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 |
|---|---|---|---|---|---|
| Oxford Asset Management LLP | 7,776 | $411.8K | 0.17% | +7,776 | New |
| Sepio Capital, LP | 8,000 | $423.7K | 0.02% | 00.0% | Unchanged |
| Maia Wealth LLC | 8,117 | $429.9K | 0.07% | +8,117 | New |
| Innova Wealth Partners | 8,226 | $435.7K | 0.21% | −21−0.3% | Reduced |
| Disciplined Investors, L.L.C. | 8,240 | $436.4K | 0.26% | +90+1.1% | Added |
| BostonPremier Wealth LLC | 8,250 | $436.9K | 0.23% | −1,300−13.6% | Reduced |
| Perigon Wealth Management, LLC | 8,545 | $452.5K | 0.01% | +10.0% | Added |
| Stratos Wealth Partners, LTD. | 8,564 | $453.6K | 0.01% | −499−5.5% | Reduced |
| Vertex Planning Partners, LLC | 8,583 | $454.6K | 0.09% | 00.0% | Unchanged |
| VestGen Advisors, LLC | 8,598 | $455.0K | 0.01% | +8,598 | New |
| Ameriflex Group, Inc. | 8,695 | $460.5K | 0.23% | +400+4.8% | Added |
| Triumph Capital Management | 8,757 | $463.8K | 0.09% | +1,258+16.8% | Added |
| Burns Matteson Capital Management, LLC | 8,841 | $468.2K | 0.18% | +14+0.2% | Added |
| Cahill Financial Advisors Inc | 8,928 | $472.8K | 0.05% | −360−3.9% | Reduced |
| Mutual Advisors, LLC | 9,033 | $478.4K | 0.01% | −2,136−19.1% | Reduced |
| AlTi Global, Inc. | 9,150 | $484.6K | 0.01% | 00.0% | Unchanged |
| Archer Investment Corp | 9,349 | $495.1K | 0.11% | +8,803+1,612.3% | Added |
| Krane Funds Advisors LLC | 9,483 | $509.7K | 0.02% | +5,270+125.1% | Added |
| Balboa Wealth Partners | 9,668 | $512.0K | 0.09% | +375+4.0% | Added |
| Diversified Management Inc | 9,739 | $515.8K | 0.09% | +9,739 | New |
| Fiduciary Group LLC | 9,763 | $517.1K | 0.04% | +2,410+32.8% | Added |
| Brevan Howard Capital Management LP | 9,891 | $523.8K | 0.01% | −2,495−20.1% | Reduced |
| Kingsview Wealth Management, LLC | 10,044 | $531.9K | 0.01% | +2,507+33.3% | Added |
| Atria Investments LLC | 10,088 | $534.3K | 0.01% | −2,732−21.3% | Reduced |
| Icon Wealth Advisors, LLC | 10,000 | $537.5K | 0.03% | +900+9.9% | Added |
| Bartlett & Co. Wealth Management LLC | 9,700 | $540.9K | 0.01% | +1,300+15.5% | Added |
| Capital Performance Advisors LLP | 10,516 | $556.9K | 0.04% | 00.0% | Unchanged |
| Newbridge Financial Services Group, Inc. | 10,798 | $571.9K | 0.09% | +149+1.4% | Added |
| Greenland Capital Management LP | 10,800 | $572.0K | 0.11% | +4,300+66.2% | Added |
| Carnegie Capital Asset Management, LLC | 10,851 | $574.7K | 0.01% | +10,851 | New |
| Colony Group, LLC | 10,853 | $574.8K | 0.00% | +810+8.1% | Added |
| Virtue Capital Management, LLC | 11,758 | $607.3K | 0.09% | +227+2.0% | Added |
| Guggenheim Capital LLC | 11,680 | $618.6K | 0.00% | −423−3.5% | Reduced |
| Truist Financial Corp | 11,753 | $622.5K | 0.00% | +177+1.5% | Added |
| Inscription Capital, LLC | 11,813 | $625.6K | 0.07% | +14+0.1% | Added |
| JustInvest LLC | 11,885 | $629.4K | 0.01% | +1,404+13.4% | Added |
| AlphaCore Capital LLC | 12,005 | $635.8K | 0.02% | +12,005 | New |
| Westbourne Investment Advisors, Inc. | 12,100 | $640.8K | 0.19% | 00.0% | Unchanged |
| Catalyst Capital Advisors LLC | 12,128 | $642.3K | 0.01% | 00.0% | Unchanged |
| Concurrent Investment Advisors, LLC | 12,496 | $661.8K | 0.01% | +658+5.6% | Added |
| Mercer Global Advisors Inc | 12,526 | $663.4K | 0.00% | −1,058−7.8% | Reduced |
| Fieldview Capital Management, LLC | 12,526 | $663.4K | 0.19% | +12,526 | New |
| Cordoba Advisory Partners LLC | 12,582 | $665.7K | 0.18% | +336+2.7% | Added |
| D.B. Root & Company, LLC | 12,688 | $672.0K | 0.16% | −17−0.1% | Reduced |
| RMR Wealth Builders | 12,712 | $673.2K | 0.05% | −209−1.6% | Reduced |
| Susquehanna International Group, LLP | 12,728 | $674.1K | 0.00% | −31,843−71.4% | Reduced |
| PFG Investments, LLC | 12,819 | $678.9K | 0.03% | −67−0.5% | Reduced |
| Tradition Wealth Management, LLC | 12,849 | $680.5K | 0.05% | +167+1.3% | Added |
| Smartleaf Asset Management LLC | 13,361 | $690.1K | 0.02% | +42+0.3% | Added |
| Eagle Global Advisors LLC | 13,395 | $709.4K | 0.03% | −7,880−37.0% | Reduced |
