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RiverNorth Managed Duration Municipal Income Fund, Inc.

CIK: 0001771226 RMM Fixed Income
Report date: 2026-02-26
AUM $298M
Expense Ratio —
Category Fixed Income
State MD
Fiscal Year End —
Inception Date —
Manager —
Latest Filing 2026-02-26

About this Fund

RiverNorth Managed Duration Municipal Income Fund, Inc. is a leading mutual fund company that specializes in providing investors with a range of investment solutions, focusing on asset management and wealth management services. As a prominent player in the mutual fund industry, the company offers a diverse portfolio of funds that cater to various investor needs, including equity, debt, and hybrid funds, each designed to help investors achieve their long-term financial goals. With a strong emphasis on municipal income funds, RiverNorth Managed Duration Municipal Income Fund, Inc. enables investors to capitalize on the potential benefits of tax-exempt income, while also providing a robust framework for managing interest rate risk. The company's investment approach is centered around a disciplined and research-driven methodology, which seeks to balance risk and return, ensuring that investors' portfolios are optimized to meet their unique needs and objectives. Through its comprehensive suite of mutual funds, RiverNorth Managed Duration Municipal Income Fund, Inc. empowers investors to create a tailored investment portfolio, aligned with their individual risk tolerance, investment horizon, and financial aspirations. The company's funds are designed to accommodate a range of investment strategies, from conservative to aggressive, and offer flexible investment options, including systematic investment plans (SIPs), which enable investors to invest a fixed amount of money at regular intervals, helping to reduce timing risks and promote long-term wealth creation. By focusing on the specific needs of its investors, RiverNorth Managed Duration Municipal Income Fund, Inc. has established itself as a trusted partner in the world of mutual funds, with a reputation for delivering exceptional investment results, outstanding customer service, and a deep commitment to transparency and accountability. The company's key strengths lie in its experienced team of investment professionals, who possess a deep understanding of the markets and a proven track record of successfully navigating complex investment landscapes. RiverNorth Managed Duration Municipal Income Fund, Inc.'s investment team is dedicated to conducting rigorous research and analysis, ensuring that investors' portfolios are always aligned with the latest market trends and opportunities. This, combined with the company's robust risk management framework, provides investors with the confidence to invest for the long term, secure in the knowledge that their assets are being managed by a team of seasoned experts. As a result, RiverNorth Managed Duration Municipal Income Fund, Inc. has earned the trust of a wide range of investors, from individual investors to institutional clients, who appreciate the company's unwavering commitment to helping them achieve their investment objectives and build lasting wealth. With its comprehensive range of mutual funds, expertise in asset management, and dedication to delivering exceptional investment results, RiverNorth Managed Duration Municipal Income Fund, Inc. is an ideal partner for investors seeking to create a diversified investment portfolio and achieve long-term financial success.

