PCM
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Polymer Capital Management’s West Pharmaceutical WST Stock Holding History

Polymer Capital 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 		– Sell
-2,259
Closed -$622K – 1041
2025
Q4 		$622K Buy
+2,259
New +$618K 0.07% 416

Other funds holding WST

BlackRock
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Vanguard Capital Management
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Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $63.1B AUM 35.51% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return
GIM
Generation Investment Management London, United Kingdom $10.3B AUM 4.84% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Polymer Capital Management's WST Position: Q1 2026 in Review

Polymer Capital Management sold out of West Pharmaceutical (WST) in Q1 2026, closing a stake of 2,259 shares — an estimated $622K sold.

Polymer Capital Management first reported a position in WST in Q4 2025 and held it in 1 quarter. The position peaked at $622K in Q4 2025. 755 funds tracked by Wall St. Rank hold WST as of Q1 2026.

  • Polymer Capital Management reported no remaining West Pharmaceutical position as of Q1 2026 after selling out during the quarter.
  • Polymer Capital Management sold 2,259 West Pharmaceutical shares in Q1 2026, an estimated $622K.
  • Polymer Capital Management first reported a position in West Pharmaceutical in Q4 2025 and held it in 1 quarter.
  • Polymer Capital Management's West Pharmaceutical position peaked at $622K in Q4 2025.
  • 755 funds tracked by Wall St. Rank held West Pharmaceutical as of Q1 2026.

Based on Polymer Capital Management's 13F filing for Q1 2026, filed 14 May 2026.