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
2025
Q4 		– Sell
-4,400
Closed -$1.15M – 9300
2025
Q3 		$1.15M Sell
4,400
-3,900
-47% -$948K ﹤0.01% 2881
2025
Q2 		$1.82M Sell
8,300
-4,500
-35% -$962K ﹤0.01% 2230
2025
Q1 		$2.87M Buy
12,800
+12,600
+6,300% +$3.47M 0.01% 1518
2024
Q4 		$65.5K Buy
+200
New +$62.9K ﹤0.01% 4854
2024
Q3 		– Sell
-3,800
Closed -$1.25M – 7456
2024
Q2 		$1.25M Buy
3,800
+3,600
+1,800% +$1.27M ﹤0.01% 1808
2024
Q1 		$79.1K Buy
+200
New +$74K ﹤0.01% 4347
2023
Q2 		– Sell
-2,600
Closed -$901K – 8281
2023
Q1 		$901K Sell
2,600
-100
-4% -$29.2K ﹤0.01% 2225
2022
Q4 		$635K Buy
+2,700
New +$640K ﹤0.01% 2815
2022
Q3 		– Sell
-700
Closed -$212K – 8342
2022
Q2 		$212K Sell
700
-2,000
-74% -$651K ﹤0.01% 4261
2022
Q1 		$1.11M Sell
2,700
-100
-4% -$39.1K ﹤0.01% 2975
2021
Q4 		$1.31M Buy
2,800
+2,600
+1,300% +$1.12M ﹤0.01% 3059
2021
Q3 		$85K Buy
200
+100
+100% +$42.2K ﹤0.01% 6066
2021
Q2 		$36K Buy
+100
New +$33K ﹤0.01% 6839
2015
Q2 		– Sell
-10,000
Closed -$602K – 5211
2015
Q1 		$602K Buy
+10,000
New +$533K 0.01% 1462

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.