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Builders FirstSource

752 hedge funds and large institutions have $10.8B invested in Builders FirstSource in 2025 Q4 according to their latest regulatory filings, with 111 funds opening new positions, 259 increasing their positions, 297 reducing their positions, and 119 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)

13% less repeat investments, than reductions

Existing positions increased: 259 | Existing positions reduced: 297

21% less capital invested

Capital invested by funds: $13.6B → $10.8B (-$2.81B)

Holders
752
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
MF
326
Magnetar Financial
Illinois
$1.2M
CG
327
Caprock Group
Idaho
$1.2M
PEAK6
328
PEAK6
Illinois
$1.19M
Mariner
329
Mariner
Kansas
$1.18M
WF
330
WinCap Financial
Massachusetts
$1.17M
BOTPPF
331
Board of the Pension Protection Fund
United Kingdom
$1.17M
Walleye Trading
332
Walleye Trading
New York
$1.16M
VPIM
333
Vanguard Personalized Indexing Management
California
$1.16M
VWM
334
VCI Wealth Management
Missouri
$1.14M
SOADOR
335
State of Alaska Department of Revenue
Alaska
$1.13M
SLAM
336
Swiss Life Asset Management
$1.08M
EGM
337
Engineers Gate Manager
New York
$1.08M
JF
338
Jump Financial
Illinois
$1.06M
Fuller & Thaler Asset Management
339
Fuller & Thaler Asset Management
California
$1.05M
BCI
340
Brinker Capital Investments
Pennsylvania
$1.03M
CAM
341
Crown Advisors Management
California
$1.03M
CCS
342
Concentric Capital Strategies
Connecticut
$1.03M
Macquarie Group
343
Macquarie Group
Australia
$1.02M
SFM
344
Soros Fund Management
New York
$1.01M
WA
345
Wasatch Advisors
Utah
$1.01M
Brown Advisory
346
Brown Advisory
Maryland
$1M
Rockefeller Capital Management
347
Rockefeller Capital Management
New York
$1M
ECP
348
Epacria Capital Partners
Colorado
$998K
STA
349
Summit Trail Advisors
New York
$995K
Public Employees Retirement Association of Colorado
350
Public Employees Retirement Association of Colorado
Colorado
$994K