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BLAIR WILLIAM & CO/IL

Position in WST — West Pharmaceutical Services Inc

CIK 902367 CHICAGO, IL

Position in WST

as of Jun 30, 2026 · filed Aug 11, 2026
Position Value
$21,953,568
+$6,297,090 QoQ
Shares Held
61,152
-2.1% QoQ
Ownership
0.087%
of shares outstanding
% of Portfolio
0.07%
of 13F equity value
Holder Rank
#116
of 827 holders
Holding Since
Mar 2020
26 quarters on record
Voting authority Sole 92% Shared 0% None 8%

Common Shares in WST Over Time

Shares Held

Position Value (USD)

Position in Medical Instruments & Supplies

Healthcare · as of Jun 30, 2026

BLAIR WILLIAM & CO/IL holds $238,830,873 across 17 Medical Instruments & Supplies names. WST ranks #4 (9.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 WST
West Pharmaceutical Services Inc
This page
61,152 $21,953,568

All Filings in WST

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26 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $21,953,568 61,152
2026-03-31 $15,656,478 62,466
2025-12-31 $17,145,624 62,316
2025-09-30 $16,788,857 63,999
2025-06-30 $15,695,836 71,736
2025-03-31 $18,489,129 82,585
2024-12-31 $34,022,346 103,866
2024-09-30 $30,379,193 101,210
2024-06-30 $37,062,962 112,520
2024-03-31 $40,309,394 101,866
2023-12-31 $35,457,075 100,696
2023-09-30 $37,684,591 100,436
2023-06-30 $38,574,011 100,855
2023-03-31 $35,662,157 102,930
2022-12-31 $23,159,852 98,406
2022-09-30 $25,259,619 102,648
2022-06-30 $30,235,488 99,995
2022-03-31 $40,806,913 99,357
2021-12-31 $54,624,656 116,468
2021-09-30 $49,880,902 117,494
2021-06-30 $46,166,614 128,562
2021-03-31 $35,757,036 126,897
2020-12-31 $35,711,225 126,050
2020-09-30 $34,925,220 127,047
2020-06-30 $29,323,557 129,082
2020-03-31 $19,855,988 130,417