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 |
|---|---|---|---|---|---|
| WealthPLAN Partners, LLC | 22,413 | $1.19M | 0.23% | −638−2.8% | Reduced |
| Cerity Partners LLC | 22,870 | $1.21M | 0.00% | +2,234+10.8% | Added |
| Castleview Partners, LLC | 23,680 | $1.25M | 0.64% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 24,255 | $1.28M | 0.00% | −4,798−16.5% | Reduced |
| Widmann Financial Services, Inc. | 24,329 | $1.29M | 0.77% | −21−0.1% | Reduced |
| DnB Asset Management AS | 24,629 | $1.30M | 0.00% | −12,447−33.6% | Reduced |
| Manufacturers Life Insurance Company, The | 24,890 | $1.32M | 0.00% | +2,467+11.0% | Added |
| Bokf, NA | 25,000 | $1.32M | 0.02% | 00.0% | Unchanged |
| National Asset Management, Inc. | 26,756 | $1.38M | 0.09% | −1,103−4.0% | Reduced |
| AE Wealth Management LLC | 26,289 | $1.39M | 0.01% | +10,856+70.3% | Added |
| LGT Fund Management Co Ltd. | 27,752 | $1.47M | 0.06% | +27,752 | New |
| Toroso Investments, LLC | 27,840 | $1.47M | 0.00% | +9,396+50.9% | Added |
| Legacy Capital Wealth Partners, LLC | 28,752 | $1.52M | 0.31% | +1,166+4.2% | Added |
| Dearborn Partners LLC | 28,832 | $1.53M | 0.08% | −540−1.8% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 29,238 | $1.55M | 0.00% | +505+1.8% | Added |
| Lido Advisors, LLC | 29,380 | $1.56M | 0.01% | +16,860+134.7% | Added |
| Citadel Advisors LLC | 29,942 | $1.59M | 0.00% | −6,926−18.8% | Reduced |
| Magnetar Financial LLC | 33,000 | $1.75M | 0.02% | +27,075+457.0% | Added |
| Arkadios Wealth Advisors | 33,747 | $1.79M | 0.03% | +1,199+3.7% | Added |
| Virtu Financial LLC | 34,214 | $1.81M | 0.08% | +34,214 | New |
| Sigma Planning Corp | 35,492 | $1.88M | 0.05% | −1,148−3.1% | Reduced |
| Coldstream Capital Management Inc | 35,626 | $1.89M | 0.02% | −460−1.3% | Reduced |
| Advisory Services Network, LLC | 35,793 | $1.90M | 0.03% | −1,377−3.7% | Reduced |
| Sharpepoint LLC | 36,203 | $1.92M | 1.14% | +5,242+16.9% | Added |
| Entropy Technologies, LP | 37,089 | $1.96M | 0.09% | +37,089 | New |
| Gsa Capital Partners LLP | 37,370 | $1.98M | 0.12% | +20,611+123.0% | Added |
| Foundations Investment Advisors, LLC | 38,524 | $2.04M | 0.03% | +925+2.5% | Added |
| Blair William & Co | 39,040 | $2.07M | 0.01% | +244+0.6% | Added |
| CWM, LLC | 39,814 | $2.11M | 0.01% | −11,060−21.7% | Reduced |
| Neuberger Berman Group LLC | 40,860 | $2.16M | 0.00% | +40,860 | New |
| GWM Advisors LLC | 41,143 | $2.18M | 0.01% | +34,823+551.0% | Added |
| Geneos Wealth Management Inc. | 41,575 | $2.20M | 0.05% | +6,414+18.2% | Added |
| King Luther Capital Management Corp | 42,410 | $2.25M | 0.01% | 00.0% | Unchanged |
| Focus Financial Network, Inc. | 42,819 | $2.27M | 0.08% | +4,021+10.4% | Added |
