Builders FirstSource Ownership & Insider Activity

Builders FirstSource (BLDR) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 12.8% of shares outstanding. Institutional investors hold 71.3%.

Shares Outstanding

107.596M

Shares Float

90.096M

Insider Shares Owned

13.771M

Insider % Owned

12.8%

Institutional Shares Held

76.692M

Institutional % Held

71.3%

Ownership Breakdown

Net Insider Activity by Month

Builders FirstSource Insider Transactions (Last 6 Months)

Date	Insider	Title	Type	Shares	Price	Value
May 8, 2026	David Rush	—	SELL	5.000K	$78.17	$391K

Date	Member	Party	Chamber	Action	Amount
Nov 30, 2022	Susie Lee	D	House	Sale	$1,001 - $15,000