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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, Q3 2021

Institutional positions in Main Street Capital CORP as of Sep 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
236
+11 vs. Q2 2021
Shares held
12.3M
+591.1K (+5.0%) vs. Q2 2021
Total value
$508.1M
+$25.6M (+5.3%) vs. Q2 2021
New holders
27
84 more added
Sold out
16
72 more reduced

3 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2021: 236 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 heldQ3 2021: $508.1M
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, Q3 2021

Shares, value and share of portfolio for each institution holding Main Street Capital CORP; share changes are against Q2 2021.

Institutions holding MAIN in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
FMR LLC3$00.00%−56−94.9%Reduced
Meeder Asset Management Inc3$00.00%00.0%Unchanged
Avion Wealth6$00.00%00.0%Unchanged
Lindbrook Capital, LLC32$1.00K0.00%00.0%Unchanged
Wolff Wiese Magana LLC22$1.00K0.00%00.0%Unchanged
Mizuho Securities Co. Ltd.50$2.00K0.00%−133−72.7%Reduced
Moisand Fitzgerald Tamayo, LLC50$2.00K0.00%00.0%Unchanged
Wealth Quarterback LLC41$2.00K0.00%+1+2.5%Added
Cutler Group LP100$4.00K0.00%−1,578−94.0%Reduced
FinTrust Capital Advisors, LLC90$4.00K0.00%00.0%Unchanged
Bogart Wealth, LLC99$4.00K0.00%+2+2.1%Added
Huntington National Bank101$4.00K0.00%+100+10,000.0%Added
Winch Advisory Services, LLC105$4.00K0.00%+105New
Dark Forest Capital Management LP94$4.00K0.00%+94New
West Branch Capital LLC125$5.00K0.00%00.0%Unchanged
Jacobi Capital Management LLC120$5.00K0.00%+120New
Lake Point Wealth Management150$6.00K0.00%00.0%Unchanged
Kistler-Tiffany Companies, LLC160$7.00K0.00%00.0%Unchanged
Tucker Asset Management LLC168$7.36K0.00%00.0%Unchanged
BNP Paribas Arbitrage, SA184$7.56K0.00%−4−2.1%Reduced
First Manhattan Co200$8.00K0.00%00.0%Unchanged
Signaturefd, LLC187$8.00K0.00%+67+55.8%Added
JNBA Financial Advisors199$8.00K0.00%+199New
Herold Advisors, Inc.200$8.00K0.00%+200New
Delta Asset Management LLC226$9.00K0.00%00.0%Unchanged
Charter Oak Capital Management, LLC255$9.00K0.00%00.0%Unchanged
Hanson & Doremus Investment Management250$10.0K0.00%+250New
US Bancorp277$11.0K0.00%+16+6.1%Added
Fifth Third Bancorp264$11.0K0.00%+264New
AlphaMark Advisors, LLC300$12.0K0.00%00.0%Unchanged
Halpern Financial, Inc.295$12.1K0.01%+295New
IAG Wealth Partners, LLC300$13.0K0.00%00.0%Unchanged
AdvisorNet Financial, Inc378$16.0K0.00%+5+1.3%Added
Patriot Financial Group Insurance Agency, LLC460$19.0K0.00%+5+1.1%Added
Atlas Private Wealth Advisors482$20.0K0.01%00.0%Unchanged
Optimum Investment Advisors500$21.0K0.01%−8−1.6%Reduced
Moser Wealth Advisors, LLC500$21.0K0.01%00.0%Unchanged
Northwestern Mutual Wealth Management Co532$22.0K0.00%00.0%Unchanged
Webster Bank, N. A.553$23.0K0.00%00.0%Unchanged
Prestige Wealth Management Group LLC650$27.0K0.01%00.0%Unchanged
Parallel Advisors, LLC658$27.0K0.00%+15+2.3%Added
Lowe Wealth Advisors, LLC700$29.0K0.01%00.0%Unchanged
Proequities, Inc.870$36.0K0.00%+200+29.9%Added
Ten Capital Wealth Advisors, LLC940$39.0K0.02%00.0%Unchanged
Rockefeller Capital Management L.P.1,014$41.0K0.00%+353+53.4%Added
