0Suppliers
10Customers
1Debt Items
0Related Chains

Source-Backed Evidence Depth

West Pharmaceutical Services, Inc. (WST) is shown with relationship data already present in ChainSifter's database. Counts below come from stored supply-chain records and filing/source URLs where available; missing source URLs are not filled in or estimated.

12Total relationships
3Distinct source URLs
8High confidence
0.805Average confidence
2026-09-13Latest database update
ChainSifter does not infer unreported suppliers, customers, ownership, acquisitions, debt exposure, revenue dependency, or future supply-chain events on this public page.

West Pharmaceutical Services, Inc. Suppliers

No suppliers on recordWest Pharmaceutical Services, Inc. has not yet been matched to upstream suppliers in our database, or is still being processed.

West Pharmaceutical Services, Inc. Customers

TickerNameConfidenceEvidence
BIOLOGIC BIOLOGIC 90% Our customers include leading biologic, generic, pharmaceutical, diagnostic, and medical device companies around the world.
DIAGNOSTIC DIAGNOSTIC 90% Our customers include leading biologic, generic, pharmaceutical, diagnostic, and medical device companies around the world.
GENERIC GENERIC 90% Our customers include leading biologic, generic, pharmaceutical, diagnostic, and medical device companies around the world.
MEDICAL-DEVICE MEDICAL-DEVICE 90% Our customers include leading biologic, generic, pharmaceutical, diagnostic, and medical device companies around the world.
PHARMACEUTICAL PHARMACEUTICAL 90% Our customers include leading biologic, generic, pharmaceutical, diagnostic, and medical device companies around the world.
PROPRIETARY-PRODUCTS PROPRIETARY-PRODUCTS 80% Our Proprietary Products reportable segment offers proprietary packaging, containment solutions and drug delivery systems, along with analytical lab services and other integrated services and solutio…
WEST-VANTAGE WEST-VANTAGE 70% Our West Vantage reportable segment serve
CAPITAL-RESOURCES CAPITAL-RESOURCES 62% by reportable segment, corporate and unallocated items: Three Months Ended March 31, ($ in millions) 2026 2025 Proprietary Products $ 189.2 $ 130.6 West Vantage 15.6 13.5 Corporate and unallocated it…
DAIKYO-SEIKO-LTD DAIKYO-SEIKO-LTD 62% aikyo Crystal Zenith ® (“Crystal Zenith”) is a registered trademark of Daikyo Seiko, Ltd. (“Daikyo”). Throughout this report, references to “Notes” refer to the Notes to Consolidated Financial Statem…
MARKET-GROUP MARKET-GROUP 62% See the accompanying disclosure under the heading “Non-U.S. GAAP Financial Measures” in this presentation and today's press release for an explanation of non-U.S. GAAP financial measures and the corr…

West Pharmaceutical Services, Inc. Debt Obligations

InstrumentDescriptionConfidenceEvidence
WST-DEBT Debt stack $205.1M 90% Market cache reports total debt of $205.1M.

West Pharmaceutical Services, Inc. Acquisitions

No acquisitions on recordNo completed or pending acquisitions found in our database for West Pharmaceutical Services, Inc..

West Pharmaceutical Services, Inc. Ownership

HolderNameConfidenceEvidence
WST-OWNER-VANGUARD-CAPITAL-MANAGEMENT-LLC VANGUARD CAPITAL MANAGEMENT LLC 90% 13F overlay lists VANGUARD CAPITAL MANAGEMENT LLC as top holder; 757 tracked holders.

West Pharmaceutical Services, Inc. Extended Supply Chain Network

No secondary connectionsNo correlated companies found through shared supply chain relationships.
🔐
WST
Unlock WST Supply Chain Data
Verified relationships include:
BIOLOGICBIOLOGICCustomer90%
DIAGNOSTICDIAGNOSTICCustomer90%
+8 more relationships locked
Subscribe — View plans →