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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
VAS
476
Vestmark Advisory Solutions
Massachusetts
$286K
DMBA
477
Deseret Mutual Benefit Administrators
Utah
$284K
TWM
478
Triton Wealth Management
Arizona
$283K
NEWAS
479
N.E.W. Advisory Services
Wisconsin
$283K
ACA
480
Atlas Capital Advisors
Wyoming
$281K
OIAM
481
OFI Invest Asset Management
France
$280K
JF
482
Jump Financial
Illinois
$279K
SOW
483
State of Wyoming
Wyoming
$277K
PFM
484
Patton Fund Management
Texas
$277K
IFS
485
Ifrah Financial Services
Arkansas
$276K
BCV
486
Banque Cantonale Vaudoise
Switzerland
$273K
WEG
487
World Equity Group
Illinois
$272K
WC
488
Wexford Capital
Florida
$272K
KAS
489
Kestra Advisory Services
Texas
$270K
HI
490
Horizon Investments
North Carolina
$270K
BMSSC
491
B. Metzler seel. Sohn & Co
Germany
$267K
QCM
492
QRG Capital Management
Illinois
$267K
SFA
493
Sequoia Financial Advisors
Ohio
$266K
Calamos Advisors
494
Calamos Advisors
Illinois
$264K
CWM
495
Calamos Wealth Management
Illinois
$264K
PCM
496
Penserra Capital Management
California
$264K
MGP
497
Metis Global Partners
California
$262K
VSQM
498
V-Square Quantitative Management
Illinois
$262K
NDSIB
499
North Dakota State Investment Board
North Dakota
$261K
AT
500
American Trust
Kentucky
$258K