Quantitative Investment Management’s West Pharmaceutical WST Stock Holding History

Quantitative Investment 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	$3.64M	Buy	14,528 +10,928	+304%	+$2.72M	0.38%	77
2025 Q4	$990K	Buy	3,600 +2,191	+156%	+$599K	0.1%	209
2025 Q3	$369K	Buy	+1,409	New	+$342K	0.05%	260
2025 Q2	–	Sell	-18,568	Closed	-$4.16M	–	488
2025 Q1	$4.16M	Buy	18,568 +17,755	+2,184%	+$4.89M	0.38%	57
2024 Q4	$266K	Sell	813 -421	-34%	-$132K	0.02%	297
2024 Q3	$370K	Buy	+1,234	New	+$378K	0.04%	265
2024 Q1	–	Sell	-921	Closed	-$324K	–	393
2023 Q4	$324K	Buy	+921	New	+$326K	0.02%	299
2021 Q3	–	Sell	-629	Closed	-$225K	–	585
2021 Q2	$225K	Buy	+629	New	+$208K	0.02%	355
2020 Q1	–	Sell	-2,734	Closed	-$411K	–	852
2019 Q4	$411K	Buy	+2,734	New	+$398K	0.01%	547
2019 Q3	–	Sell	-4,765	Closed	-$596K	–	792
2019 Q2	$596K	Buy	4,765 +1,865	+64%	+$220K	0.02%	496
2019 Q1	$319K	Buy	2,900 +500	+21%	+$52K	0.02%	550
2018 Q4	$235K	Buy	+2,400	New	+$260K	0.01%	478

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

Quantitative Investment Management's WST Position: Q1 2026 in Review

Quantitative Investment Management increased its West Pharmaceutical (WST) stake by 304% in Q1 2026, buying an estimated $2.72M and bringing the position to 14,528 shares worth $3.64M. The position accounts for 0.38% of the portfolio, ranked #77.

Quantitative Investment Management first reported a position in WST in Q4 2018 and has held it in 12 quarters since. The position peaked at $4.16M in Q1 2025. 754 funds tracked by Wall St. Rank hold WST as of Q1 2026.

Quantitative Investment Management held 14,528 shares of West Pharmaceutical worth $3.64M as of Q1 2026.
Quantitative Investment Management bought 10,928 West Pharmaceutical shares in Q1 2026, an estimated $2.72M.
West Pharmaceutical made up 0.38% of Quantitative Investment Management's portfolio in Q1 2026, its #77 holding.
Quantitative Investment Management first reported a position in West Pharmaceutical in Q4 2018 and has held it in 12 quarters since.
Quantitative Investment Management's West Pharmaceutical position peaked at $4.16M in Q1 2025.
754 funds tracked by Wall St. Rank held West Pharmaceutical as of Q1 2026.

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