Question 1

How many shares of WESTERN DIGITAL CORP does Calamos Advisors LLC own?

Accepted Answer

As of 2026-Q1, Calamos Advisors LLC holds 55.6M shares of WESTERN DIGITAL CORP (WESTERN DIGITAL CORP).

Question 2

What is Calamos Advisors LLC's WESTERN DIGITAL CORP position worth?

Accepted Answer

As of 2026-Q1, Calamos Advisors LLC's WESTERN DIGITAL CORP position is worth $398.9M.

Question 3

Is Calamos Advisors LLC buying or selling WESTERN DIGITAL CORP?

Accepted Answer

In 2026-Q1, Calamos Advisors LLC decreased their WESTERN DIGITAL CORP position (-27.2% change in shares).

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Decreased	55.6M	-27.2%	$398.9M	1.4%	—	0
2025-Q4	Decreased	76.4M	-2.5%	$350.6M	1.3%	—	0
2025-Q3	Decreased	78.4M	-0.0%	$251.1M	0.9%	—	0
2025-Q2	Increased	78.4M	+9.3%	$140.8M	0.6%	—	47
2025-Q1	Decreased	71.7M	-0.2%	$92.4M	0.4%	—	0
2024-Q4	New	71.9M	—	$95.4M	0.4%	—	49