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Builders FirstSource

765 hedge funds and large institutions have $10.8B invested in Builders FirstSource in 2025 Q4 according to their latest regulatory filings, with 116 funds opening new positions, 262 increasing their positions, 301 reducing their positions, and 118 closing their positions.

New
Increased
Maintained
Reduced
Closed

1% more call options, than puts

Call options by funds: $160M | Put options by funds: $158M

0% more funds holding in top 10

Funds holding in top 10: 1313 (0)

2% less first-time investments, than exits

New positions opened: 116 | Existing positions closed: 118

1% less funds holding

Funds holding: 775765 (-10)

6.28% less ownership

Funds ownership: 101.37%95.09% (-6.3%)

13% less repeat investments, than reductions

Existing positions increased: 262 | Existing positions reduced: 301

20% less capital invested

Capital invested by funds: $13.6B → $10.8B (-$2.76B)

Holders
765
Holders Change
-10
Holders Change %
-1.29%
% of All Funds
9.3%
Holding in Top 10
13
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.16%
New
116
Increased
262
Reduced
301
Closed
118
Calls
$160M
Puts
$158M
Net Calls
+$2.3M
Net Calls Change
+$14.3M
Name Holding Trade Value Shares
Change
Change in
Stake
AIMCA
326
Alberta Investment Management Corp (AIMCo)
Alberta, Canada
$1.24M +$1.36M +12,100 New
Canada Pension Plan Investment Board
327
Canada Pension Plan Investment Board
Ontario, Canada
$1.22M -$281K -2,500 -17%
SIA
328
Strategic Investment Advisors
Michigan
$1.21M -$133K -1,187 -9%
MF
329
Magnetar Financial
Illinois
$1.2M +$1.31M +11,652 New
CG
330
Caprock Group
Idaho
$1.2M +$158K +1,405 +14%
PEAK6
331
PEAK6
Illinois
$1.19M -$813K -7,238 -39%
Mariner
332
Mariner
Kansas
$1.18M -$3.27M -29,077 -72%
WF
333
WinCap Financial
Massachusetts
$1.17M +$60.1K +535 +5%
BOTPPF
334
Board of the Pension Protection Fund
United Kingdom
$1.17M +$405K +3,600 +46%
Walleye Trading
335
Walleye Trading
New York
$1.16M -$2.21M -19,645 -64%
VPIM
336
Vanguard Personalized Indexing Management
California
$1.16M +$14.9K +133 +1%
VWM
337
VCI Wealth Management
Missouri
$1.14M +$482K +4,288 +63%
SOADOR
338
State of Alaska Department of Revenue
Alaska
$1.13M -$98.3K -875 -7%
SLAM
339
Swiss Life Asset Management
$1.08M +$57K +507 +5%
EGM
340
Engineers Gate Manager
New York
$1.08M -$2.5M -22,271 -68%
RCAG
341
Rehmann Capital Advisory Group
Michigan
$1.07M +$272K +2,422 +31%
JF
342
Jump Financial
Illinois
$1.06M +$855K +7,607 +284%
Fuller & Thaler Asset Management
343
Fuller & Thaler Asset Management
California
$1.05M
BCI
344
Brinker Capital Investments
Pennsylvania
$1.03M -$481K -4,280 -30%
CAM
345
Crown Advisors Management
California
$1.03M
CCS
346
Concentric Capital Strategies
Connecticut
$1.03M -$8.78M -78,110 -89%
Macquarie Group
347
Macquarie Group
Australia
$1.02M -$347K -3,084 -24%
SFM
348
Soros Fund Management
New York
$1.01M +$1.1M +9,828 New
WA
349
Wasatch Advisors
Utah
$1.01M +$306K +2,722 +38%
P
350
PensionDanmark
Denmark
$1.01M +$1.1M +9,800 New