Institutional shares held 68 Million
285K calls
106K puts
Total value of holdings $17.8B
$74.4M calls
$27.7M puts
Market Cap $19.3B
74,033,000 Shares Out.
Institutional ownership 91.88%
# of Institutions 853


Latest Institutional Activity in WST

Top Purchases

Q4 2025
Sg Americas Securities, LLC Shares Held: 101K ($26.4M)
Q4 2025
Assenagon Asset Management S.A. Shares Held: 251K ($65.6M)
Q4 2025
Davenport & CO LLC Shares Held: 9.52K ($2.49M)
Q4 2025
Nordea Investment Management Ab Shares Held: 15K ($3.91M)
Q4 2025
Salem Investment Counselors Inc Shares Held: 6.56K ($1.71M)

Top Sells

Q4 2025
Rockland Trust CO Shares Held: 6.16K ($1.61M)
Q4 2025
Seilern Investment Management LTD Shares Held: 278K ($72.7M)
Q4 2025
Riverbridge Partners LLC Shares Held: 319K ($83.3M)
Q4 2025
Bright Rock Capital Management, LLC Shares Held: 5K ($1.31M)
Q4 2025
Wealth Enhancement Advisory Services, LLC Shares Held: 21.5K ($5.61M)

About WST

West Pharmaceutical Services, Inc. designs, manufactures, and sells containment and delivery systems for injectable drugs and healthcare products in the Americas, Europe, the Middle East, Africa, and the Asia Pacific. It operates in two segments, Proprietary Products and Contract-Manufactured Products. The Proprietary Products segment offers stoppers and seals for injectable packaging systems; syringe and cartridge components, including custom solutions for the needs of injectable drug applications, as well as administration systems that enhance the safe delivery of drugs through advanced reconstitution, mixing, and transfer technologies; and films, coatings, washing, and vision inspection and sterilization processes and services to enhance the quality of packaging components. It also provides drug containment solutions, including Crystal Zenith, a cyclic olefin polymer in the form of vials, syringes, and cartridges; and self-injection devices, as well as a range of integrated solutions, including analytical lab services, pre-approval primary packaging support and engineering development, regulatory expertise, and after-sales technical support. This segment serves biologic, generic, and pharmaceutical drug companies. The Contract-Manufactured Products segment is involved in the design, manufacture, and automated assembly of devices used in surgical, diagnostic, ophthalmic, injectable, and other drug delivery systems, as well as consumer products. It serves pharmaceutical, diagnostic, and medical device companies. The company distributes its products through its sales force and distribution network, as well as contract sales agents and regional distributors. West Pharmaceutical Services, Inc. was incorporated in 1923 and is headquartered in Exton, Pennsylvania.


Insider Transactions at WST

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
16K Shares
From 18 Insiders
Grant, award, or other acquisition 11.8K shares
Exercise of conversion of derivative security 4.25K shares
Sell / Disposition
1.28K Shares
From 7 Insiders
Payment of exercise price or tax liability 1.28K shares

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