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 |
|---|---|---|---|---|---|
| Kingsview Wealth Management, LLC | 10,044 | $531.9K | 0.01% | +2,507+33.3% | Added |
| Brevan Howard Capital Management LP | 9,891 | $523.8K | 0.01% | −2,495−20.1% | Reduced |
| Fiduciary Group LLC | 9,763 | $517.1K | 0.04% | +2,410+32.8% | Added |
| Diversified Management Inc | 9,739 | $515.8K | 0.09% | +9,739 | New |
| Balboa Wealth Partners | 9,668 | $512.0K | 0.09% | +375+4.0% | Added |
| Krane Funds Advisors LLC | 9,483 | $509.7K | 0.02% | +5,270+125.1% | Added |
| Archer Investment Corp | 9,349 | $495.1K | 0.11% | +8,803+1,612.3% | Added |
| AlTi Global, Inc. | 9,150 | $484.6K | 0.01% | 00.0% | Unchanged |
| Mutual Advisors, LLC | 9,033 | $478.4K | 0.01% | −2,136−19.1% | Reduced |
| Cahill Financial Advisors Inc | 8,928 | $472.8K | 0.05% | −360−3.9% | Reduced |
| Burns Matteson Capital Management, LLC | 8,841 | $468.2K | 0.18% | +14+0.2% | Added |
| Triumph Capital Management | 8,757 | $463.8K | 0.09% | +1,258+16.8% | Added |
| Ameriflex Group, Inc. | 8,695 | $460.5K | 0.23% | +400+4.8% | Added |
| VestGen Advisors, LLC | 8,598 | $455.0K | 0.01% | +8,598 | New |
| Vertex Planning Partners, LLC | 8,583 | $454.6K | 0.09% | 00.0% | Unchanged |
| Stratos Wealth Partners, LTD. | 8,564 | $453.6K | 0.01% | −499−5.5% | Reduced |
| Perigon Wealth Management, LLC | 8,545 | $452.5K | 0.01% | +10.0% | Added |
| BostonPremier Wealth LLC | 8,250 | $436.9K | 0.23% | −1,300−13.6% | Reduced |
| Disciplined Investors, L.L.C. | 8,240 | $436.4K | 0.26% | +90+1.1% | Added |
| Innova Wealth Partners | 8,226 | $435.7K | 0.21% | −21−0.3% | Reduced |
| Maia Wealth LLC | 8,117 | $429.9K | 0.07% | +8,117 | New |
| Sepio Capital, LP | 8,000 | $423.7K | 0.02% | 00.0% | Unchanged |
| Oxford Asset Management LLP | 7,776 | $411.8K | 0.17% | +7,776 | New |
| Jones Financial Companies LLLP | 7,824 | $403.2K | 0.00% | +4+0.1% | Added |
| Argent Trust Co | 7,351 | $389.3K | 0.01% | +106+1.5% | Added |
| Capital Investment Advisory Services, LLC | 7,295 | $386.3K | 0.03% | +133+1.9% | Added |
| Castle Rock Wealth Management, LLC | 7,149 | $376.2K | 0.08% | −29−0.4% | Reduced |
| Schubert & Co | 7,071 | $374.5K | 0.30% | 00.0% | Unchanged |
| Brighton Jones LLC | 6,904 | $365.6K | 0.01% | +6,904 | New |
| Merit Financial Group, LLC | 6,872 | $363.9K | 0.00% | −1,055−13.3% | Reduced |
| Two Sigma Securities, LLC | 6,771 | $358.6K | 0.04% | +2,047+43.3% | Added |
| Integrity Alliance, LLC. | 6,735 | $356.7K | 0.01% | +6,735 | New |
| Strategic Financial Concepts, LLC | 6,664 | $352.9K | 0.09% | +698+11.7% | Added |
| LBMC Investment Advisors, LLC | 6,636 | $351.4K | 0.02% | 00.0% | Unchanged |
| LGT Group Foundation | 6,532 | $345.9K | 0.00% | +6,532 | New |
| FSM Wealth Advisors, LLC | 6,502 | $344.4K | 0.04% | −15−0.2% | Reduced |
| Compass Capital Management, Inc | 6,325 | $335.0K | 0.02% | +6,325 | New |
| VPR Management LLC | 6,274 | $332.3K | 0.13% | +98+1.6% | Added |
| Moors & Cabot, Inc. | 6,215 | $329.1K | 0.01% | 00.0% | Unchanged |
| Csenge Advisory Group | 6,186 | $327.6K | 0.02% | +163+2.7% | Added |
| Sequoia Financial Advisors, LLC | 6,142 | $325.3K | 0.00% | +207+3.5% | Added |
| Citigroup Inc | 6,101 | $323.1K | 0.00% | +4,692+333.0% | Added |
| Glenview Trust Co | 6,100 | $323.1K | 0.01% | 00.0% | Unchanged |
| Iams Wealth Management, LLC | 6,100 | $323.1K | 0.11% | 00.0% | Unchanged |
| RDA Financial Network | 6,093 | $322.7K | 0.08% | 00.0% | Unchanged |
| BWM Planning, LLC | 6,078 | $321.9K | 0.08% | +6,078 | New |
| United Capital Management of KS, Inc. | 6,064 | $321.1K | 0.05% | −702−10.4% | Reduced |
| American National Bank | 6,000 | $317.8K | 0.03% | 00.0% | Unchanged |
| Crestwood Advisors Group LLC | 5,847 | $309.7K | 0.01% | 00.0% | Unchanged |
| Brookstone Capital Management | 5,843 | $309.4K | 0.00% | +362+6.6% | Added |
| Caitong International Asset Management Co., Ltd | 5,731 | $303.5K | 0.06% | +5,688+13,227.9% | Added |
