Rivernorth Managed Duration Municipal Income Fund Inc. (RMM) Stock Analysis
For informational purposes only. Not financial advice. Analysis by Sedat ANAK, Founder & Editor-in-Chief | AI-powered analysis. Data sourced from SEC filings and institutional-grade financial providers. Editorially reviewed. Not financial advice.
Rivernorth Managed Duration Municipal Income Fund Inc. (RMM) trades at $14.34 with AI Score 51/100 (Grade B). Rivernorth Managed Duration Municipal Income Fund Inc. is a closed-end fund specializing in U. S. Market cap: $283M, Sector: Financial services.
Price as of Aug 21, 2026 · Last analyzed: Mar 15, 2026Analyst Coverage for RMM: RMM does not currently have published analyst price targets in our coverage universe. This is common for smaller-cap names with limited Wall Street coverage. In the absence of analyst consensus, our AI model evaluates RMM against Financial Services peers across nine fundamental dimensions and assigns a mixed fundamental profile based on the underlying data.
RMM: 1/3 scored disciplines lean bearish. Dominant signal: Ray Dalio bullish.
How is this calculated? →Why this analysis is different
- A 9-signal quantitative MoonshotScore built from filings, insider activity, and market data — computed from the numbers, not from opinion.
- An AI Council read across up to eight perspectives — value, macro, quantitative, and momentum lenses — that shows where they disagree instead of averaging the tension away.
- Figures come straight from FMP and Yahoo Finance filings data. The AI writes the narrative around the numbers — it never edits the numbers.
Rivernorth Managed Duration Municipal Income Fund Inc. (RMM) Financial Services Profile
Rivernorth Managed Duration Municipal Income Fund Inc. (RMM) is a closed-end fund focused on generating income through investment-grade municipal debt securities in the U.S. fixed income market. Managed by RiverNorth Capital Management and co-managed by MacKay Shields LLC, RMM employs fundamental and quantitative analysis to navigate the municipal bond landscape.
What Is the Investment Thesis for RMM?
Rivernorth Managed Duration Municipal Income Fund Inc. presents a focused investment in the U.S. municipal bond market. The fund's strategy of investing primarily in investment-grade municipal debt securities offers a relatively stable income stream. However, the absence of a dividend yield may deter some income-seeking investors. The fund's success hinges on the expertise of RiverNorth Capital Management and MacKay Shields LLC in navigating the complexities of the municipal bond market. Key value drivers include effective asset allocation, rigorous credit analysis, and the ability to capitalize on market inefficiencies. The fund's performance is closely tied to interest rate movements and credit spreads within the municipal bond sector. Investors should monitor the fund's ability to generate returns in a potentially volatile interest rate environment.
Based on FMP financials and quantitative analysis
RMM Key Highlights
Rivernorth Managed Duration Municipal Income Fund Inc. was formed on July 26, 2019, providing a relatively short track record for performance evaluation.
- The fund is co-managed by MacKay Shields LLC, bringing additional expertise in fixed income investing.
- The fund primarily invests in investment-grade municipal debt securities, indicating a focus on lower-risk assets within the fixed income market.
- The fund benchmarks its performance against the Bloomberg Barclays Municipal Bond Index, offering a clear reference point for evaluating its relative performance.
- The fund employs proprietary research to create its portfolio, suggesting a differentiated approach to security selection.
Who Are RMM's Competitors?
