Builders FirstSource BLDR Institutional Ownership

NYSE BLDR

$57.41 +0.38 (+0.67%)

As of: Oct 1, 2026 · 9:32 AM EDT

Institutions by Trading Activity

668 Institutions

Increased 334 50.0%

Unchanged 75 11.2%

Reduced 259 38.8%

Ownership Statistics

13F · as of 30 Jun, 2026

Institutional Ownership

100.91%

▲+4.47 pp QoQ

Shares Held by Institutions

108.54Mn

of 107.56Mn outstanding

▲+7.73% QoQ

Shares Outstanding

107.56Mn

-975.11K held outside 13F filers

Institutional Investors

668

filed 13F for Jun 2026

▼-51 vs prior quarter

Net Shares Added (QoQ)

+7.79Mn

accumulated since last quarter

Value of Holdings

$6.19Bn

reported market value

Shares Owned by Institutions

Shares held % of outstanding

Latest —

Average ownership —

Peak ownership —

Shares Purchased/Sold by Institutions

Accumulated Distributed

Latest quarter —

Net over range —

Accumulating quarters —

Ownership Summary

Quarter ending 30 Jun, 2026

Builders FirstSource, Inc. (NYSE:BLDR) appears in 668 institutional 13F filings for the quarter ending June 2026.

Collectively, these holders controlled 100.9% of Builders FirstSource's outstanding shares in June 2026, up from 96.4% in March 2026.
They increased total shares held in Builders FirstSource by 7.73% from the prior quarter, while the number of investors in BLDR decreased 13.13% year over year.
Of these 668 holders, 334 added to their stakes in Builders FirstSource, 259 trimmed positions, and 75 made no changes.
Combined, these investors held 108.54Mn shares in BLDR for June 2026, up by 7.79Mn shares quarter on quarter, and up 2.4Mn shares year over year.
BlackRock, Inc. is the top holder of Builders FirstSource as of June 30, 2026, with 7.83Mn shares representing 7.28% of outstanding stock.
The biggest buyers of Builders FirstSource for the quarter ending June 2026 included Pictet Asset Management Holding SA (2.42Mn), D1 Capital Partners L.P. (1.64Mn), Sixth Street Partners Management Company, L.P. (1.22Mn), Capital International Investors (964.19K), NORGES BANK (860.96K).
Top sellers of BLDR stock for the quarter ending June 2026 included Boston Partners (1.57Mn), BlackRock, Inc. (927.86K), Focus Partners Wealth (781.21K), MARSHALL WACE, LLP (636.58K), DEUTSCHE BANK AG\ (515.45K).
Business Quant data shows the 10 biggest positions in Builders FirstSource as of June 2026 are held by BlackRock, Inc. (7.83Mn), VANGUARD CAPITAL MANAGEMENT LLC (6.85Mn), State Street Corp (4.84Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (4.16Mn), Capital International Investors (3.91Mn), Pictet Asset Management Holding SA (3.8Mn), WELLINGTON MANAGEMENT GROUP LLP (3.47Mn), DIMENSIONAL FUND ADVISORS LP (3.44Mn), Invesco Ltd. (3.35Mn), GEODE CAPITAL MANAGEMENT, LLC (2.83Mn).

Form 13F Holdings

667 Institutional Holders

Report period 30 Jun, 2026

Total shares held 108.54Mn

Of outstanding 100.91%

#	Institution	CIK	Shares Held	% of Outstanding	Change (QoQ)	Change (%)	Value (USD)
1	BlackRock, Inc.	0002012383	7,833,417	7.28%	▼927,860	-10.59%	$700.93Mn
2	VANGUARD CAPITAL MANAGEMENT LLC	0002100119	6,854,631	6.37%	▼172,443	-2.45%	$613.35Mn
3	State Street Corp	0000093751	4,839,758	4.50%	▼280,332	-5.48%	$433.07Mn
4	VANGUARD PORTFOLIO MANAGEMENT LLC	0002100121	4,162,116	3.87%	▼156,679	-3.63%	$372.43Mn
5	Capital International Investors	0001562230	3,907,321	3.63%	▲964,190	+32.76%	$349.63Mn
6	Pictet Asset Management Holding SA	0001993888	3,801,076	3.53%	▲2,422,744	+175.77%	$340.12Mn
7	WELLINGTON MANAGEMENT GROUP LLP	0000902219	3,465,251	3.22%	▼214,206	-5.82%	$310.07Mn
8	DIMENSIONAL FUND ADVISORS LP	0000354204	3,439,279	3.20%	▲471,535	+15.89%	$307.76Mn
9	Invesco Ltd.	0000914208	3,346,367	3.11%	▲742,045	+28.49%	$299.43Mn
10	GEODE CAPITAL MANAGEMENT, LLC	0001214717	2,834,402	2.64%	▼50,117	-1.74%	$253.16Mn
11	Coliseum Capital Management, LLC	0001409751	2,598,218	2.42%	▲505,000	+24.13%	$232.49Mn
12	Brave Warrior Advisors, LLC	0001553733	2,340,571	2.18%	▼31,721	-1.34%	$209.43Mn
13	SANDS CAPITAL MANAGEMENT, LLC	0001020066	2,283,236	2.12%	▼337,849	-12.89%	$204.30Mn
14	D1 Capital Partners L.P.	0001747057	1,639,222	1.52%	▲1,639,222	0.00%	$146.68Mn
15	Morgan Stanley	0000895421	1,552,867	1.44%	▲139,636	+9.88%	$138.95Mn
16	Diamond Hill Capital Management, LLC (Investment Advisor)	0001217541	1,507,684	1.40%	▼256,250	-14.53%	$134.91Mn
17	Goldman Sachs Group Inc	0000886982	1,391,799	1.29%	▼325,005	-18.93%	$124.54Mn
18	Sixth Street Partners Management Company, L.P.	0001812095	1,222,034	1.14%	▲1,222,034	0.00%	$109.35Mn
18	CHARLES SCHWAB INVESTMENT MANAGEMENT INC	0000884546	1,222,034	1.14%	▲100,957	+9.01%	$109.35Mn
19	PUBLIC SECTOR PENSION INVESTMENT BOARD	0001396318	1,074,139	1.00%	▲12,907	+1.22%	$96.11Mn

Showing 1 to 20 of 667 holders