| Schonfeld Strategic Advisors LLC | 43,032 | $2.28M | 0.02% | +43,032 | New |
| First Financial Bankshares Inc | 43,541 | $2.31M | 0.05% | +2,563+6.3% | Added |
| Bank of New York Mellon Corp | 44,347 | $2.35M | 0.00% | +3,209+7.8% | Added |
| Barclays PLC | 44,536 | $2.36M | 0.00% | +44,528+556,600.0% | Added |
| Capital Investment Advisors, LLC | 46,109 | $2.44M | 0.04% | −3,825−7.7% | Reduced |
| Russell Investments Group, Ltd. | 47,843 | $2.53M | 0.00% | +47,061+6,018.0% | Added |
| Vestor Capital, LLC | 48,400 | $2.56M | 0.19% | +47,118+3,675.4% | Added |
| Prospera Financial Services Inc | 49,161 | $2.61M | 0.04% | +932+1.9% | Added |
| Taylor Frigon Capital Management LLC | 50,079 | $2.65M | 1.51% | −3,072−5.8% | Reduced |
| M&T Bank Corp | 51,400 | $2.72M | 0.01% | +220.0% | Added |
| Beacon Pointe Advisors, LLC | 51,575 | $2.73M | 0.01% | −3,701−6.7% | Reduced |
| Rockefeller Capital Management L.P. | 52,534 | $2.78M | 0.00% | −2,043−3.7% | Reduced |
| Susquehanna Fundamental Investments, LLC | 53,758 | $2.85M | 0.11% | −22,681−29.7% | Reduced |
| Midwest Professional Planners, LTD. | 54,385 | $2.88M | 0.68% | +2,459+4.7% | Added |
| Kestra Advisory Services, LLC | 57,595 | $3.05M | 0.01% | −629−1.1% | Reduced |
| Fund Advisors of America Inc | 57,875 | $3.07M | 3.11% | +2,030+3.6% | Added |
| IHT Wealth Management, LLC | 58,056 | $3.07M | 0.07% | +1,369+2.4% | Added |
| Mariner, LLC | 59,833 | $3.17M | 0.00% | +24,223+68.0% | Added |
| Larson Financial Group LLC | 60,400 | $3.20M | 0.10% | +2,120+3.6% | Added |
| Pembroke Management, LTD | 64,937 | $3.44M | 0.50% | +408+0.6% | Added |
| Baker Avenue Asset Management, LP | 66,206 | $3.51M | 0.08% | +3,150+5.0% | Added |
| FJ Capital Management LLC | 67,667 | $3.58M | 0.40% | +67,667 | New |
| Commonwealth Equity Services, LLC | 69,522 | $3.68M | 0.01% | −1,301−1.8% | Reduced |
| Morgan Dempsey Capital Management LLC | 71,559 | $3.79M | 1.73% | −1,867−2.5% | Reduced |
| Point72 Asset Management, L.P. | 72,144 | $3.82M | 0.01% | +72,144 | New |
| Cetera Investment Advisers | 72,310 | $3.83M | 0.00% | −2,320−3.1% | Reduced |
| Tudor Investment Corp Et Al | 72,930 | $3.86M | 0.02% | −165,934−69.5% | Reduced |
| Engineers Gate Manager LP | 73,242 | $3.88M | 0.05% | +42,611+139.1% | Added |
| Texas Yale Capital Corp. | 79,553 | $4.21M | 0.12% | −850−1.1% | Reduced |
| Creative Planning | 82,247 | $4.36M | 0.00% | +4,780+6.2% | Added |
| Naviter Wealth, LLC | 84,990 | $4.50M | 0.56% | +11,022+14.9% | Added |
| Albion Financial Group | 86,932 | $4.60M | 0.30% | +120+0.1% | Added |
| CoreCap Advisors, LLC | 86,935 | $4.60M | 0.16% | +11,436+15.1% | Added |
