ADAGE CAPITAL PARTNERS GP, L.L.C.
Position in WST — West Pharmaceutical Services Inc
CIK 1165408
Boston, MA
Position in WST
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$16,092,842
-$1,765,669 QoQ
Shares Held
64,207
-1.1% QoQ
Ownership
0.091%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2020
24 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in WST Over Time
Shares Held
Position Value (USD)
Position in Medical Instruments & Supplies
Healthcare · as of Mar 31, 2026ADAGE CAPITAL PARTNERS GP, L.L.C. holds $341,161,649 across 9 Medical Instruments & Supplies names. WST ranks #5 (4.7% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ISRG |
Intuitive Surgical Inc
|
379,858 | $175,110,739 | |
| 2 | HOLX |
HOLOGIC INC
|
858,013 | $64,857,202 | |
| 3 | BDX |
Becton Dickinson & Co
|
241,115 | $37,910,511 | |
| 4 | ALGN |
Align Technology Inc
|
130,314 | $22,339,729 | |
| 5 | WST |
West Pharmaceutical Services Inc
This page
|
64,207 | $16,092,842 | |
| 6 | MMSI |
Merit Medical Systems Inc
|
140,000 | $9,650,200 | |
| 7 | SOLV |
Solventum Corp
|
140,022 | $9,143,436 | |
| 8 | ATRC |
AtriCure, Inc.
|
150,000 | $4,279,500 |
All Filings in WST
Export CSV
24 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $16,092,842 | 64,207 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $17,858,511 | 64,907 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $14,561,151 | 55,507 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $14,398,571 | 65,807 | Shares | Sole | 2025-08-14 | |
| 2025-03-31 | $47,262,635 | 211,107 | Shares | Sole | 2025-05-15 | |
| 2024-12-31 | $79,501,104 | 242,707 | Shares | Sole | 2025-02-14 | |
| 2024-09-30 | $53,550,645 | 178,407 | Shares | Sole | 2024-11-14 | |
| 2024-06-30 | $55,965,666 | 169,907 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $78,195,065 | 197,607 | Shares | Sole | 2024-05-15 | |
| 2023-12-31 | $25,319,892 | 71,907 | Shares | Sole | 2024-02-14 | |
| 2023-09-30 | $27,543,040 | 73,407 | Shares | Sole | 2023-11-14 | |
| 2023-06-30 | $28,305,457 | 74,007 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $51,661,102 | 149,107 | Shares | Sole | 2023-05-15 | |
| 2022-12-31 | $17,723,502 | 75,307 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $18,556,154 | 75,407 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $23,314,843 | 77,107 | Shares | Sole | 2022-08-15 | |
| 2022-03-31 | $31,750,757 | 77,307 | Shares | Sole | 2022-05-16 | |
| 2021-12-31 | $37,008,172 | 78,907 | Shares | Sole | 2022-02-14 | |
| 2021-09-30 | $33,711,447 | 79,407 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $28,910,063 | 80,507 | Shares | Sole | 2021-08-16 | |
| 2021-03-31 | $15,725,296 | 55,807 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $16,235,646 | 57,307 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $22,694,919 | 82,557 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $19,367,832 | 85,257 | Shares | Sole | 2020-08-14 | |
| No filing history on record for this holder in this stock. | ||||||