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, Q1 2026
Institutional positions in Main Street Capital CORP as of Mar 31, 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
- 423
- 0 vs. Q4 2025
- Shares held
- 23.4M
- +2.63M (+12.7%) vs. Q4 2025
- Total value
- $1.24B
- −$18.1M (−1.4%) vs. Q4 2025
- New holders
- 57
- 170 more added
- Sold out
- 57
- 107 more reduced
8 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding Main Street Capital CORP; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Ausdal Financial Partners, Inc. | 3,890 | $206.0K | 0.01% | +482+14.1% | Added |
| Cookson Peirce & Co Inc | 3,875 | $205.2K | 0.01% | +35+0.9% | Added |
| Farther Finance Advisors, LLC | 3,897 | $202.3K | 0.00% | +965+32.9% | Added |
| Wesbanco Bank Inc | 3,791 | $200.8K | 0.01% | −502−11.7% | Reduced |
| SHP Wealth Management | 3,775 | $199.9K | 0.02% | −2−0.1% | Reduced |
| Northwestern Mutual Wealth Management Co | 3,699 | $195.9K | 0.00% | −441−10.7% | Reduced |
| Heritage Wealth Advisors | 3,600 | $190.7K | 0.01% | 00.0% | Unchanged |
| Sunbelt Securities, Inc. | 3,462 | $183.4K | 0.01% | +5+0.1% | Added |
| Global Assets Advisory, LLC | 3,209 | $170.0K | 0.05% | +3,209 | New |
| Titiun Yejiel | 3,000 | $158.9K | 0.16% | 00.0% | Unchanged |
| Centaurus Financial, Inc. | 2,973 | $157.0K | 0.01% | +1,301+77.8% | Added |
| SOA Wealth Advisors, LLC. | 2,881 | $152.6K | 0.03% | +38+1.3% | Added |
| Union Bancaire Privee, UBP SA | 2,942 | $152.0K | 0.00% | −9,741−76.8% | Reduced |
| HHM Wealth Advisors, LLC | 2,785 | $147.5K | 0.02% | −100−3.5% | Reduced |
| Wellington Shields & Co., LLC | 2,520 | $133.5K | 0.03% | 00.0% | Unchanged |
| Register Financial Advisors LLC | 2,443 | $129.4K | 0.05% | 00.0% | Unchanged |
| Colonial Trust Co | 2,415 | $127.9K | 0.02% | 00.0% | Unchanged |
| Central Trust Co | 2,400 | $127.1K | 0.00% | +2,400 | New |
| Signaturefd, LLC | 2,285 | $121.0K | 0.00% | +466+25.6% | Added |
| Cassaday & Co Wealth Management LLC | 2,225 | $117.8K | 0.00% | +2,225 | New |
| Parallel Advisors, LLC | 2,176 | $115.2K | 0.00% | +70+3.3% | Added |
| Vaughan Nelson Investment Management, L.P. | 2,025 | $107.2K | 0.00% | −450−18.2% | Reduced |
| National Bank of Canada | 1,995 | $105.6K | 0.00% | −95−4.5% | Reduced |
| AdvisorNet Financial, Inc | 1,985 | $105.1K | 0.01% | −770−27.9% | Reduced |
| Private Trust Co NA | 1,869 | $99.0K | 0.01% | 00.0% | Unchanged |
| Atlantic Union Bankshares Corp | 1,765 | $93.5K | 0.00% | −182−9.3% | Reduced |
| Bayban | 1,612 | $85.4K | 0.07% | 00.0% | Unchanged |
| Kathmere Capital Management, LLC | 1,564 | $82.8K | 0.01% | +1,564 | New |
| Leonteq Securities AG | 1,500 | $79.4K | 0.00% | −1,000−40.0% | Reduced |
| IFP Advisors, Inc | 1,461 | $77.4K | 0.00% | +22+1.5% | Added |
| Assetmark, Inc | 1,450 | $76.8K | 0.00% | +696+92.3% | Added |
| Tower Research Capital LLC (TRC) | 1,431 | $75.8K | 0.00% | +722+101.8% | Added |
| Purpose Unlimited Inc. | 1,403 | $72.5K | 0.00% | +1,403 | New |
| Princeton Global Asset Management LLC | 1,289 | $68.3K | 0.01% | 00.0% | Unchanged |
| Chelsea Counsel Co | 1,280 | $67.8K | 0.03% | 00.0% | Unchanged |
| State of Wyoming | 1,233 | $65.3K | 0.01% | +1,233 | New |
| Armstrong Advisory Group, Inc | 1,203 | $63.7K | 0.00% | −934−43.7% | Reduced |
| Financial Management Professionals, Inc. | 1,185 | $62.7K | 0.01% | +5+0.4% | Added |
| Sunrise Financial Services, LLC | 1,152 | $61.0K | 0.04% | +520+82.3% | Added |
| Washington Trust Advisors, Inc. | 1,129 | $59.8K | 0.00% | 00.0% | Unchanged |
| Fifth Third Bancorp | 1,075 | $56.9K | 0.00% | +1,075 | New |
| Winch Advisory Services, LLC | 1,070 | $56.7K | 0.01% | +18+1.7% | Added |
| Umb Bank N A | 1,034 | $54.8K | 0.00% | 00.0% | Unchanged |
| NBC Securities, Inc. | 1,005 | $53.3K | 0.00% | +13+1.3% | Added |
| Sankala Group LLC | 1,009 | $53.0K | 0.04% | +503+99.4% | Added |
| Bryn Mawr Trust Co | 1,000 | $53.0K | 0.00% | 00.0% | Unchanged |
