Question 1

Does BlackRock own BLDR stock?

Accepted Answer

Yes. As of its Q2 2026 13F, BlackRock holds 7,833,417 shares of BLDR (Builders Firstsource), worth $700.9M.

Question 2

How many shares of BLDR does BlackRock own?

Accepted Answer

As of its Q2 2026 13F, BlackRock holds 7,833,417 shares of BLDR (Builders Firstsource).

Question 3

What is BlackRock's BLDR position worth?

Accepted Answer

As of its Q2 2026 13F, BlackRock's BLDR position is worth $700.9M.

Question 4

Is BlackRock buying or selling BLDR?

Accepted Answer

In Q2 2026, BlackRock reduced its BLDR position by 927,860 shares (-10.6%).

Question 5

When did BlackRock first buy BLDR?

Accepted Answer

BlackRock already held BLDR in its Q3 2024 13F, the earliest on record, and has listed it in 8 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	7.8M	-10.6%	$700.9M	0.0%	$89.48	0
2026-Q1	Decreased	8.8M	-1.3%	$721.3M	0.0%	$82.33	0
2025-Q4	Increased	8.9M	+1.9%	$913.3M	0.0%	$102.89	32
2025-Q3	Increased	8.7M	+0.8%	$1.1B	0.0%	$121.25	32
2025-Q2	Decreased	8.6M	-10.2%	$1B	0.0%	$116.69	0
2025-Q1	Decreased	9.6M	-1.6%	$1.2B	0.0%	$124.94	0
2024-Q4	Decreased	9.8M	-2.0%	$1.4B	0.0%	$142.93	0
2024-Q3	First report	10M	-	$1.9B	0.0%	$193.86	0

BLDR8 quarters

BLDR
8 quarters