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Builders FirstSource

758 hedge funds and large institutions have $13.6B invested in Builders FirstSource in 2025 Q3 according to their latest regulatory filings, with 109 funds opening new positions, 249 increasing their positions, 295 reducing their positions, and 95 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more ownership

Funds ownership:

less funds holding

Funds holding:

5% less call options, than puts

Call options by funds: $208M | Put options by funds: $220M

16% less repeat investments, than reductions

Existing positions increased: 249 | Existing positions reduced: 295

19% less funds holding in top 10

Funds holding in top 10: 1613 (-3)

Holders
758
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
13
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$208M
Puts
$220M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
SIC
126
Schwartz Investment Counsel
Michigan
$9.92M
Manulife (Manufacturers Life Insurance)
127
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$9.88M
Bank of Montreal
128
Bank of Montreal
Ontario, Canada
$9.76M
LFCM
129
Long Focus Capital Management
Puerto Rico
$9.7M
WTC
130
WhitTier Trust Company
Nevada
$9.53M
Osaic Holdings
131
Osaic Holdings
Arizona
$9.43M
Aviva
132
Aviva
United Kingdom
$9.39M
MLIM
133
Mountain Lake Investment Management
Florida
$9.28M
TC
134
TwinBeech Capital
New York
$9.19M
WA
135
Watchtower Advisors
Connecticut
$9.09M
MLL
136
Moody Lynn & Lieberson
Massachusetts
$8.93M
AQR Capital Management
137
AQR Capital Management
Connecticut
$8.91M
PCH
138
Polar Capital Holdings
United Kingdom
$8.86M
ZP
139
Zimmer Partners
New York
$8.85M
Natixis Advisors
140
Natixis Advisors
Massachusetts
$8.65M
National Bank of Canada
141
National Bank of Canada
Quebec, Canada
$8.44M
Ohio Public Employees Retirement System (OPERS)
142
Ohio Public Employees Retirement System (OPERS)
Ohio
$8.39M
Korea Investment Corp
143
Korea Investment Corp
South Korea
$8.27M
Aberdeen Group
144
Aberdeen Group
United Kingdom
$8.26M
Robeco Institutional Asset Management
145
Robeco Institutional Asset Management
Netherlands
$8.14M
LC
146
Littlejohn & Co
Connecticut
$8.12M
QCM
147
Quantinno Capital Management
New York
$7.82M
State of Wisconsin Investment Board
148
State of Wisconsin Investment Board
Wisconsin
$7.79M
Canada Life
149
Canada Life
Manitoba, Canada
$7.68M
OWIM
150
Old West Investment Management
California
$7.68M