Question 1

Does Hudson Bay Capital Management own BLDR stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Hudson Bay Capital Management holds 21,867 shares of BLDR (Builders Firstsource), worth $2M.

Question 2

How many shares of BLDR does Hudson Bay Capital Management own?

Accepted Answer

As of its Q2 2026 13F, Hudson Bay Capital Management holds 21,867 shares of BLDR (Builders Firstsource).

Question 3

What is Hudson Bay Capital Management's BLDR position worth?

Accepted Answer

As of its Q2 2026 13F, Hudson Bay Capital Management's BLDR position is worth $2M.

Question 4

Is Hudson Bay Capital Management buying or selling BLDR?

Accepted Answer

In Q2 2026, Hudson Bay Capital Management reduced its BLDR position by 18,496 shares (-45.8%).

Question 5

When did Hudson Bay Capital Management first buy BLDR?

Accepted Answer

Hudson Bay Capital Management first reported BLDR in its Q1 2021 13F and has listed it in 18 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	21,867	-45.8%	$2M	0.0%	$89.48	0
2026-Q1	Increased	40,363	+59.1%	$3.3M	0.0%	$82.33	38
2025-Q4	Decreased	25,363	-54.8%	$2.6M	0.0%	$102.89	0
2025-Q3	Increased	56,146	+1.2%	$6.8M	0.0%	$121.25	28
2025-Q2	Decreased	55,499	-57.7%	$6.5M	0.0%	$116.69	0
2025-Q1	Increased	131,241	+84.6%	$16.4M	0.1%	$124.94	44
2024-Q4	Increased	71,097	+25.8%	$10.2M	0.0%	$142.93	34
2024-Q3	Decreased	56,500	-5.4%	$11M	0.0%	$193.86	0