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, Q3 2025
Institutional positions in Main Street Capital CORP as of Sep 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
- 408
- +12 vs. Q2 2025
- Shares held
- 20.1M
- +408.8K (+2.1%) vs. Q2 2025
- Total value
- $1.27B
- +$109.2M (+9.4%) vs. Q2 2025
- New holders
- 44
- 154 more added
- Sold out
- 32
- 97 more reduced
9 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding Main Street Capital CORP; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Leonteq Securities AG | 2,500 | $159.0K | 0.01% | −100−3.8% | Reduced |
| Armstrong Advisory Group, Inc | 2,479 | $157.6K | 0.01% | −482−16.3% | Reduced |
| Register Financial Advisors LLC | 2,443 | $155.3K | 0.06% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 2,272 | $144.5K | 0.00% | −60−2.6% | Reduced |
| Compass Financial Services Inc | 2,246 | $142.8K | 0.06% | +36+1.6% | Added |
| Strategic Advocates LLC | 2,155 | $137.0K | 0.04% | +2,155 | New |
| Farther Finance Advisors, LLC | 2,148 | $136.6K | 0.00% | +642+42.6% | Added |
| National Bank of Canada | 2,090 | $132.9K | 0.00% | 00.0% | Unchanged |
| South State Corp. | 2,000 | $127.2K | 0.01% | +2,000 | New |
| Private Trust Co NA | 1,956 | $124.4K | 0.01% | −302−13.4% | Reduced |
| Atlantic Union Bankshares Corp | 1,947 | $123.8K | 0.00% | +1,932+12,880.0% | Added |
| Signaturefd, LLC | 1,831 | $116.4K | 0.00% | +161+9.6% | Added |
| Citigroup Inc | 1,823 | $115.9K | 0.00% | +1,594+696.1% | Added |
| Erste Asset Management GmbH | 1,343 | $85.4K | 0.00% | −2,075−60.7% | Reduced |
| IFP Advisors, Inc | 1,295 | $82.3K | 0.00% | −400−23.6% | Reduced |
| Princeton Global Asset Management LLC | 1,289 | $82.0K | 0.01% | 00.0% | Unchanged |
| Chelsea Counsel Co | 1,280 | $81.4K | 0.04% | −8,500−86.9% | Reduced |
| Financial Management Professionals, Inc. | 1,175 | $74.7K | 0.01% | −21−1.8% | Reduced |
| Washington Trust Advisors, Inc. | 1,129 | $71.8K | 0.01% | 00.0% | Unchanged |
| Spire Wealth Management | 1,084 | $68.9K | 0.00% | +884+442.0% | Added |
| Wealthspire Advisors, LLC | 1,061 | $67.5K | 0.00% | +1,061 | New |
| Winch Advisory Services, LLC | 1,035 | $65.8K | 0.01% | +15+1.5% | Added |
| Umb Bank N A | 1,034 | $65.8K | 0.00% | 00.0% | Unchanged |
| Bryn Mawr Trust Co | 1,000 | $63.6K | 0.00% | 00.0% | Unchanged |
| Avion Wealth | 1,000 | $63.0K | 0.01% | 00.0% | Unchanged |
| NBC Securities, Inc. | 980 | $62.4K | 0.00% | +10+1.0% | Added |
| Principal Securities, Inc. | 972 | $61.8K | 0.00% | +99+11.3% | Added |
| State of Wyoming | 969 | $61.6K | 0.01% | −3,057−75.9% | Reduced |
| EverSource Wealth Advisors, LLC | 931 | $59.2K | 0.00% | 00.0% | Unchanged |
| Colonial Trust Advisors | 835 | $53.1K | 0.00% | +13+1.6% | Added |
| Trust Co of Vermont | 784 | $49.9K | 0.00% | −3,678−82.4% | Reduced |
| Russell Investments Group, Ltd. | 778 | $49.5K | 0.00% | −4−0.5% | Reduced |
| Truvestments Capital LLC | 773 | $49.2K | 0.01% | −100−11.5% | Reduced |
| Capital Advisors, Ltd. LLC | 750 | $48.0K | 0.01% | 00.0% | Unchanged |
| Wellington Shields & Co., LLC | 725 | $46.1K | 0.01% | 00.0% | Unchanged |
| Hazlett, Burt & Watson, Inc. | 700 | $45.0K | 0.02% | 00.0% | Unchanged |
| Financial Network Wealth Advisors LLC | 699 | $44.5K | 0.05% | +8+1.2% | Added |
| Root Financial Partners, LLC | 671 | $42.7K | 0.00% | +671 | New |
| Prestige Wealth Management Group LLC | 650 | $41.3K | 0.01% | 00.0% | Unchanged |
| Ameritas Advisory Services, LLC | 647 | $41.1K | 0.00% | −2,174−77.1% | Reduced |
| Steigerwald, Gordon & Koch Inc. | 600 | $38.2K | 0.00% | +600 | New |
| Archer Investment Corp | 544 | $34.6K | 0.01% | +312+134.5% | Added |
| Assetmark, Inc | 506 | $32.2K | 0.00% | +339+203.0% | Added |
| Smithfield Trust Co | 500 | $32.0K | 0.00% | 00.0% | Unchanged |
| Optimum Investment Advisors | 500 | $31.8K | 0.01% | 00.0% | Unchanged |
