Position in BIO
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$5,572,716
-$3,686,522 QoQ
Shares Held
18,980
-42.9% QoQ
Ownership
0.071%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#87
of 397 holders
Holding Since
Mar 2020
23 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in BIO Over Time
Shares Held
Position Value (USD)
Position in Medical Devices
Healthcare · as of Jun 30, 2026MARSHALL WACE, LLP holds $951,017,652 across 59 Medical Devices names. BIO ranks #20 (0.6% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ABT |
Abbott Laboratories
|
5,542,438 | $502,920,823 | |
| 2 | BSX |
Boston Scientific Corp
|
2,414,223 | $103,039,037 | |
| 3 | GKOS |
GLAUKOS Corp
|
314,804 | $43,997,006 | |
| 4 | DXCM |
Dexcom Inc
|
532,804 | $35,884,349 | |
| 5 | EW |
Edwards Lifesciences Corp
|
344,361 | $31,150,895 | |
| 6 | PEN |
Penumbra Inc
|
90,520 | $28,581,689 | |
| 7 | SYK |
Stryker Corp
|
51,116 | $16,093,361 | |
| 8 | GMED |
Globus Medical Inc
|
188,541 | $14,896,623 |
All Filings in BIO
Export CSV
23 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $5,572,716 | 18,980 | Shares | Other | 2026-08-13 | |
| 2026-03-31 | $9,259,238 | 33,217 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $3,502,563 | 11,560 | Shares | Other | 2026-02-13 | |
| 2025-09-30 | $3,536,839 | 12,614 | Shares | Other | 2025-11-13 | |
| 2025-06-30 | $223,462 | 926 | Shares | Other | 2025-08-13 | |
| 2025-03-31 | $6,599,257 | 27,095 | Shares | Other | 2025-05-15 | |
| 2024-12-31 | $748,673 | 2,279 | Shares | Other | 2025-02-13 | |
| 2023-12-31 | $2,034,207 | 6,300 | Shares | Other | 2024-02-14 | |
| 2023-09-30 | $45,039,242 | 125,650 | Shares | Other | 2023-11-14 | |
| 2023-06-30 | $7,435,680 | 19,613 | Shares | Other | 2023-08-14 | |
| 2023-03-31 | $15,981,065 | 33,362 | Shares | Other | 2023-05-15 | |
| 2022-12-31 | $250,191 | 595 | Shares | Other | 2023-02-14 | |
| 2022-09-30 | $71,998,363 | 172,600 | Shares | Other | 2022-11-14 | |
| 2022-06-30 | $111,260,655 | 224,769 | Shares | Other | 2022-08-15 | |
| 2022-03-31 | $263,221,595 | 467,343 | Shares | Other | 2022-05-16 | |
| 2021-12-31 | $251,884,369 | 333,370 | Shares | Other | 2022-02-14 | |
| 2021-09-30 | $327,728,656 | 439,344 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $280,329,934 | 435,099 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $324,948,894 | 568,918 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $215,344,448 | 369,411 | Shares | Sole | 2021-02-16 | |
| 2020-09-30 | $144,621,065 | 280,567 | Shares | Sole | 2020-11-16 | |
| 2020-06-30 | $105,243,221 | 233,102 | Shares | Sole | 2020-08-13 | |
| 2020-03-31 | $39,351,061 | 112,252 | Shares | Sole | 2020-05-15 | |
| No filing history on record for this holder in this stock. | ||||||