Position in GKOS
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$43,997,006
+$40,325,909 QoQ
Shares Held
314,804
+823.2% QoQ
Ownership
0.534%
of shares outstanding
% of Portfolio
0.05%
of 13F equity value
Holder Rank
#43
of 362 holders
Holding Since
Dec 2020
18 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in GKOS 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. GKOS ranks #3 (4.6% 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
This page
|
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 GKOS
Export CSV
18 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $43,997,006 | 314,804 | Shares | Other | 2026-08-13 | |
| 2026-03-31 | $3,671,097 | 34,099 | Shares | Other | 2026-05-15 | |
| 2025-12-31 | $817,920 | 7,244 | Shares | Other | 2026-02-13 | |
| 2025-09-30 | $26,465,176 | 324,527 | Shares | Other | 2025-11-13 | |
| 2025-06-30 | $23,827,452 | 230,685 | Shares | Other | 2025-08-13 | |
| 2025-03-31 | $33,932,360 | 344,771 | Shares | Other | 2025-05-15 | |
| 2024-09-30 | $16,780,454 | 128,803 | Shares | Other | 2024-11-14 | |
| 2024-03-31 | $301,728 | 3,200 | Shares | Other | 2024-05-15 | |
| 2023-12-31 | $5,812,944 | 73,128 | Shares | Other | 2024-02-14 | |
| 2023-03-31 | $332,513 | 6,637 | Shares | Other | 2023-05-15 | |
| 2022-09-30 | $255,552 | 4,800 | Shares | Other | 2022-11-14 | |
| 2022-06-30 | $360,816 | 7,944 | Shares | Other | 2022-08-15 | |
| 2022-03-31 | $564,554 | 9,764 | Shares | Other | 2022-05-16 | |
| 2021-12-31 | $18,910,775 | 425,535 | Shares | Other | 2022-02-14 | |
| 2021-09-30 | $32,406,993 | 672,763 | Shares | Sole | 2021-11-15 | |
| 2021-06-30 | $324,814 | 3,829 | Shares | Sole | 2021-08-13 | |
| 2021-03-31 | $698,045 | 8,317 | Shares | Sole | 2021-05-17 | |
| 2020-12-31 | $998,474 | 13,267 | Shares | Sole | 2021-02-16 | |
| No filing history on record for this holder in this stock. | ||||||