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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 2 sales; 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
Price T Rowe Associates Inc3,500,667$206.9M0.02%+311,981+9.8%Added
Van Eck Associates Corp1,218,338$72.0M0.08%+46,890+4.0%Added
Morgan Stanley1,012,080$59.8M0.00%+43,594+4.5%Added
Legal & General Group Plc675,495$39.9M0.01%+24,248+3.7%Added
BlackRock, Inc.585,673$34.6M0.00%+130,168+28.6%Added
Invesco Ltd.507,373$30.0M0.01%−24,894−4.7%Reduced
Adell Harriman & Carpenter Inc454,495$26.9M1.78%+6,853+1.5%Added
Sound Income Strategies, LLC345,827$20.4M1.17%+10,819+3.2%Added
LPL Financial LLC341,799$20.2M0.01%+34,431+11.2%Added
UBS Group AG332,510$19.7M0.00%+88,593+36.3%Added
Muzinich & Co., Inc.316,808$18.7M8.55%+69,701+28.2%Added
Franklin Resources Inc306,645$18.1M0.00%+47,000+18.1%Added
Sumitomo Mitsui Trust Holdings, Inc.287,252$17.0M0.01%+44,395+18.3%Added
Tectonic Advisors LLC215,481$12.7M0.74%+21,750+11.2%Added
HRT Financial LP213,431$12.6M0.06%+127,270+147.7%Added
Sanders Morris Harris LLC213,340$12.6M3.01%+6,066+2.9%Added
Capital World Investors213,235$12.6M0.00%+2,894+1.4%Added
Trinity Legacy Partners, LLC188,723$12.2M2.95%+2,581+1.4%Added
JPMorgan Chase & Co200,717$11.9M0.00%+65,979+49.0%Added
First Trust Advisors LP188,296$11.1M0.01%+4,317+2.3%Added
Royal Bank of Canada182,705$10.8M0.00%−2,022−1.1%Reduced
Private Advisor Group, LLC170,921$10.1M0.05%+13,249+8.4%Added
Raymond James Financial Inc170,483$10.1M0.00%+2,570+1.5%Added
Qube Research & Technologies Ltd163,988$9.69M0.01%+49,899+43.7%Added
Two Sigma Investments, LP160,899$9.51M0.02%−14,100−8.1%Reduced
Advisor Group Holdings, Inc.156,952$9.28M0.02%+640+0.4%Added
Benjamin Edwards Inc154,392$9.12M0.12%+4,998+3.3%Added
Denali Advisors LLC152,199$8.99M0.94%−3,369−2.2%Reduced
Marshall Wace, LLP146,645$8.67M0.01%−10,323−6.6%Reduced
U.S. Capital Wealth Advisors, LLC139,452$8.24M0.24%+10,853+8.4%Added
Cambridge Investment Research Advisors, Inc.139,179$8.22M0.03%+1,238+0.9%Added
Advisors Asset Management, Inc.136,953$8.09M0.14%+27,056+24.6%Added
Confluence Investment Management LLC129,985$7.68M0.11%−250.0%Reduced
Joel Isaacson & Co., LLC128,509$7.59M0.31%+176+0.1%Added
Ameriprise Financial Inc125,694$7.41M0.00%+48,256+62.3%Added
Hourglass Capital, LLC123,646$7.31M1.81%+3,050+2.5%Added
TCTC Holdings, LLC122,391$7.23M0.23%+2,600+2.2%Added
Envestnet Asset Management Inc120,003$7.09M0.00%+2,007+1.7%Added
Segment Wealth Management, LLC119,468$7.06M0.45%+1,474+1.2%Added
Commonwealth Equity Services, LLC118,253$6.99M0.01%−836−0.7%Reduced
Wells Fargo & Company116,811$6.90M0.00%−4,511−3.7%Reduced
Hamilton Point Investment Advisors, LLC114,614$6.77M1.12%−3,780−3.2%Reduced
Childress Capital Advisors, LLC110,760$6.55M1.65%−1,450−1.3%Reduced
BNP Paribas Arbitrage, SA108,100$6.39M0.00%+29,738+37.9%Added
Meridian Wealth Management, LLC100,088$5.92M0.25%−2,602−2.5%Reduced
Loomis Sayles & Co L P100,000$5.91M0.01%00.0%Unchanged
J.W. Cole Advisors, Inc.99,808$5.90M0.13%+14,883+17.5%Added
Integrated Wealth Concepts LLC98,045$5.79M0.06%−659−0.7%Reduced
Albion Financial Group95,112$5.62M0.37%+345+0.4%Added
