Position in CTKB
as of Jun 30, 2026
· filed Aug 13, 2026
Position Value
$1,956,748
+$1,490,776 QoQ
Shares Held
441,704
+228.9% QoQ
Ownership
0.340%
of shares outstanding
% of Portfolio
0.00%
of 13F equity value
Holder Rank
#31
of 154 holders
Holding Since
Dec 2021
6 quarters on record
Voting authority
Sole 0%
Shared 100%
None 0%
Common Shares in CTKB 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. CTKB ranks #34 (0.2% 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 CTKB
Export CSV
6 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $1,956,748 | 441,704 | Shares | Other | 2026-08-13 | |
| 2025-09-30 | $465,972 | 134,286 | Shares | Other | 2025-11-13 | |
| 2025-06-30 | $888,596 | 261,352 | Shares | Other | 2025-08-13 | |
| 2024-03-31 | $460,245 | 68,591 | Shares | Other | 2024-05-15 | |
| 2022-06-30 | $580,450 | 54,096 | Shares | Other | 2022-08-15 | |
| 2021-12-31 | $116,851 | 7,160 | Shares | Other | 2022-02-14 | |
| No filing history on record for this holder in this stock. | ||||||