# Main Street Capital CORP: overview

MAIN · NYSE · CIK 1396440 · [Other](/sectors/other.md) · fiscal year ends Dec 31

Pages: [Overview](/companies/main.md) · [Financials](/companies/main/financials.md) · [Filings](/companies/main/filings.md) · [Insiders](/companies/main/insiders.md)

Revenue is not reported in this company’s XBRL financial statements.

## Last eight quarters

| Line item | Unit | Q3 FY2024 (2024-09-30) | Q4 FY2024 (2024-12-31) | Q1 FY2025 (2025-03-31) | Q2 FY2025 (2025-06-30) | Q3 FY2025 (2025-09-30) | Q4 FY2025 (2025-12-31) | Q1 FY2026 (2026-03-31) | Q2 FY2026 (2026-06-30) |
| --- | --- | ---: | ---: | ---: | ---: | ---: | ---: | ---: | ---: |
| Revenue | $ | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not reported |
| Gross margin | % | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not reported |
| Operating margin | % | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not reported |
| Net margin | % | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not reported |
| Diluted EPS | $ per share | [0.96](/filings/0001396440-25-000184.md) | not reported | [0.97](/filings/0001396440-26-000073.md) | [0.99](/filings/0001396440-25-000102.md) | [0.97](/filings/0001396440-25-000184.md) | not reported | [0.93](/filings/0001396440-26-000073.md) | not reported |
| Free cash flow | $ | not reported | not reported | not reported | not reported | not reported | not reported | not reported | not reported |

- Revenue. XBRL not reported.
- Gross margin (gross profit / revenue). XBRL not reported.
- Operating margin (operating income / revenue). XBRL not reported.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss. Derived values: 12-month figure less the 9-month figure.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities. Derived values: 9-month figure less the 6-month figure; 12-month figure less the 9-month figure; 6-month figure less the 3-month figure.

## Last five fiscal years

| Line item | Unit | FY (2021-12-31) | FY2022 (2022-12-31) | FY2023 (2023-12-31) | FY2024 (2024-12-31) | FY2025 (2025-12-31) |
| --- | --- | ---: | ---: | ---: | ---: | ---: |
| Revenue | $ | not reported | not reported | not reported | not reported | not reported |
| Gross margin | % | not reported | not reported | not reported | not reported | not reported |
| Operating margin | % | not reported | not reported | not reported | not reported | not reported |
| Net margin | % | not reported | not reported | not reported | not reported | not reported |
| Diluted EPS | $ per share | [2.65](/filings/0001396440-24-000055.md) | [3.29](/filings/0001396440-25-000018.md) | [4.04](/filings/0001396440-26-000016.md) | [3.93](/filings/0001396440-26-000016.md) | [3.95](/filings/0001396440-26-000016.md) |
| Free cash flow | $ | not reported | not reported | not reported | not reported | not reported |

- Revenue. XBRL not reported.
- Gross margin (gross profit / revenue). XBRL not reported.
- Operating margin (operating income / revenue). XBRL not reported.
- Net margin (net income / revenue). XBRL Net income: us-gaap:NetIncomeLoss.
- Diluted EPS. XBRL Diluted EPS: us-gaap:EarningsPerShareDiluted.
- Free cash flow (operating cash flow − capital expenditure). XBRL Operating cash flow: us-gaap:NetCashProvidedByUsedInOperatingActivities.

Each value links to the filing it came from. d marks a derived value. A ratio is not reported when any input is missing.

## Insider purchases and sales

The last 20 open-market transactions on Form 4 (codes P and S). Reported price is as stated on the form, not a market price. [All insider transactions](/companies/main/insiders.md)

None in coverage.

