13F Insight
DOSSIER · 13F Holders · Q1 2026Consumer Cyclical · Retail-Lumber & Other Building Materials DealersInflation hedgeYield
BLDR

BUILDERS FIRSTSOURCE INC

768 institutions still hold BUILDERS FIRSTSOURCE INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 12008R107·Retail-Lumber & Other Building Materials Dealers·768 13F holders·last filed Mar 31, 2026
Market cap
—
▼ 3.2%
vs prior quarter
13F value held
$4.9B
47.0% inst. owned
of float
Holders
768
-38 QoQ
filers reporting
Activity
+39 / −38
+881 added · −874 reduced
this quarter
Concentration
14.69%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

768 institutions reported BLDR in Q1 2026. BlackRock, Inc. leads at 14.7% of the visible book. -38 net institutions QoQ — distribution reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$721M8.8M0.01%Q1 202602
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$579M7.0M0.01%Q1 202603
STATE STREET CORP
CIK 0000093751
$422M5.1M0.01%Q1 202604
Vanguard Portfolio Management
CIK 0002100121
$356M4.3M0.02%Q1 202605
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$303M3.7M0.06%Q1 202606
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$244M3.0M0.05%Q1 202607
Capital International Investors
CIK 0001562230
$242M2.9M0.06%Q1 202608
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$237M2.9M0.01%Q1 202609
SANDS CAPITAL MANAGEMENT, LLC
CIK 0001020066
$216M2.6M0.85%Q1 202610
Invesco Ltd.
CIK 0000914208
$214M2.6M0.03%Q1 202611
Brave Warrior Advisors, LLC
CIK 0001553733
$195M2.4M4.83%Q1 202612
Coliseum Capital Management, LLC
CIK 0001409751
$172M2.1M14.13%Q1 202613
CITADEL ADVISORS LLC
CIK 0001423053
$165M1.6M0.02%Q4 202514
DIAMOND HILL CAPITAL MANAGEMENT INC
CIK 0001217541
$145M1.8M0.91%Q1 202615
GOLDMAN SACHS GROUP INC
CIK 0000886982
$141M1.7M0.02%Q1 202616
Boston Partners
CIK 0001386060
$132M1.6M0.14%Q1 202617
MORGAN STANLEY
CIK 0000895421
$116M1.4M0.01%Q1 202618
Pictet Asset Management Holding SA
CIK 0001993888
$113M1.4M0.12%Q1 202619
FMR LLC
CIK 0000315066
$104M1.3M0.01%Q1 202620
DEUTSCHE BANK AG\
CIK 0000948046
$93M1.1M0.03%Q1 2026
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