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 2026
Institutional positions in Main Street Capital CORP as of Jun 30, 2026. 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
- 401
- −19 vs. Q1 2026
- Shares held
- 22.7M
- −496.9K (−2.1%) vs. Q1 2026
- Total value
- $1.18B
- −$53.5M (−4.4%) vs. Q1 2026
- New holders
- 43
- 148 more added
- Sold out
- 62
- 122 more reduced
3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Main Street Capital CORP; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Atlantic Union Bankshares Corp | 1,765 | $91.6K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 1,762 | $91.4K | 0.00% | −523−22.9% | Reduced |
| Continuum Advisory, LLC | 1,649 | $85.5K | 0.01% | +1,649 | New |
| Bayban | 1,612 | $83.6K | 0.06% | 00.0% | Unchanged |
| CoreCap Advisors, LLC | 1,583 | $82.1K | 0.00% | −85,352−98.2% | Reduced |
| Assetmark, Inc | 1,568 | $81.3K | 0.00% | +118+8.1% | Added |
| Leonteq Securities AG | 1,500 | $77.8K | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 1,459 | $75.7K | 0.00% | −2−0.1% | Reduced |
| Purpose Unlimited Inc. | 1,429 | $73.7K | 0.00% | +26+1.9% | Added |
| Fifth Third Bancorp | 1,350 | $70.0K | 0.00% | +275+25.6% | Added |
| LifeSteps Financial, Inc. | 1,303 | $67.6K | 0.03% | +1,303 | New |
| Princeton Global Asset Management LLC | 1,289 | $66.9K | 0.01% | 00.0% | Unchanged |
| Armstrong Advisory Group, Inc | 1,203 | $62.4K | 0.00% | 00.0% | Unchanged |
| Financial Management Professionals, Inc. | 1,190 | $61.8K | 0.01% | +5+0.4% | Added |
| Sankala Group LLC | 1,018 | $59.2K | 0.04% | +9+0.9% | Added |
| Washington Trust Advisors, Inc. | 1,129 | $58.6K | 0.00% | 00.0% | Unchanged |
| Sunrise Financial Services, LLC | 1,125 | $58.4K | 0.03% | −27−2.3% | Reduced |
| Umb Bank N A | 1,034 | $53.6K | 0.00% | 00.0% | Unchanged |
| Bryn Mawr Trust Co | 1,000 | $51.9K | 0.00% | 00.0% | Unchanged |
| Avion Wealth | 1,000 | $51.0K | 0.01% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 956 | $49.6K | 0.00% | −16−1.6% | Reduced |
| Colonial Trust Advisors | 884 | $45.9K | 0.00% | +18+2.1% | Added |
| UBS Asset Management Americas Inc | 871 | $45.2K | 0.00% | 00.0% | Unchanged |
| Luminist Capital LLC | 868 | $45.0K | 0.05% | +868 | New |
| NBC Securities, Inc. | 799 | $41.5K | 0.00% | −206−20.5% | Reduced |
| Tower Research Capital LLC (TRC) | 753 | $39.1K | 0.00% | −678−47.4% | Reduced |
| Capital Advisors, Ltd. LLC | 750 | $39.0K | 0.00% | 00.0% | Unchanged |
| Financial Network Wealth Advisors LLC | 728 | $37.8K | 0.04% | +10+1.4% | Added |
| Hazlett, Burt & Watson, Inc. | 700 | $36.0K | 0.01% | 00.0% | Unchanged |
| Citigroup Inc | 653 | $33.9K | 0.00% | −5,448−89.3% | Reduced |
| Prestige Wealth Management Group LLC | 650 | $33.7K | 0.01% | 00.0% | Unchanged |
| Winch Advisory Services, LLC | 606 | $31.5K | 0.01% | −464−43.4% | Reduced |
| Steigerwald, Gordon & Koch Inc. | 600 | $31.1K | 0.00% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 547 | $28.4K | 0.00% | +547 | New |
| Gilpin Wealth Management, LLC | 520 | $27.0K | 0.02% | 00.0% | Unchanged |
| Smithfield Trust Co | 500 | $26.0K | 0.00% | 00.0% | Unchanged |
| Asset Planning,Inc | 500 | $25.9K | 0.02% | 00.0% | Unchanged |
| North Star Investment Management Corp. | 500 | $25.9K | 0.00% | +500 | New |
| Federation des caisses Desjardins du Quebec | 470 | $24.4K | 0.00% | +10+2.2% | Added |
| Ameritas Investment Partners, Inc. | 454 | $23.5K | 0.00% | 00.0% | Unchanged |
| Morgan Dempsey Capital Management LLC | 435 | $22.6K | 0.01% | −71,124−99.4% | Reduced |
| Institute for Wealth Management, LLC. | 425 | $22.0K | 0.00% | +425 | New |
| South State Corp. | 405 | $21.0K | 0.00% | −56−12.1% | Reduced |
| Roxbury Financial LLC | 402 | $20.8K | 0.02% | −21−5.0% | Reduced |
| SHP Wealth Management | 400 | $20.8K | 0.00% | −3,375−89.4% | Reduced |
