RMM (RiverNorth Managed Duration Muni Fd) Net Margin %: 99.72% (As of Dec. 2025) — Near Median


RMM RiverNorth Managed Duration Muni Inc Fd RMM
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What is RiverNorth Managed Duration Muni Fd Net Margin %?

RiverNorth Managed Duration Muni Fd RMM +0.14% 30 Net Margin % is 99.72% as of Dec. 2025, which is 0% below its 10-year median of 99.94. GuruFocus rates RMM with a GF Score™ of 30/100. The stock has 3 warning signs investors should review. Among 1,580 Asset Management companies, RiverNorth Managed Duration Muni Fd ranks worse than 53.48% on this metric.

Net margin is calculated as Net Income divided by its Revenue. RiverNorth Managed Duration Muni Fd's Net Income for the six months ended in Dec. 2025 was $18.53 Mil. RiverNorth Managed Duration Muni Fd's Revenue for the six months ended in Dec. 2025 was $18.58 Mil. Therefore, RiverNorth Managed Duration Muni Fd's net margin for the quarter that ended in Dec. 2025 was 99.72%.

The historical rank and industry rank for RiverNorth Managed Duration Muni Fd's Net Margin % or its related term are showing as below:

RMM' s Net Margin % Range Over the Past 10 Years
Min: 79.75   Med: 99.94   Max: 101.93
Current: 79.75


RMM's Net Margin % is ranked worse than
53.48% of 1580 companies
in the Asset Management industry
Industry Median: 84.895 vs RMM: 79.75

RiverNorth Managed Duration Muni Fd  (NYSE:RMM) Net Margin % Explanation

Although Net Income and Earnings-per-Share (EPS) are the most widely used parameter in measuring a company's profitability and valuation, it is the least reliable. The reason is that reported earnings can be manipulated easily by adjusting any numbers such as Depreciation, Depletion and Amotorization and non-recurring items.

But the long term trend of the net margin is a good indicator of the competitiveness and health of the business.


RiverNorth Managed Duration Muni Fd Net Margin % Related Terms


RiverNorth Managed Duration Muni Fd Net Margin % Historical Data

* Premium members only.

The historical data trend for RiverNorth Managed Duration Muni Fd's Net Margin % can be seen below:

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

RiverNorth Managed Duration Muni Fd Net Margin % Chart

RiverNorth Managed Duration Muni Fd Annual Data
Trend Jun20 Jun21 Jun22 Jun23 Jun24 Jun25
Net Margin %
Get a 7-Day Free Trial 99.94 100.08 99.60 99.34 101.93

RiverNorth Managed Duration Muni Fd Semi-Annual Data
Jun20 Dec20 Jun21 Dec21 Jun22 Dec22 Jun23 Dec23 Jun24 Dec24 Jun25 Dec25
Net Margin % Get a 7-Day Free Trial Premium Member Only Premium Member Only Premium Member Only Premium Member Only 99.69 99.05 98.81 101.07 99.72

RMM vs MMD, PMO, KWY: Net Margin % Comparison

For the Asset Management subindustry, RiverNorth Managed Duration Muni Fd's Net Margin %, along with its competitors' market caps and Net Margin % data, can be viewed below:

* Competitive companies are chosen from companies within the same industry, with headquarter located in same country, with closest market capitalization; x-axis shows the market cap, and y-axis shows the term value; the bigger the dot, the larger the market cap. Note that "N/A" values will not show up in the chart.


RiverNorth Managed Duration Muni Fd Net Margin % vs Asset Management Industry

For the Asset Management industry and Financial Services sector, RiverNorth Managed Duration Muni Fd's Net Margin % distribution charts can be found below:

* The bar in red indicates where RiverNorth Managed Duration Muni Fd's Net Margin % falls into.


RMM
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RiverNorth Managed Duration Muni Inc Fd RMM
Net Margin % is just one metric. See GF Score™, valuation, warning signs, and more.
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RiverNorth Managed Duration Muni Fd Net Margin % Calculation

Net margin - also known as net profit margin is the ratio of Net Income divided by net sales or Revenue, usually presented in percent.

RiverNorth Managed Duration Muni Fd's Net Margin for the fiscal year that ended in Jun. 2025 is calculated as

Net Margin=Net Income (A: Jun. 2025 )/Revenue (A: Jun. 2025 )
=-12.858/-12.614
=101.93 %

RiverNorth Managed Duration Muni Fd's Net Margin for the quarter that ended in Dec. 2025 is calculated as

Net Margin=Net Income (Q: Dec. 2025 )/Revenue (Q: Dec. 2025 )
=18.531/18.583
=99.72 %

* For Operating Data section: All numbers are indicated by the unit behind each term and all currency related amount are in USD.
* For other sections: All numbers are in millions except for per share data, ratio, and percentage. All currency related amount are indicated in the company's associated stock exchange currency.

