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Alberta Investment Management Corp (AIMCo)’s West Pharmaceutical WST Stock Holding History

Alberta Investment Management Corp (AIMCo)’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
2025
Q3 		– Sell
-19,000
Closed -$4.16M – 663
2025
Q2 		$4.16M Buy
+19,000
New +$4.06M 0.03% 291
2024
Q3 		– Sell
-1,200
Closed -$395K – 810
2024
Q2 		$395K Sell
1,200
-400
-25% -$141K ﹤0.01% 632
2024
Q1 		$633K Hold
1,600
– – 0.01% 766
2023
Q4 		$563K Hold
1,600
– – 0.01% 787
2023
Q3 		$600K Sell
1,600
-17,058
-91% -$6.6M 0.01% 775
2023
Q2 		$7.14M Hold
18,658
– – 0.07% 259
2023
Q1 		$6.46M Buy
18,658
+71
+0.4% +$20.7K 0.06% 282
2022
Q4 		$4.37M Buy
18,587
+45
+0.2% +$10.7K 0.04% 447
2022
Q3 		$4.56M Buy
18,542
+664
+4% +$202K 0.04% 504
2022
Q2 		$5.41M Sell
17,878
-12,217
-41% -$3.98M 0.04% 457
2022
Q1 		$12.4M Buy
30,095
+7,757
+35% +$3.04M 0.07% 285
2021
Q4 		$10.5M Buy
22,338
+4,738
+27% +$2.04M 0.06% 305
2021
Q3 		$7.47M Buy
17,600
+100
+0.6% +$42.2K 0.06% 330
2021
Q2 		$6.28M Buy
17,500
+13,300
+317% +$4.39M 0.05% 360
2021
Q1 		$1.18M Buy
+4,200
New +$1.2M 0.01% 639
2020
Q3 		– Sell
-3,800
Closed -$863K – 1157
2020
Q2 		$863K Sell
3,800
-8,000
-68% -$1.57M 0.01% 702
2020
Q1 		$1.8M Buy
+11,800
New +$1.82M 0.03% 461
2019
Q4 		– Sell
-12,800
Closed -$1.81M – 1017
2019
Q3 		$1.81M Buy
+12,800
New +$1.76M 0.02% 505

Other funds holding WST

Vanguard Group
Vanguard Group Malvern, Pennsylvania $6.9T AUM 27.45% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $609B AUM 40.19% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $63.1B AUM 35.51% 1-Year Est. Return
Brown Advisory
Brown Advisory Baltimore, Maryland $64.6B AUM 18.98% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
VanEck Associates
VanEck Associates New York $164B AUM 112.45% 1-Year Est. Return
APG Asset Management
APG Asset Management Amsterdam, Netherlands $40.7B AUM 39.97% 1-Year Est. Return

Alberta Investment Management Corp (AIMCo)'s WST Position: Q3 2025 in Review

Alberta Investment Management Corp (AIMCo) sold out of West Pharmaceutical (WST) in Q3 2025, closing a stake of 19,000 shares — an estimated $4.16M sold.

Alberta Investment Management Corp (AIMCo) first reported a position in WST in Q3 2019 and held it in 18 quarters. The position peaked at $12.4M in Q1 2022. 758 funds tracked by Wall St. Rank hold WST as of Q3 2025.

  • Alberta Investment Management Corp (AIMCo) reported no remaining West Pharmaceutical position as of Q3 2025 after selling out during the quarter.
  • Alberta Investment Management Corp (AIMCo) sold 19,000 West Pharmaceutical shares in Q3 2025, an estimated $4.16M.
  • Alberta Investment Management Corp (AIMCo) first reported a position in West Pharmaceutical in Q3 2019 and held it in 18 quarters.
  • Alberta Investment Management Corp (AIMCo)'s West Pharmaceutical position peaked at $12.4M in Q1 2022.
  • 758 funds tracked by Wall St. Rank held West Pharmaceutical as of Q3 2025.

Based on Alberta Investment Management Corp (AIMCo)'s 13F filing for Q3 2025, filed 7 Nov 2025.