Question 1

How many shares of WDC does Castle Hook Partners LP own?

Accepted Answer

As of 2026-Q2, Castle Hook Partners LP holds 903,374 shares of WDC (WESTERN DIGITAL CORP).

Question 2

What is Castle Hook Partners LP's WDC position worth?

Accepted Answer

As of 2026-Q2, Castle Hook Partners LP's WDC position is worth $577M.

Question 3

Is Castle Hook Partners LP buying or selling WDC?

Accepted Answer

In 2026-Q2, Castle Hook Partners LP increased their WDC position (+2.8% change in shares).

Question 4

When did Castle Hook Partners LP first buy WDC?

Accepted Answer

Based on available 13F filings, Castle Hook Partners LP first reported a position in WDC in 2025-Q2. They have held the position across 5 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Increased	903,374	+2.8%	$577M	2.6%	$638.72	55
2026-Q1	Decreased	878,939	-33.7%	$237.7M	1.0%	$250.61	0
2025-Q4	Decreased	1.3M	-24.4%	$228.4M	0.9%	$176.06	0
2025-Q3	Increased	1.8M	+145.9%	$210.4M	1.1%	$116.65	78
2025-Q2	New	712,683	—	$45.6M	0.3%	$63.17	48