WEST PHARMACEUTICAL SERVICES (WST) Institutional Ownership

WST is currently held by 5 institutional investors tracked by InsiderSet, with a combined reported market value of approximately $271.53M based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026.

The largest disclosed holder is Bill & Melinda Gates Foundation Trust, which reported ownership valued at approximately $111.41M in its March 31, 2026 13F filing. Based on current market prices and the latest disclosed share count, Bill & Melinda Gates Foundation Trust's WST position is now estimated to be worth approximately $149.53M, representing an estimated gain of +34.21% since the filing period.

Major shareholders tracked on this page include Bill & Melinda Gates Foundation Trust, Viking Global Investors, Renaissance Technologies LLC, and other prominent asset managers. Collectively, these investors account for approximately 100% of the total disclosed value among the investors covered in this analysis.

This page tracks institutional ownership trends, hedge fund exposure, portfolio concentration, historical 13F filings, and estimated holding performance to help investors analyze smart money sentiment toward WEST PHARMACEUTICAL SERVICES (WST).

Institutional Ownership Trend

Portfolio quarterInstitutional holdersTotal reported valueTotal shares
Q1 20265$271,528,0911,083,339
Q4 20256$245,221,555891,261
Q3 20255$436,464,1311,663,798
Q2 20255$345,934,1851,581,052
Q1 20254$465,952,9462,081,262
Q4 20243$229,688,742701,211
Q3 20243$343,797,9121,145,382
Q2 20243$355,652,9791,079,732
Q1 20242$408,437,9371,032,165
Q4 20232$401,554,5391,140,391
Q3 20232$451,360,4331,202,954
Q2 20232$489,352,3891,279,453

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