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AMI ASSET MANAGEMENT CORP

Position in WST — West Pharmaceutical Services Inc

CIK 1369702 LOS ANGELES, CA

Position in WST

as of Mar 31, 2026 · filed Apr 23, 2026
Position Value
$38,699,066
-$5,058,924 QoQ
Shares Held
154,401
-2.9% QoQ
Ownership
0.219%
of shares outstanding
% of Portfolio
2.52%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
25 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, 2026

AMI ASSET MANAGEMENT CORP holds $81,696,605 across 3 Medical Instruments & Supplies names. WST ranks #2 (47.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 WST
West Pharmaceutical Services Inc
This page
154,401 $38,699,066

All Filings in WST

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25 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $38,699,066 154,401
2025-12-31 $43,757,990 159,039
2025-09-30 $42,759,790 163,000
2025-06-30 $36,168,734 165,305
2025-03-31 $38,911,015 173,803
2024-12-31 $59,832,109 182,660
2024-09-30 $55,273,263 184,146
2024-06-30 $52,678,683 159,928
2024-03-31 $65,188,473 164,738
2023-12-31 $56,170,534 159,521
2023-09-30 $60,243,717 160,560
2023-06-30 $60,721,319 158,761
2023-03-31 $62,334,457 179,913
2022-12-31 $42,852,528 182,080
2022-09-30 $22,459,721 91,270
2022-06-30 $28,803,161 95,258
2022-03-31 $39,614,622 96,454
2021-12-31 $45,121,107 96,205
2021-09-30 $42,098,660 99,163
2021-06-30 $36,675,960 102,133
2021-03-31 $30,481,833 108,176
2020-12-31 $33,488,375 118,204
2020-09-30 $33,009,442 120,078
2020-06-30 $29,343,094 129,168
2020-03-31 $33,444,300 219,667