Glaukos Corporation (GKOS) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for GKOS. 13F holdings as of 2026-06-30.
In 13F filings for the quarter ended June 30, 2026, 356 institutions reported holding GKOS, with 60.7 million shares worth $8.4 billion in aggregate.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| BlackRock | 9,540,056 | $1.3B | INCREASED |
| Vanguard | 6,387,830 | $893M | INCREASED |
| Janus Henderson (Jupiter Topco) | 4,862,894 | $680M | DECREASED |
| Primecap Management Co | 3,040,705 | $425M | DECREASED |
| State Street | 2,315,568 | $324M | INCREASED |
Recent Insider Trades
| Insider | Type | Shares | Value | Date |
|---|---|---|---|---|
| Gilbert H Kliman (Director) | EXERCISE | 2,500 | $64K | 2026-11-04 |
| Gilbert H Kliman (Director) | SELL | 2,500 | $633K | 2026-11-04 |
| Gilbert H Kliman (Director) | EXERCISE | 2,500 | $64K | 2026-11-04 |
| Tomas Navratil (CHIEF DEVELOPMENT OFFICER) | EXERCISE | 8,788 | $755K | 2026-10-30 |
| Tomas Navratil (CHIEF DEVELOPMENT OFFICER) | EXERCISE | 4,181 | $230K | 2026-10-30 |
Full institutional holdings, insider history, and congressional trades for Glaukos Corporation on SentiSense.