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GKOS

Glaukos Corporation

NYSE · USHealthcareMedical - Devices
$157.53+0.45%

Price as of Jul 20, 2026

GKOS ownership

Glaukos Corporation ownership & insider activity

Latest available institutional positioning and SEC Form 4 insider transactions, coalesced at the company entity level when listings share coverage.

Insider Activity

Sentiment
0/100
Buys (3m)
0
Sells (3m)
9
Net (3m)
-$9.2M
Insider trades by month Buys Sells
Feb
Mar
Apr
May
Jun
Jul
Context3-month price +29%Institutions mixed (13F)
DateInsiderTypeSharesPrice
Jul 13, 2026Thurman Alex R.officer: SVP & CHIEF FINANCIAL OFFICERSell10,000$155.00
Jul 13, 2026Thurman Alex R.officer: SVP & CHIEF FINANCIAL OFFICEROption10,000$38.68
Jul 8, 2026Navratil Tomasofficer: CHIEF DEVELOPMENT OFFICERSell716$139.06
Jul 8, 2026Thurman Alex R.officer: SVP & CHIEF FINANCIAL OFFICEROption10,000$38.68
Jul 8, 2026Thurman Alex R.officer: SVP & CHIEF FINANCIAL OFFICERSell10,000$150.00
Jun 29, 2026Gilliam Joseph Eofficer: PRESIDENT & COOTax1,056$142.57
Jun 29, 2026Burns Thomas Williamdirector, officer: CHAIRMAN & CEOTax4,059$142.57
Jun 29, 2026Navratil Tomasofficer: CHIEF DEVELOPMENT OFFICERTax483$142.57
Jun 23, 2026Stapley MarcdirectorGrant2,987$106.52
Jun 23, 2026Torres DenicedirectorGrant2,987$106.52
Jun 23, 2026Foley Mark JdirectorGrant2,987$106.52
Jun 23, 2026Kliman Gilbert HdirectorGrant2,987$106.52
Jun 23, 2026WEISNER AIMEE SdirectorGrant2,987$106.52
Jun 23, 2026Hoffmeister David FdirectorGrant2,987$106.52
Jun 23, 2026WEN LEANAdirectorGrant2,987$106.52
Jun 18, 2026Navratil Tomasofficer: CHIEF DEVELOPMENT OFFICERSell1,537$130.68
Jun 1, 2026WEISNER AIMEE SdirectorGrant2,987$53.57
Jun 1, 2026Foley Mark JdirectorGrant2,987$53.57
Jun 1, 2026Stapley MarcdirectorGrant2,987$53.57
Jun 1, 2026Foley Mark JdirectorGrant1,878—
Jun 1, 2026Torres DenicedirectorGrant1,878—
Jun 1, 2026WEN LEANAdirectorGrant1,878—
Jun 1, 2026WEN LEANAdirectorGrant2,987$53.57
Jun 1, 2026Torres DenicedirectorGrant2,987$53.57
Jun 1, 2026WEISNER AIMEE SdirectorGrant1,878—
Jun 1, 2026Hoffmeister David FdirectorGrant2,987$53.57
Jun 1, 2026Hoffmeister David FdirectorGrant1,878—
Jun 1, 2026Kliman Gilbert HdirectorGrant1,878—
Jun 1, 2026Kliman Gilbert HdirectorGrant2,987$53.57
Jun 1, 2026Stapley MarcdirectorGrant1,878—

Source: GKOS SEC Form 4 filings, latest Jul 13, 2026. For informational purposes only — not investment advice.

Institutional activity (13F)

How institutions changed their GKOS positions over the last 6 months (SEC Form 13F).

Increased
252
New positions
121
Reduced
238
Sold out
96
Largest moves
InstitutionActionSharesFiled
BLACKROCK, INC.Increased9.2MFeb 12, 2026
BLACKROCK, INC.Reduced9.1MMay 13, 2026
VANGUARD GROUP INCReduced6.0MJan 29, 2026
JANUS HENDERSON GROUP PLCIncreased5.3MMay 18, 2026
PRIMECAP MANAGEMENT CO/CA/Increased3.4MFeb 11, 2026
PRIMECAP MANAGEMENT CO/CA/Reduced3.4MMay 11, 2026
VANGUARD PORTFOLIO MANAGEMENT LLCNew Position3.2MMay 8, 2026
JANUS HENDERSON GROUP PLCIncreased3.0MFeb 17, 2026
VANGUARD CAPITAL MANAGEMENT LLCNew Position2.5MMay 15, 2026
STATE STREET CORPIncreased2.2MMay 15, 2026
STATE STREET CORPIncreased2.1MFeb 13, 2026
AMERIPRISE FINANCIAL INCIncreased2.1MFeb 17, 2026
ALLIANCEBERNSTEIN L.P.Reduced1.6MFeb 17, 2026
AMERIPRISE FINANCIAL INCReduced1.6MJul 17, 2026
MILLENNIUM MANAGEMENT LLCIncreased1.6MFeb 17, 2026

Source: SEC Form 13F filings. For informational purposes only — not investment advice.