Main Street Capital logo

Main Street Capital

MAINNYSE

Main Street Capital is a asset management company in the financial services sector on NYSE, led by Dwayne L. Hyzak, with a market cap of $5.6B. As of Q3 2025, 22% of shares are held by 401 institutional investors, with PRICE T ROWE ASSOCIATES INC /MD/ as the largest holder at 2.88%.

Chief Executive OfficerDwayne L. Hyzak
Market Cap$5.6B
Asset Management
Financial Services
Employees100.0
Country
United States of America

Overview

Overview of institutional ownership in MAIN as of Q3 2025 with a market cap of $5.7B

All Institutions

Institutions
401
Value Held
$1.3B
Shares Held
20.0M
Avg Position
$3.2M
Median Position
$449.6K

Hedge Funds

Hedge Funds
15
Value Held
$28.1M
Shares Held
442.1K
Avg Position
$1.9M
Median Position
$1.0M

Ownership Breakdown

Institutional (non-HF): 21.81%Institutional (non-HF)Hedge Funds: 0.49%Retail & Other: 77.70%Retail & Other
Institutional (non-HF)
21.81%
$1.2B
Hedge Funds
0.494%
$28.1M
Retail & Other
77.7%
$4.4B

Based on market cap of $5.7B as of Q3 2025. Institutional (non-HF) excludes hedge funds to avoid double counting.

Biggest Investors

Institutions with the largest positions in MAIN as of Q3 2025

InstitutionPosition Value
$163.5M
0.02% of portfolio
$155.7M
0.16% of portfolio
MORGAN STANLEY logo
MORGAN STANLEY
RIA/Wealth
$62.7M
0.00% of portfolio
UBS Group AG logo
UBS Group AG
Institution
$55.1M
0.01% of portfolio
$39.7M
0.01% of portfolio
$28.9M
1.76% of portfolio
Invesco Ltd. logo
Invesco Ltd.
ETF Provider
$28.3M
0.00% of portfolio
$24.3M
0.00% of portfolio
L
$24.3M
0.01% of portfolio
Muzinich & Co., Inc. logo
Muzinich & Co., Inc.
Long Only Manager
$23.3M
9.05% of portfolio

Net Capital Flow

Institutional buying and selling activity for MAIN in Q3 2025

Traded
+$26.1M
Buyers
194
Sellers
126
Total Bought
+$202.2M
Total Sold
$176.0M
Avg Position
$2.9M

Biggest Buyers

InstitutionNet Bought
+$78.2M
+1.2M shares
UBS Group AG logo
UBS Group AG
Institution
+$34.0M
+534.4K shares
+$17.8M
+280.2K shares
+$11.6M
+181.7K shares
+$3.5M
+55.7K shares
BALYASNY ASSET MANAGEMENT LLC logo
BALYASNY ASSET MANAGEMENT LLC
Hedge FundMulti-Strategy
+$3.3M
+52.1K shares
Muzinich & Co., Inc. logo
Muzinich & Co., Inc.
Long Only Manager
+$3.2M
+50.3K shares
+$3.0M
+47.3K shares
+$2.9M
+45.8K shares
L
+$2.6M
+40.5K shares

Biggest Sellers

InstitutionNet Sold
$59.1M
928.8K shares
B
BlackRock, Inc.
Institution
$23.4M
367.7K shares
$12.7M
215.5K shares
$8.7M
146.6K shares
$6.7M
104.7K shares
LOOMIS SAYLES & CO L P logo
LOOMIS SAYLES & CO L P
Long Only Manager
$5.9M
100.0K shares
$4.9M
76.7K shares
TWO SIGMA ADVISERS, LLC logo
TWO SIGMA ADVISERS, LLC
Hedge FundMulti-Strategy
$4.9M
82.4K shares
$4.1M
64.6K shares
Invesco Ltd. logo
Invesco Ltd.
ETF Provider
$4.0M
62.7K shares

Entry and Exit Activity

Institutions that initiated new positions or completely exited MAIN in Q3 2025

New Positions
25
New Value
$24.9M
Exited Positions
31
Exited Value
$42.9M

New Positions

InstitutionPosition Value
$17.8M
280.2K shares
$3.5M
55.7K shares
$652.3K
10.3K shares
$383.0K
6.0K shares
$381.2K
6.0K shares
$300.5K
4.7K shares
$257.9K
4.1K shares
$249.0K
3.9K shares
$240.1K
3.8K shares
$238.0K
3.7K shares