| Quantbot Technologies LP | 88,742 | $4.70M | 0.19% | +41,061+86.1% | Added |
| Confluence Investment Management LLC | 90,958 | $4.82M | 0.07% | −6,125−6.3% | Reduced |
| BNP Paribas Arbitrage, SA | 92,205 | $4.88M | 0.00% | −5,730−5.9% | Reduced |
| First Trust Advisors LP | 94,492 | $5.00M | 0.00% | −61,444−39.4% | Reduced |
| HighTower Advisors, LLC | 95,585 | $5.06M | 0.01% | +1,177+1.2% | Added |
| Bank of America Corp | 97,631 | $5.17M | 0.00% | −3,732−3.7% | Reduced |
| Great West Life Assurance Co | 97,605 | $5.19M | 0.01% | +73,861+311.1% | Added |
| Meridian Wealth Management, LLC | 101,197 | $5.36M | 0.19% | +2,912+3.0% | Added |
| Denali Advisors LLC | 101,485 | $5.37M | 0.60% | −4,815−4.5% | Reduced |
| Integrated Wealth Concepts LLC | 103,138 | $5.46M | 0.04% | +4,313+4.4% | Added |
| Wells Fargo & Company | 103,723 | $5.49M | 0.00% | +3,449+3.4% | Added |
| J.W. Cole Advisors, Inc. | 106,862 | $5.66M | 0.19% | −1,654−1.5% | Reduced |
| State Street Corp | 110,688 | $5.86M | 0.00% | +110,688 | New |
| Advisors Asset Management, Inc. | 111,220 | $5.89M | 0.10% | −768−0.7% | Reduced |
| Segment Wealth Management, LLC | 113,034 | $5.99M | 0.35% | −7,209−6.0% | Reduced |
| Hamilton Point Investment Advisors, LLC | 113,635 | $6.02M | 0.93% | −370−0.3% | Reduced |
| We Are One Seven, LLC | 114,996 | $6.09M | 0.12% | +19,926+21.0% | Added |
| Sound Income Strategies, LLC | 118,152 | $6.13M | 0.30% | −217,879−64.8% | Reduced |
| Balyasny Asset Management LLC | 120,007 | $6.36M | 0.01% | +6,631+5.8% | Added |
| Hourglass Capital, LLC | 123,550 | $6.54M | 1.36% | −1,310−1.0% | Reduced |
| Ameriprise Financial Inc | 126,948 | $6.74M | 0.00% | −26,641−17.3% | Reduced |
| Envestnet Asset Management Inc | 127,331 | $6.74M | 0.00% | +79,691+167.3% | Added |
| TCTC Holdings, LLC | 128,991 | $6.83M | 0.19% | +2,200+1.7% | Added |
| Joel Isaacson & Co., LLC | 129,007 | $6.83M | 0.23% | +176+0.1% | Added |
| Bridgelight Financial Advisors, Inc. | 136,603 | $7.23M | 6.13% | +1,504+1.1% | Added |
| U.S. Capital Wealth Advisors, LLC | 139,128 | $7.37M | 0.19% | +338+0.2% | Added |
| Trexquant Investment LP | 142,490 | $7.55M | 0.05% | +123,909+666.9% | Added |
| Cambridge Investment Research Advisors, Inc. | 144,946 | $7.68M | 0.02% | −3,293−2.2% | Reduced |
| Royal Bank of Canada | 151,196 | $8.01M | 0.00% | +1,713+1.1% | Added |
| Benjamin Edwards Inc | 153,623 | $8.14M | 0.08% | −3,229−2.1% | Reduced |
| JPMorgan Chase & Co | 167,892 | $8.67M | 0.00% | −53,282−24.1% | Reduced |
| Advisor Group Holdings, Inc. | 169,695 | $8.99M | 0.01% | −1,033−0.6% | Reduced |
| Private Advisor Group, LLC | 170,310 | $9.02M | 0.04% | −2,914−1.7% | Reduced |