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, Q4 2025
Institutional positions in Main Street Capital CORP as of Dec 31, 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
- 431
- +31 vs. Q3 2025
- Shares held
- 20.9M
- +858.1K (+4.3%) vs. Q3 2025
- Total value
- $1.26B
- −$5.41M (−0.4%) vs. Q3 2025
- New holders
- 68
- 145 more added
- Sold out
- 37
- 120 more reduced
8 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2025
Shares, value and share of portfolio for each institution holding Main Street Capital CORP; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Union Bancaire Privee, UBP SA | 12,683 | $60 | 0.00% | −3,636−22.3% | Reduced |
| Huntington National Bank | 1 | $60 | 0.00% | 00.0% | Unchanged |
| DV Trading LLC | 1 | $60 | 0.00% | +1 | New |
| Delta Asset Management LLC | 4 | $242 | 0.00% | 00.0% | Unchanged |
| Mountain Hill Investment Partners Corp. | 5 | $312 | 0.00% | 00.0% | Unchanged |
| Atlas Capital Advisors LLC | 5 | $354 | 0.00% | +5 | New |
| Barclays PLC | 8 | $483 | 0.00% | +4+100.0% | Added |
| Evermay Wealth Management LLC | 10 | $604 | 0.00% | 00.0% | Unchanged |
| Golden State Wealth Management, LLC | 14 | $845 | 0.00% | 00.0% | Unchanged |
| Danske Bank A/S | 14 | $845 | 0.00% | +14 | New |
| FMR LLC | 17 | $1.03K | 0.00% | 00.0% | Unchanged |
| Versant Capital Management, Inc | 18 | $1.11K | 0.00% | 00.0% | Unchanged |
| Farmers & Merchants Investments Inc | 19 | $1.15K | 0.00% | 00.0% | Unchanged |
| GAMMA Investing LLC | 19 | $1.15K | 0.00% | 00.0% | Unchanged |
| Medallion Wealth Advisors, LLC | 22 | $1.33K | 0.00% | 00.0% | Unchanged |
| Davis Capital Management | 33 | $1.99K | 0.00% | 00.0% | Unchanged |
| Caitong International Asset Management Co., Ltd | 43 | $2.60K | 0.00% | −158−78.6% | Reduced |
| Quadrant Capital Group LLC | 47 | $2.84K | 0.00% | 00.0% | Unchanged |
| Covestor Ltd | 56 | $3.00K | 0.00% | −1−1.8% | Reduced |
| Strategic Wealth Partners, Ltd. | 53 | $3.20K | 0.00% | +53 | New |
| St Germain D J Co Inc | 58 | $3.50K | 0.00% | +1+1.8% | Added |
| SJS Investment Consulting Inc. | 59 | $3.54K | 0.00% | +1+1.7% | Added |
| Duncker Streett & Co Inc | 60 | $3.62K | 0.00% | 00.0% | Unchanged |
| Erste Asset Management GmbH | 63 | $3.81K | 0.00% | −1,280−95.3% | Reduced |
| SWAN Capital LLC | 73 | $4.41K | 0.00% | +53+265.0% | Added |
| Essential Partners LLC | 82 | $4.95K | 0.00% | +82 | New |
| Financial Consulate, Inc | 86 | $5.19K | 0.00% | 00.0% | Unchanged |
| BOK Financial Private Wealth, Inc. | 100 | $6.04K | 0.00% | 00.0% | Unchanged |
| Founders Capital Management | 100 | $6.04K | 0.00% | 00.0% | Unchanged |
| Cape Investment Advisory, Inc. | 100 | $6.04K | 0.00% | +100 | New |
| Evolution Wealth Management Inc. | 100 | $6.04K | 0.00% | +100 | New |
| Safe Harbor Fiduciary, LLC | 120 | $7.25K | 0.01% | +120 | New |
| West Branch Capital LLC | 125 | $7.55K | 0.00% | 00.0% | Unchanged |
| Murphy & Mullick Capital Management Corp | 127 | $7.67K | 0.01% | 00.0% | Unchanged |
| JNBA Financial Advisors | 129 | $7.79K | 0.00% | 00.0% | Unchanged |
| Ankerstar Wealth, LLC | 139 | $8.39K | 0.01% | +139 | New |
| McGuire Capital Advisors Inc | 139 | $8.39K | 0.01% | +139 | New |
| Tidemark, LLC | 150 | $9.06K | 0.00% | 00.0% | Unchanged |
| IFC & Insurance Marketing, Inc. | 169 | $10.0K | 0.01% | +169 | New |
| Cornerstone Planning Group LLC | 156 | $10.0K | 0.00% | +156 | New |
| Wolff Wiese Magana LLC | 187 | $11.3K | 0.01% | 00.0% | Unchanged |
| Hollencrest Capital Management | 200 | $12.1K | 0.00% | 00.0% | Unchanged |
| Lavaca Capital LLC | 200 | $12.1K | 0.00% | 00.0% | Unchanged |
| Alerus Financial NA | 206 | $12.4K | 0.00% | 00.0% | Unchanged |
| Bogart Wealth, LLC | 218 | $13.1K | 0.00% | +2+0.9% | Added |
| Crewe Advisors LLC | 219 | $13.2K | 0.00% | −1−0.5% | Reduced |
