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Plato Investment Management’s West Pharmaceutical WST Stock Holding History

Plato 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 		$636K Hold
2,535
– – 0.04% 326
2025
Q4 		$701K Hold
2,535
– – 0.05% 313
2025
Q3 		$660K Buy
+2,535
New +$616K 0.04% 319
2024
Q3 		– Sell
-886
Closed -$292K – 580
2024
Q2 		$292K Hold
886
– – 0.03% 306
2024
Q1 		$351K Buy
+886
New +$328K 0.04% 287

Other funds holding WST

BlackRock
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
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $62.3B AUM 26.25% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $544B AUM 28.31% 1-Year Est. Return
T. Rowe Price Investment Management
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
Geode Capital Management Boston, Massachusetts $1.61T AUM 30.72% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

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

Plato Investment Management held its West Pharmaceutical (WST) position steady in Q1 2026 at 2,535 shares worth $636K. The position accounts for 0.04% of the portfolio, ranked #326.

Plato Investment Management first reported a position in WST in Q1 2024 and has held it in 5 quarters since. The position peaked at $701K in Q4 2025. 753 funds tracked by Wall St. Rank hold WST as of Q1 2026.

  • Plato Investment Management held 2,535 shares of West Pharmaceutical worth $636K as of Q1 2026.
  • Plato Investment Management left its West Pharmaceutical share count unchanged in Q1 2026.
  • West Pharmaceutical made up 0.04% of Plato Investment Management's portfolio in Q1 2026, its #326 holding.
  • Plato Investment Management first reported a position in West Pharmaceutical in Q1 2024 and has held it in 5 quarters since.
  • Plato Investment Management's West Pharmaceutical position peaked at $701K in Q4 2025.
  • 753 funds tracked by Wall St. Rank held West Pharmaceutical as of Q1 2026.

Based on Plato Investment Management's 13F filing for Q1 2026, filed 5 May 2026.