Jacobs Levy Equity Management’s West Pharmaceutical WST Stock Holding History

Jacobs Levy Equity 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	$177M	Buy	705,336 +65,775	+10%	+$16.4M	0.74%	25
2025 Q4	$176M	Buy	639,561 +229,913	+56%	+$62.9M	0.68%	32
2025 Q3	$107M	Buy	409,648 +60,426	+17%	+$14.7M	0.43%	61
2025 Q2	$76.4M	Buy	349,222 +280,811	+410%	+$60M	0.3%	80
2025 Q1	$15.3M	Buy	+68,411	New	+$18.9M	0.06%	268
2016 Q4	–	Sell	-24,900	Closed	-$1.85M	–	1063
2016 Q3	$1.85M	Hold	24,900	–	–	0.03%	430
2016 Q2	$1.89M	Buy	+24,900	New	+$1.81M	0.04%	437
2016 Q1	–	Sell	-4,850	Closed	-$292K	–	1188
2015 Q4	$292K	Buy	+4,850	New	+$292K	0.01%	653
2013 Q4	–	Sell	-39,000	Closed	-$1.6M	–	1047
2013 Q3	$1.6M	Hold	39,000	–	–	0.03%	450
2013 Q2	$1.37M	Buy	+39,000	New	+$1.28M	0.02%	501

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

Jacobs Levy Equity Management's WST Position: Q1 2026 in Review

Jacobs Levy Equity Management increased its West Pharmaceutical (WST) stake by 10% in Q1 2026, buying an estimated $16.4M and bringing the position to 705,336 shares worth $177M. The position accounts for 0.74% of the portfolio, ranked #25.

Jacobs Levy Equity Management first reported a position in WST in Q2 2013 and has held it in 10 quarters since. 753 funds tracked by Wall St. Rank hold WST as of Q1 2026.

Jacobs Levy Equity Management held 705,336 shares of West Pharmaceutical worth $177M as of Q1 2026.
Jacobs Levy Equity Management bought 65,775 West Pharmaceutical shares in Q1 2026, an estimated $16.4M.
West Pharmaceutical made up 0.74% of Jacobs Levy Equity Management's portfolio in Q1 2026, its #25 holding.
Jacobs Levy Equity Management first reported a position in West Pharmaceutical in Q2 2013 and has held it in 10 quarters since.
753 funds tracked by Wall St. Rank held West Pharmaceutical as of Q1 2026.

Based on Jacobs Levy Equity Management's 13F filing for Q1 2026, filed 15 May 2026.