Holdings

From latest SEC N-PORT filing · US-listed stocks only

4 positions
# Security Name CUSIP Asset Type Weight % Value ($M) Quantity
1 VPV Invesco Pennsylvania Value Municipal Income Trust Since 2026-05-10 46132K109 Equity (Common)
0.06%
 $0.19 18,297
2 VKQ Invesco Municipal Trust Since 2026-05-10 46131J103 Equity (Common)
3.41%
 $10.16 1,053,149
3 LEO Bny Mellon Strategic Municipals Inc Since 2026-05-10 05588W108 Equity (Common)
0.84%
 $2.50 392,757
4 BTT Blackrock Municipal 2030 Target Term Trust Since 2026-05-10 09257P105 Equity (Common)
3.10%
 $9.24 404,755
Frequently Asked Questions — RiverNorth Managed Duration Municipal Income Fund, Inc.
What type of mutual fund is RiverNorth Managed Duration Municipal Income Fund, Inc.?
RiverNorth Managed Duration Municipal Income Fund, Inc. is a SEC-registered Fixed Income fund, with $298M in assets under management. Fixed Income funds invest in bonds, government securities, and other debt instruments, seeking regular income and capital preservation. They are generally considered lower risk than equity funds but are sensitive to changes in interest rates — when rates rise, bond prices typically fall. Fixed income funds are commonly used by income-oriented investors or as a portfolio stabiliser alongside equities. As of its latest SEC N-PORT filing, RiverNorth Managed Duration Municipal Income Fund, Inc. holds 4 portfolio positions, all detailed in the holdings table on this page.
What are RiverNorth Managed Duration Municipal Income Fund, Inc.'s assets under management (AUM)?
RiverNorth Managed Duration Municipal Income Fund, Inc. has $298M in assets under management (AUM) according to its most recent SEC N-PORT filing on StockSifting. AUM represents the total market value of all securities and other assets held by the fund as of the report date. A larger AUM generally signals a more established fund with greater institutional adoption, more trading liquidity, and potentially lower per-unit operational costs due to economies of scale. AUM changes daily as market prices fluctuate and as investors purchase or redeem fund shares — the figure shown here reflects the most recently available N-PORT disclosure, not the current real-time value. For the live figure, consult the fund's official website or its latest SEC EDGAR filing.
What are RiverNorth Managed Duration Municipal Income Fund, Inc.'s top holdings?
According to RiverNorth Managed Duration Municipal Income Fund, Inc.'s most recent SEC N-PORT filing, the fund's largest holdings by portfolio weight include Invesco Pennsylvania Value Municipal Income Trust, Invesco Municipal Trust, Bny Mellon Strategic Municipals Inc , among others. The complete list of all 4 holdings — including CUSIP, asset type, portfolio weight percentage, dollar value, and share quantity — is available in the holdings table above. Holdings data is sourced directly from SEC EDGAR N-PORT filings and reflects the fund's positions as of the report date shown at the top of this page. Due to the 60-day SEC disclosure lag, these positions may differ from the fund's current portfolio. For the latest holdings before public release, refer to SEC EDGAR directly.
What is RiverNorth Managed Duration Municipal Income Fund, Inc.'s expense ratio?
Expense ratio data for RiverNorth Managed Duration Municipal Income Fund, Inc. is not currently available in StockSifting's database. The expense ratio is the annual fee charged by a mutual fund as a percentage of your investment, covering management fees and operational costs. It is one of the most important factors affecting net long-term returns — lower expense ratios allow more of a fund's gross performance to flow through to investors. For the most accurate and current expense ratio, refer to the fund's official prospectus or its SEC EDGAR filings. You can also contact us if you believe this data should be present.
Where can I find RiverNorth Managed Duration Municipal Income Fund, Inc.'s SEC filings?
RiverNorth Managed Duration Municipal Income Fund, Inc. is required to file monthly portfolio reports (Form N-PORT) with the U.S. Securities and Exchange Commission (SEC). Its SEC Central Index Key (CIK) is 0001771226. You can access all of RiverNorth Managed Duration Municipal Income Fund, Inc.'s SEC filings — including N-PORT holdings disclosures, annual reports (Form N-CEN), and registration statements — directly on SEC EDGAR (CIK: 0001771226). N-PORT filings disclose the fund's complete portfolio holdings, fair value measurements, and certain risk metrics as of each filing period end date. StockSifting automatically parses these filings to populate the holdings table, AUM figures, and expense ratio displayed on this page, making the raw EDGAR data accessible without needing to download and parse XML files manually.
How current is RiverNorth Managed Duration Municipal Income Fund, Inc.'s holdings data on StockSifting?
Holdings data for RiverNorth Managed Duration Municipal Income Fund, Inc. on StockSifting is sourced from its most recent SEC EDGAR N-PORT filing. Under SEC rules, registered investment companies must file N-PORT reports monthly, but these are made publicly available approximately 60 days after the reporting period end date. This means the holdings shown on this page reflect the fund's portfolio from roughly two months prior — not today's exact positions. The Report date displayed at the top of this page indicates exactly when the underlying data was current. If the fund has made significant portfolio changes since that date — responding to market events, earnings releases, or macro shifts — those changes will not be reflected here until the next N-PORT filing is released. For the most up-to-date holdings before the public disclosure window, refer to the fund's official website or SEC EDGAR directly. StockSifting is best used for fundamental research and historical portfolio analysis, not real-time trading decisions.