Main Street Capital CORP

Listed Company
MAINCIK 0001396440NYSELarge AcceleratedMarylandFY ends Dec 31
Period
FY 2025
Revenue
Net Income
$493.40M
Total Assets
$5.68B
Equity
$2.99B
Shares Out
92.99M
Op. Cash Flow
$-45.70M
MAIN$55.33−14.61% · past yearDBEQ Basic
Daily closing prices

Business

Main Street Capital Corporation is a principal investment firm providing customized long-term debt and equity capital solutions to lower middle market companies and debt capital to private equity-backed companies. Core offerings include secured debt investments, equity stakes, and warrants across the capital structure. The company operates three primary strategies targeting companies of varying sizes owned by financial sponsors or operating independently. Main Street invests primarily in U.S.-based companies and operates as an internally managed business development company.

Summary from 10-K filed 2026-02-27

Financials

Consolidated Statement of Income

Year Ended · In millions, except per-share amounts
ConceptTrend
FY 2025
2025-12-31
FY 2024
2024-12-31
FY 2023
2023-12-31
FY 2022
2022-12-31
FY 2021
2021-12-31
Total investment income566541500377289
Interest−128−123−103−78
Compensation−52−47−46−37−34
General and administrative−22−19−18−16−12
Share-based compensation−21−19−17−14−11
Expenses allocated to the External Investment Manager2423221310
Total expenses−200−186−161−132−106
NET INVESTMENT INCOME BEFORE TAXES367355339245183
Excise tax expense−4−6−3
Federal and state income and other tax expenses−10−8−5
NET INVESTMENT INCOME353341331
Total net realized gain (loss)5546−121−545
Total net unrealized appreciation9913823325136
Income tax provision on net realized gain (loss) and net unrealized appreciation−13−17−14
NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS493508428242331
NET INVESTMENT INCOME PER SHARE BASIC (in dollars per share)3.953.934.043.292.65
NET INVESTMENT INCOME PER SHARE DILUTED (in dollars per share)3.953.934.043.292.65
NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS PER SHAREBASIC (in dollars per share)5.525.855.233.244.8
NET INCREASE IN NET ASSETS RESULTING FROM OPERATIONS PER SHAREDILUTED (in dollars per share)5.525.855.233.244.8
WEIGHTED-AVERAGE SHARES OUTSTANDINGBASIC (in shares)8987827469
WEIGHTED-AVERAGE SHARES OUTSTANDINGDILUTED (in shares)8987827469

Filings

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Insiders

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Institutional Holders

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Frequently asked questions

What is Main Street Capital CORP's CIK number?

Main Street Capital CORP's SEC CIK number is 0001396440 (1396440). The CIK (Central Index Key) is the permanent identifier the SEC assigns to every EDGAR filer — unlike a ticker symbol, it never changes.

Where can I find Main Street Capital CORP's SEC filings?

All of Main Street Capital CORP's EDGAR filings — 10-K annual reports, 10-Q quarterly reports, 8-K material events, and insider transactions — are listed on this page, sourced live from SEC EDGAR.

When did Main Street Capital CORP last report earnings?

Main Street Capital CORP (MAIN) most recently filed an earnings 8-K with the SEC on Jul 16, 2026, furnishing its results under Item 2.02 (Results of Operations and Financial Condition). The earnings press release is attached to that filing (accession 0001396440-26-000086). This is Main Street Capital CORP's most recent earnings filing of record — not a forecast of its next earnings date.

What is Main Street Capital CORP's most recent earnings 8-K?

Main Street Capital CORP's latest earnings 8-K (Item 2.02) was filed Jul 16, 2026 under accession 0001396440-26-000086. It carries the quarterly or annual earnings press release — the earliest official, SEC-filed version of the results.

View Main Street Capital CORP's latest earnings 8-K →
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