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MAIN Market Cap

Market Cap:

$5.44B+$86.00M(+1.61%)
December 26, 2025

Summary

  • As of today, MAIN market cap is $5.44 billion, with a rise of +$86.00 million (+1.61%) during the most recent trading session on December 26, 2025.
  • Over the past year, MAIN market cap has increased by +$361.64 million (+7.12%).
  • MAIN market cap is now -9.87% below its all-time high of $6.04 billion.

Performance

MAIN Market Cap Chart

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Highlights

Range

Related metrics

Market Cap Formula

Market Cap = Price ✕ Shares Outstanding

MAIN Market Cap Trends

PeriodPeriodMarket CapMarket CapPricePriceShares OutstandingShares OutstandingEnterprise ValueEnterprise Value
1D1 Day+1.6%+1.6%+0.1%+1.2%
1M1 Month+5.3%+5.3%-+3.9%
3M3 Months-4.5%-4.7%--4.0%
6M6 Months+3.1%+2.4%--2.1%
YTDYTD+5.1%+3.7%-+0.7%
1Y1 Year+7.1%+5.4%+1.6%+1.5%
5Y5 Years+164.2%+95.4%+35.2%+125.7%

MAIN Market Cap Highs & Lows

PeriodPeriodHighHighCurrent vs Highvs HighLowLowCurrent vs Lowvs Low
1M1-Month$6B-3.5%$5B+5.3%
3M3-Month$6B-5.0%$5B+10.3%
6M6-Month$6B-9.9%$5B+10.3%
1Y1-Year$6B-9.9%$4B+24.9%
3Y3-Year$6B-9.9%$3B+93.0%
5Y5-Year$6B-9.9%$2B+164.2%
All-TimeAll-Time$6B-9.9%$82M+6579.4%

MAIN Market Cap History

DateValue
2025
$5B(+5.1%)
2024
$5B(+41.2%)
2023
$4B(+26.5%)
2022
$3B(-8.6%)
2021
$3B(+45.3%)
2020
$2B(-21.2%)
2019
$3B(+33.7%)
2018
$2B(-11.1%)
2017
$2B(+16.7%)
DateValue
2016
$2B(+36.2%)
2015
$1B(+11.2%)
2014
$1B(+1.2%)
2013
$1B(+23.4%)
2012
$1B(+86.0%)
2011
$567M(+65.9%)
2010
$342M(+95.6%)
2009
$175M(+93.6%)
2008
$90M(-27.0%)
2007
$124M

FAQ

  • What is Main Street Capital Corporation market cap?
  • What is the all-time high market cap for Main Street Capital Corporation?
  • What is MAIN market cap year-to-date change?
  • What is Main Street Capital Corporation market cap year-on-year change?

What is Main Street Capital Corporation market cap?

The current market cap of MAIN is $5.44B

What is the all-time high market cap for Main Street Capital Corporation?

Main Street Capital Corporation all-time high market cap is $6.04B

What is MAIN market cap year-to-date change?

Main Street Capital Corporation market cap has changed by +$265.84M (+5.13%) since the beginning of the year

What is Main Street Capital Corporation market cap year-on-year change?

Over the past year, MAIN market cap has changed by +$361.64M (+7.12%)
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