D.E. Shaw & Co
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D.E. Shaw & Co’s West Pharmaceutical WST Stock Holding History

D.E. Shaw & Co’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 		$3.51M Buy
+14,001
New +$3.48M ﹤0.01% 2452
2025
Q4 		– Sell
-127,146
Closed -$33.4M – 5066
2025
Q3 		$33.4M Sell
127,146
-157,190
-55% -$38.2M 0.02% 866
2025
Q2 		$62.2M Buy
284,336
+181,314
+176% +$38.8M 0.04% 483
2025
Q1 		$23.1M Sell
103,022
-322,893
-76% -$89M 0.02% 859
2024
Q4 		$140M Buy
425,915
+417,995
+5,278% +$132M 0.1% 233
2024
Q3 		$2.38M Sell
7,920
-7,322
-48% -$2.24M ﹤0.01% 2588
2024
Q2 		$5.02M Sell
15,242
-9,604
-39% -$3.39M ﹤0.01% 1844
2024
Q1 		$9.83M Sell
24,846
-4,198
-14% -$1.55M 0.01% 1373
2023
Q4 		$10.2M Buy
+29,044
New +$10.3M 0.01% 1345
2023
Q3 		– Sell
-8,498
Closed -$3.25M – 4523
2023
Q2 		$3.25M Buy
8,498
+7,370
+653% +$2.63M ﹤0.01% 2226
2023
Q1 		$391K Sell
1,128
-10,843
-91% -$3.17M ﹤0.01% 3659
2022
Q4 		$2.82M Sell
11,971
-44,155
-79% -$10.5M ﹤0.01% 2643
2022
Q3 		$13.8M Sell
56,126
-27,887
-33% -$8.5M 0.02% 1102
2022
Q2 		$25.4M Buy
84,013
+82,789
+6,764% +$26.9M 0.03% 712
2022
Q1 		$503K Buy
1,224
+571
+87% +$224K ﹤0.01% 4367
2021
Q4 		$306K Buy
+653
New +$281K ﹤0.01% 4669
2021
Q1 		– Sell
-1,016
Closed -$288K – 4537
2020
Q4 		$288K Sell
1,016
-900
-47% -$253K ﹤0.01% 3614
2020
Q3 		$527K Sell
1,916
-2,441
-56% -$646K ﹤0.01% 3212
2020
Q2 		$990K Sell
4,357
-8,250
-65% -$1.62M ﹤0.01% 2943
2020
Q1 		$1.92M Sell
12,607
-13,848
-52% -$2.13M ﹤0.01% 2197
2019
Q4 		$3.98M Sell
26,455
-42,414
-62% -$6.18M ﹤0.01% 1910
2019
Q3 		$9.77M Buy
68,869
+22,789
+49% +$3.14M 0.01% 1177
2019
Q2 		$5.77M Sell
46,080
-3,698
-7% -$436K 0.01% 1497
2019
Q1 		$5.49M Buy
+49,778
New +$5.18M 0.01% 1488
2018
Q4 		– Sell
-6,084
Closed -$751K – 4024
2018
Q3 		$751K Sell
6,084
-3,072
-34% -$345K ﹤0.01% 2866
2018
Q2 		$909K Sell
9,156
-7,307
-44% -$673K ﹤0.01% 2763
2018
Q1 		$1.45M Sell
16,463
-7,667
-32% -$717K ﹤0.01% 2253
2017
Q4 		$2.38M Buy
24,130
+1,894
+9% +$186K ﹤0.01% 2021
2017
Q3 		$2.14M Sell
22,236
-108,728
-83% -$9.84M ﹤0.01% 1966
2017
Q2 		$12.4M Buy
130,964
+101,004
+337% +$9.29M 0.02% 790
2017
Q1 		$2.44M Buy
29,960
+12,371
+70% +$1.03M ﹤0.01% 1716
2016
Q4 		$1.49M Buy
+17,589
New +$1.38M ﹤0.01% 2214
2016
Q3 		– Sell
-14,921
Closed -$1.13M – 3572
2016
Q2 		$1.13M Buy
+14,921
New +$1.09M ﹤0.01% 2336
2014
Q1 		– Sell
-5,345
Closed -$262K – 4668
2013
Q4 		$262K Sell
5,345
-25,295
-83% -$1.18M ﹤0.01% 4128
2013
Q3 		$1.26M Sell
30,640
-102,370
-77% -$3.91M ﹤0.01% 2834
2013
Q2 		$4.67M Buy
+133,010
New +$4.38M 0.01% 1411

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

D.E. Shaw & Co's WST Position: Q1 2026 in Review

D.E. Shaw & Co opened a new position in West Pharmaceutical (WST) in Q1 2026: 14,001 shares worth $3.51M. The stake represents ﹤0.01% of the portfolio and ranks #2452 among its holdings. This is a return to the name: D.E. Shaw & Co previously reported a position in WST as recently as Q3 2025.

D.E. Shaw & Co first reported a position in WST in Q2 2013 and has held it in 36 quarters since. The position peaked at $140M in Q4 2024. 753 funds tracked by Wall St. Rank hold WST as of Q1 2026.

  • D.E. Shaw & Co held 14,001 shares of West Pharmaceutical worth $3.51M as of Q1 2026.
  • West Pharmaceutical was a new D.E. Shaw & Co position in Q1 2026.
  • West Pharmaceutical made up ﹤0.01% of D.E. Shaw & Co's portfolio in Q1 2026, its #2452 holding.
  • D.E. Shaw & Co first reported a position in West Pharmaceutical in Q2 2013 and has held it in 36 quarters since.
  • D.E. Shaw & Co's West Pharmaceutical position peaked at $140M in Q4 2024.
  • 753 funds tracked by Wall St. Rank held West Pharmaceutical as of Q1 2026.

Based on D.E. Shaw & Co's 13F filing for Q1 2026, filed 15 May 2026.