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Main Street Capital
MAIN

406 hedge funds and large institutions have $1.27B invested in Main Street Capital in 2025 Q3 according to their latest regulatory filings, with 43 funds opening new positions, 154 increasing their positions, 97 reducing their positions, and 32 closing their positions.

New
Increased
Maintained
Reduced
Closed

59% more repeat investments, than reductions

Existing positions increased: 154 | Existing positions reduced: 97

34% more first-time investments, than exits

New positions opened: 43 | Existing positions closed: 32

0% more funds holding

Funds holding: 404 → 406 (+2)

0.24% more ownership

Funds ownership: 22.18% → 22.42% (+0.24%)

3% less capital invested

Capital invested by funds: $1.31B → $1.27B (-$33M)

17% less funds holding in top 10

Funds holding in top 10: 6 → 5 (-1)

65% less call options, than puts

Call options by funds: $21.3M | Put options by funds: $61.5M

Holders
406
Holders Change
+2
Holders Change %
+0.5%
% of All Funds
5.33%
Holding in Top 10
5
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-16.67%
% of All Funds
0.07%
New
43
Increased
154
Reduced
97
Closed
32
Calls
$21.3M
Puts
$61.5M
Net Calls
-$40.3M
Net Calls Change
-$117K

Top Buyers

1
VanEck Associates
VanEck Associates
New York
+$79.5M
2
UBS Group
UBS Group
Switzerland
+$34.5M
3
Public Employees Retirement Association of Colorado
Public Employees Retirement Association of Colorado
Colorado
+$18.1M
4
JP Morgan Chase
JP Morgan Chase
New York
+$11.7M
5
BPA
Beacon Pointe Advisors
California
+$3.6M

Top Sellers

1
T. Rowe Price Associates
T. Rowe Price Associates
Maryland
-$60M
2
BlackRock
BlackRock
New York
-$23.8M
3
TA
Tectonic Advisors
Texas
-$12.7M
4
Marshall Wace
Marshall Wace
United Kingdom
-$8.67M
5
Qube Research & Technologies (QRT)
Qube Research & Technologies (QRT)
United Kingdom
-$6.76M
Name Holding Trade Value Shares
Change 		Change in
Stake
PFS
76
Prospera Financial Services
Texas
$3.06M -$110K -1,699 -3%
Millennium Management
77
Millennium Management
New York
$2.94M +$2.05M +31,727 +219%
Wealth Enhancement Advisory Services
78
Wealth Enhancement Advisory Services
Minnesota
$2.91M +$311K +4,806 +11%
Northern Trust
79
Northern Trust
Illinois
$2.86M +$649K +10,045 +29%
Luther King Capital Management (LKCM)
80
Luther King Capital Management (LKCM)
Texas
$2.7M – – –
DIM
81
Delta Investment Management
California
$2.69M +$99.8K +1,545 +4%
William Blair & Company
82
William Blair & Company
Illinois
$2.61M -$6.46K -100 -0.2%
FFB
83
First Financial Bankshares
Texas
$2.53M – – –
FIA
84
Foundations Investment Advisors
Arizona
$2.48M +$114K +1,760 +5%
SPC
85
Sigma Planning Corp
Michigan
$2.42M -$370K -5,732 -13%
GWM
86
Geneos Wealth Management
Colorado
$2.4M +$58.3K +902 +2%
FFN
87
Focus Financial Network
Minnesota
$2.36M +$215K +3,326 +10%
Bank of New York Mellon
88
Bank of New York Mellon
New York
$2.36M -$12.4K -192 -0.5%
ASN
89
Advisory Services Network
Georgia
$2.35M +$194 +3 +0%
CCM
90
Coldstream Capital Management
Washington
$2.35M +$20.3K +314 +0.9%
N
91
Natixis
France
$2.32M – – –
BAMF
92
BI Asset Management Fondsmaeglerselskab
Denmark
$2.3M +$2.29M +35,505 +5,556%
Mariner
93
Mariner
Kansas
$2.16M +$899K +13,914 +69%
AWA
94
Arkadios Wealth Advisors
Georgia
$2.08M +$4.91K +76 +0.2%
Citadel Advisors
95
Citadel Advisors
Florida
$2.06M +$2.09M +32,379 New
DP
96
Dearborn Partners
Illinois
$1.99M -$162K -2,510 -7%
Verition Fund Management
97
Verition Fund Management
Connecticut
$1.97M -$464K -7,172 -19%
SPIA
98
Steward Partners Investment Advisory
New York
$1.82M +$17.7K +274 +1%
S
99
SharpePoint
Arizona
$1.82M +$16.9K +262 +0.9%
Universal-Beteiligungs- und Servicegesellschaft
100
Universal-Beteiligungs- und Servicegesellschaft
Germany
$1.81M – – –
2 3
4
5 6

MAIN Hedge Fund Activity: Q3 2025 in Review

406 of the 7,619 institutional investors tracked by Wall St. Rank reported a position in Main Street Capital (MAIN) for Q3 2025, worth a combined $1.27B — down 2.5% from $1.31B a quarter earlier.

Buyers outnumbered sellers: 43 funds opened new MAIN positions and 32 closed out — a net gain of 11 holders — while 154 added to existing stakes and 97 trimmed.

The largest buyer was VanEck Associates, adding an estimated $79.5M. The largest seller was T. Rowe Price Associates, cutting an estimated $60M.

  • 406 institutional investors held Main Street Capital (MAIN) as of Q3 2025, up from 404 in Q2 2025.
  • Funds reported $1.27B of Main Street Capital stock for Q3 2025, down 2.5% quarter-over-quarter.
  • 43 funds opened new Main Street Capital positions in Q3 2025 and 32 closed out, a net change of +11 holders.
  • The largest Main Street Capital buyer in Q3 2025 was VanEck Associates, an estimated $79.5M added.
  • The largest Main Street Capital seller in Q3 2025 was T. Rowe Price Associates, an estimated $60M sold.

Based on aggregated 13F filings for Q3 2025.