Citadel Advisors’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
Q1 | $81.1M | Buy |
323,587
+77,947
| +32% | +$19.4M | 0.01% | 959 |
|
|
2025
Q4 | $67.6M | Sell |
245,640
-481,897
| -66% | -$132M | 0.01% | 1145 |
|
|
2025
Q3 | $191M | Buy |
727,537
+598,751
| +465% | +$146M | 0.03% | 496 |
|
|
2025
Q2 | $28.2M | Sell |
128,786
-151,941
| -54% | -$32.5M | ﹤0.01% | 1753 |
|
|
2025
Q1 | $62.8M | Sell |
280,727
-390,151
| -58% | -$108M | 0.01% | 982 |
|
|
2024
Q4 | $220M | Buy |
670,878
+622,752
| +1,294% | +$196M | 0.04% | 375 |
|
|
2024
Q3 | $14.4M | Sell |
48,126
-232,218
| -83% | -$71.1M | ﹤0.01% | 2425 |
|
|
2024
Q2 | $92.3M | Sell |
280,344
-779,802
| -74% | -$276M | 0.02% | 732 |
|
|
2024
Q1 | $420M | Buy |
1,060,146
+131,129
| +14% | +$48.5M | 0.08% | 161 |
|
|
2023
Q4 | $327M | Sell |
929,017
-622,761
| -40% | -$220M | 0.07% | 197 |
|
|
2023
Q3 | $582M | Buy |
1,551,778
+498,447
| +47% | +$193M | 0.12% | 83 |
|
|
2023
Q2 | $403M | Sell |
1,053,331
-45,851
| -4% | -$16.4M | 0.08% | 119 |
|
|
2023
Q1 | $381M | Buy |
1,099,182
+938,098
| +582% | +$274M | 0.08% | 139 |
|
|
2022
Q4 | $37.9M | Sell |
161,084
-55,815
| -26% | -$13.2M | 0.01% | 1345 |
|
|
2022
Q3 | $53.4M | Buy |
216,899
+81,966
| +61% | +$25M | 0.01% | 1014 |
|
|
2022
Q2 | $40.8M | Sell |
134,933
-260,198
| -66% | -$84.7M | 0.01% | 1179 |
|
|
2022
Q1 | $162M | Buy |
395,131
+394,115
| +38,791% | +$154M | 0.03% | 431 |
|
|
2021
Q4 | $477K | Sell |
1,016
-54,943
| -98% | -$23.6M | ﹤0.01% | 9813 |
|
|
2021
Q3 | $23.8M | Buy |
55,959
+28,271
| +102% | +$11.9M | ﹤0.01% | 1813 |
|
|
2021
Q2 | $9.94M | Buy |
+27,688
| New | +$9.15M | ﹤0.01% | 3086 |
|
|
2021
Q1 | – | Sell |
-16,711
| Closed | -$4.78M | – | 13786 |
|
|
2020
Q4 | $4.73M | Buy |
16,711
+11,541
| +223% | +$3.24M | ﹤0.01% | 3796 |
|
|
2020
Q3 | $1.42M | Sell |
5,170
-135,855
| -96% | -$36M | ﹤0.01% | 5375 |
|
|
2020
Q2 | $32M | Buy |
141,025
+128,809
| +1,054% | +$25.3M | 0.01% | 1112 |
|
|
2020
Q1 | $1.86M | Sell |
12,216
-23,052
| -65% | -$3.55M | ﹤0.01% | 4265 |
|
|
2019
Q4 | $5.3M | Sell |
35,268
-93,193
| -73% | -$13.6M | ﹤0.01% | 3007 |
|
|
2019
Q3 | $18.2M | Buy |
128,461
+66,639
| +108% | +$9.18M | 0.01% | 1564 |
|
|
2019
Q2 | $7.74M | Buy |
61,822
+49,024
| +383% | +$5.79M | ﹤0.01% | 2503 |
|
|
2019
Q1 | $1.41M | Buy |
12,798
+9,493
| +287% | +$987K | ﹤0.01% | 5006 |
|
|
2018
Q4 | $324K | Buy |
3,305
+487
| +17% | +$52.8K | ﹤0.01% | 7119 |
|
|
2018
Q3 | $348K | Sell |
2,818
-568
| -17% | -$63.7K | ﹤0.01% | 7336 |
|
|
2018
Q2 | $336K | Sell |
3,386
-33,803
| -91% | -$3.11M | ﹤0.01% | 7019 |
|
|
2018
Q1 | $3.28M | Buy |
37,189
