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Builders FirstSource
BLDR

Overview Fund Activity

774 hedge funds and large institutions have $13.8B invested in Builders FirstSource in 2025 Q1 according to their latest regulatory filings, with 107 funds opening new positions, 299 increasing their positions, 287 reducing their positions, and 128 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
774
Holders Change
-36
Holders Change %
-4.44%
% of All Funds
10.52%
Holding in Top 10
16
Holding in Top 10 Change
+3
Holding in Top 10 Change %
+23.08%
% of All Funds
0.22%
New
107
Increased
299
Reduced
287
Closed
128
Calls
$145M
Puts
$157M
Net Calls
-$11.7M
Net Calls Change
+$9.51M

Top Buyers

1
BWA
1
Brave Warrior Advisors
New York
$155M
2
Sands Capital Management
2
Sands Capital Management
Virginia
$131M
3
Wellington Management Group
3
Wellington Management Group
Massachusetts
$402M
4
Kovitz Investment Group Partners
4
Kovitz Investment Group Partners
Illinois
$66.1M
5
VOYA Investment Management
5
VOYA Investment Management
Georgia
$230M

Top Sellers

1
Pacer Advisors
1
Pacer Advisors
Pennsylvania
$109M
2
ACM
2
Anomaly Capital Management
New York
$0
3
Jacobs Levy Equity Management
3
Jacobs Levy Equity Management
New Jersey
$26.9M
4
Boston Partners
4
Boston Partners
Massachusetts
$198M
5
Morgan Stanley
5
Morgan Stanley
New York
$158M
Name Holding Trade Value Shares
Change 		Shares
Change %
Jane Street
126
Jane Street
New York
$11.4M -$14.6M -116,672 -56%
Man Group
127
Man Group
United Kingdom
$11M -$7.97M -63,797 -42%
PCMI
128
Paradigm Capital Management Inc
New York
$10.7M – – –
RPI
129
Railway Pension Investments
United Kingdom
$10.5M – – –
IMC
130
Inherent Management Corp
New York
$10.5M – – –
DLP
131
De Lisle Partners
United Kingdom
$10.3M +$500K +4,000 +5%
GC
132
Giverny Capital
Quebec, Canada
$10.3M +$10.3M +82,445 New
Korea Investment Corp
133
Korea Investment Corp
South Korea
$10.1M -$3.11M -24,899 -23%
AAF
134
Andra AP-fonden
Sweden
$10.1M -$11.4M -91,500 -53%
Millennium Management
135
Millennium Management
New York
$9.99M -$5.78M -46,272 -37%
State of Wisconsin Investment Board
136
State of Wisconsin Investment Board
Wisconsin
$9.93M +$718K +5,745 +8%
Aberdeen Group
137
Aberdeen Group
United Kingdom
$9.81M +$4.13M +33,443 +73%
PMAM
138
Picton Mahoney Asset Management
Ontario, Canada
$9.76M -$513K -4,105 -5%
National Bank of Canada
139
National Bank of Canada
Quebec, Canada
$9.49M +$2.65M +21,225 +39%
WGAM
140
Wilkinson Global Asset Management
New York
$9.21M +$207K +1,658 +2%
Allspring Global Investments
141
Allspring Global Investments
North Carolina
$9.05M +$5.93M +47,201 +190%
WTC
142
WhitTier Trust Company
Nevada
$9.02M +$343K +2,746 +4%
Canada Life
143
Canada Life
Manitoba, Canada
$8.74M -$60.8K -486 -0.7%
Adage Capital Partners
144
Adage Capital Partners
Massachusetts
$8.68M -$4.75M -38,058 -35%
Federated Hermes
145
Federated Hermes
Pennsylvania
$8.65M -$3.39M -27,162 -28%
Prudential Financial
146
Prudential Financial
New Jersey
$8.42M -$390K -3,119 -4%
Manulife (Manufacturers Life Insurance)
147
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$8.34M -$259K -2,070 -3%
SEI Investments
148
SEI Investments
Pennsylvania
$8.11M +$1.57M +12,606 +24%
CIM
149
Cambria Investment Management
California
$8.04M -$816K -6,534 -9%
KA
150
Kailix Advisors
Florida
$7.89M +$711K +5,690 +10%
4 5
6
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