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
-100
Closed -$27.5K – 8904
2025
Q4 		$27.5K Sell
100
-500
-83% -$137K ﹤0.01% 6097
2025
Q3 		$157K Buy
600
+200
+50% +$48.6K ﹤0.01% 4929
2025
Q2 		$87.5K Sell
400
-10,300
-96% -$2.2M ﹤0.01% 5093
2025
Q1 		$2.4M Buy
10,700
+1,700
+19% +$469K 0.01% 1664
2024
Q4 		$2.95M Sell
9,000
-4,700
-34% -$1.48M 0.01% 1585
2024
Q3 		$4.11M Hold
13,700
– – 0.01% 1150
2024
Q2 		$4.51M Sell
13,700
-2,300
-14% -$813K 0.02% 872
2024
Q1 		$6.33M Hold
16,000
– – 0.02% 681
2023
Q4 		$5.63M Buy
+16,000
New +$5.66M 0.01% 1042
2022
Q3 		– Sell
-28,100
Closed -$8.5M – 8344
2022
Q2 		$8.5M Hold
28,100
– – 0.01% 956
2022
Q1 		$11.5M Buy
+28,100
New +$11M 0.01% 897
2021
Q3 		– Sell
-600
Closed -$215K – 8878
2021
Q2 		$215K Buy
600
+400
+200% +$132K ﹤0.01% 5172
2021
Q1 		$56K Buy
+200
New +$57.2K ﹤0.01% 6142
2019
Q4 		– Sell
-1,700
Closed -$241K – 5687
2019
Q3 		$241K Hold
1,700
– – ﹤0.01% 2948
2019
Q2 		$213K Buy
+1,700
New +$201K ﹤0.01% 2806

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

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. 753 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.
  • 753 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.