Main Street Capital Corporation (MAIN)

NYSE: MAIN · Real-Time Price · USD

65.17

-1.81 (-2.70%)

At close: Sep 15, 2025, 4:00 PM EDT

65.40

+0.23 (0.35%)

After-hours: Sep 15, 2025, 7:55 PM EDT

Main Street Capital Market Cap

Main Street Capital has a market cap or net worth of $5.83 billion as of September 15, 2025. Its market cap has increased by 35.79% in one year.

Market Cap

5.83B

Enterprise Value

7.97B

1-Year Change

35.79%

Ranking

#1223

Market Cap Chart

Since November 16, 2007, Main Street Capital's market cap has increased from $128.00M to $5.83B, an increase of 4,453.26%. That is a compound annual growth rate of 23.87%.

Market Cap History

Date	Market Cap	% Change
Sep 12, 2025	5.99B	15.96%
Dec 31, 2024	5.17B	42.68%
Dec 29, 2023	3.62B	26.83%
Dec 30, 2022	2.85B	-8.55%
Dec 31, 2021	3.12B	46.00%
Dec 31, 2020	2.14B	-21.81%
Dec 31, 2019	2.73B	32.59%
Dec 31, 2018	2.06B	-10.66%
Dec 29, 2017	2.31B	18.36%
Dec 30, 2016	1.95B	33.77%
Dec 31, 2015	1.46B	10.93%
Dec 31, 2014	1.31B	1.18%
Dec 31, 2013	1.30B	34.48%
Dec 31, 2012	965.90M	70.50%
Dec 30, 2011	566.50M	66.42%
Dec 31, 2010	340.40M	95.86%
Dec 31, 2009	173.80M	92.47%
Dec 31, 2008	90.30M	-27.00%
Dec 31, 2007	123.70M	-3.36%
Nov 16, 2007	128.00M	-

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Market Capitalization

Market capitalization, also called net worth, is the total value of all of a company's outstanding shares. It is calculated by multiplying the stock price by the number of shares outstanding.

Formula: Market Cap = Stock Price * Shares Outstanding

Full Definition

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