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Postrock Partners’s West Pharmaceutical WST Stock Holding History

Postrock Partners’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 		$277K Buy
+771
New +$236K 0.11% 70
2026
Q1 		– Sell
-771
Closed -$212K – 85
2025
Q4 		$212K Hold
771
– – 0.09% 80
2025
Q3 		$202K Buy
+771
New +$187K 0.09% 82
2025
Q1 		– Sell
-771
Closed -$253K – 86
2024
Q4 		$253K Buy
+771
New +$243K 0.12% 73

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

Postrock Partners's WST Position: Q2 2026 in Review

Postrock Partners opened a new position in West Pharmaceutical (WST) in Q2 2026: 771 shares worth $277K. The stake represents 0.11% of the portfolio and ranks #70 among its holdings. This is a return to the name: Postrock Partners previously reported a position in WST as recently as Q4 2025.

Postrock Partners first reported a position in WST in Q4 2024 and has held it in 4 quarters since. 831 funds tracked by Wall St. Rank hold WST as of Q2 2026.

  • Postrock Partners held 771 shares of West Pharmaceutical worth $277K as of Q2 2026.
  • West Pharmaceutical was a new Postrock Partners position in Q2 2026.
  • West Pharmaceutical made up 0.11% of Postrock Partners's portfolio in Q2 2026, its #70 holding.
  • Postrock Partners first reported a position in West Pharmaceutical in Q4 2024 and has held it in 4 quarters since.
  • 831 funds tracked by Wall St. Rank held West Pharmaceutical as of Q2 2026.

Based on Postrock Partners's 13F filing for Q2 2026, filed 24 Jul 2026.