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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
576
$225K
577
$224K
578
$223K
579
$223K
580
$222K
581
$222K
582
$222K
583
$217K
584
$217K
585
$214K
586
$213K
587
$212K
588
$211K
589
$210K
590
$206K
591
$206K
592
$206K
593
$205K
594
$205K
595
$203K
596
$202K
597
$200K
598
$193K
599
$191K
600
$187K