D1 Capital Partners L.P.

Position in BLDR — Builders FirstSource, Inc.

CIK 1747057 New York, NY

Position in BLDR

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$146,677,584

New position

Shares Held

1,639,222

first reported quarter

Ownership

1.52%

of shares outstanding

% of Portfolio

0.42%

of 13F equity value

Holder Rank

#14

of 662 holders

Holding Since

Jun 2026

1 quarter on record

Voting authority Sole 100% Shared 0% None 0%

Industrials · as of Jun 30, 2026

D1 Capital Partners L.P. holds $743,615,793 across 3 Building Products & Equipment names. BLDR ranks #2 (19.7% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	JCI	Johnson Controls International plc	3,751,887	$548,188,209
2	BLDR	Builders FirstSource, Inc. This page	1,639,222	$146,677,584
3	MAIR	Madison Air Solutions Corp	1,250,000	$48,750,000

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$146,677,584	1,639,222	—	Shares	Sole	2026-08-14
No filing history on record for this holder in this stock.