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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
Two Sigma Investments
401
Two Sigma Investments
New York
$541K
PP
402
Prudential plc
United Kingdom
$541K
RC
403
Roundview Capital
New Jersey
$540K
HIMCH
404
Hartford Investment Management Co (HIMCO)
Connecticut
$525K
FC
405
Farringdon Capital
United Kingdom
$515K
VI
406
Vestcor Inc
New Brunswick, Canada
$511K
TMAM
407
Tokio Marine Asset Management
Japan
$508K
NW
408
NewEdge Wealth
Pennsylvania
$497K
HR
409
Hardy Reed
Mississippi
$494K
CT
410
ClearAlpha Technologies
Connecticut
$477K
LAM
411
Lewis Asset Management
California
$475K
HCM
412
Hodges Capital Management
Texas
$472K
LSERS
413
Louisiana State Employees Retirement System
Louisiana
$461K
Allspring Global Investments
414
Allspring Global Investments
North Carolina
$459K
BEI
415
Benjamin Edwards Inc
Missouri
$450K
MGIA
416
Moneta Group Investment Advisors
Missouri
$447K
JWCA
417
J.W. Cole Advisors
Florida
$447K
SCA
418
Snowden Capital Advisors
New York
$444K
PAM
419
Panagora Asset Management
Massachusetts
$443K
QCG
420
Quadrant Capital Group
Ohio
$442K
MSRPS
421
Maryland State Retirement & Pension System
Maryland
$441K
AC
422
AlphaCore Capital
California
$437K
KOCAA
423
Knights of Columbus Asset Advisors
Connecticut
$435K
OAM
424
Oppenheimer Asset Management
New York
$430K
HWM
425
HB Wealth Management
Georgia
$428K