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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 11 sales; 367 institutions reported holding it in 13F filings for Q2 2026, worth $8.44B in total; no superinvestor holds it.

Q3 2021 vs. Q2 2021

How the institutions holding GLAUKOS Corp changed between Q2 2021 and Q3 2021.

All holders in Q3 2021All holders in Q2 2021

13F holders of GKOS: Q2 2021 compared with Q3 2021
MeasureQ2 2021Of which not filed for Q3 2021Q3 2021Change
Holders2191206−12
Shares48.4M3.10K44.2M−4.21M (−8.7%)
Value$4.10B$263.0K$2.13B−$1.97B (−48.1%)

1 institution that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (32)

Institutions that held GLAUKOS Corp at the end of Q3 2021 but not at the end of Q2 2021.

Institutions new to GKOS in Q3 2021
InstitutionSharesValue% of portfolio
Deerfield Management Company, L.P. (Series C)619,000$29.8M0.58%
Balyasny Asset Management LLC430,690$20.7M0.10%
Marshall Wace North America L.P.176,000$8.48M0.04%
Polar Asset Management Partners Inc.132,900$6.40M0.08%
Healthcare of Ontario Pension Plan Trust Fund98,800$4.76M0.01%
D. E. Shaw & Co., Inc.90,705$4.37M0.01%
Squarepoint Ops LLC66,961$3.23M0.02%
Duality Advisers, LP61,898$2.98M0.23%
Tudor Investment Corp Et Al45,032$2.17M0.04%
Holocene Advisors, LP41,259$1.99M0.01%
Parallax Volatility Advisers, L.P.27,336$1.32M0.01%
Quantbot Technologies LP23,523$1.13M0.08%
Arrowstreet Capital, Limited Partnership22,700$1.09M0.00%
Campbell & CO Investment Adviser LLC19,800$954.0K0.31%
Maryland State Retirement & Pension System18,321$899.0K0.03%
AQR Capital Management LLC16,692$804.0K0.00%
ExodusPoint Capital Management, LP15,199$732.0K0.01%
Canada Pension Plan Investment Board12,000$578.0K0.00%
Walleye Capital LLC11,567$557.0K0.02%
Cutler Group LP11,350$546.0K0.04%
Wolverine Trading, LLC10,570$516.0K0.01%
HSBC Holdings PLC9,224$448.0K0.00%
Trexquant Investment LP7,268$350.0K0.03%
Virtu Financial LLC5,965$287.0K0.03%
Centiva Capital, LP5,043$243.0K0.02%
Gabelli Funds LLC5,000$241.0K0.00%
DLD Asset Management, LP5,000$241.0K0.02%
6 Meridian4,484$216.0K0.02%
Walleye Trading LLC3,984$192.0K0.00%
Lazard Asset Management LLC669$32.0K0.00%
Berman Capital Advisors, LLC23$1.00K0.00%
Bell Investment Advisors, Inc10$00.00%

Sold out (44)

Institutions that held GLAUKOS Corp at the end of Q2 2021 and filed for Q3 2021 without it.

Institutions that sold out of GKOS in Q3 2021
InstitutionShares, Q2 2021Value, Q2 2021
Federated Hermes, Inc.450,200$38.2M
First Light Asset Management, LLC409,144$34.7M
Wasatch Advisors Inc277,694$23.6M
WCM Investment Management, LLC121,564$10.3M
Altium Capital Management LP40,400$3.43M
Castleark Management LLC36,900$3.13M
Madison Asset Management, LLC21,021$1.78M
Azzad Asset Management Inc17,374$1.47M
Jump Financial, LLC12,700$1.08M
Bank Julius Baer & Co. Ltd, Zurich12,413$1.05M
Dynamic Technology Lab Private Ltd5,620$477.0K
Caxton Associates LP5,172$439.0K
Spouting Rock Asset Management, LLC5,176$439.0K
Ergoteles LLC5,088$432.0K
XTX Topco Ltd4,929$418.0K
Eqis Capital Management, Inc.4,889$415.0K
Vontobel Holding Ltd.4,453$378.0K
Private Advisor Group, LLC4,194$356.0K
Paloma Partners Management Co4,100$348.0K
Crossmark Global Holdings, Inc.3,930$333.0K
Twinbeech Capital LP3,869$328.0K
Verition Fund Management LLC3,538$300.0K
Boothbay Fund Management, LLC3,495$296.0K
Baker Tilly Wealth Management, LLC3,422$290.0K
Schonfeld Strategic Advisors LLC3,307$281.0K
Bay Colony Advisory Group, Inc d/b/a Bay Colony Advisors3,316$281.0K
Occidental Asset Management, LLC3,250$276.0K
Old Mission Capital LLC3,055$259.0K
CIBC Asset Management Inc2,942$250.0K
LPL Financial LLC2,895$246.0K
Shelton Capital Management2,792$237.0K
Xponance, Inc.2,756$234.0K
Rafferty Asset Management, LLC2,708$230.0K
Commonwealth Equity Services, LLC2,618$222.0K
Capula Management Ltd2,612$222.0K
Russell Investments Group, Ltd.1,768$149.0K
Pinz Capital Management, LP1,300$110.0K
IFP Advisors, Inc174$15.0K
HighMark Wealth Management LLC178$15.0K
Harvest Fund Management Co., Ltd172$14.0K
Strategic Blueprint, LLC98$8.00K
Robbins Farley LLC100$8.00K
Private Capital Group, LLC33$3.00K
Signaturefd, LLC6$1.00K

Not filed for Q3 2021 yet (1)

Institutions that held GLAUKOS Corp at the end of Q2 2021 and haven't filed a 13F for Q3 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding GKOS in Q2 2021 that haven't filed for Q3 2021
InstitutionShares, Q2 2021Value, Q2 2021
Pictet Asset Management Ltd3,100$263.0K