GLAUKOS Corp

GKOS

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

SEC filings (opens in a new tab)

In the last 90 days, GLAUKOS Corp insiders filed 0 open-market purchases and 11 sales; 367 institutions reported holding it in 13F filings for Q2 2026, worth $8.44B in total; no superinvestor holds it.

13F holders, Q3 2026

Institutional positions in GLAUKOS Corp as of Sep 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Q3 2026 data is still coming in (13F filing deadline: Nov 16, 2026), so these numbers are incomplete.

Institutional holders: 2; −1 vs. Q2 2026
Shares held: 90; −1.99K (−95.7%) vs. Q2 2026
Total value: $14.8K; −$276.2K (−94.9%) vs. Q2 2026
New holders: 0; 1 more added
Sold out: 1; 0 more reduced

364 institutions that held it in Q2 2026 haven't filed for Q3 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting GKOS on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holders

Value held

Institutions holding GKOS and their total value by quarter
Quarter	Holders	Value
Q2 2026	367	$8.44B
Q1 2026	336	$6.25B
Q4 2025	332	$6.44B
Q3 2025	315	$4.56B
Q2 2025	298	$6.30B
Q1 2025	317	$5.67B
Q4 2024	322	$8.57B
Q3 2024	315	$7.15B
Q2 2024	282	$6.39B
Q1 2024	254	$4.89B
Q4 2023	246	$4.05B
Q3 2023	233	$3.75B
Q2 2023	220	$3.45B
Q1 2023	203	$2.37B
Q4 2022	215	$2.03B
Q3 2022	222	$2.36B
Q2 2022	199	$2.01B
Q1 2022	211	$2.50B
Q4 2021	208	$1.94B
Q3 2021	206	$2.13B
Q2 2021	219	$4.10B
Q1 2021	217	$4.13B

Institutions, Q3 2026

Shares, value and share of portfolio for each institution holding GLAUKOS Corp; share changes are against Q2 2026.

