Question 1

How many shares of BLDR does Capital World Investors own?

Accepted Answer

As of 2026-Q2, Capital World Investors holds 1M shares of BLDR (BUILDERS FIRSTSOURCE INC).

Question 2

What is Capital World Investors's BLDR position worth?

Accepted Answer

As of 2026-Q2, Capital World Investors's BLDR position is worth $90M.

Question 3

Is Capital World Investors buying or selling BLDR?

Accepted Answer

In 2026-Q2, Capital World Investors increased their BLDR position (+29.1% change in shares).

Question 4

When did Capital World Investors first buy BLDR?

Accepted Answer

Based on available 13F filings, Capital World Investors first reported a position in BLDR in 2024-Q3. They have held the position across 22 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	1M	+29.1%	$90M	0.0%	$89.48	37
2026-Q1	Increased	779,198	+1.4%	$64.2M	0.0%	$82.33	30
2025-Q4	Decreased	768,084	-0.1%	$79M	0.0%	$102.89	0
2025-Q3	Increased	768,520	+1.1%	$93.2M	0.0%	$121.25	30
2025-Q2	Unchanged	760,228	0.0%	$88.7M	0.0%	$116.69	0
2025-Q1	Unchanged	760,228	0.0%	$95M	0.0%	$124.94	0
2024-Q4	Decreased	760,228	-6.8%	$108.7M	0.0%	$142.93	0
2024-Q3	Increased	815,658	+7.3%	$158.1M	0.0%	$193.86	33