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 |
|---|---|---|---|---|---|
| Heritage Wealth Advisors | 3,600 | $217.4K | 0.01% | 00.0% | Unchanged |
| MKT Advisors LLC | 3,427 | $214.0K | 0.07% | 00.0% | Unchanged |
| Warren Averett Asset Management, LLC | 3,542 | $213.9K | 0.00% | +3,542 | New |
| Garton & Associates Financial Advisors LLC | 3,532 | $213.3K | 0.12% | +3,532 | New |
| Alliance Wealth Advisors, LLC | 3,500 | $211.4K | 0.05% | +3,500 | New |
| Catalyst Funds Management Pty Ltd | 3,500 | $211.4K | 0.05% | +3,500 | New |
| Sunbelt Securities, Inc. | 3,457 | $208.8K | 0.01% | +3+0.1% | Added |
| Vise Technologies, Inc. | 3,457 | $208.8K | 0.00% | −1,060−23.5% | Reduced |
| Ausdal Financial Partners, Inc. | 3,408 | $205.8K | 0.01% | −840−19.8% | Reduced |
| Titiun Yejiel | 3,000 | $181.2K | 0.22% | +3,000 | New |
| Farther Finance Advisors, LLC | 2,932 | $177.1K | 0.00% | +784+36.5% | Added |
| Estate Planners Group, LLC | 2,894 | $174.7K | 0.08% | +2,894 | New |
| HHM Wealth Advisors, LLC | 2,885 | $174.2K | 0.02% | −400−12.2% | Reduced |
| CIBC Private Wealth Group, LLC | 2,847 | $171.9K | 0.00% | 00.0% | Unchanged |
| SOA Wealth Advisors, LLC. | 2,843 | $171.7K | 0.03% | +36+1.3% | Added |
| Strategic Advocates LLC | 2,789 | $167.8K | 0.04% | +634+29.4% | Added |
| AdvisorNet Financial, Inc | 2,755 | $166.4K | 0.01% | +102+3.8% | Added |
| Wellington Shields & Co., LLC | 2,520 | $152.2K | 0.04% | +1,795+247.6% | Added |
| Leonteq Securities AG | 2,500 | $151.0K | 0.01% | 00.0% | Unchanged |
| Vaughan Nelson Investment Management, L.P. | 2,475 | $149.5K | 0.00% | −175−6.6% | Reduced |
| Tucker Asset Management LLC | 2,447 | $147.8K | 0.04% | +2,447 | New |
| Register Financial Advisors LLC | 2,443 | $147.5K | 0.06% | 00.0% | Unchanged |
| Colonial Trust Co | 2,415 | $145.8K | 0.02% | −905−27.3% | Reduced |
| Compass Financial Services Inc | 2,286 | $138.1K | 0.06% | +40+1.8% | Added |
| Armstrong Advisory Group, Inc | 2,137 | $129.1K | 0.01% | −342−13.8% | Reduced |
| Parallel Advisors, LLC | 2,106 | $127.2K | 0.00% | −166−7.3% | Reduced |
| National Bank of Canada | 2,090 | $126.2K | 0.00% | 00.0% | Unchanged |
| Atlantic Union Bankshares Corp | 1,947 | $117.6K | 0.00% | 00.0% | Unchanged |
| Private Trust Co NA | 1,869 | $112.9K | 0.01% | −87−4.4% | Reduced |
| Signaturefd, LLC | 1,819 | $109.9K | 0.00% | −12−0.7% | Reduced |
| Simplex Trading, LLC | 1,723 | $104.1K | 0.00% | +1,723 | New |
| Centaurus Financial, Inc. | 1,672 | $101.0K | 0.00% | +1,672 | New |
| Bayban | 1,612 | $97.3K | 0.09% | +1,612 | New |
| Nomura Asset Management Co Ltd | 1,610 | $97.2K | 0.00% | −11,165−87.4% | Reduced |
| IFP Advisors, Inc | 1,439 | $86.9K | 0.00% | +144+11.1% | Added |
| Citigroup Inc | 1,409 | $85.1K | 0.00% | −414−22.7% | Reduced |
| Keating Financial Advisory Services, Inc. | 1,334 | $80.6K | 0.01% | +1,334 | New |
| Princeton Global Asset Management LLC | 1,289 | $77.8K | 0.01% | 00.0% | Unchanged |
| Chelsea Counsel Co | 1,280 | $77.3K | 0.03% | 00.0% | Unchanged |
| Financial Management Professionals, Inc. | 1,180 | $71.2K | 0.01% | +5+0.4% | Added |
| Comerica Bank | 1,175 | $71.0K | 0.00% | −1,793−60.4% | Reduced |
| Washington Trust Advisors, Inc. | 1,129 | $68.2K | 0.01% | 00.0% | Unchanged |
| Winch Advisory Services, LLC | 1,052 | $63.5K | 0.01% | +17+1.6% | Added |
| Umb Bank N A | 1,034 | $62.4K | 0.00% | 00.0% | Unchanged |