Institutions holding GKOS in Q3 2026
Institution	Shares	Value	% of portfolio	Change in shares	Action
New York State Common Retirement Fund	–	–	–	–	Not filed
D. E. Shaw & Co., Inc.	–	–	–	–	Not filed
CI Private Wealth, LLC	–	–	–	–	Not filed
Braun Stacey Associates Inc	–	–	–	–	Not filed
First Trust Advisors LP	–	–	–	–	Not filed
Envestnet Asset Management Inc	–	–	–	–	Not filed
Vanguard Asset Management, Ltd	–	–	–	–	Not filed
Baird Financial Group, Inc.	–	–	–	–	Not filed
EFG International AG	–	–	–	–	Not filed
New York State Teachers Retirement System	–	–	–	–	Not filed
Great West Life Assurance Co	–	–	–	–	Not filed
Allianz Asset Management GmbH	–	–	–	–	Not filed
Verition Fund Management LLC	–	–	–	–	Not filed
Osterweis Capital Management Inc	–	–	–	–	Not filed
Thrivent Financial for Lutherans	–	–	–	–	Not filed
Creative Planning	–	–	–	–	Not filed
State of Wisconsin Investment Board	–	–	–	–	Not filed
The PNC Financial Services Group, Inc.	–	–	–	–	Not filed
Federated Hermes, Inc.	–	–	–	–	Not filed
MetLife Investment Management	–	–	–	–	Not filed
Franklin Resources Inc	–	–	–	–	Not filed
DnB Asset Management AS	–	–	–	–	Not filed
Quantinno Capital Management LP	–	–	–	–	Not filed
Algert Global LLC	–	–	–	–	Not filed
Russell Investments Group, Ltd.	–	–	–	–	Not filed
Mirae Asset Global ETFs Holdings Ltd.	–	–	–	–	Not filed
Manufacturers Life Insurance Company, The	–	–	–	–	Not filed
Eversept Partners, LP	–	–	–	–	Not filed
Next Century Growth Investors LLC	–	–	–	–	Not filed
Walleye Capital LLC	–	–	–	–	Not filed
Zhang Financial LLC	–	–	–	–	Not filed
Fifth Third Bancorp	–	–	–	–	Not filed
Louisiana State Employees Retirement System	–	–	–	–	Not filed
Illinois Municipal Retirement Fund	–	–	–	–	Not filed
Teachers Retirement System of the State of Kentucky	–	–	–	–	Not filed
Vanguard Global Advisers, LLC	–	–	–	–	Not filed
Zurcher Kantonalbank (Zurich Cantonalbank)	–	–	–	–	Not filed
Susquehanna Fundamental Investments, LLC	–	–	–	–	Not filed
LPL Financial LLC	–	–	–	–	Not filed
Taylor Frigon Capital Management LLC	–	–	–	–	Not filed
Lazard Asset Management LLC	–	–	–	–	Not filed
Amundi	–	–	–	–	Not filed
State of Tennessee, Treasury Department	–	–	–	–	Not filed
Kennedy Capital Management, Inc.	–	–	–	–	Not filed
Exome Asset Management LLC	–	–	–	–	Not filed
Handelsbanken Fonder AB	–	–	–	–	Not filed
Oppenheimer Asset Management Inc.	–	–	–	–	Not filed
State of Alaska, Department of Revenue	–	–	–	–	Not filed
State of New Jersey Common Pension Fund D	–	–	–	–	Not filed
Stifel Financial Corp	–	–	–	–	Not filed
BNP Paribas Arbitrage, SA	–	–	–	–	Not filed
Police & Firemen's Retirement System of New Jersey	–	–	–	–	Not filed
Voya Investment Management LLC	–	–	–	–	Not filed
SG Americas Securities, LLC	–	–	–	–	Not filed
AQR Capital Management LLC	–	–	–	–	Not filed
Pathstone Holdings, LLC	–	–	–	–	Not filed
Yousif Capital Management, LLC	–	–	–	–	Not filed
Amalgamated Bank	–	–	–	–	Not filed
Harbor Capital Advisors, Inc.	–	–	–	–	Not filed
Blair William & Co	–	–	–	–	Not filed
Arizona State Retirement System	–	–	–	–	Not filed
Intech Investment Management LLC	–	–	–	–	Not filed
Vanguard Investments Australia, Ltd.	–	–	–	–	Not filed
Squarepoint Ops LLC	–	–	–	–	Not filed
Commonwealth of Pennsylvania Public School Empls Retrmt Sys	–	–	–	–	Not filed
Susquehanna International Group, LLP	–	–	–	–	Not filed
Oregon Public Employees Retirement Fund	–	–	–	–	Not filed
Barclays PLC	–	–	–	–	Not filed
State Board of Administration of Florida Retirement System	–	–	–	–	Not filed
KLP Kapitalforvaltning AS	–	–	–	–	Not filed
Mackenzie Financial Corp	–	–	–	–	Not filed
Los Angeles Capital Management LLC	–	–	–	–	Not filed
Fideuram - Intesa Sanpaolo Private Banking S.P.A.	–	–	–	–	Not filed
Oak Ridge Investments LLC	–	–	–	–	Not filed
B. Metzler seel. Sohn & Co. AG	–	–	–	–	Not filed
RE Advisers Corp	–	–	–	–	Not filed
Ehrlich Financial Group	–	–	–	–	Not filed
Valeo Financial Advisors, LLC	–	–	–	–	Not filed
Diversified Trust Co	–	–	–	–	Not filed
Maryland State Retirement & Pension System	–	–	–	–	Not filed
US Bancorp	–	–	–	–	Not filed
ProShare Advisors LLC	–	–	–	–	Not filed
STRS Ohio	–	–	–	–	Not filed
Pictet Asset Management Holding SA	–	–	–	–	Not filed
Jefferies Financial Group Inc.	–	–	–	–	Not filed
Exchange Traded Concepts, LLC	–	–	–	–	Not filed
Quadrant Capital Group LLC	–	–	–	–	Not filed
Mutual of America Capital Management LLC	–	–	–	–	Not filed
Vestmark Advisory Solutions, Inc.	–	–	–	–	Not filed
Commonwealth Equity Services, LLC	–	–	–	–	Not filed
Bank of Montreal	–	–	–	–	Not filed
Jones Financial Companies LLLP	–	–	–	–	Not filed
CWM Advisors, LLC	–	–	–	–	Not filed
Acadian Asset Management LLC	–	–	–	–	Not filed
Xponance, Inc.	–	–	–	–	Not filed
Public Employees Retirement Association of Colorado	–	–	–	–	Not filed
Virginia Retirement Systems Et Al	–	–	–	–	Not filed
JustInvest LLC	–	–	–	–	Not filed
Ameritas Investment Partners, Inc.	–	–	–	–	Not filed
American Century Companies Inc	–	–	–	–	Not filed