RMM is benchmarked below against 8 industry peers on price, market cap, and our AI MoonshotScore.
| Company | Price | Change | Market Cap | AI Score |
|---|---|---|---|---|
| JGH Nuveen Global High Income Fund | $12.33 | -0.96% | $286M | 56 |
| BYM BlackRock Municipal Income Quality Trust | $11.05 | -0.04% | $286M | 59 |
| NCZ Virtus Convertible & Income Fund II | $15.55 | -0.32% | $296M | 64 |
| HDRVX Janus Henderson International Dividend Fund Class N | $21.45 | -0.28% | $312M | 54 |
| FINS Angel Oak Financial Strategies Income Term Trust | $12.55 | -0.48% | $314M | 60 |
| RCS PIMCO Strategic Income Fund, Inc. | $5.28 | +0.00% | $249M | 80 |
| MCR MFS Charter Income Trust | $5.94 | -0.67% | $248M | 58 |
| NXG NXG NextGen Infrastructure Income Fund | $58.19 | -3.67% | $329M | 56 |
AI Score by Stock Expert AI · Price data: FMP / Yahoo Finance
What Are RMM's Key Strengths?
Focus on investment-grade municipal debt securities.
- Co-management by MacKay Shields LLC.
- Proprietary research capabilities.
- Established benchmark against the Bloomberg Barclays Municipal Bond Index.
What Are RMM's Weaknesses?
Relatively short track record since inception in 2019.
- Absence of a dividend yield may deter some investors.
- Dependence on the expertise of RiverNorth Capital Management and MacKay Shields LLC.
- Sensitivity to interest rate movements and credit spreads.
What Are the Key Risks for RMM?
Negative return on equity (-4.2%) — the business is not currently generating profit on shareholder capital.
- Rising interest rates could negatively impact the value of municipal bonds in the fund's portfolio.
- Credit downgrades of municipal issuers could lead to losses for the fund.
- Changes in tax laws could affect the attractiveness of municipal bonds.
- Increased competition from other fixed income funds could put pressure on the fund's performance.
- Economic downturns could lead to decreased tax revenues for municipal issuers, increasing credit risk.
What Are the Growth Opportunities for RMM?
- Expansion into New Municipal Bond Sectors: Rivernorth Managed Duration Municipal Income Fund Inc. could explore opportunities in niche segments of the municipal bond market, such as healthcare or education bonds. These sectors may offer higher yields or diversification benefits compared to traditional municipal bonds. The market size for these specialized segments is estimated to be substantial, with ongoing demand for infrastructure and social projects. Timeline: 2-3 years, requiring specialized expertise and due diligence capabilities.
- Increased Focus on ESG Investing: Incorporating environmental, social, and governance (ESG) factors into the investment process could attract socially responsible investors and enhance the fund's long-term sustainability. The demand for ESG-focused investments is growing rapidly, with significant assets flowing into sustainable funds. Timeline: 1-2 years, requiring the development of ESG screening criteria and reporting frameworks.
- Strategic Partnerships with Institutional Investors: Collaborating with institutional investors, such as pension funds or endowments, could provide access to additional capital and expand the fund's reach. Institutional investors often seek specialized fixed income strategies to diversify their portfolios and generate stable income. Timeline: 2-3 years, requiring the establishment of strong relationships and tailored investment solutions.
- Development of Innovative Investment Products: Creating new investment products, such as tax-advantaged municipal bond funds or customized portfolios, could cater to specific investor needs and preferences. Innovation in product development can differentiate the fund from its competitors and attract new clients. Timeline: 1-2 years, requiring market research and product development expertise.
- Leveraging Technology for Enhanced Portfolio Management: Implementing advanced analytics and technology solutions could improve portfolio optimization, risk management, and trading efficiency. Technology can enable fund managers to make more informed investment decisions and enhance overall performance. Timeline: Ongoing, requiring investment in technology infrastructure and data analytics capabilities.
What Are RMM's Competitive Advantages?
- Expertise in municipal bond investing.
- Proprietary research capabilities.
- Established relationships with institutional investors.
- Co-management by MacKay Shields LLC.
What Does RMM Do?
