Position in COO
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$18,353,385
-$51,312,713 QoQ
Shares Held
255,939
-69.0% QoQ
Ownership
0.131%
of shares outstanding
% of Portfolio
0.02%
of 13F equity value
Holder Rank
#100
of 669 holders
Holding Since
Mar 2020
19 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in COO 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. COO ranks #11 (3.1% 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
|
83,578 | $30,004,502 |
All Filings in COO
Export CSV
19 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $18,353,385 | 255,939 | Shares | Other | 2026-08-13 | |
| 2025-03-31 | $69,666,098 | 825,917 | Shares | Other | 2025-05-15 | |
| 2024-12-31 | $103,173,221 | 1,122,302 | Shares | Other | 2025-02-13 | |
| 2024-09-30 | $233,658,740 | 2,117,625 | Shares | Other | 2024-11-14 | |
| 2024-06-30 | $68,434,207 | 783,897 | Shares | Other | 2024-08-14 | |
| 2024-03-31 | $160,701,985 | 1,583,895 | Shares | Other | 2024-05-15 | |
| 2023-12-31 | $113,074,844 | 298,792 | Shares | Other | 2024-02-14 | |
| 2023-06-30 | $1,906,413 | 4,972 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $58,819,507 | 157,541 | Shares | Other | 2023-05-15 | |
| 2022-12-31 | $31,083,972 | 94,003 | Shares | Other | 2023-02-14 | |
| 2022-03-31 | $11,277,017 | 27,005 | Shares | Other | 2022-05-16 | |
| 2021-12-31 | $4,566,446 | 10,900 | Shares | Other | 2022-02-14 | |
| 2021-09-30 | $10,090,550 | 24,414 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $21,014,198 | 53,030 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $9,149,791 | 23,822 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $20,004,399 | 55,060 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $9,269,788 | 27,497 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $9,109,098 | 32,115 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $57,026,750 | 206,866 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||