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Dmitry Balyasny’s West Pharmaceutical WST Stock Holding History

Dmitry Balyasny’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
2021
Q3 		– Sell
-13,000
Closed -$4.67M – 2477
2021
Q2 		$4.67M Buy
+13,000
New +$4.3M 0.02% 737

Other funds holding WST

BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.22T AUM
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
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
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
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 1-Year Est. Return

Dmitry Balyasny's WST Position: Q2 2026 in Review

Dmitry Balyasny increased its West Pharmaceutical (WST) stake by 3,983% in Q2 2026, buying an estimated $13.6M and bringing the position to 45,766 shares worth $16.4M. The position accounts for 0.02% of the portfolio, ranked #817.

Dmitry Balyasny first reported a position in WST in Q4 2016 and has held it in 23 quarters since. The position peaked at $77.7M in Q3 2023. 827 funds tracked by Wall St. Rank hold WST as of Q2 2026.

  • Dmitry Balyasny held 45,766 shares of West Pharmaceutical worth $16.4M as of Q2 2026.
  • Dmitry Balyasny bought 44,645 West Pharmaceutical shares in Q2 2026, an estimated $13.6M.
  • West Pharmaceutical made up 0.02% of Dmitry Balyasny's portfolio in Q2 2026, its #817 holding.
  • Dmitry Balyasny first reported a position in West Pharmaceutical in Q4 2016 and has held it in 23 quarters since.
  • Dmitry Balyasny's West Pharmaceutical position peaked at $77.7M in Q3 2023.
  • 827 funds tracked by Wall St. Rank held West Pharmaceutical as of Q2 2026.

Based on Balyasny Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.