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Glaukos GKOS · USD

Health Care · US listing · 🇺🇸 United States

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238.74

+6.39%

Close of 9 Nov 2026, in USD

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Reference data, closing prices and charts across 45,000 companies, plus crypto, commodities and currencies.

Largest shareholders

As filed, so dates differ, and a group and its funds can both appear.

HolderSharesStakeChangeFiled
BLACKROCK, INC.9.1m15.83%−74.5k31 Mar 2026
JANUS HENDERSON GROUP PLC5.3m9.31%+2.3m31 Mar 2026
PRIMECAP MANAGEMENT CO/CA/3.4m5.87%−6.3k31 Mar 2026
VANGUARD PORTFOLIO MANAGEMENT LLC3.2m5.59%+3.2m31 Mar 2026
VANGUARD CAPITAL MANAGEMENT LLC2.5m4.37%+2.5m31 Mar 2026
STATE STREET CORP2.2m3.80%+60.2k31 Mar 2026
AMERIPRISE FINANCIAL INC1.6m2.80%−493.5k31 Mar 2026
CITADEL ADVISORS LLC1.4m2.52%+1.4m31 Mar 2026
ALLIANCEBERNSTEIN L.P.1.4m2.43%−245.9k31 Mar 2026
HOLOCENE ADVISORS, LP1.4m2.41%+84.4k31 Mar 2026
GOLDMAN SACHS GROUP INC1.4m2.39%+24.5k31 Mar 2026
GEODE CAPITAL MANAGEMENT, LLC1.4m2.36%+38.8k31 Mar 2026
MILLENNIUM MANAGEMENT LLC1.2m2.04%−436k31 Mar 2026
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC1.1m1.87%−33.1k31 Mar 2026
CAPITAL WORLD INVESTORS989.1k1.72%+138.2k31 Mar 2026

Insider trades

Purchases and sales by directors and officers, as filed with the regulator

DateWhoTypeSharesPriceValue
25 Mar 2026 ↗Thurman Alex R.SVP & CHIEF FINANCIAL OFFICERSale2.5k106.46$267,321
24 Mar 2026 ↗Thurman Alex R.SVP & CHIEF FINANCIAL OFFICERSale1.5k105.24$160,070
17 Mar 2026 ↗Thurman Alex R.SVP & CHIEF FINANCIAL OFFICERSale62599.15$61,969
16 Mar 2026 ↗Navratil TomasCHIEF DEVELOPMENT OFFICERSale1k98.04$101,078
19 Feb 2026 ↗WEISNER AIMEE SDirectorSale15k117.38$1.8m

Short interest

Shares sold short, 15 Oct 2026. US exchange data.

4.3m

+12.8% on the period before. 4.0 days to cover.

Short volume

Share of the day's trading sold short, 4 Nov 2026

30.7%

Last 60 trading days.

Failed deliveries

Shares not delivered on settlement, from the SEC

  • 4 Sept 202618 shares
  • 3 Sept 20261,782 shares
  • 31 Aug 20261,400 shares
  • 28 Aug 20263 shares
  • 25 Aug 2026482 shares

Sources and methodology

Data on this tab
Our data supplier
Chart on the Overview
TradingView

Nothing here is investment advice. Prices can be delayed or wrong, so check with the exchange before relying on them. Data for this page. How we cover markets.