| Webster Bank, N. A. | 300 | $18.1K | 0.00% | 00.0% | Unchanged |
| IAG Wealth Partners, LLC | 300 | $18.1K | 0.00% | 00.0% | Unchanged |
| Brown Brothers Harriman & Co | 301 | $18.2K | 0.00% | 00.0% | Unchanged |
| Kingdom Financial Group LLC. | 306 | $18.5K | 0.01% | +306 | New |
| Asset Dedication, LLC | 325 | $19.6K | 0.00% | 00.0% | Unchanged |
| UBS Asset Management Americas Inc | 331 | $20.0K | 0.00% | +331 | New |
| Hantz Financial Services, Inc. | 332 | $20.0K | 0.00% | +332 | New |
| Harbor Asset Planning, Inc. | 372 | $22.5K | 0.02% | 00.0% | Unchanged |
| Palladiem, LLC | 391 | $23.5K | 0.02% | +391 | New |
| Wealth Preservation Advisors, LLC | 400 | $24.2K | 0.01% | 00.0% | Unchanged |
| Quest 10 Wealth Builders, Inc. | 400 | $24.2K | 0.02% | 00.0% | Unchanged |
| Roxbury Financial LLC | 423 | $25.5K | 0.02% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 460 | $27.8K | 0.00% | 00.0% | Unchanged |
| Garner Asset Management Corp | 460 | $27.8K | 0.01% | +460 | New |
| South State Corp. | 461 | $27.8K | 0.00% | −1,539−77.0% | Reduced |
| Sankala Group LLC | 506 | $28.8K | 0.02% | +506 | New |
| Smithfield Trust Co | 500 | $30.0K | 0.00% | 00.0% | Unchanged |
| Asset Planning,Inc | 500 | $30.2K | 0.02% | 00.0% | Unchanged |
| Investors Research Corp | 500 | $30.2K | 0.01% | +500 | New |
| Gilpin Wealth Management, LLC | 520 | $31.4K | 0.02% | +520 | New |
| Archer Investment Corp | 546 | $33.0K | 0.01% | +2+0.4% | Added |
| Manchester Capital Management LLC | 596 | $36.0K | 0.00% | +296+98.7% | Added |
| Steigerwald, Gordon & Koch Inc. | 600 | $36.2K | 0.00% | 00.0% | Unchanged |
| Sunrise Financial Services, LLC | 632 | $38.2K | 0.03% | +632 | New |
| Root Financial Partners, LLC | 650 | $39.3K | 0.00% | −21−3.1% | Reduced |
| Prestige Wealth Management Group LLC | 650 | $39.3K | 0.01% | 00.0% | Unchanged |
| Hazlett, Burt & Watson, Inc. | 700 | $42.0K | 0.01% | 00.0% | Unchanged |
| Financial Network Wealth Advisors LLC | 708 | $42.8K | 0.04% | +9+1.3% | Added |
| Tower Research Capital LLC (TRC) | 709 | $42.8K | 0.00% | +709 | New |
| Capital Advisors, Ltd. LLC | 750 | $45.0K | 0.01% | 00.0% | Unchanged |
| Assetmark, Inc | 754 | $45.5K | 0.00% | +248+49.0% | Added |
| Truvestments Capital LLC | 773 | $46.7K | 0.01% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 782 | $47.2K | 0.00% | +4+0.5% | Added |
| Trust Co of Vermont | 784 | $47.3K | 0.00% | 00.0% | Unchanged |
| Key Capital Management, INC | 831 | $50.2K | 0.05% | +831 | New |
| Colonial Trust Advisors | 850 | $51.3K | 0.00% | +15+1.8% | Added |
| Spire Wealth Management | 916 | $55.3K | 0.00% | −168−15.5% | Reduced |
| EverSource Wealth Advisors, LLC | 955 | $57.7K | 0.00% | +24+2.6% | Added |
| NBC Securities, Inc. | 992 | $60.0K | 0.00% | +12+1.2% | Added |
| Avion Wealth | 1,000 | $60.0K | 0.01% | 00.0% | Unchanged |
| Bryn Mawr Trust Co | 1,000 | $60.4K | 0.00% | 00.0% | Unchanged |
| Umb Bank N A | 1,034 | $62.4K | 0.00% | 00.0% | Unchanged |
| Winch Advisory Services, LLC | 1,052 | $63.5K | 0.01% | +17+1.6% | Added |
| Washington Trust Advisors, Inc. | 1,129 | $68.2K | 0.01% | 00.0% | Unchanged |
| Comerica Bank | 1,175 | $71.0K | 0.00% | −1,793−60.4% | Reduced |
| Financial Management Professionals, Inc. | 1,180 | $71.2K | 0.01% | +5+0.4% | Added |
| Chelsea Counsel Co | 1,280 | $77.3K | 0.03% | 00.0% | Unchanged |
| Princeton Global Asset Management LLC | 1,289 | $77.8K | 0.01% | 00.0% | Unchanged |
| Keating Financial Advisory Services, Inc. | 1,334 | $80.6K | 0.01% | +1,334 | New |
| Citigroup Inc | 1,409 | $85.1K | 0.00% | −414−22.7% | Reduced |
| IFP Advisors, Inc | 1,439 | $86.9K | 0.00% | +144+11.1% | Added |
| Nomura Asset Management Co Ltd | 1,610 | $97.2K | 0.00% | −11,165−87.4% | Reduced |
| Bayban | 1,612 | $97.3K | 0.09% | +1,612 | New |
| Centaurus Financial, Inc. | 1,672 | $101.0K | 0.00% | +1,672 | New |