Position in GKOS
as of Mar 31, 2026
· filed Apr 28, 2026
Position Value
$2,840,501
+$1,892,809 QoQ
Shares Held
26,384
+127.0% QoQ
Ownership
0.045%
of shares outstanding
% of Portfolio
0.26%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Jun 2023
8 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)
Position in Medical Devices
Healthcare · as of Mar 31, 2026HARBOR CAPITAL ADVISORS, INC. holds $23,739,518 across 23 Medical Devices names. GKOS ranks #3 (12.0% of the industry book) .
| # | Ticker | Company | Shares | Value (USD) | Open |
|---|---|---|---|---|---|
| 1 | SIBN |
SI-BONE, Inc.
|
246,795 | $3,117,020 | |
| 2 | AHCO |
AdaptHealth Corp.
|
261,644 | $3,113,563 | |
| 3 | GKOS |
GLAUKOS Corp
This page
|
26,384 | $2,840,501 | |
| 4 | ATEC |
Alphatec Holdings, Inc.
|
217,701 | $2,368,586 | |
| 5 | KIDS |
Orthopediatrics Corp
|
135,985 | $2,158,081 | |
| 6 | IRTC |
iRhythm Holdings, Inc.
|
15,661 | $1,848,311 | |
| 7 | BSX |
Boston Scientific Corp
|
22,479 | $1,410,557 | |
| 8 | SYK |
Stryker Corp
|
4,218 | $1,385,992 |
All Filings in GKOS
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8 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-03-31 | $2,840,501 | 26,384 | Shares | Sole | 2026-04-28 | |
| 2025-09-30 | $947,692 | 11,621 | Shares | Sole | 2025-10-15 | |
| 2025-06-30 | $4,059,813 | 39,305 | Shares | Sole | 2025-07-09 | |
| 2025-03-31 | $3,851,371 | 39,132 | Shares | Sole | 2025-04-14 | |
| 2024-12-31 | $3,679,377 | 24,539 | Shares | Sole | 2025-01-10 | |
| 2023-12-31 | $2,170,553 | 27,306 | Shares | Sole | 2024-01-08 | |
| 2023-09-30 | $1,533,896 | 20,384 | Shares | Sole | 2023-10-20 | |
| 2023-06-30 | $1,125,331 | 15,803 | Shares | Sole | 2023-07-11 | |
| No filing history on record for this holder in this stock. | ||||||