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Compare · MAIN vs RMI

MAIN vs RMI

Side-by-side comparison of Main Street Capital Corporation (MAIN) and RiverNorth Opportunistic Municipal Income Fund Inc. (RMI): market cap, price performance, sector, and recent activity on the wire.

Summary

  • Both MAIN and RMI operate in Finance/Investors Services (Finance), so they compete in similar markets.
  • MAIN is the larger of the two at $4.80B, about 49.1x RMI ($97.6M).
  • Over the past year, MAIN is down 10.2% and RMI is up 5.4% - RMI leads by 15.7 points.
  • MAIN has hit the wire 10 times in the past 4 weeks while RMI has been quiet.
  • MAIN has more recent analyst coverage (12 ratings vs 0 for RMI).
PerformanceMAIN-10.22%RMI+5.44%
2025-06-03+0.00%2026-06-03
MetricMAINRMI
Company
Main Street Capital Corporation
RiverNorth Opportunistic Municipal Income Fund Inc.
Price
$50.70-1.70%
$15.30-0.39%
Market cap
$4.80B
$97.6M
1M return
-9.11%
+2.07%
1Y return
-10.22%
+5.44%
Industry
Finance/Investors Services
Finance/Investors Services
Exchange
NYSE
NYSE
IPO
2007
2018
News (4w)
10
0
Recent ratings
12
0
MAIN

Main Street Capital Corporation

Main Street Capital Corporation is a private equity firm specializes in equity capital to lower middle market companies. The firm also provides debt capital to middle market companies for acquisitions, management buyouts, growth financings, recapitalizations and refinancing. The firm seeks to partner with entrepreneurs, business owners and management teams and generally provides "one stop" financing alternatives within its lower middle market portfolio. The firm typically invests in lower middle market companies generally with annual revenues between $10 million and $150 million. The firm's middle market debt investments are made in businesses that are generally larger in size than its lower middle market portfolio companies. It makes majority and minority equity investments. Main Street Capital Corporation was founded in 2007 and is based in Houston, Texas.

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