Question 1

Does State of Michigan Retirement System own WST stock?

Accepted Answer

Yes. As of its Q3 2026 13F, State of Michigan Retirement System holds 18,356 shares of WST (West Pharmaceutical Services), worth $6.8M.

Question 2

How many shares of WST does State of Michigan Retirement System own?

Accepted Answer

As of its Q3 2026 13F, State of Michigan Retirement System holds 18,356 shares of WST (West Pharmaceutical Services).

Question 3

What is State of Michigan Retirement System's WST position worth?

Accepted Answer

As of its Q3 2026 13F, State of Michigan Retirement System's WST position is worth $6.8M.

Question 4

Is State of Michigan Retirement System buying or selling WST?

Accepted Answer

In Q3 2026, State of Michigan Retirement System reduced its WST position by 400 shares (-2.1%).

Question 5

When did State of Michigan Retirement System first buy WST?

Accepted Answer

State of Michigan Retirement System already held WST in its Q1 2019 13F, the earliest on record, and has listed it in 31 quarterly 13F filings.

Quarter	Action	Shares	Change	Value	Weight	Price
2026-Q3 Latest	Decreased	18,356	-2.1%	$6.8M	0.0%	$370.76
2026-Q2	Decreased	18,756	-3.6%	$6.7M	0.0%	$358.77
2026-Q1	Unchanged	19,456	0.0%	$4.9M	0.0%	$250.29
2025-Q4	Decreased	19,456	-3.5%	$5.4M	0.0%	$274.50
2025-Q3	Unchanged	20,156	0.0%	$5.3M	0.0%	$261.51
2025-Q2	Decreased	20,156	-1.0%	$4.4M	0.0%	$217.94
2025-Q1	Unchanged	20,356	0.0%	$4.6M	0.0%	$222.78
2024-Q4	Decreased	20,356	-1.9%	$6.7M	0.0%	$325.74
2024-Q3	Decreased	20,756	-0.9%	$6.2M	0.0%	$298.30