Artisan Partners Limited Partnership
Position in WST — West Pharmaceutical Services Inc
CIK 1466153
Milwaukee, WI
Position in WST
as of Mar 31, 2026
· filed May 13, 2026
Position Value
$666,174,301
-$118,085,030 QoQ
Shares Held
2,657,893
-6.8% QoQ
Ownership
3.76%
of shares outstanding
% of Portfolio
1.10%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 93.98689112014668.ToString("F0")%
Shared 0.ToString("F0")%
None 6.013108879853327.ToString("F0")%
Common Shares in WST Over Time
Shares Held
Position Value (USD)
Position in Medical Instruments & Supplies
Healthcare · as of Mar 31, 2026Artisan Partners Limited Partnership holds $1,199,224,402 across 8 Medical Instruments & Supplies names. WST ranks #1 (55.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | WST |
West Pharmaceutical Services Inc
This page
|
2,657,893 | $666,174,301 | |
| 2 | MDLN |
Medline Inc.
|
6,629,443 | $295,010,213 | |
| 3 | BAX |
Baxter International Inc
|
4,861,774 | $81,677,803 | |
| 4 | ALGN |
Align Technology Inc
|
217,158 | $37,227,395 | |
| 5 | ISRG |
Intuitive Surgical Inc
|
80,203 | $36,972,780 | |
| 6 | STVN |
Stevanato Group S.p.A.
|
2,290,060 | $31,488,325 | |
| 7 | WRBY |
Warby Parker Inc.
|
1,342,003 | $28,276,003 | |
| 8 | RGEN |
Repligen Corp
|
190,100 | $22,397,582 |
All Filings in WST
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $666,174,301 | 2,657,893 | Shares | Sole | 2026-05-13 | |
| 2025-12-31 | $784,259,331 | 2,850,401 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $726,895,443 | 2,770,920 | Shares | Sole | 2025-11-12 | |
| 2025-06-30 | $496,089,397 | 2,267,319 | Shares | Sole | 2025-08-12 | |
| 2025-03-31 | $491,524,734 | 2,195,483 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $1,019,007,386 | 3,110,903 | Shares | Sole | 2025-02-12 | |
| 2024-09-30 | $920,448,744 | 3,066,527 | Shares | Sole | 2024-11-12 | |
| 2024-06-30 | $820,804,305 | 2,491,892 | Shares | Sole | 2024-08-12 | |
| 2024-03-31 | $817,749,356 | 2,066,537 | Shares | Sole | 2024-05-13 | |
| 2023-12-31 | $690,529,503 | 1,961,063 | Shares | Sole | 2024-02-12 | |
| 2023-09-30 | $597,060,791 | 1,591,271 | Shares | Sole | 2023-11-09 | |
| 2023-06-30 | $387,241,313 | 1,012,475 | Shares | Sole | 2023-08-10 | |
| 2023-03-31 | $403,536,727 | 1,164,709 | Shares | Sole | 2023-05-11 | |
| 2022-12-31 | $249,660,221 | 1,060,804 | Shares | Sole | 2023-02-10 | |
| 2022-09-30 | $225,345,053 | 915,739 | Shares | Sole | 2022-11-10 | |
| 2022-06-30 | $257,996,597 | 853,248 | Shares | Sole | 2022-08-12 | |
| 2022-03-31 | $223,713,326 | 544,699 | Shares | Sole | 2022-05-13 | |
| 2021-12-31 | $357,945,617 | 763,194 | Shares | Sole | 2022-02-11 | |
| 2021-09-30 | $339,363,690 | 799,368 | Shares | Sole | 2021-11-12 | |
| 2021-06-30 | $355,937,765 | 991,194 | Shares | Sole | 2021-08-12 | |
| 2021-03-31 | $352,281,074 | 1,250,199 | Shares | Sole | 2021-05-11 | |
| 2020-12-31 | $368,596,225 | 1,301,035 | Shares | Sole | 2021-02-10 | |
| 2020-09-30 | $373,257,845 | 1,357,795 | Shares | Sole | 2020-11-12 | |
| 2020-06-30 | $308,267,191 | 1,356,989 | Shares | Sole | 2020-08-12 | |
| 2020-03-31 | $182,782,976 | 1,200,545 | Shares | Sole | 2020-05-12 | |
| No filing history on record for this holder in this stock. | ||||||