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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 2021

Institutional positions in Main Street Capital CORP as of Jun 30, 2021. 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
228
0 vs. Q1 2021
Shares held
11.9M
−1.11M (−8.5%) vs. Q1 2021
Total value
$488.5M
−$21.0M (−4.1%) vs. Q1 2021
New holders
32
85 more added
Sold out
32
64 more reduced

2 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2021: 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 2021: 228 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 2021: $488.5M
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 2021

Shares, value and share of portfolio for each institution holding Main Street Capital CORP; share changes are against Q1 2021.

Institutions holding MAIN in Q2 2021
InstitutionSharesValue% of portfolioChange in sharesAction
Hourglass Capital, LLC84,650$3.48M0.81%+2,100+2.5%Added
Advisors Capital Management, LLC89,596$3.68M0.12%−2,292−2.5%Reduced
Wells Fargo & Company89,932$3.69M0.00%+21,236+30.9%Added
Bank of New York Mellon Corp117,437$4.83M0.00%+9,673+9.0%Added
Albion Financial Group123,807$5.09M0.44%+123,807New
Usca Ria LLC130,478$5.36M0.33%+187+0.1%Added
UBS Group AG132,933$5.46M0.00%+5,985+4.7%Added
Cambridge Investment Research Advisors, Inc.134,954$5.54M0.03%+8,099+6.4%Added
JPMorgan Chase & Co136,752$5.62M0.00%−135,160−49.7%Reduced
Royal Bank of Canada138,702$5.70M0.00%+17,608+14.5%Added
Confluence Investment Management LLC140,512$5.77M0.08%+493+0.4%Added
Trinity Legacy Partners, LLC151,996$6.32M2.32%−919−0.6%Reduced
Miller Howard Investments Inc160,000$6.57M0.26%00.0%Unchanged
LPL Financial LLC176,265$7.24M0.01%+17,702+11.2%Added
Advisor Group Holdings, Inc.185,265$7.61M0.02%−9,769−5.0%Reduced
McKinley Capital Management LLC /Delaware191,015$7.85M0.55%−3,498−1.8%Reduced
State of Wisconsin Investment Board217,748$8.95M0.02%+3,233+1.5%Added
Muzinich & Co., Inc.232,101$9.54M5.88%−62,747−21.3%Reduced
Sumitomo Mitsui Trust Holdings, Inc.234,505$9.64M0.01%−60,343−20.5%Reduced
Sanders Morris Harris LLC371,327$15.3M2.96%+159,631+75.4%Added
Childress Capital Advisors, LLC389,312$16.0M7.28%−17,060−4.2%Reduced
BlackRock Inc.416,141$17.1M0.00%+38,344+10.1%Added
Sound Income Strategies, LLC421,409$17.3M2.50%−51,547−10.9%Reduced
Legal & General Group Plc435,383$17.9M0.01%−28,270−6.1%Reduced
Morgan Stanley538,140$22.1M0.00%+106,040+24.5%Added
Van Eck Associates Corp570,258$23.4M0.06%+73,136+14.7%Added
Price T Rowe Associates Inc757,169$31.1M0.00%−195,876−20.6%Reduced
Burgundy Asset Management Ltd.1,649,831$67.8M0.66%−19,246−1.2%Reduced
California Public Employees Retirement System0$00.00%−115,469−100.0%Sold out
CNO Financial Group, Inc.0$00.00%−100,884−100.0%Sold out
Pin Oak Investment Advisors Inc0$00.00%−69,015−100.0%Sold out
Arrowstreet Capital, Limited Partnership0$00.00%−22,200−100.0%Sold out
Oppenheimer & Co Inc0$00.00%−18,320−100.0%Sold out
Sowell Financial Services LLC0$00.00%−15,215−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−12,300−100.0%Sold out
Griffin Asset Management, Inc.0$00.00%−9,315−100.0%Sold out
Aigen Investment Management, LP0$00.00%−9,029−100.0%Sold out
Tudor Investment Corp Et Al0$00.00%−8,533−100.0%Sold out
Athanor Capital, LP0$00.00%−8,458−100.0%Sold out
Virtu Financial LLC0$00.00%−6,365−100.0%Sold out
Jane Street Group, LLC0$00.00%−5,452−100.0%Sold out
FNY Investment Advisers, LLC0$00.00%−5,313−100.0%Sold out
RMR Wealth Builders0$00.00%−3,561−100.0%Sold out
Tower Research Capital LLC (TRC)0$00.00%−2,361−100.0%Sold out
Fifth Third Bancorp0$00.00%−2,000−100.0%Sold out
Eudaimonia Partners, LLC0$00.00%−2,002−100.0%Sold out
Simon Quick Advisors, LLC0$00.00%−1,250−100.0%Sold out
Manchester Financial Inc0$00.00%−900−100.0%Sold out
Founders Capital Management0$00.00%−800−100.0%Sold out
Sterling Investment Advisors, Ltd.0$00.00%−526−100.0%Sold out
Certified Advisory Corp0$00.00%−525−100.0%Sold out
Ameritas Investment Company, LLC0$00.00%−529−100.0%Sold out
Bank of Montreal0$00.00%−490−100.0%Sold out
International Assets Investment Management, LLC0$00.00%−450−100.0%Sold out
Wealthcare Advisory Partners LLC0$00.00%−300−100.0%Sold out
Reilly Financial Advisors, LLC0$00.00%−180−100.0%Sold out
Country Trust Bank0$00.00%−66−100.0%Sold out
Global Wealth Management Investment Advisory, Inc.0$00.00%−56−100.0%Sold out
D'Orazio & Associates, Inc.0$00.00%−37−100.0%Sold out
Atlas Private Wealth Management0$00.00%−25−100.0%Sold out
Rikoon Group, LLC––––Not filed
Bokf, NA––––Not filed