T. Rowe Price Investment Management, Inc.
Position in WST — West Pharmaceutical Services Inc
CIK 1897612
BALTIMORE, MD
Position in WST
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$586,598,607
+$263,319,563 QoQ
Shares Held
2,340,403
+99.2% QoQ
Ownership
3.31%
of shares outstanding
% of Portfolio
0.41%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Sep 2022
15 quarters on record
Voting authority
Sole 99.70701627027482.ToString("F0")%
Shared 0.ToString("F0")%
None 0.29298372972517983.ToString("F0")%
Common Shares in WST Over Time
Shares Held
Position Value (USD)
Position in Medical Instruments & Supplies
Healthcare · as of Mar 31, 2026T. Rowe Price Investment Management, Inc. holds $3,661,498,498 across 8 Medical Instruments & Supplies names. WST ranks #3 (16.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BDX |
Becton Dickinson & Co
|
9,685,271 | $1,522,815,159 | |
| 2 | COO |
Cooper Companies, Inc.
|
9,060,177 | $647,802,655 | |
| 3 | WST |
West Pharmaceutical Services Inc
This page
|
2,340,403 | $586,598,607 | |
| 4 | TFX |
Teleflex Inc
|
3,836,207 | $458,848,719 | |
| 5 | RGEN |
Repligen Corp
|
1,366,680 | $161,022,237 | |
| 6 | BLFS |
Biolife Solutions Inc
|
6,506,346 | $124,141,081 | |
| 7 | AVTR |
Avantor, Inc.
|
14,786,678 | $115,927,555 | |
| 8 | STVN |
Stevanato Group S.p.A.
|
3,224,908 | $44,342,485 |
All Filings in WST
Export CSV
15 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $586,598,607 | 2,340,403 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $323,279,044 | 1,174,962 | Shares | Sole | 2026-02-19 | |
| 2025-09-30 | $184,002,196 | 701,415 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $102,055,759 | 466,434 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $103,448,903 | 462,073 | Shares | Sole | 2025-05-14 | |
| 2024-12-31 | $240,187,300 | 733,262 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $251,927,289 | 839,310 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $369,570,639 | 1,121,985 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $429,750,952 | 1,086,025 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $438,318,976 | 1,244,800 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $610,040,431 | 1,625,864 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $660,502,359 | 1,726,939 | Shares | Sole | 2023-08-14 | |
| 2023-03-31 | $595,903,454 | 1,719,928 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $404,795,410 | 1,719,972 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $420,241,643 | 1,707,744 | Shares | Sole | 2022-11-14 | |
| No filing history on record for this holder in this stock. | ||||||