Who owns BLDRWhat BLDR owns — n/a

Who owns Builders FirstSource, Inc.?

Prices and market caps: Cboe delayed data, at least 15 minutes delayed. Not real-time. Fundamentals from company filings.

Institutional ownership of BLDR from SEC Form 13F filings across 666 reporting managers. All positions are from one synchronized reporting period — 2026-06-30 books, filed up to 45 days after quarter end — so every row is comparable.

As of the 2026-06-30 reporting period, 666 institutions disclosed 107.6M shares of Builders FirstSource, Inc. worth $9.62B — about 100% of shares outstanding; the largest disclosed holder is BlackRock, Inc.. Source: SEC Form 13F filings, parsed by EvidInvest.

666

13F holders

$9.62B

value, 2026 filers

100%

of shares outstanding (107.6M sh)

105

new positions (2026 filers)

Top institutional holders

ordered by shares owned · positions as of 2026-06-30 · % of fund = share of the manager's own book · % of co. = share of BLDR's shares outstanding

#	Manager	Shares	Value	% of fund	% of co.	Δ shares QoQ
1	BlackRock, Inc.	7.8M	$700.9M	0.0%	7.3%	-10.6%
2	VANGUARD CAPITAL MANAGEMENT LLC	6.9M	$613.4M	0.0%	6.4%	-2.5%
3	STATE STREET CORP	4.8M	$433.1M	0.0%	4.5%	-5.5%
4	VANGUARD PORTFOLIO MANAGEMENT LLC	4.2M	$372.4M	0.0%	3.9%	-3.6%
5	Capital International Investors	3.9M	$349.6M	0.1%	3.6%	+32.8%
6	Pictet Asset Management Holding SA	3.8M	$340.1M	0.3%	3.5%	+175.8%
7	WELLINGTON MANAGEMENT GROUP LLP	3.5M	$310.1M	0.1%	3.2%	-5.8%
8	DIMENSIONAL FUND ADVISORS LP	3.4M	$307.8M	0.1%	3.2%	+15.9%
9	Invesco Ltd.	3.3M	$299.4M	0.0%	3.1%	+28.5%
10	GEODE CAPITAL MANAGEMENT, LLC	2.8M	$253.2M	0.0%	2.6%	-1.7%
11	Coliseum Capital Management, LLC	2.6M	$232.5M	20.0%	2.4%	+24.1%
12	Brave Warrior Advisors, LLC	2.3M	$209.4M	4.6%	2.2%	-1.3%
13	SANDS CAPITAL MANAGEMENT, LLC	2.3M	$204.3M	0.8%	2.1%	-12.9%
14	D1 Capital Partners L.P.NEW	1.6M	$146.7M	0.4%	1.5%	new
15	MORGAN STANLEY	1.6M	$139.0M	0.0%	1.4%	+9.9%
16	Diamond Hill Capital Management, LLC (Investment Advisor)	1.5M	$134.9M	1.1%	1.4%	-14.5%
17	GOLDMAN SACHS GROUP INC	1.4M	$124.5M	0.0%	1.3%	-18.9%
18	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	1.2M	$109.3M	0.0%	1.1%	+9.0%
19	Public Sector Pension Investment Board	1.1M	$96.1M	0.2%	1%	+1.2%
20	Holocene Advisors, LP	1.1M	$95.5M	0.2%	1%	+89.5%
21	Capital World Investors	1.0M	$90.0M	0.0%	0.9%	+29.1%
22	BANK OF AMERICA CORP /DE/	936,880	$83.8M	0.0%	0.9%	+5.9%
23	ARROWSTREET CAPITAL, LIMITED PARTNERSHIP	915,658	$81.9M	0.0%	0.9%	+223.4%
24	NORTHERN TRUST CORP	898,310	$80.4M	0.0%	0.8%	-5.9%
25	MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	891,669	$79.8M	0.1%	0.8%	+8.4%

Source: SEC Form 13F-HR filings (institutional managers over $100M in US-listed positions). 13Fs disclose long positions only, up to 45 days after quarter end; each manager's latest filed quarter is shown per row and dollar values are the manager's filed marks. Aggregates labeled "2026 filers" count only managers whose latest book is a 2026 quarter. Related: valuation · options positioning · supply chain. Research, not investment advice.