Position in WST
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$30,004,502
+$29,610,246 QoQ
Shares Held
83,578
+5213.3% QoQ
Ownership
0.119%
of shares outstanding
% of Portfolio
0.04%
of 13F equity value
Holder Rank
#100
of 827 holders
Holding Since
Jun 2020
22 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in WST Over Time
Shares Held
Position Value (USD)
Position in Medical Instruments & Supplies
Healthcare · as of Jun 30, 2026MARSHALL WACE, LLP holds $588,908,935 across 29 Medical Instruments & Supplies names. WST ranks #8 (5.1% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | AVTR |
Avantor, Inc.
|
13,130,158 | $129,988,562 | |
| 2 | BAX |
Baxter International Inc
|
4,857,267 | $103,556,932 | |
| 3 | ISRG |
Intuitive Surgical Inc
|
110,089 | $43,780,193 | |
| 4 | ALC |
Alcon Inc
|
623,516 | $41,837,923 | |
| 5 | XRAY |
DENTSPLY SIRONA Inc.
|
3,800,116 | $40,319,230 | |
| 6 | RGEN |
Repligen Corp
|
282,107 | $38,490,678 | |
| 7 | ATRC |
AtriCure, Inc.
|
1,333,904 | $37,322,632 | |
| 8 | WST |
West Pharmaceutical Services Inc
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|
83,578 | $30,004,502 |
All Filings in WST
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22 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $30,004,502 | 83,578 | Shares | Other | 2026-08-13 | |
| 2026-03-31 | $394,256 | 1,573 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $9,801,861 | 35,625 | Shares | Other | 2026-02-13 | |
| 2025-09-30 | $209,864 | 800 | Shares | Other | 2025-11-13 | |
| 2025-06-30 | $13,680,688 | 62,526 | Shares | Other | 2025-08-13 | |
| 2025-03-31 | $37,186,243 | 166,099 | Shares | Other | 2025-05-15 | |
| 2024-12-31 | $74,442,922 | 227,265 | Shares | Other | 2025-02-13 | |
| 2024-09-30 | $38,498,220 | 128,259 | Shares | Other | 2024-11-14 | |
| 2024-06-30 | $15,803,802 | 47,979 | Shares | Other | 2024-08-14 | |
| 2024-03-31 | $148,659,540 | 375,678 | Shares | Other | 2024-05-15 | |
| 2023-12-31 | $22,235,321 | 63,147 | Shares | Other | 2024-02-14 | |
| 2023-09-30 | $57,692,664 | 153,761 | Shares | Other | 2023-11-14 | |
| 2023-06-30 | $14,827,214 | 38,767 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $20,108,771 | 58,039 | Shares | Other | 2023-05-15 | |
| 2022-12-31 | $248,529 | 1,056 | Shares | Other | 2023-02-14 | |
| 2022-09-30 | $27,850,596 | 113,177 | Shares | Other | 2022-11-14 | |
| 2022-06-30 | $7,723,436 | 25,543 | Shares | Other | 2022-08-15 | |
| 2021-12-31 | $93,332 | 199 | Shares | Other | 2022-02-14 | |
| 2021-09-30 | $105,752,489 | 249,099 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $55,773,975 | 155,316 | Shares | Sole | 2021-08-13 | |
| 2020-09-30 | $2,871,330 | 10,445 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $2,774,200 | 12,212 | Shares | Sole | 2020-08-13 | |
| No filing history on record for this holder in this stock. | ||||||