Position in GKOS
as of Mar 31, 2026
· filed May 15, 2026
Position Value
$10,212,950
-$1,260,173 QoQ
Shares Held
94,863
-6.6% QoQ
Ownership
0.162%
of shares outstanding
% of Portfolio
0.67%
of 13F equity value
Holder Rank
—
not a current holder
Holding Since
Mar 2025
5 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, 2026OSTERWEIS CAPITAL MANAGEMENT INC holds $49,421,258 across 5 Medical Devices names. GKOS ranks #2 (20.7% of the industry book) .
All Filings in GKOS
Export CSV
5 filing rows on record
| Report Date | Value (USD) | Shares | Type | Discretion | Filed | |
|---|---|---|---|---|---|---|
| 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 | |
| 2025-03-31 | $5,819,869 | 59,133 | Shares | Sole | 2025-06-05 | |
| No filing history on record for this holder in this stock. | ||||||