Grantham, Mayo, Van Otterloo & Co. LLC
Position in WST — West Pharmaceutical Services Inc
CIK 1352662
Boston, MA
Position in WST
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$2,031,940
+$1,664,487 QoQ
Shares Held
5,660
+336.4% QoQ
Ownership
0.008%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#328
of 830 holders
Holding Since
Mar 2020
5 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 Jun 30, 2026Grantham, Mayo, Van Otterloo & Co. LLC holds $544,701,356 across 8 Medical Instruments & Supplies names. WST ranks #4 (0.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ISRG |
Intuitive Surgical Inc
|
1,227,993 | $488,348,256 | |
| 2 | ATR |
Aptargroup, Inc.
|
286,172 | $35,828,734 | |
| 3 | SOLV |
Solventum Corp
|
184,193 | $14,210,489 | |
| 4 | WST |
West Pharmaceutical Services Inc
This page
|
5,660 | $2,031,940 | |
| 5 | BDX |
Becton Dickinson & Co
|
12,659 | $1,915,686 | |
| 6 | COO |
Cooper Companies, Inc.
|
17,500 | $1,254,925 | |
| 7 | AVTR |
Avantor, Inc.
|
106,700 | $1,056,330 | |
| 8 | OSUR |
Orasure Technologies Inc
|
12,331 | $54,996 |
All Filings in WST
Export CSV
5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $2,031,940 | 5,660 | Shares | Sole | 2026-08-13 | |
| 2020-12-31 | $367,453 | 1,297 | Shares | Sole | 2021-02-12 | |
| 2020-09-30 | $3,084,103 | 11,219 | Shares | Sole | 2020-11-13 | |
| 2020-06-30 | $2,548,620 | 11,219 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $1,799,442 | 11,819 | Shares | Sole | 2020-05-14 | |
| No filing history on record for this holder in this stock. | ||||||