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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

61% more call options, than puts

Call options by funds: $178M | Put options by funds: $111M

15% more repeat investments, than reductions

Existing positions increased: 274 | Existing positions reduced: 239

0.85% more ownership

Funds ownership: 95.09%95.93% (+0.85%)

0% more funds holding in top 10

Funds holding in top 10: 1313 (0)

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
-46
Holders Change %
-6.01%
% of All Funds
8.85%
Holding in Top 10
13
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.16%
New
104
Increased
274
Reduced
239
Closed
135
Calls
$178M
Puts
$111M
Net Calls
+$67.3M
Net Calls Change
+$65M
Name Holding Trade Value Shares
Change
Change in
Stake
ALAM
501
Asahi Life Asset Management
Japan
$257K +$334K +3,125 New
GIA
502
Guyasuta Investment Advisors
Pennsylvania
$257K
Royal London Asset Management
503
Royal London Asset Management
United Kingdom
$255K -$5.42M -50,770 -94%
MSA
504
MUFG Securities Americas
New York
$252K +$8.65K +81 +3%
SAM
505
Securian Asset Management
Minnesota
$244K
NFG
506
Northbridge Financial Group
Florida
$243K -$31K -290 -9%
Squarepoint
507
Squarepoint
New York
$242K -$1.93M -18,033 -86%
Artisan Partners
508
Artisan Partners
Wisconsin
$240K +$2.14K +20 +0.7%
PAG
509
Private Advisor Group
New Jersey
$238K +$17.3K +162 +6%
KRSITF
510
Kentucky Retirement Systems Insurance Trust Fund
Kentucky
$235K
CAM
511
Cidel Asset Management
Ontario, Canada
$234K +$75.6K +708 +33%
CIP
512
Cornerstone Investment Partners
Georgia
$233K +$303K +2,833 New
CVM
513
Cheviot Value Management
California
$233K +$16K +150 +6%
AFCM
514
Applied Finance Capital Management
Puerto Rico
$231K +$8.01K +75 +3%
WS
515
Wedbush Securities
California
$229K +$15.4K +144 +5%
BSI
516
Bennett Selby Investments
Maine
$227K -$17.1K -160 -5%
SWA
517
SFMG Wealth Advisors
Texas
$227K
BIG
518
Brooklyn Investment Group
New York
$225K +$292K +2,736 New
IWC
519
Integrated Wealth Concepts
Massachusetts
$225K +$291K +2,728 New
WT
520
Washington Trust
Rhode Island
$222K -$14.1K -132 -5%
LFG
521
Larson Financial Group
Missouri
$222K -$48.2K -451 -14%
CIM
522
Cambria Investment Management
California
$220K +$285K +2,671 New
SFM
523
Soros Fund Management
New York
$219K -$766K -7,172 -73%
SFS
524
Sowell Financial Services
Arkansas
$217K -$81.5K -763 -22%
CAM
525
Councilmark Asset Management
Tennessee
$215K -$4.27K -40 -2%