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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, Q4 2025

Institutional positions in Main Street Capital CORP as of Dec 31, 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
431
+31 vs. Q3 2025
Shares held
20.9M
+858.1K (+4.3%) vs. Q3 2025
Total value
$1.26B
−$5.41M (−0.4%) vs. Q3 2025
New holders
68
145 more added
Sold out
37
120 more reduced

8 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2025: 431 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 heldQ4 2025: $1.26B
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, Q4 2025

Shares, value and share of portfolio for each institution holding Main Street Capital CORP; share changes are against Q3 2025.

Institutions holding MAIN in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Price T Rowe Associates Inc2,734,461$165.1M0.02%+162,580+6.3%Added
Van Eck Associates Corp1,132,346$68.4M0.06%−1,315,855−53.7%Reduced
CI Private Wealth, LLC890,461$53.8M0.07%+868,092+3,880.8%Added
Morgan Stanley867,861$52.4M0.00%−118,586−12.0%Reduced
Legal & General Group Plc719,967$43.5M0.01%+95,177+15.2%Added
UBS Group AG611,876$37.0M0.01%−255,008−29.4%Reduced
Adell Harriman & Carpenter Inc478,435$28.9M1.73%+23,942+5.3%Added
Muzinich & Co., Inc.440,012$26.6M8.36%+72,872+19.8%Added
Invesco Ltd.419,755$25.3M0.00%−24,881−5.6%Reduced
Goldman Sachs Group Inc356,799$21.5M0.00%+308,404+637.3%Added
Sound Income Strategies, LLC336,031$21.5M1.02%−801−0.2%Reduced
Sumitomo Mitsui Trust Holdings, Inc.355,547$21.5M0.01%+21,005+6.3%Added
LPL Financial LLC348,375$21.0M0.01%−33,944−8.9%Reduced
Jane Street Group, LLC314,648$19.0M0.02%+314,648New
Franklin Resources Inc301,708$18.2M0.00%−20,925−6.5%Reduced
Childress Capital Advisors, LLC293,733$17.7M2.85%+182,973+165.2%Added
Public Employees Retirement Association of Colorado280,200$16.9M0.06%00.0%Unchanged
D. E. Shaw & Co., Inc.278,534$16.8M0.01%+176,252+172.3%Added
Raymond James Financial Inc252,800$15.3M0.00%+46,852+22.7%Added
Millennium Management LLC247,063$14.9M0.01%+200,867+434.8%Added
Tudor Investment Corp Et Al238,864$14.4M0.08%+238,864New
JPMorgan Chase & Co221,174$13.4M0.00%−161,276−42.2%Reduced
BlackRock, Inc.210,126$12.7M0.00%−7,862−3.6%Reduced
Trinity Legacy Partners, LLC191,499$11.6M2.65%+498+0.3%Added
Qube Research & Technologies Ltd189,895$11.5M0.02%+130,572+220.1%Added
Private Advisor Group, LLC173,224$10.5M0.05%+472+0.3%Added
Advisor Group Holdings, Inc.170,728$10.3M0.02%+86+0.1%Added
Benjamin Edwards Inc156,852$9.47M0.10%+756+0.5%Added
First Trust Advisors LP155,936$9.42M0.01%+44,367+39.8%Added
Ameriprise Financial Inc153,589$9.28M0.00%+30,774+25.1%Added
Royal Bank of Canada149,483$9.03M0.00%−5,238−3.4%Reduced
Cambridge Investment Research Advisors, Inc.148,239$8.95M0.02%−2,465−1.6%Reduced
U.S. Capital Wealth Advisors, LLC138,790$8.38M0.22%+20.0%Added
Bridgelight Financial Advisors, Inc.135,099$8.16M6.95%+135,099New
Joel Isaacson & Co., LLC128,831$7.78M0.26%+171+0.1%Added
TCTC Holdings, LLC126,791$7.66M0.23%+3,000+2.4%Added
Hourglass Capital, LLC124,860$7.54M1.63%+2,480+2.0%Added
Segment Wealth Management, LLC120,243$7.26M0.42%+420+0.4%Added
Hamilton Point Investment Advisors, LLC114,005$6.88M1.05%−970−0.8%Reduced
Balyasny Asset Management LLC113,376$6.85M0.01%+47,959+73.3%Added
Advisors Asset Management, Inc.111,988$6.76M0.11%−27,094−19.5%Reduced
Denali Advisors LLC106,300$6.42M0.71%−13,397−11.2%Reduced
HRT Financial LP105,983$6.40M0.02%−127,450−54.6%Reduced
