Position in GKOS
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$3,775,851
+$3,775,851 QoQ
Shares Held
35,072
Ownership
0.060%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2020
25 quarters on record
Voting authority
Sole 100.ToString("F0")%
Shared 0.ToString("F0")%
None 0.ToString("F0")%
Common Shares in GKOS Over Time
Shares Held
Position Value (USD)
Derivatives in GKOS
reported options exposure · as of Mar 31, 2026CallValue
$8,300,586
CallShares
77,100
PutValue
$23,534,476
PutShares
218,600
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 Mar 31, 2026SUSQUEHANNA INTERNATIONAL GROUP, LLP holds $313,124,743 across 83 Medical Devices names. GKOS ranks #14 (1.2% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ABT |
Abbott Laboratories
|
720,999 | $74,024,967 | |
| 2 | BSX |
Boston Scientific Corp
|
1,033,109 | $64,827,589 | |
| 3 | DXCM |
Dexcom Inc
|
378,706 | $23,782,736 | |
| 4 | PEN |
Penumbra Inc
|
45,531 | $14,951,014 | |
| 5 | TMDX |
TransMedics Group, Inc.
|
133,875 | $13,308,513 | |
| 6 | HAE |
Haemonetics Corp
|
234,271 | $13,203,513 | |
| 7 | INSP |
Inspire Medical Systems, Inc.
|
210,573 | $10,861,355 | |
| 8 | EW |
Edwards Lifesciences Corp
|
119,419 | $9,563,073 |
All Filings in GKOS
Export CSV
50 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $3,775,851 | 35,072 | Shares | Other | 2026-05-15 | |
| 2026-03-31 | $8,300,586 | 77,100 | Call | Other | 2026-05-15 | |
| 2026-03-31 | $23,534,476 | 218,600 | Put | Other | 2026-05-15 | |
| 2025-12-31 | $27,527,458 | 243,800 | Put | Other | 2026-02-17 | |
| 2025-12-31 | $14,113,750 | 125,000 | Call | Other | 2026-02-17 | |
| 2025-09-30 | $1,957,200 | 24,000 | Put | Other | 2025-11-14 | |
| 2025-09-30 | $974,033 | 11,944 | Shares | Other | 2025-11-14 | |
| 2025-09-30 | $4,411,855 | 54,100 | Call | Other | 2025-11-14 | |
| 2025-06-30 | $11,567,860 | 111,994 | Shares | Other | 2025-08-14 | |
| 2025-06-30 | $6,445,296 | 62,400 | Call | Other | 2025-08-14 | |
| 2025-06-30 | $4,059,297 | 39,300 | Put | Other | 2025-08-14 | |
| 2025-03-31 | $7,824,390 | 79,500 | Put | Other | 2025-05-14 | |
| 2025-03-31 | $6,644,038 | 67,507 | Shares | Other | 2025-05-14 | |
| 2025-03-31 | $5,600,098 | 56,900 | Call | Other | 2025-05-14 | |
| 2024-12-31 | $3,287,134 | 21,923 | Shares | Other | 2025-02-14 | |
| 2024-12-31 | $28,833,462 | 192,300 | Put | Other | 2025-02-14 | |
| 2024-12-31 | $14,004,396 | 93,400 | Call | Other | 2025-02-14 | |
| 2024-09-30 | $9,549,524 | 73,300 | Put | Defined | 2024-11-14 | |
| 2024-09-30 | $3,310,935 | 25,414 | Shares | Defined | 2024-11-14 | |
| 2024-09-30 | $4,012,624 | 30,800 | Call | Defined | 2024-11-14 | |
| 2024-06-30 | $4,662,990 | 39,400 | Call | Defined | 2024-08-15 | |
| 2024-06-30 | $6,935,310 | 58,600 | Put | Defined | 2024-08-15 | |
| 2024-06-30 | $399,904 | 3,379 | Shares | Defined | 2024-08-15 | |
| 2024-03-31 | $549,804 | 5,831 | Shares | Defined | 2024-05-07 | |
| 2024-03-31 | $4,035,612 | 42,800 | Put | Defined | 2024-05-07 | |
| 2024-03-31 | $1,989,519 | 21,100 | Call | Defined | 2024-05-07 | |
| 2023-12-31 | $14,157,169 | 178,100 | Call | Defined | 2024-02-14 | |
| 2023-12-31 | $3,521,407 | 44,300 | Put | Defined | 2024-02-14 | |
| 2023-12-31 | $1,272,873 | 16,013 | Shares | Defined | 2024-02-14 | |
| 2023-09-30 | $218,225 | 2,900 | Put | Defined | 2023-11-14 | |
| 2023-09-30 | $2,912,175 | 38,700 | Call | Defined | 2023-11-14 | |
| 2023-09-30 | $1,198,430 | 15,926 | Shares | Defined | 2023-11-14 | |
| 2023-06-30 | $981,629 | 13,785 | Shares | Defined | 2023-08-11 | |
| 2023-06-30 | $1,566,620 | 22,000 | Put | Defined | 2023-08-11 | |
| 2023-06-30 | $3,831,098 | 53,800 | Call | Defined | 2023-08-11 | |
| 2023-03-31 | $4,520,823 | 90,236 | Shares | Defined | 2023-05-16 | |
| 2023-03-31 | $1,768,530 | 35,300 | Put | Defined | 2023-05-16 | |
| 2023-03-31 | $1,878,750 | 37,500 | Call | Defined | 2023-05-16 | |
| 2022-12-31 | $1,100,736 | 25,200 | Call | Defined | 2023-02-14 | |
| 2022-12-31 | $4,608,240 | 105,500 | Put | Defined | 2023-02-14 | |
| 2022-12-31 | $3,014,138 | 69,005 | Shares | Defined | 2023-02-14 | |
| 2022-09-30 | $3,662,912 | 68,800 | Put | Defined | 2022-11-14 | |
| 2022-09-30 | $2,651,352 | 49,800 | Call | Defined | 2022-11-14 | |
| 2022-09-30 | $1,719,705 | 32,301 | Shares | Defined | 2022-11-14 | |
| 2022-06-30 | $2,298,252 | 50,600 | Put | Defined | 2022-08-15 | |
| 2022-06-30 | $926,568 | 20,400 | Call | Defined | 2022-08-15 | |
| 2022-06-30 | $755,925 | 16,643 | Shares | Defined | 2022-08-15 | |
| 2022-03-31 | $2,821,616 | 48,800 | Put | Defined | 2022-05-16 | |
| 2022-03-31 | $4,949,392 | 85,600 | Call | Defined | 2022-05-16 | |
| 2022-03-31 | $306,792 | 5,306 | Shares | Defined | 2022-05-16 | |
| No filing history on record for this holder in this stock. | ||||||