Exited Positions

InstitutionPrevious Position
$12.7M
215.5K shares
$8.7M
146.6K shares
LOOMIS SAYLES & CO L P logo
LOOMIS SAYLES & CO L P
Long Only Manager
$5.9M
100.0K shares
TWO SIGMA ADVISERS, LLC logo
TWO SIGMA ADVISERS, LLC
Hedge FundMulti-Strategy
$4.9M
82.4K shares
$3.0M
51.6K shares
Trexquant Investment LP logo
Trexquant Investment LP
Hedge FundQuant
$1.5M
25.5K shares
$1.2M
19.8K shares
$743.5K
12.6K shares
$577.9K
9.8K shares
A
AXA
Institution
$500.6K
8.5K shares

Options Activity

Institutions with the largest Call and Put options positions in MAIN as of Q3 2025

Call Positions
6
Call Value
$19.3M
Put Positions
8
Put Value
$53.2M

Call Positions

InstitutionPosition Value
$13.8M
2.2K contracts
$2.8M
433.0 contracts
CITADEL ADVISORS LLC logo
CITADEL ADVISORS LLC
Hedge FundMulti-Strategy
$2.3M
364.0 contracts
TUDOR INVESTMENT CORP ET AL logo
TUDOR INVESTMENT CORP ET AL
Hedge FundMulti-Strategy
$464.2K
73.0 contracts
$12.7K
2.0 contracts
-
- contracts

Put Positions

InstitutionPosition Value
CITIGROUP INC logo
CITIGROUP INC
Institution
$31.8M
5.0K contracts
MILLENNIUM MANAGEMENT LLC logo
MILLENNIUM MANAGEMENT LLC
Hedge FundMulti-Strategy
$9.0M
1.4K contracts
$6.2M
974.0 contracts
CITADEL ADVISORS LLC logo
CITADEL ADVISORS LLC
Hedge FundMulti-Strategy
$3.0M
475.0 contracts
Crawford Fund Management, LLC logo
Crawford Fund Management, LLC
Hedge FundLong/Short
$1.4M
220.0 contracts
$820.3K
129.0 contracts
$686.8K
108.0 contracts
TUDOR INVESTMENT CORP ET AL logo
TUDOR INVESTMENT CORP ET AL
Hedge FundMulti-Strategy
$292.5K
46.0 contracts

Most Committed Institutions

Institutions with MAIN as the highest % of their portfolio as of Q3 2025

InstitutionPortfolio Weight
Muzinich & Co., Inc. logo
Muzinich & Co., Inc.
Long Only Manager
9.05%
$23.3M
4.23%
$1.1M
2.50%
$10.9M
2.29%
$5.2M
1.76%
$28.9M
H
HOURGLASS CAPITAL, LLC
Long Only Manager
1.74%
$7.8M
1.73%
$13.0M
S
SHARPEPOINT LLC
RIA/Wealth
1.71%
$1.8M
1.63%
$3.3M
1.29%
$7.0M

Hedge Fund Spotlight

Discover hedge funds investing in MAIN

Quantbot Technologies LLC logo
Quantbot Technologies LLC
Hedge FundQuant
Portfolio ManagerPaul Edward White
Portfolio Value
$3.7B
Positions
1,694
Last Reported
Q3 2025
AddressNew York, NY
Sector Allocation
Technology: 17.40%TechnologyFinancial Services: 15.90%Financial ServicesIndustrials: 14.30%IndustrialsConsumer Cyclical: 11.70%Consumer CyclicalHealthcare: 7.60%Energy: 5.60%Basic Materials: 5.50%Real Estate: 4.60%Consumer Defensive: 4.50%Communication Services: 3.40%Utilities: 2.60%ETF: 0.90%
Main Street Capital logo

Position in Main Street Capital

Market Value
$3.4M
Shares Held
54.2K
Portfolio Weight
0.09%
Owned Since
2022-Q1
Top HoldingSectorMarket ValueWeight
Financial - Credit Services
Financial Services
$29.1M0.79%
Semiconductors
Technology
$27.8M0.75%
Conglomerates
Industrials
$27.6M0.75%

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