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Builders FirstSource

756 hedge funds and large institutions have $10.8B invested in Builders FirstSource in 2025 Q4 according to their latest regulatory filings, with 112 funds opening new positions, 261 increasing their positions, 298 reducing their positions, and 118 closing their positions.

New
Increased
Maintained
Reduced
Closed

more call options, than puts

Call options by funds: $ | Put options by funds: $

less first-time investments, than exits

New positions opened: | Existing positions closed:

less funds holding

Funds holding:

less ownership

Funds ownership:

8% less funds holding in top 10

Funds holding in top 10: 1312 (-1)

12% less repeat investments, than reductions

Existing positions increased: 261 | Existing positions reduced: 298

20% less capital invested

Capital invested by funds: $13.6B → $10.8B (-$2.77B)

Holders
756
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
12
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$160M
Puts
$158M
Net Calls
Net Calls Change
Name Holding Trade Value Shares
Change
Change in
Stake
SIA
326
Strategic Investment Advisors
Michigan
$1.21M
MF
327
Magnetar Financial
Illinois
$1.2M
CG
328
Caprock Group
Idaho
$1.2M
PEAK6
329
PEAK6
Illinois
$1.19M
Mariner
330
Mariner
Kansas
$1.18M
WF
331
WinCap Financial
Massachusetts
$1.17M
BOTPPF
332
Board of the Pension Protection Fund
United Kingdom
$1.17M
Walleye Trading
333
Walleye Trading
New York
$1.16M
VPIM
334
Vanguard Personalized Indexing Management
California
$1.16M
VWM
335
VCI Wealth Management
Missouri
$1.14M
SOADOR
336
State of Alaska Department of Revenue
Alaska
$1.13M
SLAM
337
Swiss Life Asset Management
$1.08M
EGM
338
Engineers Gate Manager
New York
$1.08M
RCAG
339
Rehmann Capital Advisory Group
Michigan
$1.07M
JF
340
Jump Financial
Illinois
$1.06M
Fuller & Thaler Asset Management
341
Fuller & Thaler Asset Management
California
$1.05M
BCI
342
Brinker Capital Investments
Pennsylvania
$1.03M
CAM
343
Crown Advisors Management
California
$1.03M
CCS
344
Concentric Capital Strategies
Connecticut
$1.03M
Macquarie Group
345
Macquarie Group
Australia
$1.02M
SFM
346
Soros Fund Management
New York
$1.01M
WA
347
Wasatch Advisors
Utah
$1.01M
Brown Advisory
348
Brown Advisory
Maryland
$1M
Rockefeller Capital Management
349
Rockefeller Capital Management
New York
$1M
ECP
350
Epacria Capital Partners
Colorado
$998K