HighTower Advisors, LLC93,661$5.54M0.01%−6,950−6.9%Reduced
Morgan Dempsey Capital Management LLC91,517$5.41M2.26%−687−0.7%Reduced
Bank of America Corp89,179$5.27M0.00%+33,243+59.4%Added
Great West Life Assurance Co87,419$5.18M0.01%+2,711+3.2%Added
Two Sigma Advisers, LP82,354$4.87M0.01%+1,809+2.2%Added
Texas Yale Capital Corp.81,587$4.82M0.16%−3,510−4.1%Reduced
Quantbot Technologies LP80,296$4.75M0.12%+69,902+672.5%Added
Rockefeller Capital Management L.P.69,704$4.54M0.01%−25,928−27.1%Reduced
Naviter Wealth, LLC76,678$4.53M0.56%+6,720+9.6%Added
Creative Planning75,339$4.45M0.00%−72−0.1%Reduced
D. E. Shaw & Co., Inc.73,957$4.37M0.00%+65,643+789.5%Added
Pembroke Management, LTD69,944$4.13M0.50%+947+1.4%Added
DnB Asset Management AS69,675$4.12M0.02%−6,582−8.6%Reduced
Wambolt & Associates, LLC67,151$3.98M1.34%−7,524−10.1%Reduced
Kestra Advisory Services, LLC62,508$3.69M0.02%+14,954+31.4%Added
CoreCap Advisors, LLC61,064$3.61M0.15%+59,402+3,574.1%Added
Larson Financial Group LLC58,991$3.49M0.14%+3,251+5.8%Added
Baker Avenue Asset Management, LP56,866$3.36M0.10%−1,970−3.3%Reduced
IHT Wealth Management, LLC56,688$3.35M0.09%+360+0.6%Added
Midwest Professional Planners, LTD.54,772$3.24M0.85%+28,676+109.9%Added
Cetera Investment Advisers52,075$3.08M0.01%+4,521+9.5%Added
Cubist Systematic Strategies, LLC51,599$3.05M0.03%+51,599New
M&T Bank Corp51,350$3.03M0.01%00.0%Unchanged
Taylor Frigon Capital Management LLC50,960$3.01M1.60%+5,772+12.8%Added
MGB Wealth Management, LLC50,043$2.96M0.97%−45,523−47.6%Reduced
Prospera Financial Services Inc49,734$2.94M0.05%+269+0.5%Added
Capital Investment Advisors, LLC48,331$2.86M0.05%−1,467−2.9%Reduced
Sigma Planning Corp43,848$2.59M0.08%−1,094−2.4%Reduced
Wealth Enhancement Advisory Services, LLC42,383$2.59M0.00%−23,359−35.5%Reduced
Quest Partners LLC42,472$2.51M0.25%−2,645−5.9%Reduced
King Luther Capital Management Corp42,410$2.51M0.01%+700+1.7%Added
Blair William & Co41,172$2.43M0.01%00.0%Unchanged
Delta Investment Management, LLC40,729$2.41M0.46%+3,304+8.8%Added
Advisory Services Network, LLC37,025$2.40M0.04%−165−0.4%Reduced
First Financial Bankshares Inc39,851$2.36M0.05%00.0%Unchanged
Verition Fund Management LLC38,086$2.25M0.01%+38,086New
Bank of New York Mellon Corp37,325$2.21M0.00%−877−2.3%Reduced
Foundations Investment Advisors, LLC37,183$2.20M0.03%+8,526+29.8%Added
Geneos Wealth Management Inc.36,810$2.18M0.05%+35,239+2,243.1%Added
Coldstream Capital Management Inc36,705$2.17M0.04%+254+0.7%Added
Natixis36,516$2.16M0.01%+7,501+25.9%Added
Northern Trust Corp34,934$2.06M0.00%+31,308+863.4%Added
Dearborn Partners LLC33,862$2.00M0.09%−342−1.0%Reduced
Focus Financial Network, Inc.33,849$2.00M0.08%+4,160+14.0%Added
Arkadios Wealth Advisors32,591$1.93M0.06%+639+2.0%Added
CWM, LLC32,579$1.93M0.01%+31,729+3,732.8%Added
National Asset Management, Inc.28,518$1.69M0.08%−4,774−14.3%Reduced
Universal- Beteiligungs- und Servicegesellschaft mbH28,481$1.68M0.00%+18,897+197.2%Added
Steward Partners Investment Advisory, LLC28,389$1.68M0.01%−1,249−4.2%Reduced
Sharpepoint LLC28,341$1.67M1.72%+2,108+8.0%Added
Legacy Capital Wealth Partners, LLC26,250$1.55M0.35%−1,183−4.3%Reduced