Glaukos Corporation (GKOS) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for GKOS. 13F holdings as of 2026-03-31.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| BlackRock, Inc. | 9,090,029 | $979M | DECREASED |
| JANUS HENDERSON GROUP PLC | 5,348,395 | $576M | INCREASED |
| PRIMECAP MANAGEMENT CO/CA/ | 3,370,628 | $363M | DECREASED |
| VANGUARD PORTFOLIO MANAGEMENT LLC | 3,208,363 | $345M | NEW |
| VANGUARD CAPITAL MANAGEMENT LLC | 2,508,771 | $270M | NEW |
Recent Insider Trades
| Insider | Type | Shares | Value | Date |
|---|---|---|---|---|
| Tomas Navratil (CHIEF DEVELOPMENT OFFICER) | SELL | 1,537 | $201K | 2026-06-16 |
| Denice Torres (Director) | AWARD | 2,987 | $318K | 2026-05-28 |
| David F Hoffmeister (Director) | AWARD | 2,987 | $318K | 2026-05-28 |
| Gilbert H Kliman (Director) | AWARD | 2,987 | $318K | 2026-05-28 |
| Aimee S Weisner (Director) | AWARD | 2,987 | $318K | 2026-05-28 |
Full institutional holdings, insider history, and congressional trades for Glaukos Corporation on SentiSense.