Frequently Asked Questions Learn more about Net Margin % →
What does a Net Margin % of 99.72% mean?
RiverNorth Managed Duration Muni Fd (RMM) has a Net Margin % of 99.72% as of Dec. 2025. Net margin is the ratio of total net income to net sales. View historical data on RiverNorth Managed Duration Muni Fd and its competitors. This is near median its historical median of 99.94. Over the past decade, RiverNorth Managed Duration Muni Fd's Net Margin % has ranged from 79.75 to 101.93. According to the industry distribution chart, RiverNorth Managed Duration Muni Fd ranks #845 out of 1580 companies in the Asset Management industry, placing it in the top 53.5%.
Is RiverNorth Managed Duration Muni Fd's Net Margin % too high?
RiverNorth Managed Duration Muni Fd's current Net Margin % of 99.72% is near median its 10-year median of 99.94. Over the past 10 years, this metric has ranged from a low of 79.75 to a high of 101.93. The Asset Management industry median Net Margin % is 84.90. RiverNorth Managed Duration Muni Fd's value of 99.72% is 17.5% above this industry median. Based on the distribution chart, RiverNorth Managed Duration Muni Fd ranks #845 out of 1580 companies in the Asset Management industry, which is below the industry midpoint. Overall, RiverNorth Managed Duration Muni Fd has a GF Score™ of 30/100, reflecting its overall financial health beyond just this single metric.
How does RiverNorth Managed Duration Muni Fd's Net Margin % compare to MMD and PMO?
According to the Asset Management industry distribution chart, RiverNorth Managed Duration Muni Fd ranks #845 out of 1580 companies for Net Margin %. This places RiverNorth Managed Duration Muni Fd in the lower half of its industry. The industry median Net Margin % is 84.90. RiverNorth Managed Duration Muni Fd's value of 99.72% is 17.5% above this benchmark. Historically, RiverNorth Managed Duration Muni Fd's own Net Margin % has ranged from 79.75 to 101.93 over the past decade. While the company's 10-year median is 99.94 vs. the industry median of 84.90, RiverNorth Managed Duration Muni Fd has consistently been above the industry average. See the competitive comparison table and distribution chart on this page for a detailed peer-by-peer breakdown.
What is a good Net Margin % for an Asset Management company?
The median Net Margin % among Asset Management companies is 84.90, based on 1,580 companies in the industry. Companies in the top quartile (top 25%) have a Net Margin % significantly above this median, while those in the bottom quartile fall well below. However, Net Margin % should not be evaluated in isolation — investors should consider it alongside profitability, growth, and financial strength metrics. RiverNorth Managed Duration Muni Fd's current Net Margin % of 99.72% is 17.5% above the industry median. Use the industry distribution chart on this page to see where any company falls relative to its peers.
What does a high Net Margin % mean?
A high Net Margin % can signal that a stock is expensive relative to its fundamentals. Net margin is the ratio of total net income to net sales. View historical data on RiverNorth Managed Duration Muni Fd and its competitors. For the Asset Management industry, the median Net Margin % is 84.90 — values significantly above this may indicate overvaluation, while values below may suggest a bargain or underlying issues. RiverNorth Managed Duration Muni Fd's current Net Margin % is 99.72%, which is near median its own 10-year median of 99.94. However, context matters — high-growth companies often justify higher valuations. Always evaluate alongside other metrics like GF Score™ and GF Value™.
Is RiverNorth Managed Duration Muni Fd stock overvalued right now?
RiverNorth Managed Duration Muni Fd (RMM) has a current Net Margin % of 99.72%. The current Net Margin % is 99.72%, which is near median its 10-year median of 99.94 and 17.5% above the Asset Management industry median of 84.90. RiverNorth Managed Duration Muni Fd's overall GF Score™ is 30/100 with 3 warning signs to review. Investors should evaluate multiple metrics — including profitability, growth, and financial strength — before making a decision.
How is Net Margin % calculated?
Net Margin % is calculated from a company's financial statements. For RiverNorth Managed Duration Muni Fd (RMM), the current Net Margin % is 99.72% as of Dec. 2025. GuruFocus calculates this using data sourced from SEC filings and annual reports. See the calculation section and 30-year financial data on this page for the full breakdown.

RiverNorth Managed Duration Muni Fd Business Description

Address 360 South Rosemary Avenue, Suite 1420, West Palm Beach, FL, USA, 33401
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.
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