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, 2026AMI ASSET MANAGEMENT CORP holds $81,696,605 across 3 Medical Instruments & Supplies names. WST ranks #2 (47.4% of the industry book) .
All Filings in WST
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25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $38,699,066 | 154,401 | Shares | Sole | 2026-04-23 | |
| 2025-12-31 | $43,757,990 | 159,039 | Shares | Sole | 2026-01-23 | |
| 2025-09-30 | $42,759,790 | 163,000 | Shares | Sole | 2025-10-16 | |
| 2025-06-30 | $36,168,734 | 165,305 | Shares | Sole | 2025-07-18 | |
| 2025-03-31 | $38,911,015 | 173,803 | Shares | Sole | 2025-04-23 | |
| 2024-12-31 | $59,832,109 | 182,660 | Shares | Sole | 2025-01-17 | |
| 2024-09-30 | $55,273,263 | 184,146 | Shares | Sole | 2024-10-25 | |
| 2024-06-30 | $52,678,683 | 159,928 | Shares | Sole | 2024-07-25 | |
| 2024-03-31 | $65,188,473 | 164,738 | Shares | Sole | 2024-04-19 | |
| 2023-12-31 | $56,170,534 | 159,521 | Shares | Sole | 2024-01-19 | |
| 2023-09-30 | $60,243,717 | 160,560 | Shares | Sole | 2023-10-20 | |
| 2023-06-30 | $60,721,319 | 158,761 | Shares | Sole | 2023-07-25 | |
| 2023-03-31 | $62,334,457 | 179,913 | Shares | Sole | 2023-04-21 | |
| 2022-12-31 | $42,852,528 | 182,080 | Shares | Sole | 2023-01-17 | |
| 2022-09-30 | $22,459,721 | 91,270 | Shares | Sole | 2022-10-24 | |
| 2022-06-30 | $28,803,161 | 95,258 | Shares | Sole | 2022-07-21 | |
| 2022-03-31 | $39,614,622 | 96,454 | Shares | Sole | 2022-04-27 | |
| 2021-12-31 | $45,121,107 | 96,205 | Shares | Sole | 2022-01-20 | |
| 2021-09-30 | $42,098,660 | 99,163 | Shares | Sole | 2021-10-22 | |
| 2021-06-30 | $36,675,960 | 102,133 | Shares | Sole | 2021-07-20 | |
| 2021-03-31 | $30,481,833 | 108,176 | Shares | Sole | 2021-04-16 | |
| 2020-12-31 | $33,488,375 | 118,204 | Shares | Sole | 2021-01-20 | |
| 2020-09-30 | $33,009,442 | 120,078 | Shares | Sole | 2020-10-23 | |
| 2020-06-30 | $29,343,094 | 129,168 | Shares | Sole | 2020-07-15 | |
| 2020-03-31 | $33,444,300 | 219,667 | Shares | Sole | 2020-04-27 | |
| No filing history on record for this holder in this stock. | ||||||