Bank of America Corp101,363$6.12M0.00%+18,434+22.2%Added
Wells Fargo & Company100,274$6.06M0.00%−21,963−18.0%Reduced
Integrated Wealth Concepts LLC98,825$5.97M0.07%−54−0.1%Reduced
J.W. Cole Advisors, Inc.108,516$5.94M0.14%+5,596+5.4%Added
Meridian Wealth Management, LLC98,285$5.94M0.21%+927+1.0%Added
BNP Paribas Arbitrage, SA97,935$5.91M0.00%−30,849−24.0%Reduced
Confluence Investment Management LLC97,083$5.86M0.09%−4,551−4.5%Reduced
We Are One Seven, LLC95,070$5.74M0.12%+90,054+1,795.3%Added
HighTower Advisors, LLC94,408$5.70M0.01%+1,150+1.2%Added
Albion Financial Group86,812$5.24M0.33%−8,030−8.5%Reduced
Texas Yale Capital Corp.80,403$4.86M0.15%−515−0.6%Reduced
Creative Planning77,467$4.68M0.00%−644−0.8%Reduced
Susquehanna Fundamental Investments, LLC76,439$4.62M0.16%+61,498+411.6%Added
CoreCap Advisors, LLC75,499$4.56M0.16%+10,539+16.2%Added
Cetera Investment Advisers74,630$4.51M0.00%+6,386+9.4%Added
Naviter Wealth, LLC73,968$4.47M0.58%−7,762−9.5%Reduced
Morgan Dempsey Capital Management LLC73,426$4.43M2.16%−7,637−9.4%Reduced
Two Sigma Investments, LP72,407$4.37M0.01%−56,568−43.9%Reduced
Commonwealth Equity Services, LLC70,823$4.28M0.01%−3,727−5.0%Reduced
Pembroke Management, LTD64,529$3.90M0.40%+1,126+1.8%Added
Baker Avenue Asset Management, LP63,056$3.81M0.09%+4,431+7.6%Added
XTX Topco Ltd61,516$3.71M0.10%+50,430+454.9%Added
Larson Financial Group LLC58,280$3.52M0.12%−1,063−1.8%Reduced
Kestra Advisory Services, LLC58,224$3.52M0.01%+3,053+5.5%Added
IHT Wealth Management, LLC56,687$3.42M0.08%+281+0.5%Added
Fund Advisors of America Inc55,845$3.37M3.09%+55,845New
Beacon Pointe Advisors, LLC55,276$3.34M0.02%−453−0.8%Reduced
MGB Wealth Management, LLC55,198$3.33M0.95%+1,970+3.7%Added
Rockefeller Capital Management L.P.54,577$3.30M0.01%−19,651−26.5%Reduced
ExodusPoint Capital Management, LP53,508$3.23M0.04%+53,508New
Taylor Frigon Capital Management LLC53,151$3.21M1.62%+1,508+2.9%Added
Midwest Professional Planners, LTD.51,926$3.14M0.74%−3,949−7.1%Reduced
M&T Bank Corp51,378$3.10M0.01%+28+0.1%Added
CWM, LLC50,874$3.07M0.01%−14,372−22.0%Reduced
Capital Investment Advisors, LLC49,934$3.02M0.05%−285−0.6%Reduced
Vestor Capital, LLC1,282$2.92M0.21%−47,118−97.4%Reduced
Prospera Financial Services Inc48,229$2.91M0.05%+194+0.4%Added
Quantbot Technologies LP47,681$2.88M0.10%−6,491−12.0%Reduced
Envestnet Asset Management Inc47,640$2.88M0.00%−75,320−61.3%Reduced
Susquehanna International Group, LLP44,571$2.69M0.00%+37,227+506.9%Added
King Luther Capital Management Corp42,410$2.56M0.01%00.0%Unchanged
Bank of New York Mellon Corp41,138$2.48M0.00%+4,005+10.8%Added
First Financial Bankshares Inc40,978$2.47M0.05%+1,127+2.8%Added
Northern Trust Corp40,325$2.44M0.00%−4,654−10.3%Reduced
Focus Financial Network, Inc.38,798$2.34M0.08%+1,623+4.4%Added
Blair William & Co38,796$2.34M0.01%−2,276−5.5%Reduced
Foundations Investment Advisors, LLC37,599$2.27M0.03%−1,344−3.5%Reduced
Advisory Services Network, LLC37,170$2.24M0.03%+142+0.4%Added
DnB Asset Management AS37,076$2.24M0.01%−36,122−49.3%Reduced
Citadel Advisors LLC36,868$2.23M0.00%+4,489+13.9%Added
Sigma Planning Corp36,640$2.21M0.06%−1,476−3.9%Reduced
Coldstream Capital Management Inc36,086$2.18M0.03%−933−2.5%Reduced
Mariner, LLC35,610$2.15M0.00%+1,580+4.6%Added
BI Asset Management Fondsmaeglerselskab A/S35,461$2.14M0.02%−683−1.9%Reduced
Geneos Wealth Management Inc.35,161$2.12M0.05%−2,551−6.8%Reduced
Quest Partners LLC34,409$2.08M0.12%+18,413+115.1%Added
Arkadios Wealth Advisors32,548$1.97M0.04%−119−0.4%Reduced