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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, Q2 2025

Institutional positions in Main Street Capital CORP as of Jun 30, 2025. 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
405
+16 vs. Q1 2025
Shares held
19.7M
+878.7K (+4.7%) vs. Q1 2025
Total value
$1.17B
+$101.6M (+9.5%) vs. Q1 2025
New holders
51
148 more added
Sold out
35
108 more reduced

4 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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.

Institutional holdersQ2 2025: 405 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 heldQ2 2025: $1.17B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Main Street Capital CORP; share changes are against Q1 2025.

Institutions holding MAIN in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Ameritas Advisory Services, LLC2,821$166.7K0.01%+2,821New
CIBC Private Wealth Group, LLC2,847$168.3K0.00%00.0%Unchanged
Armstrong Advisory Group, Inc2,961$175.0K0.01%−902−23.3%Reduced
Comerica Bank3,080$182.0K0.00%00.0%Unchanged
HHM Wealth Advisors, LLC3,285$194.1K0.02%00.0%Unchanged
Newbridge Financial Services Group, Inc.3,318$196.1K0.03%+771+30.3%Added
Colonial Trust Co3,320$196.2K0.03%−225−6.3%Reduced
Jones Financial Companies LLLP3,392$200.0K0.00%+541+19.0%Added
Erste Asset Management GmbH3,418$202.0K0.00%+135+4.1%Added
Secure Asset Management, LLC3,425$202.4K0.04%−250−6.8%Reduced
MKT Advisors LLC3,427$203.2K0.08%+3,427New
Evergreen Capital Management LLC3,453$204.1K0.01%+3,453New
Strategic Financial Concepts, LLC3,454$204.1K0.03%−3,116−47.4%Reduced
Sunbelt Securities, Inc.3,515$205.9K0.02%+39+1.1%Added
BIP Wealth, LLC3,500$206.8K0.01%+3,500New
Ieq Capital, LLC3,516$207.8K0.00%+3,516New
Kaizen Financial Strategies3,517$207.9K0.11%+3,517New
Advisory Research Inc3,551$209.9K0.03%−823−18.8%Reduced
Heritage Wealth Advisors3,600$212.8K0.01%00.0%Unchanged
IFG Advisory, LLC3,623$214.1K0.01%00.0%Unchanged
Cornerstone Wealth Management, LLC3,625$214.2K0.01%−182−4.8%Reduced
Old National Bancorp3,689$218.0K0.00%00.0%Unchanged
Wesbanco Bank Inc3,775$223.1K0.01%00.0%Unchanged
Global Assets Advisory, LLC3,792$224.8K0.09%+3,792New
Jump Financial, LLC3,851$227.6K0.00%+3,851New
Nisa Investment Advisors, LLC3,900$230.5K0.00%00.0%Unchanged
Round Rock Advisors, LLC3,925$232.0K0.04%+195+5.2%Added
Fisher Asset Management, LLC3,947$233.3K0.00%+3,947New
Ausdal Financial Partners, Inc.3,960$234.0K0.02%+3,960New
Cullen/Frost Bankers, Inc.4,000$236.4K0.00%−1,420−26.2%Reduced
Matthew Goff Investment Advisor, LLC4,000$236.4K0.04%00.0%Unchanged
Financial Advisors Network, Inc.4,000$236.4K0.04%00.0%Unchanged
Turtle Creek Wealth Advisors, LLC4,000$236.4K0.03%+4,000New
Nabity-Jensen Investment Management Inc4,011$237.0K0.17%+4,011New
State of Wyoming4,026$237.9K0.03%+1,287+47.0%Added
VPR Management LLC4,039$238.7K0.11%+4,039New
Merit Financial Group, LLC4,040$238.8K0.00%+295+7.9%Added
Vestor Capital, LLC2,605$239.0K0.02%−45,795−94.6%Reduced
Simplex Trading, LLC4,047$239.0K0.01%−16,067−79.9%Reduced
US Bancorp4,070$240.5K0.00%+1,248+44.2%Added
Accurate Wealth Management, LLC3,882$241.6K0.04%+3,882New
CAP Partners, LLC4,090$241.7K0.15%−69−1.7%Reduced
Good Life Advisors, LLC4,106$242.7K0.02%+3+0.1%Added
Gsa Capital Partners LLP4,143$245.0K0.02%−7,182−63.4%Reduced
