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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
TRCT
551
Tower Research Capital (TRC)
New York
$128K
SPIA
552
Steward Partners Investment Advisory
New York
$126K
PCTC
553
Perkins Coie Trust Company
Washington
$118K
BOTPPF
554
Board of the Pension Protection Fund
United Kingdom
$115K
ASN
555
Advisory Services Network
Georgia
$114K
Northwestern Mutual Wealth Management
556
Northwestern Mutual Wealth Management
Wisconsin
$111K
TE
557
Tema ETFs
New York
$105K
RBI
558
Raiffeisen Bank International
Austria
$103K
PA
559
Parallel Advisors
California
$102K
SAM
560
Storebrand Asset Management
Norway
$93.9K
CFG
561
Chapman Financial Group
Hawaii
$90.2K
CPCPP
562
Canada Post Corporation Pension Plan
Canada
$84.8K
PMAM
563
Picton Mahoney Asset Management
Ontario, Canada
$83.3K
SIC
564
Salem Investment Counselors
North Carolina
$78.2K
S
565
SignatureFD
Georgia
$78K
LS
566
Livforsakringsbolaget Skandia
Sweden
$74.3K
CI
567
CX Institutional
Indiana
$69K
Fidelity International
568
Fidelity International
Bermuda
$66.8K
WBC
569
Westpac Banking Corp
Australia
$65.5K
TFA
570
Transamerica Financial Advisors
Florida
$65.5K
EB
571
Eastern Bank
Massachusetts
$61.4K
BTI
572
Blue Trust Inc
Georgia
$59.2K
HNB
573
Huntington National Bank
Ohio
$58.6K
SAM
574
Smartleaf Asset Management
Massachusetts
$56.9K
UB
575
UMB Bank
Missouri
$55K