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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 2026

Institutional positions in Main Street Capital CORP as of Jun 30, 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
401
−19 vs. Q1 2026
Shares held
22.7M
−496.9K (−2.1%) vs. Q1 2026
Total value
$1.18B
−$53.5M (−4.4%) vs. Q1 2026
New holders
43
148 more added
Sold out
62
122 more reduced

3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 401 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 2026: $1.18B
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 2026

Shares, value and share of portfolio for each institution holding Main Street Capital CORP; share changes are against Q1 2026.

Institutions holding MAIN in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Geneos Wealth Management Inc.34,659$1.80M0.04%−6,916−16.6%Reduced
Foundations Investment Advisors, LLC35,251$1.83M0.02%−3,273−8.5%Reduced
AE Wealth Management LLC35,843$1.86M0.01%+9,554+36.3%Added
Clarity Financial LLC36,632$1.90M0.16%+36,632New
Lido Advisors, LLC36,707$1.90M0.01%+7,327+24.9%Added
LGT Fund Management Co Ltd.36,931$1.92M0.08%+9,179+33.1%Added
Advisory Services Network, LLC37,837$1.96M0.02%+2,044+5.7%Added
Sharpepoint LLC38,103$1.98M0.99%+1,900+5.2%Added
Squarepoint Ops LLC38,187$1.98M0.00%+13,932+57.4%Added
Clear Trail Advisors, LLC38,380$1.99M0.30%+16,756+77.5%Added
Blair William & Co38,675$2.01M0.01%−365−0.9%Reduced
ExodusPoint Capital Management, LP40,444$2.10M0.02%+40,444New
King Luther Capital Management Corp42,410$2.20M0.01%00.0%Unchanged
First Financial Bankshares Inc43,541$2.26M0.04%00.0%Unchanged
Barclays PLC44,062$2.29M0.00%−474−1.1%Reduced
GWM Advisors LLC44,558$2.31M0.01%+3,415+8.3%Added
Capital Investment Advisors, LLC44,768$2.32M0.03%−1,341−2.9%Reduced
Susquehanna International Group, LLP45,157$2.34M0.00%+32,429+254.8%Added
Bank of New York Mellon Corp45,918$2.38M0.00%+1,571+3.5%Added
Focus Financial Network, Inc.46,751$2.43M0.08%+3,932+9.2%Added
Prospera Financial Services Inc49,197$2.55M0.04%+36+0.1%Added
Concurrent Investment Advisors, LLC49,281$2.56M0.02%+36,785+294.4%Added
Russell Investments Group, Ltd.49,369$2.56M0.00%+1,526+3.2%Added
Envestnet Asset Management Inc50,060$2.60M0.00%−77,271−60.7%Reduced
Taylor Frigon Capital Management LLC50,728$2.63M1.23%+649+1.3%Added
M&T Bank Corp51,750$2.68M0.01%+350+0.7%Added
Mariner, LLC52,374$2.72M0.00%−7,459−12.5%Reduced
FJ Capital Management LLC53,085$2.75M0.36%−14,582−21.5%Reduced
Rockefeller Capital Management L.P.54,216$2.81M0.00%+1,682+3.2%Added
HRT Financial LP56,143$2.91M0.01%+56,143New
Midwest Professional Planners, LTD.57,168$2.97M0.58%+2,783+5.1%Added
Fund Advisors of America Inc57,752$3.00M2.72%−123−0.2%Reduced
Sound Income Strategies, LLC59,752$3.10M0.14%−58,400−49.4%Reduced
Commonwealth Equity Services, LLC59,759$3.10M0.00%−9,763−14.0%Reduced
Larson Financial Group LLC61,004$3.16M0.08%+604+1.0%Added
IHT Wealth Management, LLC61,492$3.19M0.07%+3,436+5.9%Added
Kestra Advisory Services, LLC62,234$3.23M0.01%+4,639+8.1%Added
Pembroke Management, LTD66,279$3.44M0.44%+1,342+2.1%Added
Baker Avenue Asset Management, LP66,500$3.45M0.07%+294+0.4%Added
Ilex Capital Partners (UK) LLP73,207$3.80M0.08%+73,207New
Creative Planning73,515$3.81M0.00%−8,732−10.6%Reduced
Texas Yale Capital Corp.76,363$3.96M0.09%−3,190−4.0%Reduced
Advisors Asset Management, Inc.77,329$4.01M0.06%−33,891−30.5%Reduced
Trexquant Investment LP86,543$4.49M0.03%−55,947−39.3%Reduced
