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Builders FirstSource
BLDR

Overview Fund Activity

755 hedge funds and large institutions have $12.6B invested in Builders FirstSource in 2025 Q2 according to their latest regulatory filings, with 117 funds opening new positions, 278 increasing their positions, 280 reducing their positions, and 120 closing their positions.

Holders
755
Holders Change
-19
Holders Change %
-2.45%
% of All Funds
10.14%
Holding in Top 10
16
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.21%
New
117
Increased
278
Reduced
280
Closed
120
Calls
$174M
Puts
$164M
Net Calls
+$9.46M
Net Calls Change
+$21.1M

Top Buyers

1
Norges Bank
1
Norges Bank
Norway
$148M
2
Fidelity Investments
2
Fidelity Investments
Massachusetts
$1.36B
3
BWA
3
Brave Warrior Advisors
New York
$213M
4
Qube Research & Technologies (QRT)
4
Qube Research & Technologies (QRT)
United Kingdom
$56.9M
5
Morgan Stanley
5
Morgan Stanley
New York
$204M

Top Sellers

1
DZ Bank
1
DZ Bank
Germany
$1.73M
2
Robeco Institutional Asset Management
2
Robeco Institutional Asset Management
Netherlands
$12.4M
3
BlackRock
3
BlackRock
New York
$1.01B
4
Pacer Advisors
4
Pacer Advisors
Pennsylvania
$1.07M
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$1.47B
Name Market Value Shares Shares
Change 		Shares
Change %
Millennium Management
101
Millennium Management
New York
$18.5M 158,450 +78,472 +98%
Adage Capital Partners
102
Adage Capital Partners
Massachusetts
$18.2M 156,200 +86,758 +125%
Royal Bank of Canada
103
Royal Bank of Canada
Ontario, Canada
$18.1M 154,912 -51,662 -25%
KHCM
104
Kettle Hill Capital Management
New York
$17.7M 151,668 +151,668 New
Caisse de Depot et Placement du Quebec (CDPQ)
105
Caisse de Depot et Placement du Quebec (CDPQ)
Quebec, Canada
$17.5M 149,966 -46,420 -24%
Grantham, Mayo, Van Otterloo & Co (GMO)
106
Grantham, Mayo, Van Otterloo & Co (GMO)
Massachusetts
$17.4M 149,214 -54,532 -27%
New York State Common Retirement Fund
107
New York State Common Retirement Fund
New York
$17.3M 148,079 +30,051 +25%
Fisher Asset Management
108
Fisher Asset Management
Washington
$17M 145,755 -41,497 -22%
HB
109
Hauser Brothers
Germany
$16.6M 142,448 +26,548 +23%
Man Group
110
Man Group
United Kingdom
$15.5M 132,844 +44,463 +50%
Korea Investment Corp
111
Korea Investment Corp
South Korea
$15.2M 130,390 +49,220 +61%
KCM
112
Kingdon Capital Management
New York
$15M 128,500 +128,500 New
GAM
113
Gotham Asset Management
New York
$15M 128,370 -21,712 -14%
PAIM
114
Punch & Associates Investment Management
Minnesota
$14.9M 127,838 +5,376 +4%
Parnassus Investments
115
Parnassus Investments
California
$14.9M 127,693 +19,723 +18%
FAM
116
Fred Alger Management
New York
$14.9M 127,386 -6,098 -5%
MIF
117
Mediolanum International Funds
Ireland
$14.9M 126,990 +74,274 +141%
AIM
118
Achmea Investment Management
Netherlands
$14.1M 120,870 +4,259 +4%
Principal Financial Group
119
Principal Financial Group
Iowa
$14.1M 120,552 -17,488 -13%
AIM
120
Atlantic Investment Management
New York
$13.9M 119,000 +119,000 New
State Board of Administration of Florida Retirement System
121
State Board of Administration of Florida Retirement System
Florida
$13.7M 117,359 +1,250 +1%
National Bank of Canada
122
National Bank of Canada
Quebec, Canada
$13.3M 113,998 +38,029 +50%
N
123
Natixis
France
$13.3M 113,804 +102,158 +877%
PMAM
124
Picton Mahoney Asset Management
Ontario, Canada
$13M 111,752 +33,656 +43%
Citadel Advisors
125
Citadel Advisors
Florida
$12.9M 110,544 -348,523 -76%
3 4
5
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