## Funds that report holding it

From each manager’s latest Form 13F, largest reported value first. Reported value is as filed: filing data, not a price. [All funds](/funds.md)

| Fund | Quarter ended | Reported value | Shares | Put or call | Change on the quarter before |
| --- | --- | ---: | ---: | --- | --- |
| [VAN ECK ASSOCIATES CORP](/funds/869178.md) | 2026-06-30 | $97.8m | 1,885,274 |  | Reduced −223,648 |
| [UBS Group AG](/funds/1610520.md) | 2026-06-30 | $72.0m | 1,387,731 |  | Added +48,919 |
| [Legal & General Group Plc](/funds/764068.md) | 2026-06-30 | $43.3m | 835,057 |  | Added +51,036 |
| [MORGAN STANLEY](/funds/895421.md) | 2026-06-30 | $40.8m | 786,284 |  | Reduced −68,301 |
| [Qube Research & Technologies Ltd](/funds/1729829.md) | 2026-06-30 | $33.9m | 654,166 |  | Added +168,367 |
| [Invesco Ltd.](/funds/914208.md) | 2026-06-30 | $28.7m | 553,967 |  | Added +121,492 |
| [ADELL HARRIMAN & CARPENTER INC](/funds/1134152.md) | 2026-06-30 | $25.9m | 498,998 |  | Added +14,414 |
| [Muzinich & Co., Inc.](/funds/1618824.md) | 2026-06-30 | $25.7m | 495,923 |  | Added +11,100 |
| [Union Bancaire Privee, UBP SA](/funds/1716607.md) | 2026-06-30 | $24.3m | 2,942 |  | Unchanged |
| [BlackRock, Inc.](/funds/2012383.md) | 2026-06-30 | $20.9m | 403,623 |  | Reduced −20,612 |

## Recent filings

[All 4,010 filings](/companies/main/filings.md)

| Filed | Accepted | Form | What it is | Accession |
| --- | --- | --- | --- | --- |
| 2026-10-15 | 09:34 ET | [8-K](/filings/0001396440-26-000106.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001396440-26-000106 |
| 2026-10-08 | 09:30 ET | [8-K](/filings/0001396440-26-000104.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001396440-26-000104 |
| 2026-08-12 | 18:20 ET | [8-K](/filings/0001396440-26-000102.md) | 1.01 Entry into a material agreement; 9.01 Financial statements and exhibits | 0001396440-26-000102 |
| 2026-08-07 | 10:58 ET | [10-Q](/filings/0001396440-26-000094.md) | Quarterly report, period 2026-06-30 | 0001396440-26-000094 |
| 2026-08-06 | 16:29 ET | [8-K](/filings/0001396440-26-000090.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001396440-26-000090 |
| 2026-08-04 | 09:26 ET | [8-K](/filings/0001396440-26-000088.md) | 8.01 Other events; 9.01 Financial statements and exhibits | 0001396440-26-000088 |
| 2026-07-16 | 09:15 ET | [8-K](/filings/0001396440-26-000086.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001396440-26-000086 |
| 2026-07-09 | 09:38 ET | [8-K](/filings/0001396440-26-000084.md) | 2.02 Results of operations; 9.01 Financial statements and exhibits | 0001396440-26-000084 |
| 2026-06-30 | 16:02 ET | [8-K](/filings/0001396440-26-000082.md) | 1.01 Entry into a material agreement; 2.03 New direct financial obligation; 8.01 Other events; 9.01 Financial statements and exhibits | 0001396440-26-000082 |
| 2026-06-11 | 13:10 ET | [8-K](/filings/0001396440-26-000079.md) | 7.01 Regulation FD disclosure | 0001396440-26-000079 |

## Latest annual report

[Form 10-K for the fiscal year ended Dec 31, 2025](/filings/0001396440-26-000016.md), filed Feb 27, 2026.

## Forecast league

Not in this season’s league. [This season’s league](/leagues.md)

## About the filer

- CIK: 1396440
- Tickers: MAIN
- Exchange: NYSE
- SIC code: not reported
- State of incorporation: MD
- Filer category: Large accelerated filer

Source: SEC EDGAR, XBRL company facts, the filing index and Forms 4. Last ingested by Listed: Oct 29, 2026, 04:34 ET. No prices; not investment advice.