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GLAUKOS Corp

GKOS
Exchange
NYSE
Industry
Surgical & Medical Instruments & Apparatus
SEC CIK
0001192448

In the last 90 days, GLAUKOS Corp insiders filed 0 open-market purchases and 10 sales; 367 institutions reported holding it in 13F filings for Q2 2026, worth $8.46B in total; no superinvestor holds it.

Key figures

Insider buysOpen market, last 90 days
0
Insider sellsLast 90 days, $22.4M in total
10
13F holdersQ2 2026, +34 vs. previous quarter
367
13F valueReported value at the end of Q2 2026
$8.46B
Superinvestors holdingAt the end of Q2 2026
0

Price chart

Superinvestors holding GKOS, Q2 2026

Go to the superinvestors tab

No superinvestor reported holding GKOS at the end of Q2 2026.

Latest insider trades

Open-market purchases and sales by GLAUKOS Corp insiders from Form 4, newest first.

See all insider trades
Insider trades
Filed (ET)Trade dateFiling delayInsiderTransactionSharesAvg priceValueHolding changeFlags
Sep 18, 2026 (view filing)5:32 PM ETSep 162 daysNavratil TomasCHIEF DEVELOPMENT OFFICERSSale−1.46K$166.92−$243.2K−2.0%72.4K after7 lots10b5-1
Sep 1, 2026 (view filing)6:24 PM ETAug 284 daysNavratil TomasCHIEF DEVELOPMENT OFFICERSSale−13.7K$180.67−$2.48M−15.7%73.9K after3 lots
Aug 20, 2026 (view filing)8:11 PM ETAug 191 dayKliman Gilbert HDirectorSSale−2.50K$190.00−$475.0K−6.3%37.4K after
Aug 13, 2026 (view filing)7:57 PM ETAug 112 daysGilliam Joseph EPRESIDENT & COOSSale−60.0K$179.74−$10.8M−45.3%72.6K after2 lots
Aug 11, 2026 (view filing)5:31 PM ETAug 74 daysThurman Alex R.SVP & CHIEF FINANCIAL OFFICERSSale−20.0K$180.13−$3.60M−31.3%43.9K after10b5-1
Aug 3, 2026 (view filing)4:41 PM ETJul 313 daysWen LeanaDirectorSSale−525$167.63−$88.0K−2.4%21.1K after
Jul 21, 2026 (view filing)4:26 PM ETJul 165 daysLateThurman Alex R.SVP & CHIEF FINANCIAL OFFICERSSale−10.0K$160.00−$1.60M−18.6%43.9K after10b5-1
Jul 13, 2026 (view filing)8:04 PM ETJul 94 daysThurman Alex R.SVP & CHIEF FINANCIAL OFFICERSSale−10.0K$155.00−$1.55M−18.6%43.7K after10b5-1
Jul 8, 2026 (view filing)9:13 PM ETJul 62 daysThurman Alex R.SVP & CHIEF FINANCIAL OFFICERSSale−10.0K$150.00−$1.50M−18.6%43.7K after10b5-1
Jul 8, 2026 (view filing)8:53 PM ETJul 17 daysLateNavratil TomasCHIEF DEVELOPMENT OFFICERSSale−716$139.06−$99.6K−0.8%87.6K after10b5-1

Top 10 13F holders, Q2 2026

The largest institutional positions in GLAUKOS Corp at the end of Q2 2026; share changes are against Q1 2026.

See all 367 holders
Institutions holding GKOS in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.9,540,056$1.33B0.02%+450,027+5.0%Added
Jupiter Topco LLC4,862,894$679.6M0.28%+4,862,894New
Vanguard Portfolio Management LLC3,321,839$464.3M0.02%+113,476+3.5%Added
Primecap Management Co3,040,705$425.0M0.25%−329,923−9.8%Reduced
Vanguard Capital Management LLC2,551,132$356.5M0.01%+42,361+1.7%Added
State Street Corp2,315,568$323.7M0.01%+132,951+6.1%Added
Millennium Management LLC1,581,016$221.0M0.15%+407,320+34.7%Added
Holocene Advisors, LP1,514,931$211.7M0.48%+131,216+9.5%Added
Geode Capital Management, LLC1,463,448$204.6M0.01%+106,995+7.9%Added
Citadel Advisors LLC1,390,017$194.3M0.11%−56,909−3.9%Reduced