| HB Wealth Management, LLC | 13,408 | $710.1K | 0.00% | +951+7.6% | Added |
| Wiley Bros.-Aintree Capital, LLC | 13,483 | $710.9K | 0.00% | +9,711+257.4% | Added |
| Mindset Wealth Management, LLC | 13,811 | $731.4K | 0.20% | +932+7.2% | Added |
| Allworth Financial LP | 13,823 | $732.1K | 0.00% | −348−2.5% | Reduced |
| Empowered Funds, LLC | 13,880 | $735.1K | 0.00% | +165+1.2% | Added |
| MAI Capital Management | 13,998 | $741.3K | 0.00% | +265+1.9% | Added |
| Financial Security Advisor, Inc. | 14,021 | $742.5K | 0.14% | +27+0.2% | Added |
| WCG Wealth Advisors LLC | 14,095 | $746.5K | 0.02% | −1,375−8.9% | Reduced |
| Equitable Holdings, Inc. | 12,512 | $755.4K | 0.00% | +2,125+20.5% | Added |
| NewEdge Wealth, LLC | 14,584 | $772.4K | 0.01% | 00.0% | Unchanged |
| Independent Financial Group, LLC | 14,687 | $777.8K | 0.02% | −1,812−11.0% | Reduced |
| Belpointe Asset Management LLC | 15,095 | $799.4K | 0.03% | +65+0.4% | Added |
| Fortis Capital Advisors, LLC | 15,095 | $799.4K | 0.10% | +65+0.4% | Added |
| Stifel Financial Corp | 15,195 | $804.7K | 0.00% | +2,567+20.3% | Added |
| CI Private Wealth, LLC | 15,299 | $810.2K | 0.00% | −875,162−98.3% | Reduced |
| Golden State Equity Partners | 15,305 | $810.6K | 0.06% | +7,617+99.1% | Added |
| Venturi Wealth Management, LLC | 15,583 | $825.3K | 0.04% | 00.0% | Unchanged |
| Janney Montgomery Scott LLC | 15,907 | $842.0K | 0.00% | −2,010−11.2% | Reduced |
| XTX Topco Ltd | 15,937 | $844.0K | 0.01% | −45,579−74.1% | Reduced |
| Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors | 16,159 | $855.8K | 0.10% | +170+1.1% | Added |
| ProShare Advisors LLC | 16,524 | $875.1K | 0.00% | +112+0.7% | Added |
| Nations Financial Group Inc, | 16,645 | $881.6K | 0.05% | +1,102+7.1% | Added |
| Chilton Capital Management LLC | 16,717 | $885.3K | 0.03% | 00.0% | Unchanged |
| Delta Investment Management, LLC | 16,781 | $888.7K | 0.16% | +1,178+7.5% | Added |
| Aquatic Capital Management LLC | 16,814 | $890.5K | 0.03% | −10,965−39.5% | Reduced |
| Advisory Advocates, LLC | 17,018 | $901.3K | 0.92% | −577−3.3% | Reduced |
| Ronald Blue Trust, Inc. | 17,163 | $909.0K | 0.01% | −125−0.7% | Reduced |
| Sanctuary Advisors, LLC | 17,340 | $918.3K | 0.00% | +675+4.1% | Added |
| AQR Capital Management LLC | 17,348 | $918.8K | 0.00% | +17,348 | New |
| Uncommon Cents Investing LLC | 17,352 | $919.0K | 0.21% | +375+2.2% | Added |
| Signature Equity Partners, LLC | 17,463 | $924.8K | 0.50% | +7,939+83.4% | Added |
| Steward Partners Investment Advisory, LLC | 17,469 | $925.2K | 0.00% | −785−4.3% | Reduced |
| Captrust Financial Advisors | 17,701 | $937.5K | 0.00% | +1,608+10.0% | Added |
| MML Investors Services, LLC | 17,841 | $944.9K | 0.00% | −1,153−6.1% | Reduced |
| Callahan Advisors, LLC | 18,509 | $980.2K | 0.08% | +619+3.5% | Added |
| Wealth Enhancement Advisory Services, LLC | 18,735 | $986.0K | 0.00% | −12,625−40.3% | Reduced |
| SMH Capital Advisors Inc | 18,886 | $1.00M | 2.83% | +20.0% | Added |
| Quantinno Capital Management LP | 18,982 | $1.01M | 0.00% | +18,982 | New |
| Natixis | 19,425 | $1.03M | 0.00% | 00.0% | Unchanged |
| Baird Financial Group, Inc. | 19,523 | $1.03M | 0.00% | −609−3.0% | Reduced |
| TCG Advisory Services, LLC | 19,821 | $1.05M | 0.03% | −8,677−30.4% | Reduced |
| Savvy Advisors, Inc. | 20,350 | $1.08M | 0.03% | +2,273+12.6% | Added |
| Simon Quick Advisors, LLC | 20,529 | $1.09M | 0.05% | −21−0.1% | Reduced |
| Milestone Asset Management, LLC | 20,685 | $1.10M | 0.20% | +4,813+30.3% | Added |
| Generali Investments CEE, investicni spolecnost, a.s. | 20,785 | $1.10M | 0.06% | 00.0% | Unchanged |
| Credit Agricole S A | 21,312 | $1.13M | 0.00% | +379+1.8% | Added |
| Strategy Asset Managers LLC | 21,494 | $1.14M | 0.19% | +21,494 | New |
| Clear Trail Advisors, LLC | 21,624 | $1.15M | 0.19% | +21,624 | New |
| Arete Wealth Advisors, LLC | 21,664 | $1.15M | 0.09% | +1,234+6.0% | Added |
| Mackenzie Financial Corp | 21,801 | $1.15M | 0.00% | +2,283+11.7% | Added |