All charts and data below are CPI-U inflation-adjusted and with dividends reinvested. (Why?)

Total Real Returns

MAIN: Total Real Return Chart (Dividends Reinvested, Inflation Adjusted)

MAIN real return snapshot: after CPI-U inflation, MAIN returned −10.70% over the past year and −4.58% YTD, with dividends reinvested. Since Oct. 5, 2007, MAIN is up +1,041.61% in real purchasing-power return, or +13.70%/yr, and is currently −12.58% below its real total-return high on Aug. 13, 2025.

Data ending Mon Sep. 21, 2026

Growth of $10,000

Fri 2007-10-05💬 to Mon 2026-09-21 Overall
Return 		Exponential
Trendline
MAIN × 		+1,041.61%
+13.70%/yr 		+14.09%/yr
R2=0.911
Main Street Capital Corporation NYSE Common Stock

Growth of $10,000 Summary

Fri 2007-10-05💬 to Mon 2026-09-21 Start
Value 		End
Value
MAIN × 		$10,000.00
2007-10-05 		$114,161.41
2026-09-21

This Year’s Performance

through 2026-09-21

  YTD YoY
MAIN × 		−4.58% −10.70%

Drawdowns

  Current
Drawdown 		Worst
Drawdown
MAIN × 		−12.58%
on 2026-09-21
from 2025-08-13 peak 		−64.53%
on 2020-03-23
from 2020-02-13 peak

Rolling Returns

Period ending Mon 2026-09-21 1 yr 2 yr 3 yr 5 yr 10 yr
MAIN × 		−10.70% +22.76%
+10.80%/yr 		+63.06%
+17.70%/yr 		+67.18%
+10.82%/yr 		+151.43%
+9.66%/yr

Annual Returns

Year MAIN
2026 (YTD) −4.58%
2025 +7.86%
2024 +43.17%
2023 +24.07%
2022 −16.76%
2021 +38.56%
2020 −20.62%
2019 +33.83%
2018 −9.99%
2017 +13.65%
2016 +34.66%
2015 +7.75%
2014 −3.72%
2013 +15.10%
2012 +50.87%
2011 +24.10%
2010 +22.39%
2009 +79.95%
2008 −20.85%
2007 −5.10%