Question 1

How many shares of WESTERN DIGITAL CORP does TWO SIGMA INVESTMENTS, LP own?

Accepted Answer

As of 2026-Q2, TWO SIGMA INVESTMENTS, LP holds 89M shares of WESTERN DIGITAL CORP (WESTERN DIGITAL CORP).

Question 2

What is TWO SIGMA INVESTMENTS, LP's WESTERN DIGITAL CORP position worth?

Accepted Answer

As of 2026-Q2, TWO SIGMA INVESTMENTS, LP's WESTERN DIGITAL CORP position is worth $1.5B.

Question 3

Is TWO SIGMA INVESTMENTS, LP buying or selling WESTERN DIGITAL CORP?

Accepted Answer

In 2026-Q2, TWO SIGMA INVESTMENTS, LP decreased their WESTERN DIGITAL CORP position (-0.3% change in shares).

Question 4

When did TWO SIGMA INVESTMENTS, LP first buy WESTERN DIGITAL CORP?

Accepted Answer

Based on available 13F filings, TWO SIGMA INVESTMENTS, LP first reported a position in WESTERN DIGITAL CORP in 2024-Q4. They have held the position across 7 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	89M	-0.3%	$1.5B	1.1%	—	0
2026-Q1	Increased	89.2M	+42.6%	$638.7M	0.5%	—	60
2025-Q4	Decreased	62.6M	-8.1%	$286.9M	0.4%	—	0
2025-Q3	Increased	68.1M	+78.7%	$218.4M	0.3%	—	56
2025-Q2	Decreased	38.1M	-24.0%	$68.4M	0.1%	—	0
2025-Q1	Decreased	50.2M	-15.2%	$64.5M	0.1%	—	0
2024-Q4	New	59.2M	—	$78.4M	0.2%	—	49

WEWESTERN DIGITAL CORP