Market Cap:
$5.32B-$70.77M(-1.31%)Summary
- As of today, MAIN market cap is $5.32 billion, with a fall of -$70.77 million (-1.31%) during the most recent trading session on December 22, 2025.
- Over the past year, MAIN market cap has increased by +$347.35 million (+6.98%).
- MAIN market cap is now -11.91% 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
| PeriodPeriod | Market CapMarket Cap | PricePrice | Shares OutstandingShares Outstanding | Enterprise ValueEnterprise Value |
|---|---|---|---|---|
| 1D1 Day | -1.3% | -1.3% | +0.1% | -1.0% |
| 1M1 Month | +6.9% | +6.9% | - | +5.0% |
| 3M3 Months | -7.5% | -7.6% | - | -6.2% |
| 6M6 Months | +2.9% | +2.3% | - | -2.3% |
| YTDYTD | +2.8% | +1.4% | - | -1.0% |
| 1Y1 Year | +7.0% | +5.3% | +1.6% | +1.3% |
| 5Y5 Years | +157.0% | +90.1% | +35.2% | +121.3% |
MAIN Market Cap Highs & Lows
| PeriodPeriod | HighHigh | Current vs Highvs High | LowLow | Current vs Lowvs Low | |
|---|---|---|---|---|---|
| 1M | 1-Month | $6B | -5.6% | $5B | +6.9% |
| 3M | 3-Month | $6B | -7.5% | $5B | +7.8% |
| 6M | 6-Month | $6B | -11.9% | $5B | +7.8% |
| 1Y | 1-Year | $6B | -11.9% | $4B | +22.1% |
| 3Y | 3-Year | $6B | -11.9% | $3B | +90.9% |
| 5Y | 5-Year | $6B | -11.9% | $2B | +158.2% |
| All-Time | All-Time | $6B | -11.9% | $82M | +6427.8% |
MAIN Market Cap History
| Date | Value |
|---|---|
| 2025 | $5B(+2.7%) |
| 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%) |
| Date | Value |
|---|---|
| 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 $5.32B
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 +$142.21M (+2.75%) 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 +$347.35M (+6.98%)