Main Street Capital CORP
MAIN- Exchange
- NYSE
- SEC CIK
- 0001396440
In the last 90 days, Main Street Capital CORP insiders filed 1 open-market purchase and 1 sale; 401 institutions reported holding it in 13F filings for Q2 2026, worth $1.18B in total; no superinvestor holds it.
13F holders, Q2 2025
Institutional positions in Main Street Capital CORP as of Jun 30, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 405
- +16 vs. Q1 2025
- Shares held
- 19.7M
- +878.7K (+4.7%) vs. Q1 2025
- Total value
- $1.17B
- +$101.6M (+9.5%) vs. Q1 2025
- New holders
- 51
- 148 more added
- Sold out
- 35
- 108 more reduced
4 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2025: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting MAIN on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 401 | $1.18B |
| Q1 2026 | 423 | $1.24B |
| Q4 2025 | 431 | $1.26B |
| Q3 2025 | 408 | $1.27B |
| Q2 2025 | 405 | $1.17B |
| Q1 2025 | 393 | $1.07B |
| Q4 2024 | 401 | $1.10B |
| Q3 2024 | 354 | $931.0M |
| Q2 2024 | 340 | $869.4M |
| Q1 2024 | 326 | $804.4M |
| Q4 2023 | 313 | $752.3M |
| Q3 2023 | 292 | $716.5M |
| Q2 2023 | 289 | $660.3M |
| Q1 2023 | 273 | $617.8M |
| Q4 2022 | 273 | $571.7M |
| Q3 2022 | 248 | $491.5M |
| Q2 2022 | 244 | $533.6M |
| Q1 2022 | 256 | $546.5M |
| Q4 2021 | 257 | $558.7M |
| Q3 2021 | 236 | $508.1M |
| Q2 2021 | 228 | $488.5M |
| Q1 2021 | 230 | $511.5M |
Institutions, Q2 2025
Shares, value and share of portfolio for each institution holding Main Street Capital CORP; share changes are against Q1 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Legal & General Group Plc | 675,495 | $39.9M | 0.01% | +24,248+3.7% | Added |
| Morgan Stanley | 1,012,080 | $59.8M | 0.00% | +43,594+4.5% | Added |
| Van Eck Associates Corp | 1,218,338 | $72.0M | 0.08% | +46,890+4.0% | Added |
| Price T Rowe Associates Inc | 3,500,667 | $206.9M | 0.02% | +311,981+9.8% | Added |
| Union Bancaire Privee, UBP SA | 16,319 | – | – | +789+5.1% | Added |
| Paradiem, LLC | 0 | $0 | 0.00% | −195,843−100.0% | Sold out |
| Citadel Advisors LLC | 0 | $0 | 0.00% | −138,771−100.0% | Sold out |
| Victory Capital Management Inc | 0 | $0 | 0.00% | −109,714−100.0% | Sold out |
| Burgundy Asset Management Ltd. | 0 | $0 | 0.00% | −37,624−100.0% | Sold out |
| Neuberger Berman Group LLC | 0 | $0 | 0.00% | −29,920−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −25,976−100.0% | Sold out |
| Ameriflex Group, Inc. | 0 | $0 | 0.00% | −21,759−100.0% | Sold out |
| Janus Henderson Group PLC | 0 | $0 | 0.00% | −20,748−100.0% | Sold out |
| Wealthstar Advisors, LLC | 0 | $0 | 0.00% | −19,709−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −19,150−100.0% | Sold out |
| Norges Bank | 0 | $0 | 0.00% | −13,556−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −11,281−100.0% | Sold out |
| MQS Management LLC | 0 | $0 | 0.00% | −9,528−100.0% | Sold out |
| Entropy Technologies, LP | 0 | $0 | 0.00% | −5,793−100.0% | Sold out |
| Nebula Research & Development LLC | 0 | $0 | 0.00% | −5,503−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −5,325−100.0% | Sold out |
| Resources Investment Advisors, LLC. | 0 | $0 | 0.00% | −5,250−100.0% | Sold out |
| Savant Capital, LLC | 0 | $0 | 0.00% | −4,868−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −4,777−100.0% | Sold out |
| Toroso Investments, LLC | 0 | $0 | 0.00% | −4,574−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −3,766−100.0% | Sold out |
| Sciencast Management LP | 0 | $0 | 0.00% | −3,701−100.0% | Sold out |
| Hexagon Capital Partners LLC | 0 | $0 | 0.00% | −3,494−100.0% | Sold out |
| Elite Financial, Inc. | 0 | $0 | 0.00% | −2,250−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −1,694−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −1,087−100.0% | Sold out |
| Carolinas Wealth Consulting LLC | 0 | $0 | 0.00% | −1,058−100.0% | Sold out |
| Tower Research Capital LLC (TRC) | 0 | $0 | 0.00% | −1,060−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −843−100.0% | Sold out |
| Kiker Wealth Management, LLC | 0 | $0 | 0.00% | −522−100.0% | Sold out |
| Synergy Investment Management, LLC | 0 | $0 | 0.00% | −315−100.0% | Sold out |
| Tanglewood Legacy Advisors, LLC | 0 | $0 | 0.00% | −135−100.0% | Sold out |
| Birchbrook, Inc. | 0 | $0 | 0.00% | −102−100.0% | Sold out |
| Quadrant Capital Group LLC | 0 | $0 | 0.00% | −47−100.0% | Sold out |
| GHP Investment Advisors, Inc. | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Credit Agricole S A | – | – | – | – | Not filed |
| Sheaff Brock Investment Advisors, LLC | – | – | – | – | Not filed |
| Lindbrook Capital, LLC | – | – | – | – | Not filed |
| Davis Capital Management | – | – | – | – | Not filed |