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Who owns West Pharmaceutical Services (WST) stock

797 funds reported West Pharmaceutical Services (WST) shares in their latest 13F filings, worth $26.3B in all. The largest holder is Vanguard Group ($2.6B). Last quarter 408 funds added to their stakes and 294 cut them.

Largest holders of WST (13F)Largest holders of WST (13F)Vanguard Group$2.6BBlackRock$2.4BVanguard Capital Management LLC$1.7BVanguard Portfolio Management LLC$1.4BFMR LLC$1.3BState Street$1.2BArtisan Partners Limited Partners…$866MBank of New York Mellon$734MGeneration Investment Management …$728MGeode Capital Management, LLC$681M

Largest holders (13F)

FundSharesValueChangeQuarter
Vanguard Group9,539,173$2.6Bdecrease2025-12-31
BlackRock6,651,784$2.4Bdecrease2026-06-30
Vanguard Capital Management LLC4,613,134$1.7Bdecrease2026-06-30
Vanguard Portfolio Management LLC4,015,766$1.4Bdecrease2026-06-30
FMR LLC3,574,816$1.3Bincrease2026-06-30
State Street3,348,698$1.2Bincrease2026-06-30
Artisan Partners Limited Partnership2,411,792$866Mdecrease2026-06-30
Bank of New York Mellon2,043,823$734Mdecrease2026-06-30
Generation Investment Management LLP2,028,322$728Mdecrease2026-06-30
Geode Capital Management, LLC1,903,279$681Mdecrease2026-06-30
T. Rowe Price Investment Management1,805,019$648Mdecrease2026-06-30
Morgan Stanley1,582,546$568Mincrease2026-06-30
Brown Advisory1,075,309$386Mdecrease2026-06-30
Longview Partners (Guernsey)1,033,826$371Mdecrease2026-06-30
Invesco1,009,852$363Mdecrease2026-06-30

West Pharmaceutical Services' latest quarter

West Pharmaceutical Services, Q3 2026: revenue $874M (+9% year over year), operating margin 30.6%, net earnings $214M, operating cash flow $190M. The chart follows the revenue to costs, profit and cash.

Questions

Who owns the most WST stock?

By the latest 13F filings: Vanguard Group ($2.6B); BlackRock ($2.4B); Vanguard Capital Management LLC ($1.7B); Vanguard Portfolio Management LLC ($1.4B); FMR LLC ($1.3B).

What is the short interest in WST?

2,013,684 shares were sold short at the 2026-10-15 settlement, -4.16% of the float.

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Updated Nov 8, 2026. Read automatically from SEC filings and public data; errors are possible. Not investment advice.