Main Street Capital Corporation (MAIN)

NYSE: MAIN · Real-Time Price · USD

50.45

-0.24 (-0.47%)

At close: May 15, 2026, 4:00 PM EDT

50.63

+0.18 (0.36%)

Pre-market: May 18, 2026, 4:44 AM EDT

Main Street Capital Market Cap

Main Street Capital has a market cap or net worth of $4.69 billion as of May 15, 2026. Its market cap has increased by 0.66% in one year.

Market Cap

4.69B

Enterprise Value

7.21B

1-Year Change

0.66%

Ranking

#1412

Market Cap Chart

Since November 16, 2007, Main Street Capital's market cap has increased from $128.00M to $4.69B, an increase of 3,565.11%. That is a compound annual growth rate of 21.48%.

Market Cap History

Date	Market Cap	% Change
May 15, 2026	4.69B	-13.29%
Dec 31, 2025	5.41B	4.74%
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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