Position in GKOS
as of Jun 30, 2026
· filed Aug 14, 2026
Position Value
$5,665,730
-$4,547,220 QoQ
Shares Held
40,539
-57.3% QoQ
Ownership
0.069%
of shares outstanding
% of Portfolio
0.31%
of 13F equity value
Holder Rank
#110
of 364 holders
Holding Since
Jun 2025
5 quarters on record
Voting authority
Sole 100%
Shared 0%
None 0%
Common Shares in GKOS Over Time
Shares Held
Position Value (USD)
Position in Medical Devices
Healthcare · as of Jun 30, 2026OSTERWEIS CAPITAL MANAGEMENT INC holds $39,811,464 across 4 Medical Devices names. GKOS ranks #2 (14.2% of the industry book) .
All Filings in GKOS
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5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 2026-06-30 | $5,665,730 | 40,539 | Shares | Sole | 2026-08-14 | |
| 2026-03-31 | $10,212,950 | 94,863 | Shares | Sole | 2026-05-15 | |
| 2025-12-31 | $11,473,123 | 101,613 | Shares | Sole | 2026-02-17 | |
| 2025-09-30 | $11,603,586 | 142,288 | Shares | Sole | 2025-11-14 | |
| 2025-06-30 | $9,747,787 | 94,373 | Shares | Sole | 2025-08-14 | |
| No filing history on record for this holder in this stock. | ||||||