| Avion Wealth | 1,000 | $52.0K | 0.01% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 972 | $51.5K | 0.00% | +17+1.8% | Added |
| UBS Asset Management Americas Inc | 871 | $46.1K | 0.00% | +540+163.1% | Added |
| Colonial Trust Advisors | 866 | $45.9K | 0.00% | +16+1.9% | Added |
| Capital Advisors, Ltd. LLC | 750 | $40.0K | 0.00% | 00.0% | Unchanged |
| Financial Network Wealth Advisors LLC | 718 | $38.0K | 0.04% | +10+1.4% | Added |
| Hazlett, Burt & Watson, Inc. | 700 | $37.0K | 0.01% | 00.0% | Unchanged |
| Prestige Wealth Management Group LLC | 650 | $34.4K | 0.01% | 00.0% | Unchanged |
| Root Financial Partners, LLC | 650 | $34.4K | 0.00% | 00.0% | Unchanged |
| Steigerwald, Gordon & Koch Inc. | 600 | $31.8K | 0.00% | 00.0% | Unchanged |
| Quest 10 Wealth Builders, Inc. | 600 | $31.8K | 0.03% | +200+50.0% | Added |
| Key Capital Management, INC | 577 | $30.6K | 0.02% | −254−30.6% | Reduced |
| Truvestments Capital LLC | 577 | $30.6K | 0.01% | −196−25.4% | Reduced |
| Gilpin Wealth Management, LLC | 520 | $27.5K | 0.02% | 00.0% | Unchanged |
| Quarry LP | 510 | $27.0K | 0.01% | +510 | New |
| Brown Brothers Harriman & Co | 501 | $26.5K | 0.00% | +200+66.4% | Added |
| Asset Planning,Inc | 500 | $26.5K | 0.02% | 00.0% | Unchanged |
| Smithfield Trust Co | 500 | $26.0K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 480 | $25.4K | 0.00% | −1,243−72.1% | Reduced |
| South State Corp. | 461 | $24.4K | 0.00% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 460 | $24.4K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 454 | $24.0K | 0.00% | +454 | New |
| Roxbury Financial LLC | 423 | $22.4K | 0.02% | 00.0% | Unchanged |
| Wealth Preservation Advisors, LLC | 400 | $21.2K | 0.02% | 00.0% | Unchanged |
| Peterson Wealth Management | 400 | $21.2K | 0.01% | +400 | New |
| Palladiem, LLC | 391 | $20.9K | 0.02% | 00.0% | Unchanged |
| Harbor Asset Planning, Inc. | 372 | $19.7K | 0.02% | 00.0% | Unchanged |
| Spire Wealth Management | 334 | $17.7K | 0.00% | −582−63.5% | Reduced |
| Asset Dedication, LLC | 325 | $17.2K | 0.00% | 00.0% | Unchanged |
| Kingdom Financial Group LLC. | 312 | $16.5K | 0.00% | +6+2.0% | Added |
| Lloyd Advisory Services, LLC. | 312 | $16.5K | 0.00% | +312 | New |
| Manchester Capital Management LLC | 300 | $15.9K | 0.00% | −296−49.7% | Reduced |
| Webster Bank, N. A. | 300 | $15.9K | 0.00% | 00.0% | Unchanged |
| IAG Wealth Partners, LLC | 300 | $15.9K | 0.00% | 00.0% | Unchanged |
| Innovative Asset Advisors Group, LLC | 300 | $15.9K | 0.01% | +300 | New |
| Salem Investment Counselors Inc | 275 | $14.6K | 0.00% | +275 | New |
| FMR LLC | 258 | $13.7K | 0.00% | +241+1,417.6% | Added |
| Bogart Wealth, LLC | 219 | $11.6K | 0.00% | +1+0.5% | Added |
| Crewe Advisors LLC | 219 | $11.6K | 0.00% | 00.0% | Unchanged |
| RWM Asset Management, LLC | 218 | $11.5K | 0.00% | +218 | New |
| Alerus Financial NA | 206 | $10.9K | 0.00% | 00.0% | Unchanged |
| Hollencrest Capital Management | 200 | $10.6K | 0.00% | 00.0% | Unchanged |
| Lavaca Capital LLC | 200 | $10.6K | 0.00% | 00.0% | Unchanged |
| Wolff Wiese Magana LLC | 187 | $9.90K | 0.01% | 00.0% | Unchanged |
| Keating Financial Advisory Services, Inc. | 185 | $9.80K | 0.00% | −1,149−86.1% | Reduced |
| Quadrant Capital Group LLC | 155 | $8.21K | 0.00% | +108+229.8% | Added |
| Tidemark, LLC | 150 | $7.94K | 0.00% | 00.0% | Unchanged |
| JPL Wealth Management, LLC | 150 | $7.94K | 0.00% | +150 | New |
| Ankerstar Wealth, LLC | 139 | $7.36K | 0.01% | 00.0% | Unchanged |
| McGuire Capital Advisors Inc | 139 | $7.36K | 0.00% | 00.0% | Unchanged |
| JNBA Financial Advisors | 129 | $6.83K | 0.00% | 00.0% | Unchanged |
| Murphy & Mullick Capital Management Corp | 127 | $6.73K | 0.00% | 00.0% | Unchanged |
| West Branch Capital LLC | 125 | $6.62K | 0.00% | 00.0% | Unchanged |
| International Assets Investment Management, LLC | 115 | $5.97K | 0.00% | +115 | New |