Question 1

How many shares of WST does Artisan Partners Limited Partnership own?

Accepted Answer

As of 2026-Q2, Artisan Partners Limited Partnership holds 2.4M shares of WST (WEST PHARMACEUTICAL SERVICES).

Question 2

What is Artisan Partners Limited Partnership's WST position worth?

Accepted Answer

As of 2026-Q2, Artisan Partners Limited Partnership's WST position is worth $865.8M.

Question 3

Is Artisan Partners Limited Partnership buying or selling WST?

Accepted Answer

In 2026-Q2, Artisan Partners Limited Partnership decreased their WST position (-9.3% change in shares).

Question 4

When did Artisan Partners Limited Partnership first buy WST?

Accepted Answer

Based on available 13F filings, Artisan Partners Limited Partnership first reported a position in WST in 2024-Q3. They have held the position across 31 quarters.

Quarter	Action	Shares	Change	Value	Weight	Price	Conviction
2026-Q2 Latest	Decreased	2.4M	-9.3%	$865.8M	1.4%	$358.77	0
2026-Q1	Decreased	2.7M	-6.8%	$666.2M	1.1%	$250.29	0
2025-Q4	Increased	2.9M	+2.9%	$784.3M	1.2%	$274.50	51
2025-Q3	Increased	2.8M	+22.2%	$726.9M	1.0%	$261.51	60
2025-Q2	Increased	2.3M	+3.3%	$496.1M	0.7%	$217.94	46
2025-Q1	Decreased	2.2M	-29.4%	$491.5M	0.8%	$222.78	0
2024-Q4	Increased	3.1M	+1.4%	$1B	1.5%	$325.74	51
2024-Q3	Increased	3.1M	+23.1%	$920.4M	1.4%	$298.30	61