Dmitry Balyasny’s West Pharmaceutical WST Stock Holding History

Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake
Trade Value Portfolio Weight Portfolio Position
2026
Q2
$16.4M Buy
45,766
+44,645
+3,983% +$13.6M 0.02% 817
2026
Q1
$281K Sell
1,121
-54
-5% -$13.4K ﹤0.01% 2582
2025
Q4
$323K Sell
1,175
-44,498
-97% -$12.2M ﹤0.01% 2701
2025
Q3
$12M Buy
+45,673
New +$11.1M 0.02% 961
2025
Q1
Sell
-35,624
Closed -$11.7M 3351
2024
Q4
$11.7M Buy
+35,624
New +$11.2M 0.02% 895
2024
Q3
Sell
-4,148
Closed -$1.37M 3215
2024
Q2
$1.37M Sell
4,148
-3,034
-42% -$1.07M ﹤0.01% 1674
2024
Q1
$2.84M Sell
7,182
-206,343
-97% -$76.3M 0.01% 1427
2023
Q4
$75.2M Buy
213,525
+6,521
+3% +$2.31M 0.14% 173
2023
Q3
$77.7M Buy
+207,004
New +$80.1M 0.16% 158
2023
Q1
Sell
-21,065
Closed -$4.96M 3214
2022
Q4
$4.96M Buy
+21,065
New +$4.99M 0.01% 1036
2021
Q4
Sell
-15,150
Closed -$6.43M 2633
2021
Q3
$6.43M Buy
+15,150
New +$6.39M 0.03% 736
2021
Q1
Sell
-28,646
Closed -$8.12M 2115
2020
Q4
$8.12M Sell
28,646
-20,208
-41% -$5.67M 0.05% 493
2020
Q3
$13.4M Buy
48,854
+38,506
+372% +$10.2M 0.1% 305
2020
Q2
$2.35M Buy
+10,348
New +$2.03M 0.02% 686
2019
Q4
Sell
-2,983
Closed -$423K 1535
2019
Q3
$423K Sell
2,983
-16,502
-85% -$2.27M ﹤0.01% 971
2019
Q2
$2.44M Buy
+19,485
New +$2.3M 0.02% 819
2019
Q1
Sell
-8,305
Closed -$814K 1692
2018
Q4
$814K Buy
+8,305
New +$901K 0.01% 964
2018
Q2
Sell
-17,229
Closed -$1.52M 2191
2018
Q1
$1.52M Buy
17,229
+8,179
+90% +$765K 0.01% 1076
2017
Q4
$893K Buy
9,050
+3,826
+73% +$375K ﹤0.01% 1372
2017
Q3
$503K Sell
5,224
-3,638
-41% -$329K ﹤0.01% 1356
2017
Q2
$838K Sell
8,862
-4,331
-33% -$398K ﹤0.01% 1150
2017
Q1
$1.08M Buy
13,193
+6,893
+109% +$576K 0.01% 1073
2016
Q4
$534K Buy
+6,300
New +$495K ﹤0.01% 1136

Other funds holding WST

Dmitry Balyasny's WST Position: Q2 2026 in Review

Dmitry Balyasny increased its West Pharmaceutical (WST) stake by 3,983% in Q2 2026, buying an estimated $13.6M and bringing the position to 45,766 shares worth $16.4M. The position accounts for 0.02% of the portfolio, ranked #817.

Dmitry Balyasny first reported a position in WST in Q4 2016 and has held it in 23 quarters since. The position peaked at $77.7M in Q3 2023. 827 funds tracked by Wall St. Rank hold WST as of Q2 2026.

  • Dmitry Balyasny held 45,766 shares of West Pharmaceutical worth $16.4M as of Q2 2026.
  • Dmitry Balyasny bought 44,645 West Pharmaceutical shares in Q2 2026, an estimated $13.6M.
  • West Pharmaceutical made up 0.02% of Dmitry Balyasny's portfolio in Q2 2026, its #817 holding.
  • Dmitry Balyasny first reported a position in West Pharmaceutical in Q4 2016 and has held it in 23 quarters since.
  • Dmitry Balyasny's West Pharmaceutical position peaked at $77.7M in Q3 2023.
  • 827 funds tracked by Wall St. Rank held West Pharmaceutical as of Q2 2026.

Based on Balyasny Asset Management's 13F filing for Q2 2026, filed 14 Aug 2026.