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 2 sales; 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 |
|---|---|---|---|---|---|
| Danske Bank A/S | 4 | $208 | 0.00% | 00.0% | Unchanged |
| MCF Advisors LLC | 4 | $208 | 0.00% | +4 | New |
| Mountain Hill Investment Partners Corp. | 5 | $279 | 0.00% | 00.0% | Unchanged |
| FMR LLC | 17 | $882 | 0.00% | −241−93.4% | Reduced |
| Farmers & Merchants Investments Inc | 19 | $986 | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 19 | $986 | 0.00% | 00.0% | Unchanged |
| Abound Wealth Management | 20 | $1.04K | 0.00% | 00.0% | Unchanged |
| Medallion Wealth Advisors, LLC | 23 | $1.17K | 0.00% | +1+4.5% | Added |
| TD Waterhouse Canada Inc. | 27 | $1.40K | 0.00% | +27 | New |
| Davis Capital Management | 33 | $1.71K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 43 | $2.00K | 0.00% | −13−23.2% | Reduced |
| Basepoint Wealth LLC | 50 | $2.59K | 0.00% | +50 | New |
| SJS Investment Consulting Inc. | 59 | $3.07K | 0.00% | −5−7.8% | Reduced |
| St Germain D J Co Inc | 59 | $3.09K | 0.00% | 00.0% | Unchanged |
| Erste Asset Management GmbH | 60 | $3.11K | 0.00% | +60 | New |
| Buck Wealth Strategies, LLC | 70 | $3.61K | 0.00% | +70 | New |
| Creative Financial Designs Inc | 70 | $3.63K | 0.00% | +70 | New |
| Financial Consulate, Inc | 86 | $4.46K | 0.00% | 00.0% | Unchanged |
| Pin Oak Investment Advisors Inc | 100 | $5.00K | 0.00% | +100 | New |
| Evolution Wealth Management Inc. | 100 | $5.19K | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 102 | $5.29K | 0.00% | 00.0% | Unchanged |
| JFS Wealth Advisors, LLC | 103 | $5.34K | 0.00% | +103 | New |
| Acumen Wealth Advisors, LLC | 110 | $5.72K | 0.00% | +110 | New |
| Group One Trading, L.P. | 115 | $5.97K | 0.00% | +115 | New |
| International Assets Investment Management, LLC | 115 | $5.98K | 0.00% | 00.0% | Unchanged |
| West Branch Capital LLC | 125 | $6.49K | 0.00% | 00.0% | Unchanged |
| Murphy & Mullick Capital Management Corp | 127 | $6.59K | 0.00% | 00.0% | Unchanged |
| JNBA Financial Advisors | 129 | $6.69K | 0.00% | 00.0% | Unchanged |
| Ankerstar Wealth, LLC | 139 | $7.21K | 0.01% | 00.0% | Unchanged |
| McGuire Capital Advisors Inc | 139 | $7.21K | 0.00% | 00.0% | Unchanged |
| 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 |
| Caldwell Sutter Capital, Inc. | 165 | $8.56K | 0.00% | +165 | New |
| Key Capital Management, INC | 181 | $9.39K | 0.00% | −396−68.6% | Reduced |
| Keating Financial Advisory Services, Inc. | 185 | $9.60K | 0.00% | 00.0% | Unchanged |
| Wolff Wiese Magana LLC | 187 | $9.70K | 0.00% | 00.0% | Unchanged |
| Alerus Financial NA | 206 | $10.7K | 0.00% | 00.0% | Unchanged |
| Crewe Advisors LLC | 219 | $11.4K | 0.00% | 00.0% | Unchanged |
| Bogart Wealth, LLC | 221 | $11.5K | 0.00% | +2+0.9% | Added |
| Compass Financial Management LLC | 243 | $12.6K | 0.00% | +243 | New |
| Caitong International Asset Management Co., Ltd | 260 | $13.5K | 0.00% | −5,471−95.5% | 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 |
| Brown Brothers Harriman & Co | 301 | $15.6K | 0.00% | −200−39.9% | Reduced |
| Action Point Financial Planning, LLC | 309 | $16.0K | 0.00% | +309 | New |
| Spire Wealth Management | 310 | $16.1K | 0.00% | −24−7.2% | Reduced |
| Kingdom Financial Group LLC. | 318 | $16.5K | 0.00% | +6+1.9% | Added |
| Asset Dedication, LLC | 325 | $16.9K | 0.00% | 00.0% | Unchanged |
| Caitlin John, LLC | 330 | $17.1K | 0.01% | +330 | New |
