Weiss Asset Management’s West Pharmaceutical WST Stock Holding History

Weiss Asset Management’s Portfolio WST Stock Details WST Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$1.99M	Buy	+7,924	New	+$1.97M	0.03%	265
2025 Q3	–	Sell	-32,175	Closed	-$7.04M	–	802
2025 Q2	$7.04M	Buy	+32,175	New	+$6.88M	0.08%	138
2024 Q4	–	Sell	-953	Closed	-$286K	–	900
2024 Q3	$286K	Buy	+953	New	+$292K	0.01%	539
2023 Q2	–	Sell	-2,200	Closed	-$762K	–	320
2023 Q1	$762K	Buy	+2,200	New	+$643K	0.05%	188
2021 Q3	–	Sell	-2,762	Closed	-$992K	–	618
2021 Q2	$992K	Buy	+2,762	New	+$913K	0.02%	365

Other funds holding WST

BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return

VCM

Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM

VPM

Vanguard Portfolio Management Malvern, Pennsylvania $1.91T AUM

State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return

Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return

Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return

T. Rowe Price Investment Management Baltimore, Maryland $145B AUM 22.78% 1-Year Est. Return

GIM

Generation Investment Management London, United Kingdom $11.2B AUM 0.58% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

Weiss Asset Management's WST Position: Q1 2026 in Review

Weiss Asset Management opened a new position in West Pharmaceutical (WST) in Q1 2026: 7,924 shares worth $1.99M. The stake represents 0.03% of the portfolio and ranks #265 among its holdings. This is a return to the name: Weiss Asset Management previously reported a position in WST as recently as Q2 2025.

Weiss Asset Management first reported a position in WST in Q2 2021 and has held it in 5 quarters since. The position peaked at $7.04M in Q2 2025. 753 funds tracked by Wall St. Rank hold WST as of Q1 2026.

Weiss Asset Management held 7,924 shares of West Pharmaceutical worth $1.99M as of Q1 2026.
West Pharmaceutical was a new Weiss Asset Management position in Q1 2026.
West Pharmaceutical made up 0.03% of Weiss Asset Management's portfolio in Q1 2026, its #265 holding.
Weiss Asset Management first reported a position in West Pharmaceutical in Q2 2021 and has held it in 5 quarters since.
Weiss Asset Management's West Pharmaceutical position peaked at $7.04M in Q2 2025.
753 funds tracked by Wall St. Rank held West Pharmaceutical as of Q1 2026.

Based on Weiss Asset Management's 13F filing for Q1 2026, filed 15 May 2026.