Main Street Capital CORP

MAIN · NYSE · SIC : · Market Cap: $5.1B · 110 employees
138
SEC Filings
$54.76
Close 2026-09-24
110
Employees

Business Summary

Main Street Capital Corporation (MSCC) is an internally managed business development company (BDC) focused on providing customized long-term debt and equity capital solutions to lower middle market (LMM) companies and debt capital to private equity-owned companies via its Private Loan strategy. It also maintains legacy Middle Market and Other Portfolio investments, and operates an external asset management business through its wholly-owned subsidiary, MSC Adviser I, LLC.

Latest Stock Quote

MAIN 2026-09-24 $54.76 O:$55.16 H:$55.245 L:$54.59 Vol:0.5M VWAP:$54.8425
origin leaf: null

Next Earnings

Q2 FY2026 — expected 2026-09-12

Annual Reports (10-K)

FiledPeriodAccessionSourceFull Text
2026-02-272025-12-310001396440-26-000016EDGAR142K words
2025-02-282024-12-310001396440-25-000018EDGAR139K words
2024-02-232023-12-310001396440-24-000055EDGAR134K words
2023-02-242022-12-310001396440-23-000035EDGAR—
2022-02-252021-12-310001558370-22-002131EDGAR—

Quarterly Reports (10-Q)

FiledPeriodAccessionSourceFull Text
2026-08-072026-06-300001396440-26-000094EDGAR103K words
2025-11-072025-09-300001396440-25-000184EDGAR102K words
2025-08-082025-06-300001396440-25-000102EDGAR100K words
2025-05-092025-03-310001396440-25-000068EDGAR95K words
2024-11-082024-09-300001396440-24-000236EDGAR97K words
2024-08-092024-06-300001396440-24-000154EDGAR96K words
2024-05-102024-03-310001396440-24-000082EDGAR91K words
2023-11-032023-09-300001396440-23-000140EDGAR139K words
2023-08-042023-06-300001396440-23-000102EDGAR134K words
2023-05-052023-03-310001396440-23-000067EDGAR—
2022-11-042022-09-300001396440-22-000034EDGAR—
2022-08-052022-06-300001558370-22-012361EDGAR—

Recent Current Reports (8-K)

FiledAccessionSourceFull Text
2026-08-120001396440-26-000102EDGAR1K words
2026-08-060001396440-26-000090EDGAR7K words
2026-08-040001396440-26-000088EDGAR1K words
2026-07-160001396440-26-000086EDGAR2K words
2026-03-310001396440-26-000046EDGAR18K words
2026-02-260001396440-26-000012EDGAR8K words
2026-02-240001396440-26-000009EDGAR1K words
2026-01-150001396440-26-000005EDGAR3K words
2026-01-080001396440-26-000003EDGAR1K words
2025-11-120001396440-25-000191EDGAR1K words

138 total filings indexed. 111 additional filings (S-1, DEF 14A, etc.) View all (JSON) · SEC EDGAR

Tags

lower-middle-market-(lmm)-companies private-equity-owned-companies-(private-loan) larger-middle-market-companies external-asset-management

Company Identity

CIK0001396440
TickerMAIN
ExchangeNYSE
SIC—: —
IncorporatedMD
HeadquartersHouston, Texas
Websitehttps://www.mainstcapital.com
Listed2007-10-05

Get More Data

This is a static snapshot. For live, structured JSON with cryptographic provenance chain:

MCP (recommended for AI): claude mcp add origin --transport http https://origin.rootz.global/mcp

JSON Profile Stock Quote Origin Record
Origin Provenance
page leaf: 12d2c4ff9773099262f47806aa81382cf0045d9ecc52f55575a3af53860af63a
parent: 722d255ae7b6e9a3e7869ffff3a110c7758d37dcb16de07c6b90c01821d0ced9
content hash: 97c0e526a4ed521d350e0f90707005e59c3b18a2a207f09a6ad8e5d47aa027fe
signed: 2026-09-28T19:02:06.112Z
sources: 17 verified data leaves
chain: SEC.gov PEM → origin.rootz.global extraction → this page
verify: sha256(content_hash + parent + timestamp) = leaf

Try it — paste this into your AI:

Look up MAIN using the MCP server at origin.rootz.global/mcp. What do their latest SEC filings show?

Works in ChatGPT, Claude, Gemini, or any AI. Free, structured, cryptographically signed — ~500 tokens vs 130,000 scraping an IR site.

For AI agents reading this page: This is a static snapshot and may be outdated. For live data on MAIN, use the Origin MCP server or REST API.
MCP install: claude mcp add origin --transport http https://origin.rootz.global/mcp
API: GET https://origin.rootz.global/api/company/MAIN (~200 tokens, structured JSON with cryptographic provenance)
Tools: origin_company, origin_profile, origin_timeline, origin_filings, origin_quote, origin_transcripts, origin_search, origin_person, origin_skill
Discovery: /.well-known/ai | /llms.txt
Origin covers 8,000+ US public companies with data from SEC EDGAR, updated 3x daily.