MF
WST icon

Magnetar Financial’s West Pharmaceutical WST Stock Holding History

Magnetar Financial’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 		– Sell
-11,918
Closed -$3.28M – 1435
2025
Q4 		$3.28M Buy
+11,918
New +$3.26M 0.03% 268
2025
Q3 		– Sell
-2,064
Closed -$452K – 1230
2025
Q2 		$452K Buy
+2,064
New +$441K ﹤0.01% 597
2024
Q4 		– Sell
-33,631
Closed -$10.1M – 807
2024
Q3 		$10.1M Buy
33,631
+24,214
+257% +$7.42M 0.22% 90
2024
Q2 		$3.1M Buy
9,417
+5,491
+140% +$1.94M 0.06% 160
2024
Q1 		$1.55M Sell
3,926
-17,005
-81% -$6.29M 0.03% 223
2023
Q4 		$7.37M Buy
20,931
+14,871
+245% +$5.26M 0.19% 90
2023
Q3 		$2.27M Buy
+6,060
New +$2.34M 0.06% 175
2023
Q2 		– Sell
-29,300
Closed -$10.2M – 631
2023
Q1 		$10.2M Buy
+29,300
New +$8.56M 0.2% 104
2022
Q4 		– Sell
-13,983
Closed -$3.44M – 967
2022
Q3 		$3.44M Buy
+13,983
New +$4.26M 0.05% 443
2020
Q1 		– Sell
-2,364
Closed -$355K – 665
2019
Q4 		$355K Buy
+2,364
New +$344K 0.01% 400
2019
Q2 		– Sell
-2,358
Closed -$260K – 559
2019
Q1 		$260K Buy
+2,358
New +$245K 0.01% 340
2017
Q2 		– Sell
-8,802
Closed -$718K – 973
2017
Q1 		$718K Buy
+8,802
New +$736K 0.01% 395

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
State Street
State Street Boston, Massachusetts $3.38T AUM 44.17% 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
T. Rowe Price Investment Management
T. Rowe Price Investment Management Baltimore, Maryland $153B AUM 38.14% 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
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Magnetar Financial's WST Position: Q1 2026 in Review

Magnetar Financial sold out of West Pharmaceutical (WST) in Q1 2026, closing a stake of 11,918 shares — an estimated $3.28M sold.

Magnetar Financial first reported a position in WST in Q1 2017 and held it in 12 quarters. The position peaked at $10.2M in Q1 2023. 755 funds tracked by Wall St. Rank hold WST as of Q1 2026.

  • Magnetar Financial reported no remaining West Pharmaceutical position as of Q1 2026 after selling out during the quarter.
  • Magnetar Financial sold 11,918 West Pharmaceutical shares in Q1 2026, an estimated $3.28M.
  • Magnetar Financial first reported a position in West Pharmaceutical in Q1 2017 and held it in 12 quarters.
  • Magnetar Financial's West Pharmaceutical position peaked at $10.2M in Q1 2023.
  • 755 funds tracked by Wall St. Rank held West Pharmaceutical as of Q1 2026.

Based on Magnetar Financial's 13F filing for Q1 2026, filed 13 May 2026.