WELLINGTON MANAGEMENT GROUP LLP
Position in WST — West Pharmaceutical Services Inc
CIK 902219
Boston, MA
Position in WST
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$62,318,124
+$57,954,405 QoQ
Shares Held
248,636
+1467.7% QoQ
Ownership
0.352%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 0.ToString("F0")%
Shared 94.76302707572516.ToString("F0")%
None 5.236972924274844.ToString("F0")%
Common Shares in WST Over Time
Shares Held
Position Value (USD)
Position in Medical Instruments & Supplies
Healthcare · as of Mar 31, 2026WELLINGTON MANAGEMENT GROUP LLP holds $3,560,852,149 across 18 Medical Instruments & Supplies names. WST ranks #6 (1.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ISRG |
Intuitive Surgical Inc
|
3,959,290 | $1,825,193,094 | |
| 2 | BDX |
Becton Dickinson & Co
|
6,615,230 | $1,040,112,609 | |
| 3 | COO |
Cooper Companies, Inc.
|
3,365,907 | $240,662,348 | |
| 4 | AVTR |
Avantor, Inc.
|
24,224,156 | $189,917,381 | |
| 5 | ATRC |
AtriCure, Inc.
|
3,382,555 | $96,504,291 | |
| 6 | WST |
West Pharmaceutical Services Inc
This page
|
248,636 | $62,318,124 | |
| 7 | ICUI |
Icu Medical Inc/De
|
243,121 | $31,399,075 | |
| 8 | MMSI |
Merit Medical Systems Inc
|
303,828 | $20,942,864 |
All Filings in WST
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $62,318,124 | 248,636 | Shares | Defined | 2026-05-15 | |
| 2025-12-31 | $4,363,719 | 15,860 | Shares | Defined | 2026-02-17 | |
| 2025-09-30 | $3,835,002 | 14,619 | Shares | Defined | 2025-11-14 | |
| 2025-06-30 | $3,020,752 | 13,806 | Shares | Defined | 2025-08-14 | |
| 2025-03-31 | $3,021,036 | 13,494 | Shares | Defined | 2025-05-13 | |
| 2024-12-31 | $2,180,238 | 6,656 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $1,968,148 | 6,557 | Shares | Defined | 2024-11-14 | |
| 2024-06-30 | $1,896,626 | 5,758 | Shares | Defined | 2024-08-14 | |
| 2024-03-31 | $2,145,142 | 5,421 | Shares | Defined | 2024-05-15 | |
| 2023-12-31 | $2,055,323 | 5,837 | Shares | Defined | 2024-02-12 | |
| 2023-09-30 | $1,364,262 | 3,636 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $1,509,225 | 3,946 | Shares | Defined | 2023-08-14 | |
| 2023-03-31 | $1,218,534 | 3,517 | Shares | Defined | 2023-05-12 | |
| 2022-12-31 | $834,315 | 3,545 | Shares | Defined | 2023-02-13 | |
| 2022-09-30 | $824,367 | 3,350 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $1,703,854 | 5,635 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $1,467,055 | 3,572 | Shares | Defined | 2022-05-16 | |
| 2021-12-31 | $2,830,005 | 6,034 | Shares | Defined | 2022-02-11 | |
| 2021-09-30 | $1,685,847 | 3,971 | Shares | Defined | 2021-11-15 | |
| 2021-06-30 | $2,491,435 | 6,938 | Shares | Defined | 2021-08-16 | |
| 2021-03-31 | $2,346,099 | 8,326 | Shares | Defined | 2021-05-17 | |
| 2020-12-31 | $3,111,308 | 10,982 | Shares | Defined | 2021-02-12 | |
| 2020-09-30 | $1,619,984 | 5,893 | Shares | Defined | 2020-11-16 | |
| 2020-06-30 | $2,467,519 | 10,862 | Shares | Defined | 2020-08-14 | |
| 2020-03-31 | $1,089,500 | 7,156 | Shares | Defined | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||