| Stratos Wealth Advisors, LLC | 5,635 | $298.5K | 0.02% | −191−3.3% | Reduced |
| SG Americas Securities, LLC | 5,598 | $296.0K | 0.00% | +5,598 | New |
| United Capital Financial Advisers, LLC | 5,578 | $295.4K | 0.00% | −356−6.0% | Reduced |
| Freedom Financial Partners LLC | 5,577 | $295.3K | 0.11% | +221+4.1% | Added |
| Harbour Investments, Inc. | 5,524 | $292.6K | 0.00% | −3,756−40.5% | Reduced |
| Core Wealth Partners LLC | 5,408 | $286.4K | 0.13% | 00.0% | Unchanged |
| Virtus Investment Advisers, Inc. | 5,380 | $284.9K | 0.08% | −951−15.0% | Reduced |
| Green Square Capital Advisors LLC | 5,326 | $282.1K | 0.03% | 00.0% | Unchanged |
| Harbor Investment Advisory, LLC | 5,290 | $280.2K | 0.02% | 00.0% | Unchanged |
| Whipplewood Advisors, LLC | 5,208 | $275.8K | 0.14% | +5,208 | New |
| Kovack Advisors, Inc. | 5,305 | $275.5K | 0.01% | +4+0.1% | Added |
| Manske Wealth Management | 5,200 | $275.4K | 0.08% | −216−4.0% | Reduced |
| Prime Capital Investment Advisors, LLC | 5,192 | $274.9K | 0.00% | +5,192 | New |
| Thrivent Financial for Lutherans | 5,174 | $274.0K | 0.00% | +5,174 | New |
| Plancorp, LLC | 5,025 | $266.7K | 0.01% | 00.0% | Unchanged |
| Whitener Capital Management, Inc. | 5,033 | $266.6K | 0.06% | −127−2.5% | Reduced |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 5,024 | $266.0K | 0.01% | +1,103+28.1% | Added |
| Wellington Shields Capital Management, LLC | 5,017 | $265.7K | 0.04% | −333−6.2% | Reduced |
| Intrepid Capital Management Inc | 5,000 | $264.8K | 0.10% | 00.0% | Unchanged |
| Oak Harbor Wealth Partners, LLC | 5,000 | $264.8K | 0.06% | 00.0% | Unchanged |
| Mirabella Financial Services LLP | 4,899 | $259.5K | 0.03% | +4,899 | New |
| Brown Advisory Inc | 4,885 | $258.7K | 0.00% | +668+15.8% | Added |
| The PNC Financial Services Group, Inc. | 4,861 | $257.4K | 0.00% | −723−12.9% | Reduced |
| Compton Financial Group, LLC | 4,828 | $255.7K | 0.06% | +4,828 | New |
| US Bancorp | 4,704 | $249.1K | 0.00% | +16+0.3% | Added |
| Warren Averett Asset Management, LLC | 4,650 | $246.3K | 0.00% | +1,108+31.3% | Added |
| Stephens Inc | 4,628 | $245.1K | 0.00% | +8+0.2% | Added |
| Cullen/Frost Bankers, Inc. | 4,602 | $243.7K | 0.00% | +20.0% | Added |
| Destination Wealth Management | 4,494 | $238.0K | 0.01% | +4,494 | New |
| Colonial River Wealth Management, LLC | 4,466 | $236.5K | 0.08% | 00.0% | Unchanged |
| Riverstone Advisors, LLC | 4,408 | $233.4K | 0.12% | +250+6.0% | Added |
| Nabity-Jensen Investment Management Inc | 4,350 | $230.4K | 0.16% | +132+3.1% | Added |
| Accurate Wealth Management, LLC | 4,299 | $228.2K | 0.03% | +51+1.2% | Added |
| Sound View Wealth Advisors Group, LLC | 4,297 | $227.5K | 0.02% | −699−14.0% | Reduced |
| Procyon Private Wealth Partners, LLC | 4,233 | $224.2K | 0.01% | 00.0% | Unchanged |
| United Advisor Group, LLC | 4,200 | $222.4K | 0.03% | −1,150−21.5% | Reduced |
| Argo Wealth Advisory, LLC | 4,182 | $221.5K | 0.13% | 00.0% | Unchanged |
| Hilton Head Capital Partners, LLC | 4,133 | $218.9K | 0.12% | +11+0.3% | Added |
| State of Alaska, Department of Revenue | 4,127 | $218.0K | 0.00% | 00.0% | Unchanged |
| Steel Peak Wealth Management LLC | 4,116 | $218.0K | 0.01% | +4,116 | New |
| Keybank National Association | 4,100 | $217.1K | 0.00% | +4,100 | New |
| Kaizen Financial Strategies | 3,976 | $212.6K | 0.09% | +69+1.8% | Added |
| Matthew Goff Investment Advisor, LLC | 4,000 | $211.8K | 0.04% | 00.0% | Unchanged |
| Turtle Creek Wealth Advisors, LLC | 4,000 | $211.8K | 0.02% | 00.0% | Unchanged |
| CAP Partners, LLC | 3,987 | $211.2K | 0.12% | −23−0.6% | Reduced |
| Plan Group Financial, LLC | 3,949 | $209.1K | 0.05% | +168+4.4% | Added |
| Vise Technologies, Inc. | 3,457 | $208.8K | 0.00% | 00.0% | Unchanged |
| DRW Securities, LLC | 3,938 | $208.6K | 0.01% | +3,938 | New |
| Nisa Investment Advisors, LLC | 3,900 | $206.5K | 0.00% | 00.0% | Unchanged |