Walleye Trading
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Walleye Trading’s West Pharmaceutical WST Stock Holding History

Walleye 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
-663
Closed -$182K – 4790
2025
Q4 		$182K Sell
663
-5,437
-89% -$1.49M ﹤0.01% 3447
2025
Q3 		$1.6M Sell
6,100
-1,992
-25% -$484K ﹤0.01% 1952
2025
Q2 		$1.77M Buy
8,092
+2,701
+50% +$577K ﹤0.01% 1800
2025
Q1 		$1.21M Buy
5,391
+3,177
+143% +$876K ﹤0.01% 1949
2024
Q4 		$725K Buy
2,214
+1,430
+182% +$450K ﹤0.01% 2368
2024
Q3 		$235K Buy
784
+413
+111% +$126K ﹤0.01% 2968
2024
Q2 		$122K Buy
+371
New +$131K ﹤0.01% 3308
2024
Q1 		– Sell
-1,984
Closed -$734K – 5452
2023
Q4 		$699K Buy
1,984
+90
+5% +$31.9K ﹤0.01% 2784
2023
Q3 		$711K Buy
1,894
+1,627
+609% +$629K ﹤0.01% 2647
2023
Q2 		$102K Buy
+267
New +$95.4K ﹤0.01% 3737
2017
Q1 		– Sell
-518
Closed -$44K – 5225
2016
Q4 		$44K Sell
518
-2,017
-80% -$159K ﹤0.01% 3711
2016
Q3 		$189K Buy
+2,535
New +$201K ﹤0.01% 2851

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

Walleye Trading's WST Position: Q1 2026 in Review

Walleye Trading sold out of West Pharmaceutical (WST) in Q1 2026, closing a stake of 663 shares — an estimated $182K sold.

Walleye Trading first reported a position in WST in Q3 2016 and held it in 12 quarters. The position peaked at $1.77M in Q2 2025. 755 funds tracked by Wall St. Rank hold WST as of Q1 2026.

  • Walleye Trading reported no remaining West Pharmaceutical position as of Q1 2026 after selling out during the quarter.
  • Walleye Trading sold 663 West Pharmaceutical shares in Q1 2026, an estimated $182K.
  • Walleye Trading first reported a position in West Pharmaceutical in Q3 2016 and held it in 12 quarters.
  • Walleye Trading's West Pharmaceutical position peaked at $1.77M in Q2 2025.
  • 755 funds tracked by Wall St. Rank held West Pharmaceutical as of Q1 2026.

Based on Walleye Trading's 13F filing for Q1 2026, filed 11 May 2026.