Glaukos Corporation (GKOS) Ownership & Trading Activity

Institutional holders, insider transactions, and congressional trades for GKOS. 13F holdings as of 2026-06-30.

Top Institutional Holders

InstitutionSharesValueChange
BlackRock9,540,056$1.3BINCREASED
Vanguard6,387,830$893MINCREASED
Jupiter Topco4,862,894$680MNEW
Primecap Management Co3,040,705$425MDECREASED
State Street2,315,568$324MINCREASED

Recent Insider Trades

InsiderTypeSharesValueDate
Tomas Navratil (CHIEF DEVELOPMENT OFFICER)SELL4$6882026-09-16
Tomas Navratil (CHIEF DEVELOPMENT OFFICER)SELL234$40K2026-09-16
Tomas Navratil (CHIEF DEVELOPMENT OFFICER)SELL120$20K2026-09-16
Tomas Navratil (CHIEF DEVELOPMENT OFFICER)SELL460$77K2026-09-16
Tomas Navratil (CHIEF DEVELOPMENT OFFICER)SELL191$32K2026-09-16

Full institutional holdings, insider history, and congressional trades for Glaukos Corporation on SentiSense.