| Asset Planning,Inc | 500 | $31.8K | 0.02% | 00.0% | Unchanged |
| Smartleaf Asset Management LLC | 478 | $30.3K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 460 | $29.3K | 0.00% | 00.0% | Unchanged |
| Roxbury Financial LLC | 423 | $26.9K | 0.02% | 00.0% | Unchanged |
| City Holding Co | 406 | $25.8K | 0.00% | +406 | New |
| Wealth Preservation Advisors, LLC | 400 | $25.4K | 0.01% | 00.0% | Unchanged |
| Quest 10 Wealth Builders, Inc. | 400 | $25.4K | 0.02% | +400 | New |
| Harbor Asset Planning, Inc. | 372 | $23.7K | 0.02% | 00.0% | Unchanged |
| Lowe Wealth Advisors, LLC | 350 | $22.3K | 0.01% | 00.0% | Unchanged |
| Asset Dedication, LLC | 325 | $20.7K | 0.00% | 00.0% | Unchanged |
| Brown Brothers Harriman & Co | 301 | $19.1K | 0.00% | 00.0% | Unchanged |
| Webster Bank, N. A. | 300 | $19.1K | 0.00% | 00.0% | Unchanged |
| Manchester Capital Management LLC | 300 | $19.1K | 0.00% | 00.0% | Unchanged |
| IAG Wealth Partners, LLC | 300 | $19.1K | 0.00% | 00.0% | Unchanged |
| GPS Wealth Strategies Group, LLC | 225 | $14.3K | 0.00% | −5−2.2% | Reduced |
| Crewe Advisors LLC | 220 | $14.0K | 0.00% | 00.0% | Unchanged |
| Bogart Wealth, LLC | 216 | $13.7K | 0.00% | +1+0.5% | Added |
| Pension & Wealth Management Advisors, Inc. | 215 | $13.7K | 0.00% | +215 | New |
| Alerus Financial NA | 206 | $13.1K | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 201 | $12.8K | 0.01% | +201 | New |
| Hollencrest Capital Management | 200 | $12.7K | 0.00% | 00.0% | Unchanged |
| Lavaca Capital LLC | 200 | $12.7K | 0.00% | 00.0% | Unchanged |
| Wolff Wiese Magana LLC | 187 | $11.9K | 0.01% | 00.0% | Unchanged |
| CX Institutional | 156 | $10.0K | 0.00% | +156 | New |
| Accredited Wealth Management, LLC | 103 | $9.90K | 0.01% | −51−33.1% | Reduced |
| Salem Investment Counselors Inc | 150 | $9.54K | 0.00% | −10−6.3% | Reduced |
| Tidemark, LLC | 150 | $9.54K | 0.00% | 00.0% | Unchanged |
| JPL Wealth Management, LLC | 150 | $9.54K | 0.00% | +150 | New |
| JNBA Financial Advisors | 129 | $8.20K | 0.00% | 00.0% | Unchanged |
| West Branch Capital LLC | 125 | $7.95K | 0.00% | 00.0% | Unchanged |
| Groupe la Francaise | 133 | $7.17K | 0.00% | +133 | New |
| Murphy & Mullick Capital Management Corp | 127 | $7.16K | 0.01% | 00.0% | Unchanged |
| Creekmur Asset Management LLC | 111 | $7.08K | 0.00% | +110+11,000.0% | Added |
| BOK Financial Private Wealth, Inc. | 100 | $6.36K | 0.00% | 00.0% | Unchanged |
| Founders Capital Management | 100 | $6.36K | 0.00% | 00.0% | Unchanged |
| Financial Consulate, Inc | 86 | $5.47K | 0.00% | +86 | New |
| Covestor Ltd | 57 | $4.00K | 0.00% | 00.0% | Unchanged |
| Duncker Streett & Co Inc | 60 | $3.81K | 0.00% | +60 | New |
| SJS Investment Consulting Inc. | 58 | $3.67K | 0.00% | +1+1.8% | Added |
| St Germain D J Co Inc | 57 | $3.63K | 0.00% | +1+1.8% | Added |
| Quadrant Capital Group LLC | 47 | $2.99K | 0.00% | +47 | New |
| Quarry LP | 42 | $2.67K | 0.00% | +42 | New |
| Davis Capital Management | 33 | $2.10K | 0.00% | +33 | New |
| Global Wealth Strategies & Associates | 30 | $1.91K | 0.00% | +30 | New |
| North Capital, Inc. | 26 | $1.65K | 0.00% | +1+4.0% | Added |
| Toth Financial Advisory Corp | 25 | $1.59K | 0.00% | +25 | New |
| Medallion Wealth Advisors, LLC | 22 | $1.40K | 0.00% | 00.0% | Unchanged |
| SWAN Capital LLC | 20 | $1.27K | 0.00% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 19 | $1.21K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 19 | $1.21K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 18 | $1.17K | 0.00% | −129−87.8% | Reduced |
| FMR LLC | 17 | $1.08K | 0.00% | 00.0% | Unchanged |
| Roble, Belko & Company, Inc | 20 | $1.00K | 0.00% | 00.0% | Unchanged |
| Golden State Wealth Management, LLC | 14 | $890 | 0.00% | 00.0% | Unchanged |
| Evermay Wealth Management LLC | 10 | $636 | 0.00% | 00.0% | Unchanged |