Glaukos CORP Schedule 13G passive stakes

Janus Henderson Group plc has filed a Schedule 13G, reporting beneficial ownership of 5,348,395 shares of Glaukos Corp. common stock, representing 9.2% of the class.

Vanguard Capital Management has filed a Schedule 13G reporting a 5.07% beneficial ownership stake in Glaukos Corp.

Vanguard Portfolio Management has reported a beneficial ownership of 5.6% in Glaukos Corp's common stock as of March 31, 2026.

The Vanguard Group has amended its Schedule 13G filing for Glaukos Corp, reporting 0% beneficial ownership following an internal realignment where subsidiaries will now report separately.

Janus Henderson Group plc has reported a 5.3% beneficial ownership stake in Glaukos Corp, holding over 3 million shares.

PRIMECAP Management Co./CA/ has reported a 5.88% beneficial ownership stake in Glaukos Corporation, holding 3,376,928 shares as an investment adviser.

Wellington Management Group and its affiliates have filed an amended Schedule 13G, reporting a passive beneficial ownership of 0.85% in Glaukos Corporation's common stock as of December 31, 2025.

Wellington Management Group LLP and its affiliates have reported a beneficial ownership of 5.68% in Glaukos Corporation's common stock as of June 30, 2025.

FMR LLC and Abigail P. Johnson have filed an amended Schedule 13G, disclosing a 4.5% beneficial ownership stake in Glaukos Corp's common stock.

BlackRock, Inc. has filed an amended Schedule 13G, disclosing a beneficial ownership of 14.4% of Glaukos Corp's common stock as of March 31, 2025.

Thomas W. Burns, a key insider, has filed an Amendment No. 9 to Schedule 13G, disclosing a beneficial ownership of 4.4% of Glaukos Corporation's common stock as of December 31, 2024.

FMR LLC and Abigail P. Johnson have filed an amended Schedule 13G, reporting a passive beneficial ownership of 11.0% in Glaukos Corp's common stock as of December 31, 2024.