Question 1

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

Accepted Answer

As of 2026-Q2, STATE OF MICHIGAN RETIREMENT SYSTEM holds 18,756 shares of WST (WEST PHARMACEUTICAL SERVICES).

Question 2

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

Accepted Answer

As of 2026-Q2, STATE OF MICHIGAN RETIREMENT SYSTEM's WST position is worth $6.7M.

Question 3

Is STATE OF MICHIGAN RETIREMENT SYSTEM buying or selling WST?

Accepted Answer

In 2026-Q2, STATE OF MICHIGAN RETIREMENT SYSTEM decreased their WST position (-3.6% change in shares).

Question 4

When did STATE OF MICHIGAN RETIREMENT SYSTEM first buy WST?

Accepted Answer

Based on available 13F filings, STATE OF MICHIGAN RETIREMENT SYSTEM first reported a position in WST in 2024-Q3. They have held the position across 30 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price
2026-Q2 Latest	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