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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, Q1 2025

Institutional positions in Main Street Capital CORP as of Mar 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
393
−1 vs. Q4 2024
Shares held
18.9M
+57.3K (+0.3%) vs. Q4 2024
Total value
$1.07B
−$33.0M (−3.0%) vs. Q4 2024
New holders
50
141 more added
Sold out
51
115 more reduced

7 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 holdersQ1 2025: 393 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 heldQ1 2025: $1.07B
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, Q1 2025

Shares, value and share of portfolio for each institution holding Main Street Capital CORP; share changes are against Q4 2024.

Institutions holding MAIN in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
PayPay Securities Corp0$50.00%−1−100.0%Reduced
Huntington National Bank1$570.00%00.0%Unchanged
GHP Investment Advisors, Inc.1$590.00%00.0%Unchanged
Creekmur Asset Management LLC1$720.00%00.0%Unchanged
Smallwood Wealth Investment Management, LLC2$1130.00%+2New
Delta Asset Management LLC4$2260.00%00.0%Unchanged
Danske Bank A/S8$4520.00%+1+14.3%Added
C M Bidwell & Associates Ltd11$6220.00%+4+57.1%Added
Roble, Belko & Company, Inc20$1.00K0.00%00.0%Unchanged
Farmers & Merchants Investments Inc19$1.07K0.00%00.0%Unchanged
GAMMA Investing LLC19$1.07K0.00%00.0%Unchanged
SWAN Capital LLC20$1.13K0.00%00.0%Unchanged
Medallion Wealth Advisors, LLC22$1.27K0.00%+22New
Salem Investment Counselors Inc25$1.41K0.00%+25New
North Capital, Inc.25$1.41K0.00%+25New
FMR LLC28$1.58K0.00%−4−12.5%Reduced
Davis Capital Management33$1.87K0.00%00.0%Unchanged
HighMark Wealth Management LLC34$1.92K0.00%00.0%Unchanged
Quadrant Capital Group LLC47$2.66K0.00%00.0%Unchanged
Covestor Ltd57$3.00K0.00%00.0%Unchanged
SJS Investment Consulting Inc.56$3.19K0.00%−9−13.8%Reduced
BOK Financial Private Wealth, Inc.100$5.66K0.00%00.0%Unchanged
Founders Capital Management100$5.66K0.00%00.0%Unchanged
Cape Investment Advisory, Inc.100$5.66K0.00%00.0%Unchanged
Birchbrook, Inc.102$5.79K0.00%+1+1.0%Added
Lindbrook Capital, LLC113$6.37K0.00%+37+48.7%Added
Safe Harbor Fiduciary, LLC120$6.79K0.01%00.0%Unchanged
West Branch Capital LLC125$7.07K0.00%00.0%Unchanged
Dunhill Financial, LLC126$7.13K0.00%−25−16.6%Reduced
Murphy & Mullick Capital Management Corp127$7.18K0.01%00.0%Unchanged
JNBA Financial Advisors129$7.30K0.00%00.0%Unchanged
Tanglewood Legacy Advisors, LLC135$7.64K0.00%00.0%Unchanged
Versant Capital Management, Inc147$8.34K0.00%00.0%Unchanged
Tidemark, LLC150$8.48K0.00%00.0%Unchanged
Accredited Wealth Management, LLC152$8.59K0.01%+2+1.3%Added
Northwestern Mutual Wealth Management Co154$8.71K0.00%−400−72.2%Reduced
Stephens Consulting, LLC179$10.1K0.00%00.0%Unchanged
Lavaca Capital LLC200$11.3K0.01%00.0%Unchanged
Bogart Wealth, LLC213$12.1K0.00%+1+0.5%Added
Crewe Advisors LLC220$12.4K0.00%+1+0.5%Added
GPS Wealth Strategies Group, LLC225$12.7K0.00%+50+28.6%Added
Smartleaf Asset Management LLC228$12.9K0.00%00.0%Unchanged
Archer Investment Corp230$13.0K0.00%+3+1.3%Added
Beacon Capital Management, LLC243$13.7K0.00%−68−21.9%Reduced
