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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 2023

Institutional positions in Main Street Capital CORP as of Mar 31, 2023. 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
273
+8 vs. Q4 2022
Shares held
15.7M
+125.5K (+0.8%) vs. Q4 2022
Total value
$617.8M
+$47.7M (+8.4%) vs. Q4 2022
New holders
36
110 more added
Sold out
28
72 more reduced

8 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2022: 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.

Institutional holdersQ1 2023: 273 institutions
Q1 2021: 230 institutionsQ2 2021: 228 institutionsQ3 2021: 236 institutionsQ4 2021: 257 institutionsQ1 2022: 256 institutionsQ2 2022: 244 institutionsQ3 2022: 248 institutionsQ4 2022: 273 institutionsQ1 2023: 273 institutionsQ2 2023: 289 institutionsQ3 2023: 292 institutionsQ4 2023: 313 institutionsQ1 2024: 326 institutionsQ2 2024: 340 institutionsQ3 2024: 354 institutionsQ4 2024: 401 institutionsQ1 2025: 393 institutionsQ2 2025: 405 institutionsQ3 2025: 408 institutionsQ4 2025: 431 institutionsQ1 2026: 423 institutionsQ2 2026: 401 institutions
Value heldQ1 2023: $617.8M
Q1 2021: $511.5MQ2 2021: $488.5MQ3 2021: $508.1MQ4 2021: $558.7MQ1 2022: $546.5MQ2 2022: $533.6MQ3 2022: $491.5MQ4 2022: $571.7MQ1 2023: $617.8MQ2 2023: $660.3MQ3 2023: $716.5MQ4 2023: $752.3MQ1 2024: $804.4MQ2 2024: $869.4MQ3 2024: $931.0MQ4 2024: $1.10BQ1 2025: $1.07BQ2 2025: $1.17BQ3 2025: $1.27BQ4 2025: $1.26BQ1 2026: $1.24BQ2 2026: $1.18B
Institutions holding MAIN and their total value by quarter
QuarterHoldersValue
Q2 2026401$1.18B
Q1 2026423$1.24B
Q4 2025431$1.26B
Q3 2025408$1.27B
Q2 2025405$1.17B
Q1 2025393$1.07B
Q4 2024401$1.10B
Q3 2024354$931.0M
Q2 2024340$869.4M
Q1 2024326$804.4M
Q4 2023313$752.3M
Q3 2023292$716.5M
Q2 2023289$660.3M
Q1 2023273$617.8M
Q4 2022273$571.7M
Q3 2022248$491.5M
Q2 2022244$533.6M
Q1 2022256$546.5M
Q4 2021257$558.7M
Q3 2021236$508.1M
Q2 2021228$488.5M
Q1 2021230$511.5M

Institutions, Q1 2023

Shares, value and share of portfolio for each institution holding Main Street Capital CORP; share changes are against Q4 2022.

