as low risk.

Production-capacity detail is not available as structured data yet. For industrial, defense, semiconductor, or real-estate companies, this should be reviewed from annual reports and investor presentations.

No structured backlog field is available yet. If the company reports backlog, review the relevant filing section before adding it to the thesis.

Use this section for major contracts, product launches, construction projects, acquisitions, or strategic programs that can materially affect valuation.

Recent filings to review: NPORT-P (2026-05-28 00:00:00), N-CSRS (2026-03-06 00:00:00), NPORT-P (2026-02-26 00:00:00), NPORT-P (2025-11-26 00:00:00).

Customer concentration is not available as structured data here. Add it from official filings when a company discloses material customers or revenue concentration.

Supplier concentration and critical supply-chain dependencies are not available as structured data here. This should be researched from annual reports and risk disclosures.

Company website: https://www.rivernorth.com/closed-end-funds/rmm

For US-listed stocks, verify the thesis against official filings, earnings call transcripts, and company investor relations materials.