HHM Wealth Advisors, LLC1,085$45.0K0.01%00.0%Unchanged
Truvestments Capital LLC1,109$46.0K0.03%−443−28.5%Reduced
Washington Trust Co1,129$46.0K0.00%00.0%Unchanged
Evermay Wealth Management LLC1,160$48.0K0.01%00.0%Unchanged
FNY Investment Advisers, LLC1,250$51.0K0.02%+1,250New
Leonteq Securities AG1,268$52.1K0.00%+44+3.6%Added
American Portfolios Advisors1,284$52.8K0.00%+108+9.2%Added
Total Clarity Wealth Management, Inc.1,500$62.0K0.03%+1,500New
Financial Management Professionals, Inc.1,665$68.0K0.02%−29,363−94.6%Reduced
Barnett & Company, Inc.1,700$70.0K0.05%00.0%Unchanged
NEXT Financial Group, Inc1,746$72.0K0.01%+1,464+519.1%Added
Koshinski Asset Management, Inc.1,794$73.7K0.01%+1,794New
Deutsche Bank AG2,500$103.0K0.00%+2,500New
Gradient Investments LLC2,524$104.0K0.00%+545+27.5%Added
Nelson, Van Denburg & Campbell Wealth Management Group, LLC2,600$106.0K0.01%00.0%Unchanged
Harbour Investments, Inc.2,819$116.0K0.00%−437−13.4%Reduced
Heritage Wealth Advisors3,000$123.3K0.01%00.0%Unchanged
Endurance Wealth Management, Inc.3,200$131.0K0.01%+100+3.2%Added
Spire Wealth Management3,300$136.0K0.00%+250+8.2%Added
Ellis Investment Partners, LLC3,673$150.0K0.04%+40+1.1%Added
SOA Wealth Advisors, LLC.3,813$156.0K0.04%+32+0.8%Added
Nisa Investment Advisors, LLC3,900$160.0K0.00%00.0%Unchanged
Harbor Investment Advisory, LLC4,150$171.0K0.02%00.0%Unchanged
Cullen/Frost Bankers, Inc.4,220$173.0K0.00%00.0%Unchanged
Global Retirement Partners, LLC4,301$177.0K0.02%00.0%Unchanged
Joseph P. Lucia & Associates, LLC4,710$194.0K0.11%00.0%Unchanged
Group One Trading, L.P.4,812$198.0K0.00%−5,951−55.3%Reduced
Day & Ennis, LLC4,908$202.0K0.07%00.0%Unchanged
Evercore Wealth Management, LLC5,000$205.0K0.00%00.0%Unchanged
Segall Bryant & Hamill, LLC5,000$206.0K0.00%00.0%Unchanged
Bard Financial Services, Inc.5,000$206.0K0.02%00.0%Unchanged
Accurate Wealth Management, LLC4,938$207.0K0.18%00.0%Unchanged
Steward Partners Investment Advisory, LLC5,118$210.0K0.00%+3+0.1%Added
Cerity Partners LLC5,263$216.0K0.00%+5,263New
Green Square Capital Advisors LLC5,326$219.0K0.05%00.0%Unchanged
Jane Street Group, LLC5,435$223.0K0.00%+5,435New
Change Path, LLC5,468$225.0K0.01%−465−7.8%Reduced
Goldman Sachs Group Inc5,600$230.0K0.00%−7,825−58.3%Reduced
Archford Capital Strategies, LLC5,603$230.0K0.05%−99−1.7%Reduced
Mutual Advisors, LLC5,776$237.0K0.01%+773+15.5%Added
Brookstone Capital Management5,665$240.0K0.00%+5,665New
Shelton Capital Management5,900$242.0K0.01%−900−13.2%Reduced
HighPoint Advisor Group LLC5,891$242.0K0.02%+5,891New
Stableford Capital II LLC5,800$247.0K0.13%00.0%Unchanged
Focused Wealth Management, Inc6,082$250.0K0.04%+875+16.8%Added
Whitener Capital Management, Inc.7,805$251.0K0.12%−617−7.3%Reduced
Avalon Investment & Advisory6,250$257.0K0.01%−9−0.1%Reduced
Castle Rock Wealth Management, LLC5,740$263.0K0.09%−185−3.1%Reduced
Stifel Financial Corp6,697$275.0K0.00%−258−3.7%Reduced
Riverstone Advisors, LLC6,735$277.0K0.13%+250+3.9%Added
Simplex Trading, LLC6,783$279.0K0.01%00.0%Unchanged
Cetera Advisors LLC6,808$280.0K0.01%+6,808New
Vicus Capital6,838$281.0K0.05%+720+11.8%Added
Bickling Financial Services, Inc.6,935$285.0K0.14%+102+1.5%Added
Demars Financial Group, LLC7,095$292.0K0.17%+7,095New