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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
LIP
151
Lighthouse Investment Partners
Florida
$5.83M +$7.56M +70,766 New
MWM
152
Moran Wealth Management
Florida
$5.72M +$1.63M +15,268 +28%
CBUSF
153
Construction & Building Unions Superannuation Fund
Australia
$5.67M
Mackenzie Financial
154
Mackenzie Financial
Ontario, Canada
$5.57M +$5.83M +54,629 +421%
GIP
155
Greatmark Investment Partners
Georgia
$5.54M +$2.05M +19,225 +40%
Adage Capital Partners
156
Adage Capital Partners
Massachusetts
$5.41M -$27.3M -256,100 -80%
ACM
157
Aquatic Capital Management
Illinois
$5.34M -$3.44M -32,239 -33%
PCH
158
Polar Capital Holdings
United Kingdom
$5.33M -$834K -7,809 -11%
QCM
159
Quantinno Capital Management
New York
$5.3M -$5.56M -52,072 -45%
XT
160
XTX Topco
Cayman Islands
$5.18M +$5.4M +50,559 +408%
MIM
161
MetLife Investment Management
New Jersey
$5.17M +$616K +5,771 +10%
Zurich Cantonal Bank
162
Zurich Cantonal Bank
Switzerland
$5.06M +$6.56M +61,412 New
Bank of Montreal
163
Bank of Montreal
Ontario, Canada
$5.03M -$2.42M -22,627 -27%
EGA
164
Eagle Global Advisors
Texas
$4.97M +$13.6K +127 +0.2%
IIA
165
IPG Investment Advisors
California
$4.96M +$1.09M +10,229 +20%
MCM
166
Marathon Capital Management
Maryland
$4.86M -$16.8K -157 -0.3%
Universal-Beteiligungs- und Servicegesellschaft
167
Universal-Beteiligungs- und Servicegesellschaft
Germany
$4.72M +$176K +1,646 +3%
EAM
168
EdenTree Asset Management
United Kingdom
$4.68M +$2.18M +20,400 +56%
CAPTRUST Financial Advisors
169
CAPTRUST Financial Advisors
North Carolina
$4.65M +$1.52M +14,276 +34%
VAM
170
Vanguard Asset Management
$4.64M +$6.02M +56,402 New
HVP
171
Hudson Value Partners
Florida
$4.55M -$467K -4,375 -7%
Prudential Financial
172
Prudential Financial
New Jersey
$4.51M -$586K -5,491 -9%
Chevy Chase Trust
173
Chevy Chase Trust
Maryland
$4.49M -$169K -1,587 -3%
Fifth Third Bancorp
174
Fifth Third Bancorp
Ohio
$4.45M +$5.58M +52,259 +2,974%
HA
175
Heartland Advisors
Wisconsin
$4.42M +$13.5K +126 +0.2%