PEAK6
WST icon

PEAK6’s West Pharmaceutical WST Stock Holding History

PEAK6’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
Q2 		$10.8M Buy
30,000
+10,000
+50% +$3.06M 0.02% 545
2026
Q1 		$5.01M Buy
20,000
+17,600
+733% +$4.38M 0.01% 897
2025
Q4 		$660K Sell
2,400
-5,600
-70% -$1.53M ﹤0.01% 1973
2025
Q3 		$2.1M Sell
8,000
-2,300
-22% -$559K ﹤0.01% 1476
2025
Q2 		$2.25M Sell
10,300
-2,800
-21% -$599K ﹤0.01% 1365
2025
Q1 		$2.93M Buy
13,100
+7,900
+152% +$2.18M 0.01% 1208
2024
Q4 		$1.7M Buy
+5,200
New +$1.64M ﹤0.01% 1511

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 $3.38T AUM 44.17% 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

PEAK6's WST Position: Q2 2026 in Review

PEAK6 opened a new position in West Pharmaceutical (WST) in Q2 2026: 2 shares worth $692. The stake represents ﹤0.01% of the portfolio and ranks #2614 among its holdings. This is a return to the name: PEAK6 previously reported a position in WST as recently as Q3 2025.

PEAK6 first reported a position in WST in Q4 2024 and has held it in 3 quarters since. The position peaked at $978K in Q4 2024. 834 funds tracked by Wall St. Rank hold WST as of Q2 2026.

  • PEAK6 held 2 shares of West Pharmaceutical worth $692 as of Q2 2026.
  • West Pharmaceutical was a new PEAK6 position in Q2 2026.
  • West Pharmaceutical made up ﹤0.01% of PEAK6's portfolio in Q2 2026, its #2614 holding.
  • PEAK6 first reported a position in West Pharmaceutical in Q4 2024 and has held it in 3 quarters since.
  • PEAK6's West Pharmaceutical position peaked at $978K in Q4 2024.
  • 834 funds tracked by Wall St. Rank held West Pharmaceutical as of Q2 2026.

Based on PEAK6's 13F filing for Q2 2026, filed 13 Aug 2026.