BLDR

Builders FirstSource, Inc.

Superinvestors

Institutional investors holding BLDR

Investor	Fund	Weight	Shares	Value	Quarter
Greg Alexander	Conifer Management	12.79%	1,200,000	$106.5M	2023Q1
Alex Roepers	Atlantic Investment Management	7.09%	119,000	$13.9M	2025Q2
Glenn Greenberg	Brave Warrior Advisors	4.83%	2,372,292	$195.3M	2026Q1
Ruane Cunniff	Sequoia Fund	0.73%	4,107,377	$89.5M	2017Q4
Bill Miller	Miller Value Partners	0.41%	18,893	$1.6M	2026Q1
John Armitage	Egerton Capital	0.31%	262,628	$30.6M	2025Q2
Francois Rochon	Giverny Capital	0.28%	91,813	$7.6M	2026Q1
Kenneth Fisher	Fisher Asset Management	0.00%	22,361	$2.7M	2025Q3

Congressional data coming soon

Total trades

$391K

Volume

Buys

Sells

Last trade: May 14, 2026

Date	Insider	Type	Value
May 14, 2026	Cheryl Ainoa	Buy	–
May 14, 2026	Mark A Alexander	Buy	–

Congressional trade data is being sourced and will appear here shortly.