Position in GKOS
as of Jun 30, 2026
· filed Aug 3, 2026
Position Value
$11,032,793
+$4,411,381 QoQ
Shares Held
78,941
+28.4% QoQ
Ownership
0.134%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#85
of 364 holders
Holding Since
Mar 2020
26 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 Sep 30, 2022CallValue
$0
CallShares
0
PutValue
$6,388,800
PutShares
120,000
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, 2026CITIGROUP INC holds $1,358,327,068 across 91 Medical Devices names. GKOS ranks #18 (0.8% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | ABT |
Abbott Laboratories
|
2,621,398 | $237,865,653 | |
| 2 | SYK |
Stryker Corp
|
623,725 | $196,373,577 | |
| 3 | MDT |
Medtronic plc
|
1,848,092 | $144,576,236 | |
| 4 | PEN |
Penumbra Inc
|
433,125 | $136,759,218 | |
| 5 | BSX |
Boston Scientific Corp
|
2,582,561 | $110,223,702 | |
| 6 | EW |
Edwards Lifesciences Corp
|
1,199,364 | $108,494,465 | |
| 7 | DXCM |
Dexcom Inc
|
956,398 | $64,413,403 | |
| 8 | GEHC |
GE HealthCare Technologies Inc.
|
850,374 | $54,432,438 |
All Filings in GKOS
Export CSV
29 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $11,032,793 | 78,941 | Shares | Defined | 2026-08-03 | |
| 2026-03-31 | $6,621,412 | 61,503 | Shares | Defined | 2026-05-11 | |
| 2025-12-31 | $5,038,382 | 44,623 | Shares | Defined | 2026-02-13 | |
| 2025-09-30 | $1,786,922 | 21,912 | Shares | Defined | 2025-11-10 | |
| 2025-06-30 | $5,846,315 | 56,601 | Shares | Defined | 2025-08-11 | |
| 2025-03-31 | $7,632,075 | 77,546 | Shares | Defined | 2025-05-12 | |
| 2024-12-31 | $12,137,942 | 80,952 | Shares | Defined | 2025-02-12 | |
| 2024-09-30 | $8,709,476 | 66,852 | Shares | Defined | 2024-11-12 | |
| 2024-06-30 | $4,202,370 | 35,508 | Shares | Defined | 2024-08-12 | |
| 2024-03-31 | $3,349,179 | 35,520 | Shares | Defined | 2024-05-10 | |
| 2023-12-31 | $2,296,306 | 28,888 | Shares | Defined | 2024-02-09 | |
| 2023-09-30 | $1,430,501 | 19,010 | Shares | Defined | 2023-12-06 | |
| 2023-06-30 | $12,609,154 | 177,070 | Shares | Defined | 2023-08-10 | |
| 2023-03-31 | $1,080,356 | 21,564 | Shares | Defined | 2023-05-11 | |
| 2022-12-31 | $1,246,496 | 28,537 | Shares | Defined | 2023-02-09 | |
| 2022-09-30 | $12,316,966 | 231,348 | Shares | Defined | 2022-11-10 | |
| 2022-09-30 | $6,388,800 | 120,000 | Put | Defined | 2022-11-10 | |
| 2022-06-30 | $935,470 | 20,596 | Shares | Defined | 2022-08-10 | |
| 2022-03-31 | $10,004,247 | 173,024 | Shares | Defined | 2022-05-12 | |
| 2022-03-31 | $4,625,600 | 80,000 | Put | Defined | 2022-05-12 | |
| 2021-12-31 | $1,597,306 | 35,943 | Shares | Defined | 2022-02-10 | |
| 2021-09-30 | $1,243,797 | 25,821 | Shares | Defined | 2021-11-10 | |
| 2021-06-30 | $2,239,427 | 26,399 | Shares | Defined | 2021-08-10 | |
| 2021-06-30 | $8,483,000 | 100,000 | Call | Defined | 2021-08-10 | |
| 2021-03-31 | $417,971 | 4,980 | Shares | Defined | 2021-05-13 | |
| 2020-12-31 | $828,988 | 11,015 | Shares | Defined | 2021-02-11 | |
| 2020-09-30 | $845,207 | 17,068 | Shares | Defined | 2020-11-12 | |
| 2020-06-30 | $899,181 | 23,404 | Shares | Defined | 2020-08-12 | |
| 2020-03-31 | $1,128,642 | 36,573 | Shares | Defined | 2020-05-12 | |
| No filing history on record for this holder in this stock. | ||||||