Rivernorth Managed Duration Municipal Income Fund Inc., established on July 26, 2019, is a closed-end fixed income mutual fund domiciled in the United States. The fund is managed by RiverNorth Capital Management, LLC, with co-management from MacKay Shields LLC. RMM focuses on investing in the U.S. fixed income markets, with a primary emphasis on investment-grade municipal debt securities. The fund's investment strategy involves a combination of fundamental and quantitative analysis to identify opportunities within the municipal bond market. It seeks to invest in securities of any maturity, allowing for flexibility in portfolio construction. The fund benchmarks its performance against the Bloomberg Barclays Municipal Bond Index, reflecting its focus on the broader municipal bond market. RMM utilizes proprietary research to construct its portfolio, aiming to deliver consistent income to its investors through strategic asset allocation and active management within the municipal bond sector.
What Products and Services Does RMM Offer?
- Invests in the U.S. fixed income markets.
- Focuses primarily on investment-grade municipal debt securities.
- Employs a combination of fundamental and quantitative analysis.
- Benchmarks performance against the Bloomberg Barclays Municipal Bond Index.
- Utilizes proprietary research to create its portfolio.
- Seeks to generate income for investors through strategic asset allocation.
How Does RMM Make Money?
- Generates revenue through investment management fees.
- Invests in municipal bonds to generate income.
- Manages a portfolio of fixed income securities.
- Distributes income to investors.
What Industry Does RMM Operate In?
Rivernorth Managed Duration Municipal Income Fund Inc. operates within the asset management industry, specifically focusing on fixed income and municipal bonds. The municipal bond market is influenced by factors such as interest rates, credit quality, and economic conditions. The competitive landscape includes other closed-end funds and fixed income managers offering similar strategies. The fund's success depends on its ability to generate attractive risk-adjusted returns compared to its peers and the broader municipal bond market. The asset management industry is subject to regulatory oversight and market volatility, requiring fund managers to navigate these challenges effectively.
Who Are RMM's Key Customers?
- Individual investors seeking income.
- Institutional investors looking for fixed income exposure.
- Wealth management firms seeking investment solutions for their clients.
RMM Valuation & Market Position
With a $283M market cap, Rivernorth Managed Duration Municipal Income Fund Inc. sits in the micro-cap segment of the market. Relative to its peer group, RMM's quantitative score of 51/100 is roughly in line with the peer average of 59/100.
Key Financial Metrics
Return on equity for Rivernorth Managed Duration Municipal Income Fund Inc. stands at -4.2%, a gauge of how efficiently it converts shareholder capital into profit. Return on assets is -2.7%, showing how much profit it generates from its asset base. Its free cash flow yield is 12.9%, a gauge of the cash the business throws off relative to its market value. A current ratio of 3.37 indicates the company holds enough short-term assets to cover its near-term obligations. Its earnings yield is -4.5%, the inverse of the P/E and a quick read on earnings relative to price.
RMM Financials
Bull Case vs Bear Case
Bull Case
- Focus on investment-grade municipal debt securities.
- Co-management by MacKay Shields LLC.
- Proprietary research capabilities.
- Established benchmark against the Bloomberg Barclays Municipal Bond Index.
Bear Case
- Relatively short track record since inception in 2019.
- Absence of a dividend yield may deter some investors.
- Dependence on the expertise of RiverNorth Capital Management and MacKay Shields LLC.
- Sensitivity to interest rate movements and credit spreads.
AI-generated arguments based on insider flow, news sentiment and technicals — not financial advice · August 2026
Recent Quarterly Results
| Quarter | Revenue | Net Income | EPS |
|---|---|---|---|
| Q4 2025 | $5M | $19M | $0.94 |
Based on FMP financials and quantitative analysis
RMM Latest News
No recent news available for RMM.
RMM Analyst Consensus
Consensus Rating
Aggregated Buy/Hold/Sell recommendations from Benzinga, Yahoo Finance, and Finnhub for RMM.
Price Targets
Wall Street price target analysis for RMM.
RMM MoonshotScore
What does this score mean?
The MoonshotScore rates RMM 0-100 on quantitative fundamentals — growth, financial health, valuation, momentum, and risk.