+4,492
| +14% | +$420K | ﹤0.01% | 3015 |
|
|
2017
Q4 | $3.23M | Buy |
32,697
+28,054
| +604% | +$2.75M | ﹤0.01% | 3007 |
|
|
2017
Q3 | $447K | Sell |
4,643
-22,429
| -83% | -$2.03M | ﹤0.01% | 5485 |
|
|
2017
Q2 | $2.56M | Sell |
27,072
-21,200
| -44% | -$1.95M | ﹤0.01% | 2854 |
|
|
2017
Q1 | $3.94M | Buy |
48,272
+32,064
| +198% | +$2.68M | ﹤0.01% | 2284 |
|
|
2016
Q4 | $1.38M | Sell |
16,208
-55,759
| -77% | -$4.38M | ﹤0.01% | 3410 |
|
|
2016
Q3 | $5.36M | Buy |
+71,967
| New | +$5.71M | 0.01% | 1916 |
|
|
2016
Q2 | – | Sell |
-10,917
| Closed | -$757K | – | 7486 |
|
|
2016
Q1 | $757K | Sell |
10,917
-44,204
| -80% | -$2.66M | ﹤0.01% | 3826 |
|
|
2015
Q4 | $3.32M | Buy |
55,121
+54,741
| +14,406% | +$3.29M | ﹤0.01% | 2210 |
|
|
2015
Q3 | $21K | Buy |
+380
| New | +$22.1K | ﹤0.01% | 8130 |
|
|
2015
Q2 | – | Sell |
-10,010
| Closed | -$559K | – | 9132 |
|
|
2015
Q1 | $603K | Buy |
+10,010
| New | +$533K | ﹤0.01% | 4637 |
|
|
2014
Q4 | – | Sell |
-35,427
| Closed | -$1.58M | – | 8762 |
|
|
2014
Q3 | $1.58M | Sell |
35,427
-2,595
| -7% | -$110K | ﹤0.01% | 3131 |
|
|
2014
Q2 | $1.6M | Buy |
38,022
+36,009
| +1,789% | +$1.54M | ﹤0.01% | 2954 |
|
|
2014
Q1 | $89K | Sell |
2,013
-6,908
| -77% | -$325K | ﹤0.01% | 6311 |
|
|
2013
Q4 | $438K | Sell |
8,921
-33,406
| -79% | -$1.56M | ﹤0.01% | 4176 |
|
|
2013
Q3 | $1.74M | Sell |
42,327
-103,007
| -71% | -$3.93M | ﹤0.01% | 2547 |
|
|
2013
Q2 | $5.11M | Buy |
+145,334
| New | +$4.78M | 0.01% | 1557 |
|
Other funds holding WST
VCM
VPM
GIM
Citadel Advisors's WST Position: Q1 2026 in Review
Citadel Advisors increased its West Pharmaceutical (WST) stake by 32% in Q1 2026, buying an estimated $19.4M and bringing the position to 323,587 shares worth $81.1M. The position accounts for 0.01% of the portfolio, ranked #959.
Citadel Advisors first reported a position in WST in Q2 2013 and has held it in 48 quarters since. The position peaked at $582M in Q3 2023. 753 funds tracked by Wall St. Rank hold WST as of Q1 2026.
- Citadel Advisors held 323,587 shares of West Pharmaceutical worth $81.1M as of Q1 2026.
- Citadel Advisors bought 77,947 West Pharmaceutical shares in Q1 2026, an estimated $19.4M.
- West Pharmaceutical made up 0.01% of Citadel Advisors's portfolio in Q1 2026, its #959 holding.
- Citadel Advisors first reported a position in West Pharmaceutical in Q2 2013 and has held it in 48 quarters since.
- Citadel Advisors's West Pharmaceutical position peaked at $582M in Q3 2023.
- 753 funds tracked by Wall St. Rank held West Pharmaceutical as of Q1 2026.
Based on Citadel Advisors's 13F filing for Q1 2026, filed 15 May 2026.