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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.

13F holders, Q3 2025

Institutional positions in GLAUKOS Corp as of Sep 30, 2025. 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

Institutional holders
315
+21 vs. Q2 2025
Shares held
55.9M
−4.37M (−7.2%) vs. Q2 2025
Total value
$4.56B
−$1.67B (−26.7%) vs. Q2 2025
New holders
62
105 more added
Sold out
41
116 more reduced

4 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2025: 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 holdersQ3 2025: 315 institutions
Q1 2021: 217 institutionsQ2 2021: 219 institutionsQ3 2021: 206 institutionsQ4 2021: 208 institutionsQ1 2022: 211 institutionsQ2 2022: 199 institutionsQ3 2022: 222 institutionsQ4 2022: 215 institutionsQ1 2023: 203 institutionsQ2 2023: 220 institutionsQ3 2023: 233 institutionsQ4 2023: 246 institutionsQ1 2024: 254 institutionsQ2 2024: 282 institutionsQ3 2024: 315 institutionsQ4 2024: 322 institutionsQ1 2025: 317 institutionsQ2 2025: 298 institutionsQ3 2025: 315 institutionsQ4 2025: 332 institutionsQ1 2026: 336 institutionsQ2 2026: 367 institutions
Value heldQ3 2025: $4.56B
Q1 2021: $4.13BQ2 2021: $4.10BQ3 2021: $2.13BQ4 2021: $1.94BQ1 2022: $2.50BQ2 2022: $2.01BQ3 2022: $2.36BQ4 2022: $2.03BQ1 2023: $2.37BQ2 2023: $3.45BQ3 2023: $3.75BQ4 2023: $4.05BQ1 2024: $4.89BQ2 2024: $6.39BQ3 2024: $7.15BQ4 2024: $8.57BQ1 2025: $5.67BQ2 2025: $6.30BQ3 2025: $4.56BQ4 2025: $6.44BQ1 2026: $6.25BQ2 2026: $8.44B
Institutions holding GKOS and their total value by quarter
QuarterHoldersValue
Q2 2026367$8.44B
Q1 2026336$6.25B
Q4 2025332$6.44B
Q3 2025315$4.56B
Q2 2025298$6.30B
Q1 2025317$5.67B
Q4 2024322$8.57B
Q3 2024315$7.15B
Q2 2024282$6.39B
Q1 2024254$4.89B
Q4 2023246$4.05B
Q3 2023233$3.75B
Q2 2023220$3.45B
Q1 2023203$2.37B
Q4 2022215$2.03B
Q3 2022222$2.36B
Q2 2022199$2.01B
Q1 2022211$2.50B
Q4 2021208$1.94B
Q3 2021206$2.13B
Q2 2021219$4.10B
Q1 2021217$4.13B

Institutions, Q3 2025

Shares, value and share of portfolio for each institution holding GLAUKOS Corp; share changes are against Q2 2025.

Institutions holding GKOS in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Ancora Advisors, LLC17$1.39K0.00%00.0%Unchanged
Private Wealth Management Group, LLC16$1.30K0.00%00.0%Unchanged
Rakuten Securities, Inc.14$1.14K0.00%−21−60.0%Reduced
Prestige Wealth Management Group LLC14$1.14K0.00%00.0%Unchanged
MAI Capital Management13$1.06K0.00%−88−87.1%Reduced
Assetmark, Inc13$1.06K0.00%−3−18.8%Reduced
First Horizon Corp13$1.06K0.00%+13New
Principal Securities, Inc.8$6520.00%+8New
TD Private Client Wealth LLC8$6520.00%+8New
Tortoise Investment Management, LLC7$5710.00%+7New
Bogart Wealth, LLC6$4890.00%00.0%Unchanged
Rossby Financial, LCC4$3330.00%+4New
Caitong International Asset Management Co., Ltd4$3260.00%+4New
Abound Wealth Management3$2450.00%00.0%Unchanged
TD Waterhouse Canada Inc.1$830.00%+1New
Driehaus Capital Management LLC0$00.00%−500,472−100.0%Sold out
Polar Asset Management Partners Inc.0$00.00%−177,123−100.0%Sold out
Divisadero Street Capital Management, LP0$00.00%−101,791−100.0%Sold out
Summit Partners Public Asset Management, LLC0$00.00%−75,000−100.0%Sold out
Eversept Partners, LP0$00.00%−31,496−100.0%Sold out
Armistice Capital, LLC0$00.00%−31,438−100.0%Sold out
Lazard Asset Management LLC0$00.00%−25,792−100.0%Sold out
Virginia Retirement Systems Et Al0$00.00%−11,500−100.0%Sold out
Zweig-DiMenna Associates LLC0$00.00%−8,600−100.0%Sold out
Centiva Capital, LP0$00.00%−6,107−100.0%Sold out
Oxford Asset Management LLP0$00.00%−5,348−100.0%Sold out
Jacobs Levy Equity Management, Inc0$00.00%−5,291−100.0%Sold out
Yarbrough Capital, LLC0$00.00%−4,728−100.0%Sold out
Quadrature Capital Ltd0$00.00%−4,715−100.0%Sold out
First Trust Advisors LP0$00.00%−3,139−100.0%Sold out
O'Shaughnessy Asset Management, LLC0$00.00%−2,795−100.0%Sold out
Core Wealth Partners LLC0$00.00%−2,450−100.0%Sold out
Ethic Inc.0$00.00%−2,331−100.0%Sold out
Wealth Alliance0$00.00%−2,279−100.0%Sold out
Journey Strategic Wealth LLC0$00.00%−2,137−100.0%Sold out
OneAscent Financial Services LLC0$00.00%−2,105−100.0%Sold out
Apriem Advisors0$00.00%−2,100−100.0%Sold out
Inspire Advisors, LLC0$00.00%−2,016−100.0%Sold out
Shelton Capital Management0$00.00%−2,015−100.0%Sold out
Revisor Wealth Management LLC0$00.00%−1,914−100.0%Sold out
Guggenheim Capital LLC0$00.00%−1,957−100.0%Sold out
Sanctuary Advisors, LLC0$00.00%−1,942−100.0%Sold out
Skopos Labs, Inc.0$00.00%−172−100.0%Sold out
Twin Peaks Wealth Advisors, LLC0$00.00%−155−100.0%Sold out
MPWM Advisory Solutions, LLC0$00.00%−120−100.0%Sold out
Whipplewood Advisors, LLC0$00.00%−75−100.0%Sold out
Kestra Investment Management, LLC0$00.00%−39−100.0%Sold out
Geneos Wealth Management Inc.0$00.00%−36−100.0%Sold out
UMA Financial Services, Inc.0$00.00%−16−100.0%Sold out
Sierra Ocean, LLC0$00.00%−14−100.0%Sold out
Kilter Group LLC0$00.00%−11−100.0%Sold out
ORG Partners LLC0$00.00%−10−100.0%Sold out
J.Safra Asset Management Corp0$00.00%−9−100.0%Sold out
South State Corp.0$00.00%−6−100.0%Sold out
Bryn Mawr Trust Co0$00.00%−1−100.0%Sold out
CIBC Private Wealth Group, LLC0$00.00%−1−100.0%Sold out
Norges Bank––––Not filed
CIBC World Markets Corp––––Not filed
First Horizon Advisors, Inc.––––Not filed
Oliver Lagore Vanvalin Investment Group––––Not filed