| Peterson Wealth Management | 400 | $20.8K | 0.01% | 00.0% | Unchanged |
| Truvestments Capital LLC | 364 | $18.9K | 0.00% | −213−36.9% | Reduced |
| Caitlin John, LLC | 330 | $17.1K | 0.01% | +330 | New |
| Asset Dedication, LLC | 325 | $16.9K | 0.00% | 00.0% | Unchanged |
| Kingdom Financial Group LLC. | 318 | $16.5K | 0.00% | +6+1.9% | Added |
| Spire Wealth Management | 310 | $16.1K | 0.00% | −24−7.2% | Reduced |
| Action Point Financial Planning, LLC | 309 | $16.0K | 0.00% | +309 | New |
| Brown Brothers Harriman & Co | 301 | $15.6K | 0.00% | −200−39.9% | Reduced |
| Webster Bank, N. A. | 300 | $15.6K | 0.00% | 00.0% | Unchanged |
| Manchester Capital Management LLC | 300 | $15.6K | 0.00% | 00.0% | Unchanged |
| IAG Wealth Partners, LLC | 300 | $15.6K | 0.00% | 00.0% | Unchanged |
| Trust Co of Vermont | 300 | $15.6K | 0.00% | +300 | New |
| Caitong International Asset Management Co., Ltd | 260 | $13.5K | 0.00% | −5,471−95.5% | Reduced |
| Compass Financial Management LLC | 243 | $12.6K | 0.00% | +243 | New |
| Bogart Wealth, LLC | 221 | $11.5K | 0.00% | +2+0.9% | Added |
| Crewe Advisors LLC | 219 | $11.4K | 0.00% | 00.0% | Unchanged |
| Alerus Financial NA | 206 | $10.7K | 0.00% | 00.0% | Unchanged |
| Wolff Wiese Magana LLC | 187 | $9.70K | 0.00% | 00.0% | Unchanged |
| Keating Financial Advisory Services, Inc. | 185 | $9.60K | 0.00% | 00.0% | Unchanged |
| Key Capital Management, INC | 181 | $9.39K | 0.00% | −396−68.6% | Reduced |
| Caldwell Sutter Capital, Inc. | 165 | $8.56K | 0.00% | +165 | New |
| Tidemark, LLC | 150 | $7.78K | 0.00% | 00.0% | Unchanged |
| JPL Wealth Management, LLC | 150 | $7.78K | 0.00% | 00.0% | Unchanged |
| Founders Capital Management | 150 | $7.78K | 0.00% | +50+50.0% | Added |
| Ankerstar Wealth, LLC | 139 | $7.21K | 0.01% | 00.0% | Unchanged |
| McGuire Capital Advisors Inc | 139 | $7.21K | 0.00% | 00.0% | Unchanged |
| JNBA Financial Advisors | 129 | $6.69K | 0.00% | 00.0% | Unchanged |
| Murphy & Mullick Capital Management Corp | 127 | $6.59K | 0.00% | 00.0% | Unchanged |
| West Branch Capital LLC | 125 | $6.49K | 0.00% | 00.0% | Unchanged |
| International Assets Investment Management, LLC | 115 | $5.98K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 115 | $5.97K | 0.00% | +115 | New |
| Acumen Wealth Advisors, LLC | 110 | $5.72K | 0.00% | +110 | New |
| JFS Wealth Advisors, LLC | 103 | $5.34K | 0.00% | +103 | New |
| Huntington National Bank | 102 | $5.29K | 0.00% | 00.0% | Unchanged |
| Evolution Wealth Management Inc. | 100 | $5.19K | 0.00% | 00.0% | Unchanged |
| Pin Oak Investment Advisors Inc | 100 | $5.00K | 0.00% | +100 | New |
| Financial Consulate, Inc | 86 | $4.46K | 0.00% | 00.0% | Unchanged |
| Creative Financial Designs Inc | 70 | $3.63K | 0.00% | +70 | New |
| Buck Wealth Strategies, LLC | 70 | $3.61K | 0.00% | +70 | New |
| Erste Asset Management GmbH | 60 | $3.11K | 0.00% | +60 | New |
| St Germain D J Co Inc | 59 | $3.09K | 0.00% | 00.0% | Unchanged |
| SJS Investment Consulting Inc. | 59 | $3.07K | 0.00% | −5−7.8% | Reduced |
| Basepoint Wealth LLC | 50 | $2.59K | 0.00% | +50 | New |
| Covestor Ltd | 43 | $2.00K | 0.00% | −13−23.2% | Reduced |
| Davis Capital Management | 33 | $1.71K | 0.00% | 00.0% | Unchanged |
| TD Waterhouse Canada Inc. | 27 | $1.40K | 0.00% | +27 | New |
| Medallion Wealth Advisors, LLC | 23 | $1.17K | 0.00% | +1+4.5% | Added |
| Abound Wealth Management | 20 | $1.04K | 0.00% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 19 | $986 | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 19 | $986 | 0.00% | 00.0% | Unchanged |
| FMR LLC | 17 | $882 | 0.00% | −241−93.4% | Reduced |
| Mountain Hill Investment Partners Corp. | 5 | $279 | 0.00% | 00.0% | Unchanged |
| Danske Bank A/S | 4 | $208 | 0.00% | 00.0% | Unchanged |
| MCF Advisors LLC | 4 | $208 | 0.00% | +4 | New |
| Vestor Capital, LLC | 55,208 | – | – | +6,808+14.1% | Added |