— Know what they know.
Not Investment Advice

GKOS NYSE

Glaukos Corporation
1W: -2.1% 1M: +14.4% 3M: +15.7% YTD: +25.6% 1Y: +42.7% 3Y: +132.2% 5Y: +86.1%
$120.23
-18.80 (-13.52%)
 
Weekly Expected Move ±12.1%
$109 $127 $144 $161 $179
NYSE · Healthcare · Medical - Devices · Alpha Radar Neutral · Power 62 · $7.1B mcap · 56M float · 1.32% daily turnover · Short 57% of daily vol

🏦 Institutional Activity

Latest: Q1 2026
385
Institutions Holding
-6 vs prior
77.9%
Ownership
-12.75%
50 New
102 Increased
184 Reduced
73 Closed

👔 Insider Trades

25 records
Date Name Title Type Shares Price Value Filing
2026-05-14 Kliman Gilbert H director S-Sale 5,000 $140.76 $704K Filing
2026-05-11 Kliman Gilbert H director S-Sale 5,000 $135.00 $675K Filing
2026-05-01 WEN LEANA director S-Sale 1,700 $143.35 $244K Filing
2026-05-01 Gilliam Joseph E officer: president & coo S-Sale 19,573 $143.54 $2.8M Filing
2026-04-30 Thurman Alex R. officer: svp & chief financial officer S-Sale 10,000 $140.00 $1.4M Filing
2026-04-10 Navratil Tomas officer: chief development officer S-Sale 32 $120.23 $4K Filing
2026-04-10 Navratil Tomas officer: chief development officer S-Sale 614 $119.35 $73K Filing
2026-04-10 Navratil Tomas officer: chief development officer S-Sale 210 $117.45 $25K Filing
2026-04-10 Navratil Tomas officer: chief development officer S-Sale 1,237 $116.72 $144K Filing
2026-04-02 Gilliam Joseph E officer: president & coo F-Tax Withholding 3,169 $109.60 $347K Filing
2026-04-02 Navratil Tomas officer: chief development officer F-Tax Withholding 1,831 $109.60 $201K Filing
2026-04-02 Thurman Alex R. officer: svp & chief financial officer F-Tax Withholding 1,589 $109.60 $174K Filing
2026-04-02 Burns Thomas William officer: chairman & ceo F-Tax Withholding 2,469 $109.60 $271K Filing
2026-04-02 Burns Thomas William officer: chairman & ceo F-Tax Withholding 7,468 $109.60 $818K Filing
2026-04-02 Navratil Tomas officer: chief development officer F-Tax Withholding 1,146 $109.60 $126K Filing
2026-04-01 Burns Thomas William officer: chairman & ceo G-Gift 180,308 $— $0 Filing
2026-03-31 Navratil Tomas officer: chief development officer F-Tax Withholding 5,798 $109.60 $635K Filing
2026-03-25 Thurman Alex R. officer: svp & chief financial officer A-Grant/Award 3,303 $— $0 Filing
2026-03-25 Navratil Tomas officer: chief development officer A-Grant/Award 12,774 $— $0 Filing
2026-03-25 Navratil Tomas officer: chief development officer A-Grant/Award 3,692 $— $0 Filing
2026-03-25 Navratil Tomas officer: chief development officer A-Grant/Award 11,693 $— $0 Filing
2026-03-25 Gilliam Joseph E officer: president & coo A-Grant/Award 17,792 $— $0 Filing
2026-03-25 Gilliam Joseph E officer: president & coo A-Grant/Award 5,829 $— $0 Filing
2026-03-25 Thurman Alex R. officer: svp & chief financial officer S-Sale 2,511 $106.46 $267K Filing
2026-03-25 Burns Thomas William officer: chairman & ceo A-Grant/Award 14,184 $— $0 Filing

🏛️ Congressional Trades

0 records
Date Politician Chamber Type Amount Filing
No congressional trades found

🏦 Top Institutional Holders

20 holders
Holder Shares Value Date Reported Filing
BlackRock, Inc. 9,090,029 $979M -74,509 2026-03-31 Filing
JANUS HENDERSON GROUP PLC 5,348,395 $576M +2,329,608 2026-03-31 Filing
PRIMECAP MANAGEMENT CO/CA 3,370,628 $363M -6,300 2026-03-31 Filing
VANGUARD PORTFOLIO MANAGEMENT LLC 3,208,363 $345M +3,208,363 2026-03-31 Filing
VANGUARD CAPITAL MANAGEMENT LLC 2,508,771 $270M +2,508,771 2026-03-31 Filing
STATE STREET CORP 2,182,617 $235M +60,215 2026-03-31 Filing
AMERIPRISE FINANCIAL INC 1,610,774 $173M -493,520 2026-03-31 Filing
Holocene Advisors, LP 1,383,715 $149M +84,421 2026-03-31 Filing
GOLDMAN SACHS GROUP INC 1,374,958 $148M +24,533 2026-03-31 Filing
GEODE CAPITAL MANAGEMENT, LLC 1,356,453 $146M +38,805 2026-03-31 Filing
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC 1,073,819 $116M -33,099 2026-03-31 Filing
Capital World Investors 989,060 $106M +138,167 2026-03-31 Filing
Invesco Ltd. 914,188 $98M +133,921 2026-03-31 Filing
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 714,389 $77M +363 2026-03-31 Filing
BANK OF AMERICA CORP /DE 657,432 $71M +118,754 2026-03-31 Filing
NOMURA ASSET MANAGEMENT INTERNATIONAL IN 612,063 $66M -60,895 2026-03-31 Filing
Artisan Partners Limited Partnership 607,462 $65M -95,356 2026-03-31 Filing
NORTHERN TRUST CORP 576,209 $62M -10,921 2026-03-31 Filing
Driehaus Capital Management LLC 487,912 $53M +487,912 2026-03-31 Filing
JENNISON ASSOCIATES LLC 487,020 $52M +487,020 2026-03-31 Filing

Sign in to InsiderStreet

You'll also get our free weekly newsletter with
smart money signals, market insights, and alpha ideas.
Unsubscribe anytime.

For informational purposes only. Not investment advice. Data sourced from SEC filings. Privacy Terms