Question 1

How many shares of WDC does STATE OF MICHIGAN RETIREMENT SYSTEM own?

Accepted Answer

As of 2026-Q1, STATE OF MICHIGAN RETIREMENT SYSTEM holds 102,657 shares of WDC (WESTERN DIGITAL CORP).

Question 2

What is STATE OF MICHIGAN RETIREMENT SYSTEM's WDC position worth?

Accepted Answer

As of 2026-Q1, STATE OF MICHIGAN RETIREMENT SYSTEM's WDC position is worth $27.8M.

Question 3

Is STATE OF MICHIGAN RETIREMENT SYSTEM buying or selling WDC?

Accepted Answer

In 2026-Q1, STATE OF MICHIGAN RETIREMENT SYSTEM decreased their WDC position (-1.0% change in shares).

Question 4

When did STATE OF MICHIGAN RETIREMENT SYSTEM first buy WDC?

Accepted Answer

Based on available 13F filings, STATE OF MICHIGAN RETIREMENT SYSTEM 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	102,657	-1.0%	$27.8M	0.1%	$250.61	0
2025-Q4	Decreased	103,657	-5.6%	$17.9M	0.1%	$176.06	0
2025-Q3	Decreased	109,757	-0.9%	$13.2M	0.1%	$116.65	0
2025-Q2	Increased	110,757	+5.3%	$7.1M	0.0%	$63.17	29
2025-Q1	Increased	105,157	+0.5%	$4.3M	0.0%	$40.46	27
2024-Q4	Increased	104,657	+17.6%	$6.2M	0.0%	$44.89	32
2024-Q3	Decreased	88,957	-0.6%	$6.1M	0.0%	$52.27	0
2024-Q2	Increased	89,457	+0.7%	$6.8M	0.0%	$57.05	27