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Builders FirstSource

719 hedge funds and large institutions have $8.74B invested in Builders FirstSource in 2026 Q1 according to their latest regulatory filings, with 104 funds opening new positions, 274 increasing their positions, 239 reducing their positions, and 135 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

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

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more ownership

Funds ownership:

more funds holding in top 10

Funds holding in top 10:

6% less funds holding

Funds holding: 765719 (-46)

19% less capital invested

Capital invested by funds: $10.8B → $8.74B (-$2.09B)

23% less first-time investments, than exits

New positions opened: 104 | Existing positions closed: 135

Holders
719
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
$178M
Puts
$111M
Net Calls
Net Calls Change

Top Sellers

1 -$236M
2 -$180M
3 -$175M
4
Citadel Advisors
Citadel Advisors
Florida
-$79.4M
5
AssetMark Inc
AssetMark Inc
California
-$61.2M
Name Holding Trade Value Shares
Change
Change in
Stake
EF
201
Empowered Funds
Pennsylvania
$3.09M
VLKIM
202
Van Lanschot Kempen Investment Management
Netherlands
$3.09M
State of New Jersey Common Pension Fund D
203
State of New Jersey Common Pension Fund D
New Jersey
$3.06M
MOACM
204
Mutual of America Capital Management
New York
$3.02M
Corient Private Wealth
205
Corient Private Wealth
Florida
$2.95M
HCMT
206
Highland Capital Management (Tennessee)
Tennessee
$2.9M
Man Group
207
Man Group
United Kingdom
$2.89M
SOMRS
208
State of Michigan Retirement System
Michigan
$2.84M
AC
209
Asio Capital
Kentucky
$2.82M
Handelsbanken Fonder
210
Handelsbanken Fonder
Sweden
$2.82M
RIA
211
Regal Investment Advisors
Michigan
$2.81M
TAF
212
Tredje AP-fonden
Sweden
$2.79M
AG
213
Ascent Group
Virginia
$2.79M
FDCDDQ
214
Federation des caisses Desjardins du Quebec
Quebec, Canada
$2.77M
SDIC
215
South Dakota Investment Council
South Dakota
$2.76M
RAM
216
Resona Asset Management
Japan
$2.74M
Qube Research & Technologies (QRT)
217
Qube Research & Technologies (QRT)
United Kingdom
$2.71M
RCM
218
Rockbridge Capital Management
Virginia
$2.71M
Mercer Global Advisors
219
Mercer Global Advisors
Colorado
$2.69M
Toronto Dominion Bank
220
Toronto Dominion Bank
Ontario, Canada
$2.67M
Ohio Public Employees Retirement System (OPERS)
221
Ohio Public Employees Retirement System (OPERS)
Ohio
$2.6M
Osaic Holdings
222
Osaic Holdings
Arizona
$2.56M
AIMCA
223
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$2.52M
DC
224
Davenport & Co
Virginia
$2.5M
Creative Planning
225
Creative Planning
Kansas
$2.5M