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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
WF
326
WinCap Financial
Massachusetts
$1.05M +$144K +1,345 +12%
OPERF
327
Oregon Public Employees Retirement Fund
Oregon
$1.04M
AIP
328
Ameritas Investment Partners
Nebraska
$1.03M -$15K -140 -1%
BNP Paribas Asset Management
329
BNP Paribas Asset Management
France
$1.02M -$9.23M -86,393 -88%
WP
330
Woodline Partners
California
$998K +$1.29M +12,116 New
US Bancorp
331
US Bancorp
Minnesota
$987K -$46.8K -438 -4%
AC
332
Allstate Corporation
Illinois
$984K +$496K +4,640 +63%
FRM
333
Fox Run Management
Connecticut
$953K +$827K +7,746 +178%
RCAG
334
Rehmann Capital Advisory Group
Michigan
$953K +$131K +1,226 +12%
N
335
Natixis
France
$925K +$1.2M +11,233 New
SOADOR
336
State of Alaska Department of Revenue
Alaska
$910K +$10.7K +100 +0.9%
IIM
337
INTECH Investment Management
Florida
$905K +$1.17M +10,996 New
OTL
338
Oak Thistle LLC
New York
$904K +$1.17M +10,978 New
CCS
339
Concentric Capital Strategies
Connecticut
$903K +$106K +994 +10%
Schroder Investment Management Group
340
Schroder Investment Management Group
United Kingdom
$900K +$213K +1,995 +21%
AA
341
AlphaCentric Advisors
Puerto Rico
$823K +$1.07M +10,000 New
CA
342
Crossingbridge Advisors
New York
$823K +$1.07M +10,000 New
USPCM
343
Union Square Park Capital Management
New York
$823K +$1.07M +10,000 New
CAM
344
Crown Advisors Management
California
$823K
VPIM
345
Vanguard Personalized Indexing Management
California
$820K -$135K -1,265 -11%
AAIS
346
ABN AMRO Investment Solutions
$820K +$311K +2,916 +41%
TC
347
Truvestments Capital
Florida
$813K +$45.2K +423 +4%
PNC Financial Services Group
348
PNC Financial Services Group
Pennsylvania
$809K -$258K -2,418 -20%
Brown Advisory
349
Brown Advisory
Maryland
$803K +$534 +5 +0.1%
EAM
350
Eschler Asset Management
United Kingdom
$795K