William Mack & Associates
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William Mack & Associates’s West Pharmaceutical WST Stock Holding History

William Mack & Associates’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
Q3 		$742 Buy
+2
New +$706 ﹤0.01% 781

Other funds holding WST

BlackRock
BlackRock New York $6.79T AUM 37.06% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.32T AUM 44.66% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.76T AUM
Vanguard Portfolio Management
Vanguard Portfolio Management Malvern, Pennsylvania $2.21T AUM
State Street
State Street Boston, Massachusetts $3.44T AUM 36.12% 1-Year Est. Return
Artisan Partners
Artisan Partners Milwaukee, Wisconsin $54.9B AUM 27.38% 1-Year Est. Return
Geode Capital Management
Geode Capital Management Boston, Massachusetts $1.92T AUM 36.1% 1-Year Est. Return
Bank of New York Mellon
Bank of New York Mellon New York $608B AUM 32.77% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.96T AUM 27.49% 1-Year Est. Return
Invesco
Invesco Atlanta, Georgia $1.27T AUM 50.62% 1-Year Est. Return

William Mack & Associates's WST Position: Q3 2026 in Review

William Mack & Associates opened a new position in West Pharmaceutical (WST) in Q3 2026: 2 shares worth $742. The stake represents ﹤0.01% of the portfolio and ranks #781 among its holdings.

716 funds tracked by Wall St. Rank hold WST as of Q3 2026.

  • William Mack & Associates held 2 shares of West Pharmaceutical worth $742 as of Q3 2026.
  • West Pharmaceutical was a new William Mack & Associates position in Q3 2026.
  • West Pharmaceutical made up ﹤0.01% of William Mack & Associates's portfolio in Q3 2026, its #781 holding.
  • 716 funds tracked by Wall St. Rank held West Pharmaceutical as of Q3 2026.

Based on William Mack & Associates's 13F filing for Q3 2026, filed 27 Oct 2026.