Institutions holding MAIN in Q1 2023
InstitutionSharesValue% of portfolioChange in sharesAction
Huntington National Bank1$390.00%00.0%Unchanged
Creative Financial Designs Inc2$700.00%00.0%Unchanged
Deutsche Bank AG3$1180.00%−4−57.1%Reduced
Delta Asset Management LLC4$1580.00%00.0%Unchanged
Assetmark, Inc8$3160.00%+8New
Moisand Fitzgerald Tamayo, LLC50$1.97K0.00%00.0%Unchanged
SJS Investment Consulting Inc.59$2.32K0.00%+1+1.7%Added
Covestor Ltd65$3.00K0.00%−17−20.7%Reduced
HHM Wealth Advisors, LLC85$3.35K0.00%00.0%Unchanged
Proequities, Inc.100$3.95K0.00%−425−81.0%Reduced
Cape Investment Advisory, Inc.100$3.95K0.00%+100New
Tower Research Capital LLC (TRC)91$4.00K0.00%−1,566−94.5%Reduced
Founders Capital Management100$4.00K0.00%00.0%Unchanged
Oliver Lagore Vanvalin Investment Group104$4.09K0.00%+2+2.0%Added
Key Financial Inc106$4.18K0.00%00.0%Unchanged
West Branch Capital LLC125$4.93K0.00%00.0%Unchanged
Retirement Group, LLC120$5.00K0.00%+120New
Tanglewood Legacy Advisors, LLC135$5.33K0.00%00.0%Unchanged
Kistler-Tiffany Companies, LLC160$6.31K0.00%00.0%Unchanged
Stephens Consulting, LLC179$7.06K0.00%+179New
Central Trust Co200$7.89K0.00%00.0%Unchanged
First Manhattan Co200$7.89K0.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec200$7.89K0.00%+200New
Bogart Wealth, LLC207$8.17K0.00%00.0%Unchanged
Archer Investment Corp210$8.31K0.00%+2+1.0%Added
Colonial Trust Co230$9.08K0.00%+70+43.8%Added
Lindbrook Capital, LLC289$11.4K0.00%00.0%Unchanged
FMR LLC293$11.6K0.00%+290+9,666.7%Added
IAG Wealth Partners, LLC300$11.8K0.00%00.0%Unchanged
Massmutual Trust Co FSB300$11.8K0.00%+300New
Beacon Capital Management, LLC301$11.9K0.00%+1+0.3%Added
Castleview Partners, LLC359$14.2K0.01%+6+1.7%Added
US Bancorp416$16.4K0.00%+268+181.1%Added
Householder Group Estate & Retirement Specialist, LLC488$19.0K0.01%00.0%Unchanged
Signaturefd, LLC490$19.3K0.00%+288+142.6%Added
WealthPlan Investment Management, LLC500$19.7K0.00%−23,829−97.9%Reduced
Optimum Investment Advisors500$19.7K0.01%00.0%Unchanged
Farther Finance Advisors, LLC500$19.7K0.01%00.0%Unchanged
Smithfield Trust Co500$20.0K0.00%00.0%Unchanged
AlphaMark Advisors, LLC525$21.0K0.01%00.0%Unchanged
Webster Bank, N. A.553$21.8K0.00%00.0%Unchanged
Antonetti Capital Management LLC600$23.7K0.03%+100+20.0%Added
Prestige Wealth Management Group LLC650$25.6K0.01%00.0%Unchanged
Tucker Asset Management LLC666$26.3K0.01%−46−6.5%Reduced
Macroview Investment Management LLC672$26.5K0.04%+98+17.1%Added
Lowe Wealth Advisors, LLC700$27.6K0.01%00.0%Unchanged
Hazlett, Burt & Watson, Inc.700$28.0K0.02%00.0%Unchanged
Capital Advisors, Ltd. LLC750$30.0K0.00%00.0%Unchanged
Financial Management Professionals, Inc.825$33.0K0.01%00.0%Unchanged
Winch Advisory Services, LLC864$34.0K0.01%+17+2.0%Added
Avion Wealth1,006$37.0K0.01%00.0%Unchanged
Northwestern Mutual Wealth Management Co967$38.2K0.00%+317+48.8%Added
Trust Co1,000$39.5K0.01%00.0%Unchanged
Umb Bank N A1,034$40.8K0.00%00.0%Unchanged
Spire Wealth Management1,050$41.4K0.00%+1,050New
Versant Capital Management, Inc1,119$44.0K0.01%+4+0.4%Added
Washington Trust Advisors, Inc.1,129$44.6K0.00%00.0%Unchanged
Truvestments Capital LLC1,306$51.5K0.03%00.0%Unchanged
Hexagon Capital Partners LLC1,310$51.7K0.01%+145+12.4%Added
Newbridge Financial Services Group, Inc.1,313$51.8K0.03%+792+152.0%Added
National Bank of Canada1,540$60.8K0.00%−50,260−97.0%Reduced
Nomura Asset Management Co Ltd1,800$71.0K0.00%−150−7.7%Reduced
ICA Group Wealth Management, LLC2,000$78.9K0.02%+500+33.3%Added
Colonial Trust Advisors2,221$87.7K0.01%+15+0.7%Added
CWM, LLC2,242$88.0K0.00%+486+27.7%Added
Endurance Wealth Management, Inc.2,400$94.0K0.01%00.0%Unchanged
Ronald Blue Trust, Inc.2,569$95.0K0.00%+10.0%Added
Nelson, Van Denburg & Campbell Wealth Management Group, LLC2,600$102.6K0.01%00.0%Unchanged
Harbour Investments, Inc.2,636$104.0K0.01%00.0%Unchanged
Register Financial Advisors LLC2,637$104.1K0.08%−46,985−94.7%Reduced
Vaughan Nelson Investment Management, L.P.2,650$105.0K0.00%00.0%Unchanged
Heritage Wealth Advisors3,000$118.4K0.01%00.0%Unchanged
Private Trust Co NA3,029$119.5K0.02%−43−1.4%Reduced
Gradient Investments LLC3,040$120.0K0.00%+185+6.5%Added
Parallel Advisors, LLC3,241$127.9K0.00%+1,759+118.7%Added
Sunbelt Securities, Inc.3,355$131.7K0.02%+3,355New
BNP Paribas Arbitrage, SA3,561$140.5K0.00%+3,377+1,835.3%Added
Geneos Wealth Management Inc.3,626$143.1K0.01%−8,978−71.2%Reduced
Ameritas Advisory Services, LLC3,583$143.9K0.01%+3,583New
Nisa Investment Advisors, LLC3,900$154.0K0.00%00.0%Unchanged
Cullen/Frost Bankers, Inc.4,000$157.8K0.00%00.0%Unchanged
Dark Forest Capital Management LP4,031$159.1K0.04%+4,031New
SOA Wealth Advisors, LLC.4,049$159.8K0.04%+42+1.0%Added
EverSource Wealth Advisors, LLC4,176$164.8K0.02%00.0%Unchanged
Global Retirement Partners, LLC4,370$177.5K0.01%00.0%Unchanged
Virtus Investment Advisers, Inc.5,094$201.0K0.14%−175−3.3%Reduced
Squarepoint Ops LLC5,125$202.2K0.00%+5,125New
Congress Wealth Management LLC5,139$202.8K0.00%+5,139New
Focused Wealth Management, Inc5,146$203.1K0.04%+59+1.2%Added
Segall Bryant & Hamill, LLC5,173$204.0K0.00%+5,173New
Capital Investment Advisory Services, LLC5,203$205.3K0.02%−216−4.0%Reduced
Harbor Investment Advisory, LLC5,300$209.1K0.03%00.0%Unchanged
Schonfeld Strategic Advisors LLC5,300$209.1K0.00%+5,300New
Citigroup Inc5,308$209.5K0.00%−24,692−82.3%Reduced
Flputnam Investment Management Co5,324$210.1K0.01%−584−9.9%Reduced
Green Square Capital Advisors LLC5,326$210.2K0.03%+5,326New
Foundations Investment Advisors, LLC5,329$210.3K0.01%−182−3.3%Reduced
Wellington Shields Capital Management, LLC5,350$211.1K0.03%+5,350New
Riverstone Advisors, LLC5,370$211.9K0.14%+5,370New
Bank Julius Baer & Co. Ltd, Zurich5,395$213.0K0.00%+5,395New