Albion Financial Group88,112$4.57M0.26%+1,180+1.4%Added
First Trust Advisors LP89,246$4.63M0.00%−5,246−5.6%Reduced
Integrated Wealth Concepts LLC90,056$4.67M0.03%−13,082−12.7%Reduced
HighTower Advisors, LLC92,780$4.81M0.00%−2,805−2.9%Reduced
Confluence Investment Management LLC93,486$4.85M0.08%+2,528+2.8%Added
Denali Advisors LLC95,591$4.96M0.50%−5,894−5.8%Reduced
Cetera Investment Advisers97,026$5.03M0.00%+24,716+34.2%Added
BNP Paribas Arbitrage, SA100,030$5.19M0.00%+7,825+8.5%Added
J.W. Cole Advisors, Inc.100,593$5.22M0.09%−6,269−5.9%Reduced
Naviter Wealth, LLC100,862$5.23M0.48%+15,872+18.7%Added
Jane Street Group, LLC105,352$5.47M0.00%+105,352New
Meridian Wealth Management, LLC108,809$5.65M0.17%+7,612+7.5%Added
Beacon Pointe Advisors, LLC109,186$5.66M0.03%+57,611+111.7%Added
Tudor Investment Corp Et Al111,577$5.79M0.02%+38,647+53.0%Added
Great West Life Assurance Co113,433$5.88M0.01%+15,828+16.2%Added
Hamilton Point Investment Advisors, LLC113,705$5.90M0.83%+70+0.1%Added
Segment Wealth Management, LLC114,748$5.95M0.31%+1,714+1.5%Added
Bank of America Corp117,462$6.09M0.00%+19,831+20.3%Added
Hourglass Capital, LLC121,650$6.31M1.24%−1,900−1.5%Reduced
Joel Isaacson & Co., LLC129,206$6.70M0.19%+199+0.2%Added
Ameriprise Financial Inc129,241$6.71M0.00%+2,293+1.8%Added
State Street Corp130,435$6.77M0.00%+19,747+17.8%Added
TCTC Holdings, LLC132,691$6.88M0.18%+3,700+2.9%Added
Balyasny Asset Management LLC133,125$6.91M0.01%+13,118+10.9%Added
Wells Fargo & Company133,473$6.92M0.00%+29,750+28.7%Added
Millennium Management LLC134,503$6.98M0.00%−225,335−62.6%Reduced
JPMorgan Chase & Co141,880$7.32M0.00%−26,012−15.5%Reduced
Tectonic Advisors LLC145,445$7.55M0.36%+145,445New
Benjamin Edwards Inc145,655$7.56M0.07%−7,968−5.2%Reduced
SRS Capital Advisors, Inc.151,274$7.85M0.05%+151,274New
Cambridge Investment Research Advisors, Inc.153,949$7.99M0.02%+9,003+6.2%Added
Advisor Group Holdings, Inc.162,228$8.42M0.01%−7,467−4.4%Reduced
Private Advisor Group, LLC162,463$8.43M0.04%−7,847−4.6%Reduced
Bridgelight Financial Advisors, Inc.166,563$8.64M5.92%+29,960+21.9%Added
Royal Bank of Canada174,795$9.07M0.00%+23,599+15.6%Added
Sanders Morris Harris LLC199,559$10.4M6.00%−37,696−15.9%Reduced
Trinity Legacy Partners, LLC217,844$12.1M2.42%+14,688+7.2%Added
Raymond James Financial Inc238,617$12.4M0.00%−25,104−9.5%Reduced
Childress Capital Advisors, LLC257,733$13.4M2.19%−36,000−12.3%Reduced
Public Employees Retirement Association of Colorado281,397$14.6M0.05%+10.0%Added
Goldman Sachs Group Inc332,291$17.2M0.00%+18,903+6.0%Added
Franklin Resources Inc342,763$17.8M0.00%+21,895+6.8%Added
LPL Financial LLC347,600$18.0M0.00%−328−0.1%Reduced
D. E. Shaw & Co., Inc.375,318$19.5M0.01%−168,007−30.9%Reduced
Sumitomo Mitsui Trust Holdings, Inc.375,509$19.5M0.01%+5,000+1.3%Added
BlackRock, Inc.403,623$20.9M0.00%−20,612−4.9%Reduced
Muzinich & Co., Inc.495,923$25.7M8.79%+11,100+2.3%Added
Adell Harriman & Carpenter Inc498,998$25.9M1.33%+14,414+3.0%Added
Invesco Ltd.553,967$28.7M0.00%+121,492+28.1%Added
Qube Research & Technologies Ltd654,166$33.9M0.04%+168,367+34.7%Added
Morgan Stanley786,284$40.8M0.00%−68,301−8.0%Reduced
Legal & General Group Plc835,057$43.3M0.01%+51,036+6.5%Added
UBS Group AG1,387,731$72.0M0.01%+48,919+3.7%Added
Van Eck Associates Corp1,885,274$97.8M0.06%−223,648−10.6%Reduced
Price T Rowe Associates Inc3,342,499$173.4M0.02%+633,696+23.4%Added
Vestor Capital, LLC55,208––+6,808+14.1%Added