Webster Bank, N. A.300$17.0K0.00%−141−32.0%Reduced
Manchester Capital Management LLC300$17.0K0.00%00.0%Unchanged
IAG Wealth Partners, LLC300$17.0K0.00%00.0%Unchanged
Brown Brothers Harriman & Co301$17.0K0.00%00.0%Unchanged
Synergy Investment Management, LLC315$17.8K0.01%00.0%Unchanged
Asset Dedication, LLC325$18.4K0.00%00.0%Unchanged
Federation des caisses Desjardins du Quebec330$18.7K0.00%−122−27.0%Reduced
Assetmark, Inc357$20.2K0.00%00.0%Unchanged
Roxbury Financial LLC423$25.7K0.03%+7+1.7%Added
Smithfield Trust Co500$28.0K0.00%00.0%Unchanged
Thurston, Springer, Miller, Herd & Titak, Inc.500$28.3K0.00%−100−16.7%Reduced
Optimum Investment Advisors500$28.3K0.01%00.0%Unchanged
Moser Wealth Advisors, LLC500$28.3K0.01%00.0%Unchanged
Asset Planning,Inc500$28.3K0.02%00.0%Unchanged
Kiker Wealth Management, LLC522$29.5K0.02%+522New
Principal Securities, Inc.581$34.0K0.00%00.0%Unchanged
Prestige Wealth Management Group LLC650$36.8K0.01%00.0%Unchanged
Financial Network Wealth Advisors LLC682$38.6K0.05%+682New
Lowe Wealth Advisors, LLC700$39.6K0.02%00.0%Unchanged
Spire Wealth Management700$39.6K0.00%+700New
Hazlett, Burt & Watson, Inc.700$40.0K0.02%00.0%Unchanged
Wellington Shields & Co., LLC725$41.0K0.01%+725New
Capital Advisors, Ltd. LLC750$42.0K0.01%00.0%Unchanged
Russell Investments Group, Ltd.794$44.9K0.00%+105+15.2%Added
Colonial Trust Advisors807$45.6K0.00%+15+1.9%Added
Financial Management Professionals, Inc.825$46.7K0.01%00.0%Unchanged
Quarry LP843$47.7K0.01%+843New
CWM, LLC850$48.0K0.00%−1,606−65.4%Reduced
Truvestments Capital LLC873$49.4K0.01%+101+13.1%Added
EverSource Wealth Advisors, LLC931$52.7K0.00%−152−14.0%Reduced
NBC Securities, Inc.958$54.0K0.00%+958New
Bryn Mawr Trust Co1,000$56.6K0.00%00.0%Unchanged
Winch Advisory Services, LLC1,004$56.8K0.02%+16+1.6%Added
Wealth Preservation Advisors, LLC1,025$58.0K0.04%+1,025New
Avion Wealth1,000$58.0K0.01%00.0%Unchanged
Umb Bank N A1,034$58.5K0.00%00.0%Unchanged
Tower Research Capital LLC (TRC)1,060$59.2K0.00%−978−48.0%Reduced
Carolinas Wealth Consulting LLC1,058$59.8K0.01%+13+1.2%Added
Caitong International Asset Management Co., Ltd1,087$61.5K0.05%+1,087New
Washington Trust Advisors, Inc.1,129$63.9K0.01%00.0%Unchanged
Princeton Global Asset Management LLC1,289$72.9K0.01%+3+0.2%Added
AdvisorNet Financial, Inc1,311$74.2K0.01%+82+6.7%Added
Signaturefd, LLC1,527$86.4K0.00%+33+2.2%Added
Geneos Wealth Management Inc.1,571$88.9K0.00%−260−14.2%Reduced
GWM Advisors LLC1,655$93.6K0.00%+1,625+5,416.7%Added
CoreCap Advisors, LLC1,662$94.0K0.00%+17+1.0%Added
FNY Investment Advisers, LLC1,694$95.0K0.06%+1,694New
National Bank of Canada2,040$115.2K0.00%+500+32.5%Added
Elite Financial, Inc.2,250$127.0K0.07%+2,250New
Private Trust Co NA2,258$127.7K0.01%−140−5.8%Reduced
IFP Advisors, Inc2,272$128.5K0.00%+553+32.2%Added
Register Financial Advisors LLC2,443$138.2K0.07%−475−16.3%Reduced
CIBC Private Wealth Group, LLC2,847$139.9K0.00%−593−17.2%Reduced
Newbridge Financial Services Group, Inc.2,547$144.0K0.03%+436+20.7%Added
Vaughan Nelson Investment Management, L.P.2,650$150.0K0.00%00.0%Unchanged
State of Wyoming2,739$154.9K0.02%+2,739New