VIKING GLOBAL INVESTORS LP
Position in WST — West Pharmaceutical Services Inc
CIK 1103804
STAMFORD, CT
Position in WST
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$104,503,846
+$23,329,843 QoQ
Shares Held
416,948
+41.3% QoQ
Ownership
0.590%
of shares outstanding
% of Portfolio
0.30%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Dec 2025
2 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in WST Over Time
Shares Held
Position Value (USD)
Position in Medical Instruments & Supplies
Healthcare · as of Mar 31, 2026VIKING GLOBAL INVESTORS LP holds $613,316,490 across 2 Medical Instruments & Supplies names. WST ranks #2 (17.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | MDLN |
Medline Inc.
|
11,433,992 | $508,812,644 | |
| 2 | WST |
West Pharmaceutical Services Inc
This page
|
416,948 | $104,503,846 |
All Filings in WST
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2 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $104,503,846 | 416,948 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $81,174,003 | 295,028 | Shares | Sole | 2026-02-17 | |
| No filing history on record for this holder in this stock. | ||||||