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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
8.86%
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
CNB
226
Czech National Bank
Czech Republic
$2.48M +$103K +966 +3%
ASRS
227
Arizona State Retirement System
Arizona
$2.47M -$35.1K -329 -1%
CF
228
Covea Finance
France
$2.47M +$3.2M +29,956 New
KBC Group
229
KBC Group
Belgium
$2.46M +$1.08M +10,083 +51%
DnB Asset Management
230
DnB Asset Management
Norway
$2.41M -$8.26M -77,387 -73%
TD Asset Management
231
TD Asset Management
Ontario, Canada
$2.4M +$17.8K +167 +0.6%
VT
232
Vise Technologies
New York
$2.38M
NYLIM
233
New York Life Investment Management
New York
$2.36M +$1.47M +13,753 +92%
HighTower Advisors
234
HighTower Advisors
Illinois
$2.27M -$239K -2,240 -8%
PC
235
Pecaut & Co
Iowa
$2.21M +$783K +7,330 +38%
CIBC Asset Management
236
CIBC Asset Management
Ontario, Canada
$2.2M +$39.6K +371 +1%
HFS
237
Hantz Financial Services
Michigan
$2.15M -$179K -1,678 -6%
National Bank of Canada
238
National Bank of Canada
Quebec, Canada
$2.14M -$5.92M -55,416 -68%
COPPSERS
239
Commonwealth of Pennsylvania Public School Employees Retirement System
Pennsylvania
$2.12M +$3.95K +37 +0.1%
DB
240
Danske Bank
Denmark
$2.08M -$21.4K -200 -0.8%
BBVA
241
Banco Bilbao Vizcaya Argentaria
Spain
$2.08M -$136K -1,275 -5%
BIM
242
Bridges Investment Management
Nebraska
$2.05M +$1.17M +10,946 +79%
IVP
243
Intrinsic Value Partners
Arizona
$2.04M +$1.07M +9,980 +68%
Group One Trading
244
Group One Trading
Illinois
$2.02M +$953K +8,922 +57%
APG Asset Management
245
APG Asset Management
Netherlands
$2.02M -$211K -1,980 -7%
CCIA
246
Campbell & Co Investment Adviser
Maryland
$1.97M -$5.46M -51,084 -68%
Retirement Systems of Alabama
247
Retirement Systems of Alabama
Alabama
$1.93M -$4.59K -43 -0.2%
KFA
248
Kelleher Financial Advisors
New York
$1.9M
MF
249
Magnetar Financial
Illinois
$1.89M +$1.32M +12,367 +106%
Jones Financial Companies
250
Jones Financial Companies
Missouri
$1.88M +$1.93M +18,040 +335%