| Bryn Mawr Trust Co | 1,000 | $60.4K | 0.00% | 00.0% | Unchanged |
| Avion Wealth | 1,000 | $60.0K | 0.01% | 00.0% | Unchanged |
| NBC Securities, Inc. | 992 | $60.0K | 0.00% | +12+1.2% | Added |
| EverSource Wealth Advisors, LLC | 955 | $57.7K | 0.00% | +24+2.6% | Added |
| Spire Wealth Management | 916 | $55.3K | 0.00% | −168−15.5% | Reduced |
| Colonial Trust Advisors | 850 | $51.3K | 0.00% | +15+1.8% | Added |
| Key Capital Management, INC | 831 | $50.2K | 0.05% | +831 | New |
| Trust Co of Vermont | 784 | $47.3K | 0.00% | 00.0% | Unchanged |
| Russell Investments Group, Ltd. | 782 | $47.2K | 0.00% | +4+0.5% | Added |
| Truvestments Capital LLC | 773 | $46.7K | 0.01% | 00.0% | Unchanged |
| Assetmark, Inc | 754 | $45.5K | 0.00% | +248+49.0% | Added |
| Capital Advisors, Ltd. LLC | 750 | $45.0K | 0.01% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 709 | $42.8K | 0.00% | +709 | New |
| Financial Network Wealth Advisors LLC | 708 | $42.8K | 0.04% | +9+1.3% | Added |
| Hazlett, Burt & Watson, Inc. | 700 | $42.0K | 0.01% | 00.0% | Unchanged |
| 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 |
| Sunrise Financial Services, LLC | 632 | $38.2K | 0.03% | +632 | New |
| Steigerwald, Gordon & Koch Inc. | 600 | $36.2K | 0.00% | 00.0% | Unchanged |
| Manchester Capital Management LLC | 596 | $36.0K | 0.00% | +296+98.7% | Added |
| Archer Investment Corp | 546 | $33.0K | 0.01% | +2+0.4% | Added |
| Gilpin Wealth Management, LLC | 520 | $31.4K | 0.02% | +520 | New |
| Asset Planning,Inc | 500 | $30.2K | 0.02% | 00.0% | Unchanged |
| Investors Research Corp | 500 | $30.2K | 0.01% | +500 | New |
| Smithfield Trust Co | 500 | $30.0K | 0.00% | 00.0% | Unchanged |
| Sankala Group LLC | 506 | $28.8K | 0.02% | +506 | New |
| South State Corp. | 461 | $27.8K | 0.00% | −1,539−77.0% | Reduced |
| 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 |
| Roxbury Financial LLC | 423 | $25.5K | 0.02% | 00.0% | Unchanged |
| 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 |
| Palladiem, LLC | 391 | $23.5K | 0.02% | +391 | New |
| Harbor Asset Planning, Inc. | 372 | $22.5K | 0.02% | 00.0% | Unchanged |
| Hantz Financial Services, Inc. | 332 | $20.0K | 0.00% | +332 | New |
| UBS Asset Management Americas Inc | 331 | $20.0K | 0.00% | +331 | New |
| Asset Dedication, LLC | 325 | $19.6K | 0.00% | 00.0% | Unchanged |
| Kingdom Financial Group LLC. | 306 | $18.5K | 0.01% | +306 | New |
| Brown Brothers Harriman & Co | 301 | $18.2K | 0.00% | 00.0% | Unchanged |
| Webster Bank, N. A. | 300 | $18.1K | 0.00% | 00.0% | Unchanged |
| IAG Wealth Partners, LLC | 300 | $18.1K | 0.00% | 00.0% | Unchanged |
| Crewe Advisors LLC | 219 | $13.2K | 0.00% | −1−0.5% | Reduced |
| Bogart Wealth, LLC | 218 | $13.1K | 0.00% | +2+0.9% | Added |
| Alerus Financial NA | 206 | $12.4K | 0.00% | 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 |
| Wolff Wiese Magana LLC | 187 | $11.3K | 0.01% | 00.0% | Unchanged |
| Cornerstone Planning Group LLC | 156 | $10.0K | 0.00% | +156 | New |
| IFC & Insurance Marketing, Inc. | 169 | $10.0K | 0.01% | +169 | New |
| Tidemark, LLC | 150 | $9.06K | 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 |
| JNBA Financial Advisors | 129 | $7.79K | 0.00% | 00.0% | Unchanged |
| Murphy & Mullick Capital Management Corp | 127 | $7.67K | 0.01% | 00.0% | Unchanged |
| West Branch Capital LLC | 125 | $7.55K | 0.00% | 00.0% | Unchanged |
| Safe Harbor Fiduciary, LLC | 120 | $7.25K | 0.01% | +120 | New |