Question 1

How many shares of WDC does Asset Management One Co., Ltd. own?

Accepted Answer

As of 2026-Q1, Asset Management One Co., Ltd. holds 148,345 shares of WDC (WESTERN DIGITAL CORP).

Question 2

What is Asset Management One Co., Ltd.'s WDC position worth?

Accepted Answer

As of 2026-Q1, Asset Management One Co., Ltd.'s WDC position is worth $40.1M.

Question 3

Is Asset Management One Co., Ltd. buying or selling WDC?

Accepted Answer

In 2026-Q1, Asset Management One Co., Ltd. decreased their WDC position (-3.0% change in shares).

Question 4

When did Asset Management One Co., Ltd. first buy WDC?

Accepted Answer

Based on available 13F filings, Asset Management One Co., Ltd. first reported a position in WDC in 2024-Q2. They have held the position across 29 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q1 Latest	Decreased	148,345	-3.0%	$40.1M	0.1%	$250.61	0
2025-Q4	Increased	152,876	+1.3%	$27.4M	0.1%	$176.06	29
2025-Q3	Increased	150,852	+2.1%	$18.1M	0.1%	$116.65	29
2025-Q2	Increased	147,763	+2.4%	$9.5M	0.0%	$63.17	28
2025-Q1	Increased	144,307	+5.1%	$5.8M	0.0%	$40.46	29
2024-Q4	Increased	137,360	+3.9%	$8.3M	0.0%	$44.89	29
2024-Q3	Increased	132,201	+5.4%	$9M	0.0%	$52.27	29
2024-Q2	Decreased	125,439	-0.9%	$9.5M	0.0%	$57.05	0