Position in GKOS
as of Jun 30, 2026
· filed Aug 3, 2026
Position Value
$3,750,459
+$3,750,459 QoQ
Shares Held
26,835
Ownership
0.045%
of shares outstanding
% of Portfolio
0.03%
of 13F equity value
Holder Rank
#126
of 364 holders
Holding Since
Dec 2020
14 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in GKOS Over Time
Shares Held
Position Value (USD)
Derivatives in GKOS
reported options exposure · as of Mar 31, 2026CallValue
$269,150
CallShares
2,500
PutValue
$32,298
PutShares
300
Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.
Position in Medical Devices
Healthcare · as of Jun 30, 2026Walleye Capital LLC holds $154,257,139 across 31 Medical Devices names. GKOS ranks #8 (2.4% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | BSX |
Boston Scientific Corp
|
1,578,172 | $67,356,380 | |
| 2 | ABT |
Abbott Laboratories
|
329,761 | $29,922,513 | |
| 3 | GMED |
Globus Medical Inc
|
156,421 | $12,358,823 | |
| 4 | INSP |
Inspire Medical Systems, Inc.
|
245,763 | $10,963,487 | |
| 5 | ESTA |
Establishment Labs Holdings Inc.
|
80,123 | $6,875,354 | |
| 6 | MDT |
Medtronic plc
|
67,268 | $5,262,375 | |
| 7 | BRKR |
Bruker Corp
|
10,004 | $4,479,340 | |
| 8 | GKOS |
GLAUKOS Corp
This page
|
26,835 | $3,750,459 |
All Filings in GKOS
Export CSV
25 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $3,750,459 | 26,835 | Shares | Sole | 2026-08-03 | |
| 2026-03-31 | $32,298 | 300 | Put | Sole | 2026-05-13 | |
| 2026-03-31 | $269,150 | 2,500 | Call | Sole | 2026-05-13 | |
| 2025-03-31 | $103,833 | 1,055 | Shares | Sole | 2025-05-14 | |
| 2025-03-31 | $118,104 | 1,200 | Call | Sole | 2025-05-14 | |
| 2025-03-31 | $49,210 | 500 | Put | Sole | 2025-05-14 | |
| 2024-09-30 | $13,028 | 100 | Put | Sole | 2024-11-14 | |
| 2024-09-30 | $22,799 | 175 | Shares | Sole | 2024-11-14 | |
| 2024-09-30 | $247,532 | 1,900 | Call | Sole | 2024-11-14 | |
| 2024-06-30 | $224,865 | 1,900 | Put | Sole | 2024-08-14 | |
| 2024-06-30 | $390,555 | 3,300 | Call | Sole | 2024-08-14 | |
| 2024-06-30 | $57,991 | 490 | Shares | Sole | 2024-08-14 | |
| 2024-03-31 | $18,858 | 200 | Call | Sole | 2024-05-15 | |
| 2024-03-31 | $154,069 | 1,634 | Shares | Sole | 2024-05-15 | |
| 2024-03-31 | $254,583 | 2,700 | Put | Sole | 2024-05-15 | |
| 2023-09-30 | $361,200 | 4,800 | Put | Sole | 2023-11-21 | |
| 2023-09-30 | $421,400 | 5,600 | Call | Sole | 2023-11-21 | |
| 2023-09-30 | $304,762 | 4,050 | Shares | Sole | 2023-11-21 | |
| 2022-12-31 | $1,857,448 | 42,524 | Shares | Sole | 2023-02-14 | |
| 2022-09-30 | $2,796,111 | 52,519 | Shares | Sole | 2022-11-14 | |
| 2022-06-30 | $420,271 | 9,253 | Shares | Sole | 2022-08-19 | |
| 2022-03-31 | $278,518 | 4,817 | Shares | Sole | 2022-05-27 | |
| 2021-12-31 | $380,406 | 8,560 | Shares | Sole | 2022-05-27 | |
| 2021-09-30 | $557,182 | 11,567 | Shares | Sole | 2021-11-15 | |
| 2020-12-31 | $208,921 | 2,776 | Shares | Sole | 2021-02-16 | |
| No filing history on record for this holder in this stock. | ||||||