BHIA
WST icon

Birch Hill Investment Advisors’s West Pharmaceutical WST Stock Holding History

Birch Hill Investment Advisors’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 		$57.3M Sell
159,696
-1,463
-0.9% -$447K 2.32% 17
2026
Q1 		$40.4M Buy
161,159
+9,011
+6% +$2.24M 1.81% 20
2025
Q4 		$41.9M Buy
152,148
+15,678
+11% +$4.29M 1.75% 21
2025
Q3 		$35.8M Buy
136,470
+63,638
+87% +$15.5M 1.51% 22
2025
Q2 		$15.9M Buy
+72,832
New +$15.6M 0.71% 36

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

Birch Hill Investment Advisors's WST Position: Q2 2026 in Review

Birch Hill Investment Advisors reduced its West Pharmaceutical (WST) stake by 0.91% in Q2 2026, selling an estimated $447K and leaving 159,696 shares worth $57.3M. The position accounts for 2.32% of the portfolio, ranked #17.

Birch Hill Investment Advisors first reported a position in WST in Q2 2025 and has held it in 5 quarters since. 831 funds tracked by Wall St. Rank hold WST as of Q2 2026.

  • Birch Hill Investment Advisors held 159,696 shares of West Pharmaceutical worth $57.3M as of Q2 2026.
  • Birch Hill Investment Advisors sold 1,463 West Pharmaceutical shares in Q2 2026, an estimated $447K.
  • West Pharmaceutical made up 2.32% of Birch Hill Investment Advisors's portfolio in Q2 2026, its #17 holding.
  • Birch Hill Investment Advisors first reported a position in West Pharmaceutical in Q2 2025 and has held it in 5 quarters since.
  • 831 funds tracked by Wall St. Rank held West Pharmaceutical as of Q2 2026.

Based on Birch Hill Investment Advisors's 13F filing for Q2 2026, filed 21 Jul 2026.