What is MAIN's market cap?

$5.28B, based on the Nov 12 close of $56.23.

What is MAIN's P/E ratio?

11.7× trailing-twelve-month earnings of $451.34M.

Does Main Street Capital pay a dividend?

Yes. The latest regular dividend was $0.265 per share (ex-date Nov 6), an annualised yield of 5.66%.

How much of MAIN is sold short?

9.2M shares, 10.2% of float, as of Oct 30, 2026.

NYSE · MAIN

Main Street Capital Corporation (MAIN)

$56.23−0.78%

Close Nov 12, 2026 · split-adjusted

Nov 12, 2026$56.23▼ 4.92% in range

Nov 12, 2025Low $49.63 · High $64.60Nov 12, 2026

What changed · written from our data

As of Nov 12, 2026

Main Street Capital closed at $56.23 on Nov 12, down 0.78%, 13.0% below its 52-week closing high. Volume of 284.3K shares was 0.59× its 20-day average (below normal).

Split-adjusted performance: +5.1% over one month, +10.9% over six months, -5.0% over one year.

In the quarter ended Jun 30, 2026, revenue was $214.62M, up 21.0% from a year earlier, with a net margin of 68.8%.

Short interest was 9.2M shares at the Oct 30 settlement, down 4.2% from the prior report (10.2% of float, 20.3 days to cover).

Market cap$5.28B93.8M shares

Revenue · quarter$214.6M+21.0% YoY

Diluted EPS$1.58+15.3% YoY

P/E · TTM11.7×P/S 7.6×

Net margin68.8%Gross 82.9%

Dividend yield5.66%$0.265 last paid

52-week range49.63 – 64.60−13.0% from high

Volume284.3K0.59× 20-day avg

Volatility · 60d15.8%Annualised

Short % of float10.2%20.3 days to cover

Net cash$3.27BCash $5.80B

Next earnings—Not scheduled

Split-adjusted performance

1W −1.0%1M +5.1%3M −4.4%6M +10.9%YTD −6.9%1Y −5.0%3Y +40.0%5Y +28.0%

Earnings reactions

History →

No reported quarters with price history yet.

Rank within industry

Not enough peers to rank

6-month momentum—

Revenue growth—

Net margin—

Value (low P/E)—

Size—

Short interest

Details →

Shares short9.2M−4.2% vs prior

Days to cover20.3Settled Oct 30

% of float10.2%

Short vol. 10d61.2%of daily volume

News about Main Street Capital

All news →

$1,000 in Main Street Capital's 2007 IPO Is Worth About $7,300 Counting Dividends. It Has Never Cut Its Monthly Payout.The Motley Fool · 3h ago▲ Positive Main Street Capital (MAIN) Q3 Earnings and Revenues Miss EstimatesZacks Investment Research · Nov 6, 2026▼ Negative Main Street Lifts Dividend by 3.8%: Can It Sustain Income Appeal?Zacks Investment Research · Nov 4, 2026▲ Positive Main Street Capital (MAIN) Rises As Market Takes a Dip: Key FactsZacks Investment Research · Oct 29, 2026Neutral Main Street Capital (MAIN) Dips More Than Broader Market: What You Should KnowZacks Investment Research · Oct 23, 2026Neutral

Quick answers

What does Main Street Capital do?: Main Street Capital Corp is a principal investment firm focused on providing customized long-term debt and equity capital solutions to lower middle market ("LMM") companies and debt capital to private ("Private Loan") companies owned by or in the process of being acquired by a private equity fund. The group invests principally in secured debt investments, equity investments, warrants, and other securities of LMM companies, typically based in the U.S.
What is MAIN's market cap?: $5.28B, based on the Nov 12 close of $56.23.
What is MAIN's P/E ratio?: 11.7× trailing-twelve-month earnings of $451.34M.
Does Main Street Capital pay a dividend?: Yes. The latest regular dividend was $0.265 per share (ex-date Nov 6), an annualised yield of 5.66%.
How much of MAIN is sold short?: 9.2M shares, 10.2% of float, as of Oct 30, 2026.

About Main Street Capital

Main Street Capital Corp is a principal investment firm focused on providing customized long-term debt and equity capital solutions to lower middle market ("LMM") companies and debt capital to private ("Private Loan") companies owned by or in the process of being acquired by a private equity fund. The group invests principally in secured debt investments, equity investments, warrants, and other securities of LMM companies, typically based in the U.S. The company operates as a single segment with a principal investment objective to maximize total return by generating current income from debt investments and current income and capital appreciation from equity and equity-related investments.

HQ: Houston, TX110 employeesListed Oct 5, 2007mainstcapital.com

Sources: Massive / Polygon daily aggregates (split-adjusted) · SEC filings via Massive · FINRA settlements via Massive · Financial Modeling Prep. Figures are dated where shown; research is informational, not investment advice. Methodology