Question 1

Does Two Sigma Investments own WESTERN DIGITAL stock?

Accepted Answer

Yes. As of its Q2 2026 13F, Two Sigma Investments holds 88,951,000 shares of WESTERN DIGITAL, worth $1.5B.

Question 2

How many shares of WESTERN DIGITAL does Two Sigma Investments own?

Accepted Answer

As of its Q2 2026 13F, Two Sigma Investments holds 88,951,000 shares of WESTERN DIGITAL.

Question 3

What is Two Sigma Investments' WESTERN DIGITAL position worth?

Accepted Answer

As of its Q2 2026 13F, Two Sigma Investments' WESTERN DIGITAL position is worth $1.5B.

Question 4

Is Two Sigma Investments buying or selling WESTERN DIGITAL?

Accepted Answer

In Q2 2026, Two Sigma Investments reduced its WESTERN DIGITAL position by 275,000 shares (-0.3%).

Question 5

When did Two Sigma Investments first buy WESTERN DIGITAL?

Accepted Answer

Two Sigma Investments already held WESTERN DIGITAL in its Q4 2024 13F, the earliest on record, and has listed it in 7 quarterly 13F filings.

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