Jane Street
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Jane Street’s West Pharmaceutical WST Stock Holding History

Jane Street’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
Q3 		$2M Sell
5,400
-700
-11% -$247K ﹤0.01% 5150
2026
Q2 		$2.19M Sell
6,100
-1,200
-16% -$367K ﹤0.01% 5014
2026
Q1 		$1.83M Buy
7,300
+3,000
+70% +$746K ﹤0.01% 5267
2025
Q4 		$1.18M Sell
4,300
-11,000
-72% -$3.01M ﹤0.01% 5791
2025
Q3 		$4.01M Sell
15,300
-3,500
-19% -$851K ﹤0.01% 3746
2025
Q2 		$4.11M Sell
18,800
-67,300
-78% -$14.4M ﹤0.01% 3279
2025
Q1 		$19.3M Buy
86,100
+300
+0.3% +$82.7K ﹤0.01% 1338
2024
Q4 		$28.1M Sell
85,800
-89,000
-51% -$28M 0.01% 1029
2024
Q3 		$52.5M Buy
174,800
+87,100
+99% +$26.7M 0.01% 675
2024
Q2 		$28.9M Sell
87,700
-900
-1% -$318K 0.01% 1014
2024
Q1 		$35.1M Sell
88,600
-7,400
-8% -$2.74M 0.01% 821
2023
Q4 		$33.8M Buy
96,000
+26,000
+37% +$9.2M 0.01% 888
2023
Q3 		$26.3M Buy
70,000
+60,200
+614% +$23.3M 0.01% 904
2023
Q2 		$3.75M Buy
9,800
+2,000
+26% +$714K ﹤0.01% 3153
2023
Q1 		$2.7M Sell
7,800
-22,400
-74% -$6.55M ﹤0.01% 3317
2022
Q4 		$7.11M Buy
30,200
+7,100
+31% +$1.68M ﹤0.01% 2027
2022
Q3 		$5.68M Sell
23,100
-12,900
-36% -$3.93M ﹤0.01% 2408
2022
Q2 		$10.9M Sell
36,000
-3,400
-9% -$1.11M ﹤0.01% 1642
2022
Q1 		$16.2M Sell
39,400
-20,900
-35% -$8.18M 0.01% 1462
2021
Q4 		$28.3M Buy
60,300
+5,600
+10% +$2.41M 0.01% 953
2021
Q3 		$23.2M Buy
54,700
+22,700
+71% +$9.6M 0.01% 1041
2021
Q2 		$11.5M Buy
+32,000
New +$10.6M ﹤0.01% 1560
2020
Q4 		– Sell
-2,900
Closed -$797K – 8201
2020
Q3 		$797K Buy
2,900
+900
+45% +$238K ﹤0.01% 4456
2020
Q2 		$454K Buy
+2,000
New +$393K ﹤0.01% 5228

Other funds holding WST

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return
JP Morgan Chase
JP Morgan Chase New York $1.84T AUM 33.86% 1-Year Est. Return
Capital Research Global Investors
Capital Research Global Investors Los Angeles, California $704B AUM 26.74% 1-Year Est. Return
State Farm Mutual Automobile Insurance
State Farm Mutual Automobile Insurance Bloomington, Illinois $142B AUM 43.93% 1-Year Est. Return
Dimensional Fund Advisors
Dimensional Fund Advisors Austin, Texas $551B AUM 33.95% 1-Year Est. Return
APG Asset Management
APG Asset Management Amsterdam, Netherlands $39B AUM 34.13% 1-Year Est. Return

Jane Street's WST Position: Q3 2026 in Review

Jane Street reduced its West Pharmaceutical (WST) stake by 19% in Q3 2026, selling an estimated $14.6M and leaving 176,268 shares worth $65.4M. The position accounts for 0.01% of the portfolio, ranked #1119.

Jane Street first reported a position in WST in Q3 2013 and has held it in 35 quarters since. The position peaked at $78.1M in Q2 2026. 644 funds tracked by Wall St. Rank hold WST as of Q3 2026.

  • Jane Street held 176,268 shares of West Pharmaceutical worth $65.4M as of Q3 2026.
  • Jane Street sold 41,313 West Pharmaceutical shares in Q3 2026, an estimated $14.6M.
  • West Pharmaceutical made up 0.01% of Jane Street's portfolio in Q3 2026, its #1119 holding.
  • Jane Street first reported a position in West Pharmaceutical in Q3 2013 and has held it in 35 quarters since.
  • Jane Street's West Pharmaceutical position peaked at $78.1M in Q2 2026.
  • 644 funds tracked by Wall St. Rank held West Pharmaceutical as of Q3 2026.

Based on Jane Street's 13F filing for Q3 2026, filed 12 Nov 2026.