Group One Trading
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Group One Trading’s West Pharmaceutical WST Stock Holding History

Group One Trading’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
-393
Closed -$108K – 8903
2025
Q4 		$108K Buy
+393
New +$107K ﹤0.01% 4941
2025
Q2 		– Sell
-3,108
Closed -$664K – 8746
2025
Q1 		$696K Sell
3,108
-1,623
-34% -$447K ﹤0.01% 2783
2024
Q4 		$1.55M Sell
4,731
-2,611
-36% -$822K ﹤0.01% 2144
2024
Q3 		$2.2M Buy
7,342
+1,620
+28% +$496K 0.01% 1640
2024
Q2 		$1.88M Buy
+5,722
New +$2.02M 0.01% 1497
2022
Q3 		– Sell
-20,500
Closed -$6.2M – 8343
2022
Q2 		$6.2M Buy
20,500
+12,900
+170% +$4.2M 0.01% 1144
2022
Q1 		$3.12M Buy
+7,600
New +$2.98M ﹤0.01% 1951
2021
Q3 		– Sell
-300
Closed -$126K – 8877
2021
Q2 		$108K Sell
300
-100
-25% -$33K ﹤0.01% 5874
2021
Q1 		$113K Buy
+400
New +$114K ﹤0.01% 5555
2020
Q1 		– Sell
-463
Closed -$70K – 5806
2019
Q4 		$70K Sell
463
-76
-14% -$11.1K ﹤0.01% 3852
2019
Q3 		$76K Sell
539
-250
-32% -$34.4K ﹤0.01% 3744
2019
Q2 		$99K Buy
+789
New +$93.1K ﹤0.01% 3356

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

Group One Trading's WST Position: Q1 2026 in Review

Group One Trading sold out of West Pharmaceutical (WST) in Q1 2026, closing a stake of 393 shares — an estimated $108K sold.

Group One Trading first reported a position in WST in Q2 2019 and held it in 12 quarters. The position peaked at $6.2M in Q2 2022. 755 funds tracked by Wall St. Rank hold WST as of Q1 2026.

  • Group One Trading reported no remaining West Pharmaceutical position as of Q1 2026 after selling out during the quarter.
  • Group One Trading sold 393 West Pharmaceutical shares in Q1 2026, an estimated $108K.
  • Group One Trading first reported a position in West Pharmaceutical in Q2 2019 and held it in 12 quarters.
  • Group One Trading's West Pharmaceutical position peaked at $6.2M in Q2 2022.
  • 755 funds tracked by Wall St. Rank held West Pharmaceutical as of Q1 2026.

Based on Group One Trading's 13F filing for Q1 2026, filed 13 May 2026.