Glaukos Corporation (GKOS)
NYSE: GKOS
· Real-Time Price · USD
89.74
-1.34 (-1.47%)
At close: Aug 15, 2025, 3:59 PM
89.86
0.13%
After-hours: Aug 15, 2025, 04:54 PM EDT
13F Institute Ownership
Total Institutes of 335 in Glaukos reduced their positions with a decrease of 4 investors compared to the previous quarter. A reduction of 205.38K shares, as total invested capital declined by $2.92B with ownership percentage dropping from 103.81% to 100.52%.
Options Activity
Institutions are holding more Puts Contracts as Calls Contracts, indicating a bearish sentiment.
Put/Call 2.871
2.87
Call Flow 260,300
26%
Put Flow 747,300
74%
Top Shareholders
| Institute | Ownership | Shares | Shares % Change | Market Value | Portfolio | Filing Date |
|---|---|---|---|---|---|---|
| Blackrock, Inc. | 15.11% | 8.56M | -2.74% | 842.12M | 0.02% | May 02, 2025 |
| FMR LLC | 11.54% | 6.54M | +6.97% | 643.44M | 0.04% | May 12, 2025 |
| Vanguard Group Inc | 10.53% | 5.97M | -0.17% | 587.09M | 0.01% | May 09, 2025 |
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