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Builders FirstSource

756 hedge funds and large institutions have $10.8B invested in Builders FirstSource in 2025 Q4 according to their latest regulatory filings, with 112 funds opening new positions, 261 increasing their positions, 298 reducing their positions, and 118 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

less first-time investments, than exits

New positions opened: | Existing positions closed:

less funds holding

Funds holding:

less ownership

Funds ownership:

8% less funds holding in top 10

Funds holding in top 10: 1312 (-1)

12% less repeat investments, than reductions

Existing positions increased: 261 | Existing positions reduced: 298

20% less capital invested

Capital invested by funds: $13.6B → $10.8B (-$2.77B)

Holders
756
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
12
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$160M
Puts
$158M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
AIM
126
Achmea Investment Management
Netherlands
$10.1M
Corient Private Wealth
127
Corient Private Wealth
Florida
$10.1M
ACM
128
Aquatic Capital Management
Illinois
$9.99M
SEI Investments
129
SEI Investments
Pennsylvania
$9.99M
Russell Investments Group
130
Russell Investments Group
United Kingdom
$9.96M
SIC
131
Schwartz Investment Counsel
Michigan
$9.86M
MPM
132
Mountaineer Partners Management
New York
$9.68M
GC
133
Giverny Capital
Quebec, Canada
$9.26M
New York State Teachers Retirement System (NYSTRS)
134
New York State Teachers Retirement System (NYSTRS)
New York
$9.19M
OSAM
135
O'Shaughnessy Asset Management
Connecticut
$9.01M
PL
136
Parkwood LLC
Ohio
$8.87M
PCMI
137
Paradigm Capital Management Inc
New York
$8.82M
DLP
138
De Lisle Partners
United Kingdom
$8.69M
MLIM
139
Mountain Lake Investment Management
Florida
$8.64M
Bank of Montreal
140
Bank of Montreal
Ontario, Canada
$8.61M
Aviva
141
Aviva
United Kingdom
$8.56M
WG
142
Winton Group
United Kingdom
$8.56M
National Bank of Canada
143
National Bank of Canada
Quebec, Canada
$8.38M
Thrivent Financial for Lutherans
144
Thrivent Financial for Lutherans
Minnesota
$8.01M
Manulife (Manufacturers Life Insurance)
145
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$7.97M
WTC
146
WhitTier Trust Company
Nevada
$7.9M
CCIA
147
Campbell & Co Investment Adviser
Maryland
$7.72M
State of Wisconsin Investment Board
148
State of Wisconsin Investment Board
Wisconsin
$7.57M
RA
149
Royce & Associates
New York
$7.52M
PCH
150
Polar Capital Holdings
United Kingdom
$7.46M