GLAUKOS CORP GKOS

US Healthcare Surgical & Medical Instruments & Apparatus
$148.34
+7.8%
52w: $74.67 – $148.34

Latest 13F among current holders filed 32 days ago (Jun 3, 2026)

Price — last 12 months

research preview data
74.67111.50148.34
Jun 20, 2025 Jul 2, 2026
Institutional holders
335
+4 QoQ
13F value
$6.25B
-3.1% QoQ
Smart-money holders
15
signal tier ≥ 2
New smart buyers
0
Q1 2026
Options barometer
0.2×
$18.4M calls / $85.9M puts

Institutional value by quarter

$5.19B
Q1 2024
$6.44B
Q2 2024
$7.22B
Q3 2024
$8.57B
Q4 2024
$5.73B
Q1 2025
$6.32B
Q2 2025
$4.62B
Q3 2025
$6.45B
Q4 2025
$6.25B
Q1 2026

Number of holders

255
Q1 2024
282
Q2 2024
315
Q3 2024
322
Q4 2024
318
Q1 2025
299
Q2 2025
315
Q3 2025
331
Q4 2025
335
Q1 2026

Who owns GKOS?

Q1 2026 filings
FundTypeSharesValue% of fundChange
BlackRock, Inc. Index provider9.1M$978.6M0.0%-0.8%
JANUS HENDERSON GROUP PLC Diversified mechanical5.3M$575.8M0.3%+77.2%
PRIMECAP MANAGEMENT CO/CA/ ★2Long only active3.4M$362.9M0.3%-0.2%
VANGUARD PORTFOLIO MANAGEMENT LLC Diversified mechanical3.2M$345.4M0.0%
VANGUARD CAPITAL MANAGEMENT LLC Diversified mechanical2.5M$270.1M0.0%
STATE STREET CORP Index provider2.2M$235.0M0.0%+2.8%
AMERIPRISE FINANCIAL INC Bank broker1.6M$173.4M0.0%-23.5%
ALLIANCEBERNSTEIN L.P. Long only active1.4M$157.8M0.1%-15.0%
CITADEL ADVISORS LLC Multistrat pod1.4M$155.8M0.1%+5267.7%
Holocene Advisors, LP Other1.4M$149.0M0.4%+6.5%
GOLDMAN SACHS GROUP INC Bank broker1.4M$148.0M0.0%+1.8%
GEODE CAPITAL MANAGEMENT, LLC Index provider1.4M$146.1M0.0%+2.9%
MILLENNIUM MANAGEMENT LLC Multistrat pod1.2M$126.4M0.1%-27.1%
WILLIAM BLAIR INVESTMENT MANAGEMENT, LLC Other1.1M$115.6M0.4%-3.0%
Capital World Investors Long only active989.1K$106.5M0.0%+16.2%
Invesco Ltd. Index provider914.2K$98.4M0.0%+17.2%
BRAIDWELL LP ★2Fundamental diversified763.5K$82.2M3.1%-17.2%
CHARLES SCHWAB INVESTMENT MANAGEMENT INC Index provider714.4K$76.9M0.0%+0.1%
MORGAN STANLEY Bank broker678.8K$73.1M0.0%+1.2%
BANK OF AMERICA CORP /DE/ Bank broker657.4K$70.8M0.0%+22.0%
NOMURA ASSET MANAGEMENT INTERNATIONAL INC. Diversified mechanical612.1K$65.9M0.1%-9.0%
Artisan Partners Limited Partnership Other607.5K$65.4M0.1%-13.6%
NORTHERN TRUST CORP Index provider576.2K$62.0M0.0%-1.9%
Driehaus Capital Management LLC Other487.9K$52.5M0.4%New
JENNISON ASSOCIATES LLC Other487.0K$52.4M0.0%New
WESTFIELD CAPITAL MANAGEMENT CO LP Other482.2K$51.9M0.2%New
RIVERBRIDGE PARTNERS LLC Other433.2K$46.6M1.1%-19.0%
LOOMIS SAYLES & CO L P Other421.2K$45.4M0.1%-5.9%
Allspring Global Investments Holdings, LLC Diversified mechanical393.8K$44.4M0.1%+10.9%
Nuveen, LLC Diversified mechanical398.3K$42.9M0.0%-1.9%
VANGUARD FIDUCIARY TRUST CO Diversified mechanical396.7K$42.7M0.0%
UBS Group AG Bank broker386.4K$41.6M0.0%-55.8%
Capital International Investors Long only active373.3K$40.2M0.0%-27.0%
Bank of New York Mellon Corp Diversified mechanical343.2K$36.9M0.0%-3.6%
PRICE T ROWE ASSOCIATES INC /MD/ Diversified mechanical336.4K$36.2M0.0%+175.4%
Champlain Investment Partners, LLC Other319.0K$34.3M0.4%-4.3%
JPMORGAN CHASE & CO Bank broker323.8K$34.0M0.0%-41.8%
FMR LLC Long only active303.3K$32.6M0.0%+2907.7%
Clearbridge Investments, LLC Other286.1K$30.8M0.0%+155.4%
PRINCIPAL FINANCIAL GROUP INC Diversified mechanical280.7K$30.2M0.0%+2.2%
D. E. Shaw & Co., Inc. Quant stat arb251.2K$27.0M0.0%-55.0%
BROWN CAPITAL MANAGEMENT LLC ★2Fundamental diversified230.0K$24.8M3.5%-29.6%
PFM Health Sciences, LP ★2Fundamental diversified215.7K$23.2M2.5%+6.9%
C WorldWide Group Holding A/S ★2Fundamental diversified207.2K$22.3M0.5%Held
Public Sector Pension Investment Board Pension sovereign205.5K$22.1M0.1%+3.4%
ROYAL BANK OF CANADA Bank broker204.2K$22.0M0.0%+6.4%
DIMENSIONAL FUND ADVISORS LP Quant stat arb199.1K$21.4M0.0%-3.1%
ExodusPoint Capital Management, LP Multistrat pod179.7K$19.3M0.2%New
Integral Health Asset Management, LLC ★2Fundamental diversified175.0K$18.8M1.0%-46.2%
SEI INVESTMENTS CO Diversified mechanical161.7K$17.4M0.0%-11.1%

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