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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, Q4 2024

Institutional positions in Main Street Capital CORP as of Dec 31, 2024. 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
401
+54 vs. Q3 2024
Shares held
18.9M
+498.6K (+2.7%) vs. Q3 2024
Total value
$1.10B
+$183.4M (+19.9%) vs. Q3 2024
New holders
81
158 more added
Sold out
27
72 more reduced

7 institutions that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 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 holdersQ4 2024: 401 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 2024: $1.10B
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 2024

Shares, value and share of portfolio for each institution holding Main Street Capital CORP; share changes are against Q3 2024.

Institutions holding MAIN in Q4 2024
InstitutionSharesValue% of portfolioChange in sharesAction
PayPay Securities Corp1$590.00%+1New
Balyasny Asset Management LLC0$00.00%−190,400−100.0%Sold out
Miller Howard Investments Inc0$00.00%−100,000−100.0%Sold out
Jane Street Group, LLC0$00.00%−66,336−100.0%Sold out
D. E. Shaw & Co., Inc.0$00.00%−56,342−100.0%Sold out
International Assets Investment Management, LLC0$00.00%−112,182−100.0%Sold out
Atom Investors LP0$00.00%−44,532−100.0%Sold out
Schonfeld Strategic Advisors LLC0$00.00%−30,731−100.0%Sold out
FJ Capital Management LLC0$00.00%−21,664−100.0%Sold out
Quantbot Technologies LP0$00.00%−20,746−100.0%Sold out
Qube Research & Technologies Ltd0$00.00%−17,035−100.0%Sold out
Centaurus Financial, Inc.0$00.00%−14,742−100.0%Sold out
Verition Fund Management LLC0$00.00%−11,197−100.0%Sold out
FORA Capital, LLC0$00.00%−8,576−100.0%Sold out
Susquehanna International Group, LLP0$00.00%−5,227−100.0%Sold out
Virtus Investment Advisers, Inc.0$00.00%−5,094−100.0%Sold out
Transform Wealth, LLC0$00.00%−4,350−100.0%Sold out
Bridgefront Capital, LLC0$00.00%−4,211−100.0%Sold out
State of Wyoming0$00.00%−2,149−100.0%Sold out
Hilltop National Bank0$00.00%−1,300−100.0%Sold out
Reuter James Wealth Management, LLC0$00.00%−1,000−100.0%Sold out
NBC Securities, Inc.0$00.00%−934−100.0%Sold out
Financial Network Wealth Advisors LLC0$00.00%−731−100.0%Sold out
FNY Investment Advisers, LLC0$00.00%−600−100.0%Sold out
Godsey & Gibb Associates0$00.00%−554−100.0%Sold out
Householder Group Estate & Retirement Specialist, LLC0$00.00%−488−100.0%Sold out
Cedar Mountain Advisors, LLC0$00.00%−167−100.0%Sold out
Ancora Advisors, LLC0$00.00%−12−100.0%Sold out
Raymond James Financial Services Advisors, Inc.––––Not filed
Raymond James & Associates––––Not filed
Inscription Capital, LLC––––Not filed
SpiderRock Advisors, LLC––––Not filed
Raymond James Trust N.A.––––Not filed
Planning Capital Management Corp––––Not filed
FinTrust Capital Advisors, LLC––––Not filed