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Builders FirstSource

771 hedge funds and large institutions have $12.7B invested in Builders FirstSource in 2025 Q2 according to their latest regulatory filings, with 119 funds opening new positions, 285 increasing their positions, 284 reducing their positions, and 120 closing their positions.

New
Increased
Maintained
Reduced
Closed

more ownership

Funds ownership:

more repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

more funds holding in top 10

Funds holding in top 10:

less first-time investments, than exits

New positions opened: | Existing positions closed:

7% less call options, than puts

Call options by funds: $205M | Put options by funds: $220M

1% less funds holding

Funds holding: 781771 (-10)

8% less capital invested

Capital invested by funds: $13.8B → $12.7B (-$1.09B)

Holders
771
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
16
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$205M
Puts
$220M
Net Calls
Net Calls Change

Top Buyers

1 +$104M
2 +$67.6M
3 +$56.3M
4
Morgan Stanley
Morgan Stanley
New York
+$56M
5
Janus Henderson Group
Janus Henderson Group
United Kingdom
+$51M

Top Sellers

1 -$184M
2 -$114M
3 -$114M
4
Pacer Advisors
Pacer Advisors
Pennsylvania
-$99.6M
5
Vanguard Group
Vanguard Group
Pennsylvania
-$93.3M
Name Holding Trade Value Shares
Change
Change in
Stake
601
$185K
602
$179K
603
$167K
604
$164K
605
$156K
606
$152K
607
$148K
608
$145K
609
$143K
610
$141K
611
$140K
612
$139K
613
$138K
614
$132K
615
$129K
616
$125K
617
$103K
618
$102K
619
$97K
620
$95K
621
$87.8K
622
$86K
623
$76.9K
624
$76K
625
$72.5K