GKOS GLAUKOS Corp: institutional ownership and insider trading
399 funds reported holding $9.93B of GLAUKOS Corp in their latest 13F filings; in Q2 2026 funds net bought $461M, with 64 new positions and 39 funds selling out; over the last 12 months insiders bought $0 and sold $69.3M on the open market.
Famous investors holding GKOS
- Izzy Englander (Millennium Management): $225M, 0.1% of the portfolio
- Renaissance Technologies (Renaissance Technologies): $20.6M, 0.0% of the portfolio
- Ken Griffin (Citadel Advisors): $204M, 0.0% of the portfolio
- Two Sigma (Two Sigma Investments): $8.86M, 0.0% of the portfolio
- D. E. Shaw (D. E. Shaw & Co.): $7.99M, 0.0% of the portfolio
- Ray Dalio (Bridgewater Associates): $463K, 0.0% of the portfolio
Largest institutional holders of GKOS
- BlackRock, Inc. (BLK) — $1.33B
- VANGUARD GROUP INC — $680M
- Jupiter Topco LLC — $680M
- JANUS HENDERSON GROUP PLC (JHG) — $576M
- VANGUARD PORTFOLIO MANAGEMENT LLC — $464M
- PRIMECAP MANAGEMENT CO/CA/ — $425M
- VANGUARD CAPITAL MANAGEMENT LLC — $357M
- STATE STREET CORP (STT, STT-PG) — $324M
- MILLENNIUM MANAGEMENT LLC — $225M
- Holocene Advisors, LP — $212M
Recent GKOS insider trades
- Oct 5, 2026: Navratil Tomas sold 1,527 shares ($251K)
- Sep 25, 2026: Navratil Tomas sold 1,615 shares ($249K)
- Sep 16, 2026: Navratil Tomas sold 1,457 shares ($243K)
- Aug 28, 2026: Navratil Tomas sold 13,744 shares ($2.48M)
5%+ owners
- JANUS HENDERSON GROUP PLC: 9.2% (Schedule 13G/A, filed May 15, 2026)
- Vanguard Portfolio Management: 5.6% (Schedule 13G, filed Apr 29, 2026)
- Vanguard Capital Management: 5.1% (Schedule 13G, filed Apr 29, 2026)