O
WST icon

Ossiam’s West Pharmaceutical WST Stock Holding History

Ossiam’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
Q2 		$18.9M Buy
+52,586
New +$16.1M 0.25% 64
2025
Q4 		– Sell
-56,108
Closed -$14.7M – 717
2025
Q3 		$14.7M Buy
56,108
+48,814
+669% +$11.9M 0.19% 100
2025
Q2 		$1.6M Buy
7,294
+801
+12% +$171K 0.02% 308
2025
Q1 		$1.45M Buy
6,493
+806
+14% +$222K 0.02% 269
2024
Q4 		$1.86M Sell
5,687
-179
-3% -$56.3K 0.03% 246
2024
Q3 		$1.76M Buy
5,866
+1,945
+50% +$596K 0.03% 235
2024
Q2 		$1.29M Buy
3,921
+1,834
+88% +$648K 0.02% 307
2024
Q1 		$826K Buy
2,087
+935
+81% +$346K 0.01% 422
2023
Q4 		$406K Hold
1,152
– – 0.01% 502
2023
Q3 		$432K Sell
1,152
-739
-39% -$286K 0.01% 495
2023
Q2 		$723K Buy
1,891
+698
+59% +$249K 0.01% 368
2023
Q1 		$413K Buy
1,193
+527
+79% +$154K 0.01% 413
2022
Q4 		$157K Hold
666
– – ﹤0.01% 507
2022
Q3 		$164K Buy
+666
New +$203K ﹤0.01% 466
2022
Q2 		– Sell
-343
Closed -$141K – 491
2022
Q1 		$141K Buy
+343
New +$134K ﹤0.01% 372
2021
Q4 		– Sell
-3,334
Closed -$1.42M – 480
2021
Q3 		$1.42M Buy
3,334
+1,302
+64% +$549K 0.04% 213
2021
Q2 		$837K Sell
2,032
-1,745
-46% -$577K 0.02% 251
2021
Q1 		$1.06M Buy
3,777
+1,226
+48% +$351K 0.03% 214
2020
Q4 		$723K Buy
2,551
+652
+34% +$183K 0.03% 221
2020
Q3 		$522K Sell
1,899
-3,200
-63% -$847K 0.02% 246
2020
Q2 		$1.16M Buy
+5,099
New +$1M 0.07% 163

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

Ossiam's WST Position: Q2 2026 in Review

Ossiam opened a new position in West Pharmaceutical (WST) in Q2 2026: 52,586 shares worth $18.9M. The stake represents 0.25% of the portfolio and ranks #64 among its holdings. This is a return to the name: Ossiam previously reported a position in WST as recently as Q3 2025.

Ossiam first reported a position in WST in Q2 2020 and has held it in 21 quarters since. 831 funds tracked by Wall St. Rank hold WST as of Q2 2026.

  • Ossiam held 52,586 shares of West Pharmaceutical worth $18.9M as of Q2 2026.
  • West Pharmaceutical was a new Ossiam position in Q2 2026.
  • West Pharmaceutical made up 0.25% of Ossiam's portfolio in Q2 2026, its #64 holding.
  • Ossiam first reported a position in West Pharmaceutical in Q2 2020 and has held it in 21 quarters since.
  • 831 funds tracked by Wall St. Rank held West Pharmaceutical as of Q2 2026.

Based on Ossiam's 13F filing for Q2 2026, filed 13 Aug 2026.