| Truvestments Capital LLC | 364 | $18.9K | 0.00% | −213−36.9% | 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 |
| Roxbury Financial LLC | 402 | $20.8K | 0.02% | −21−5.0% | Reduced |
| South State Corp. | 405 | $21.0K | 0.00% | −56−12.1% | Reduced |
| Institute for Wealth Management, LLC. | 425 | $22.0K | 0.00% | +425 | New |
| Morgan Dempsey Capital Management LLC | 435 | $22.6K | 0.01% | −71,124−99.4% | Reduced |
| Ameritas Investment Partners, Inc. | 454 | $23.5K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 470 | $24.4K | 0.00% | +10+2.2% | Added |
| Asset Planning,Inc | 500 | $25.9K | 0.02% | 00.0% | Unchanged |
| North Star Investment Management Corp. | 500 | $25.9K | 0.00% | +500 | New |
| Smithfield Trust Co | 500 | $26.0K | 0.00% | 00.0% | Unchanged |
| Gilpin Wealth Management, LLC | 520 | $27.0K | 0.02% | 00.0% | Unchanged |
| Massmutual Trust Co FSB | 547 | $28.4K | 0.00% | +547 | New |
| Steigerwald, Gordon & Koch Inc. | 600 | $31.1K | 0.00% | 00.0% | Unchanged |
| Winch Advisory Services, LLC | 606 | $31.5K | 0.01% | −464−43.4% | Reduced |
| Prestige Wealth Management Group LLC | 650 | $33.7K | 0.01% | 00.0% | Unchanged |
| Citigroup Inc | 653 | $33.9K | 0.00% | −5,448−89.3% | Reduced |
| Hazlett, Burt & Watson, Inc. | 700 | $36.0K | 0.01% | 00.0% | Unchanged |
| Financial Network Wealth Advisors LLC | 728 | $37.8K | 0.04% | +10+1.4% | Added |
| Capital Advisors, Ltd. LLC | 750 | $39.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 753 | $39.1K | 0.00% | −678−47.4% | Reduced |
| NBC Securities, Inc. | 799 | $41.5K | 0.00% | −206−20.5% | Reduced |
| Luminist Capital LLC | 868 | $45.0K | 0.05% | +868 | New |
| UBS Asset Management Americas Inc | 871 | $45.2K | 0.00% | 00.0% | Unchanged |
| Colonial Trust Advisors | 884 | $45.9K | 0.00% | +18+2.1% | Added |
| EverSource Wealth Advisors, LLC | 956 | $49.6K | 0.00% | −16−1.6% | Reduced |
| Avion Wealth | 1,000 | $51.0K | 0.01% | 00.0% | Unchanged |
| Bryn Mawr Trust Co | 1,000 | $51.9K | 0.00% | 00.0% | Unchanged |
| Umb Bank N A | 1,034 | $53.6K | 0.00% | 00.0% | Unchanged |
| Sunrise Financial Services, LLC | 1,125 | $58.4K | 0.03% | −27−2.3% | Reduced |
| Washington Trust Advisors, Inc. | 1,129 | $58.6K | 0.00% | 00.0% | Unchanged |
| Sankala Group LLC | 1,018 | $59.2K | 0.04% | +9+0.9% | Added |
| Financial Management Professionals, Inc. | 1,190 | $61.8K | 0.01% | +5+0.4% | Added |
| Armstrong Advisory Group, Inc | 1,203 | $62.4K | 0.00% | 00.0% | Unchanged |
| Princeton Global Asset Management LLC | 1,289 | $66.9K | 0.01% | 00.0% | Unchanged |
| LifeSteps Financial, Inc. | 1,303 | $67.6K | 0.03% | +1,303 | New |
| Fifth Third Bancorp | 1,350 | $70.0K | 0.00% | +275+25.6% | Added |
| Purpose Unlimited Inc. | 1,429 | $73.7K | 0.00% | +26+1.9% | Added |
| IFP Advisors, Inc | 1,459 | $75.7K | 0.00% | −2−0.1% | Reduced |
| Leonteq Securities AG | 1,500 | $77.8K | 0.00% | 00.0% | Unchanged |
| Assetmark, Inc | 1,568 | $81.3K | 0.00% | +118+8.1% | Added |
| CoreCap Advisors, LLC | 1,583 | $82.1K | 0.00% | −85,352−98.2% | Reduced |
| Bayban | 1,612 | $83.6K | 0.06% | 00.0% | Unchanged |
| Continuum Advisory, LLC | 1,649 | $85.5K | 0.01% | +1,649 | New |
| Signaturefd, LLC | 1,762 | $91.4K | 0.00% | −523−22.9% | Reduced |
| Atlantic Union Bankshares Corp | 1,765 | $91.6K | 0.00% | 00.0% | Unchanged |
| Private Trust Co NA | 1,869 | $97.0K | 0.01% | 00.0% | Unchanged |