Leadership: Stephen Andrew O'Neill
CEO
Stephen Andrew O'Neill serves as the CEO of Rivernorth Managed Duration Municipal Income Fund Inc. While detailed biographical information is not available in the provided context, it can be inferred that he possesses significant experience in the financial services industry, particularly in asset management and fixed income investing. His role likely involves overseeing the fund's investment strategy, risk management, and overall operations. He is responsible for guiding the fund's direction and ensuring its alignment with its investment objectives.
Track Record: Due to the limited information provided, Stephen Andrew O'Neill's specific achievements and strategic decisions as CEO of Rivernorth Managed Duration Municipal Income Fund Inc. cannot be detailed. However, his leadership is crucial in navigating the complexities of the municipal bond market and delivering consistent returns to investors. His ability to effectively manage the fund's portfolio and adapt to changing market conditions is essential for its long-term success.
Common Questions About RMM (Financial Services)
What does the AI Score mean for RMM?
RMM holds an AI Score of 51/100 (Grade: B). This is an educational research signal, not a buy or sell recommendation. Rivernorth Managed Duration Municipal Income Fund Inc. is a closed-end fund specializing in U.S. fixed income markets, primarily focusing on investment-grade municipal debt. The fund aims …
What does Rivernorth Managed Duration Municipal Income Fund Inc. do?
Rivernorth Managed Duration Municipal Income Fund Inc. is a closed-end fund that specializes in investing in the U.S. fixed income market, with a primary focus on investment-grade municipal debt securities. The fund aims to generate income for its investors by strategically allocating assets across various maturities within the municipal bond sector.
What are the main risks for RMM?
The primary risks for Rivernorth Managed Duration Municipal Income Fund Inc. include interest rate risk, credit risk, and market risk. Rising interest rates could negatively impact the value of the fund's municipal bond holdings. Credit downgrades of municipal issuers could lead to losses for the fund. Market volatility and economic downturns could also affect the fund's performance.
What are the key factors to evaluate for RMM?
Rivernorth Managed Duration Municipal Income Fund Inc. (RMM) holds an AI score of 51/100 (moderate). presents a focused investment in the U.S. Not financial advice.
How frequently does RMM data refresh on this page?
RMM's price was last updated on Aug 21, 2026 and refreshes on page view during U.S. market hours — it is not a real-time exchange feed. Fundamentals update after quarterly filings; the MoonshotScore recalculates nightly; news aggregates continuously.
What has driven RMM's recent stock price performance?
Rivernorth Managed Duration Municipal Income Fund Inc. (RMM) moves on earnings results, analyst revisions, sector rotation, and market sentiment. Notable catalyst: Focus on investment-grade municipal debt securities. See the News tab for the latest drivers. Past performance does not predict future results.
Should investors consider RMM overvalued or undervalued right now?
Rivernorth Managed Duration Municipal Income Fund Inc. (RMM) has no trailing P/E available here, so lean on price-to-sales and cash flow in the Financials tab. Compare P/E, P/S, and EV/EBITDA against sector peers for a full view.
How do I research RMM before investing?
Before investing in Rivernorth Managed Duration Municipal Income Fund Inc. (RMM), research these four areas: (1) the company's revenue model and competitive position (see Company Overview), (2) financial health through revenue growth, margins, and cash flow (see MoonshotScore), (3) analyst consensus ratings and price targets (see Analyst tab), and (4) specific risk factors that could impact the stock (see Risk Factors section).
Why might investors consider adding RMM to a portfolio?
Key strength of Rivernorth Managed Duration Municipal Income Fund Inc. (RMM): Focus on investment-grade municipal debt securities. Weigh rewards against risks and diversify. Not financial advice.
Disclaimer: This content is for informational purposes only and does not constitute investment advice. Always do your own research and consult a financial advisor.
Official Resources
Data provided for informational purposes only.
- AI analysis is pending for RMM, limiting the depth of available insights.
- The absence of a dividend yield may impact investor preferences.
- The fund's performance is subject to market volatility and economic conditions.