Carmel Capital Partners, LLC4,170$246.4K0.09%00.0%Unchanged
Brown Advisory Inc4,217$249.2K0.00%00.0%Unchanged
Procyon Private Wealth Partners, LLC4,278$252.8K0.02%−50−1.2%Reduced
Koshinski Asset Management, Inc.4,335$256.2K0.02%+5+0.1%Added
Focused Wealth Management, Inc4,443$262.6K0.03%−221−4.7%Reduced
HB Wealth Management, LLC4,457$263.4K0.00%−6,550−59.5%Reduced
Trust Co of Vermont4,462$263.7K0.01%+4,462New
Bridgefront Capital, LLC4,586$271.0K0.07%−4,459−49.3%Reduced
Stephens Inc4,606$272.2K0.00%+506+12.3%Added
Atria Wealth Solutions, Inc.4,713$278.5K0.01%−37,645−88.9%Reduced
Sagespring Wealth Partners, LLC4,730$279.6K0.01%+58+1.2%Added
Wedbush Securities Inc4,741$280.0K0.01%+150+3.3%Added
Plan Group Financial, LLC4,757$281.1K0.09%+10+0.2%Added
Riverstone Advisors, LLC4,758$281.2K0.15%−200−4.0%Reduced
Kovack Advisors, Inc.4,810$284.3K0.03%−41−0.8%Reduced
Brookstone Capital Management4,817$284.7K0.00%+800+19.9%Added
Axxcess Wealth Management, LLC4,853$286.8K0.01%−170−3.4%Reduced
We Are One Seven, LLC4,929$291.3K0.01%+325+7.1%Added
Intrepid Capital Management Inc5,000$295.5K0.12%00.0%Unchanged
Linscomb & Williams, Inc.5,000$295.5K0.01%00.0%Unchanged
Oak Harbor Wealth Partners, LLC5,000$295.5K0.08%00.0%Unchanged
Plancorp, LLC5,025$297.0K0.01%00.0%Unchanged
Mirae Asset Global Investments Co., Ltd.5,044$298.1K0.00%−3,217−38.9%Reduced
Freedom Financial Partners LLC5,100$301.4K0.13%+218+4.5%Added
NorthRock Partners, LLC5,101$301.5K0.01%00.0%Unchanged
Colonial River Wealth Management, LLC4,853$302.0K0.13%−170−3.4%Reduced
Thrive Wealth Management, LLC5,140$303.8K0.05%−32−0.6%Reduced
Harbor Investment Advisory, LLC5,290$312.6K0.03%00.0%Unchanged
Green Square Capital Advisors LLC5,326$314.8K0.04%00.0%Unchanged
Wellington Shields Capital Management, LLC5,350$316.2K0.05%00.0%Unchanged
Congress Wealth Management LLC5,368$317.2K0.00%00.0%Unchanged
Brighton Jones LLC5,376$317.7K0.01%−416−7.2%Reduced
GWM Advisors LLC5,401$319.2K0.00%+3,746+226.3%Added
Sound View Wealth Advisors Group, LLC5,408$319.6K0.02%+1,102+25.6%Added
Core Wealth Partners LLC5,408$319.6K0.16%00.0%Unchanged
Manske Wealth Management5,416$320.1K0.11%00.0%Unchanged
Apexium Financial, LP5,435$321.2K0.02%00.0%Unchanged
Whitener Capital Management, Inc.5,470$323.3K0.09%+32+0.6%Added
Stratos Wealth Advisors, LLC5,602$331.1K0.02%+4+0.1%Added
Pinebridge Investments, L.P.5,665$334.8K0.00%+5,665New
Crestwood Advisors Group LLC5,847$345.6K0.01%00.0%Unchanged
American National Bank6,000$354.6K0.04%+6,000New
RDA Financial Network6,093$360.1K0.10%−554−8.3%Reduced
Susquehanna Fundamental Investments, LLC6,100$360.5K0.01%−20,718−77.3%Reduced
Iams Wealth Management, LLC6,100$360.5K0.17%−2,700−30.7%Reduced
Glenview Trust Co6,100$360.5K0.01%+6,100New
United Capital Management of KS, Inc.6,122$361.8K0.06%+6,122New
AE Wealth Management LLC6,141$363.0K0.00%−251−3.9%Reduced
Moors & Cabot, Inc.6,215$367.3K0.02%−1,000−13.9%Reduced
DRW Securities, LLC6,364$376.1K0.03%+6,364New
FSM Wealth Advisors, LLC6,304$384.4K0.06%+86+1.4%Added
LBMC Investment Advisors, LLC6,630$391.8K0.03%+6+0.1%Added
Alpha Cubed Investments, LLC6,914$408.6K0.02%+85+1.2%Added
Capital Investment Advisory Services, LLC7,002$413.8K0.03%+100+1.4%Added
Schubert & Co7,071$417.9K0.30%00.0%Unchanged
Argent Trust Co7,098$419.5K0.02%+80+1.1%Added