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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 10 sales; 367 institutions reported holding it in 13F filings for Q2 2026, worth $8.46B in total; no superinvestor holds it.

13F holders, Q2 2026

Institutional positions in GLAUKOS Corp as of Jun 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

Institutional holders
367
+34 vs. Q1 2026
Shares held
60.7M
+8.05M (+15.3%) vs. Q1 2026
Total value
$8.44B
+$2.77B (+48.8%) vs. Q1 2026
New holders
72
147 more added
Sold out
38
104 more reduced

3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2026: 367 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 heldQ2 2026: $8.46B
Q1 2021: $4.13BQ2 2021: $4.10BQ3 2021: $2.13BQ4 2021: $1.97BQ1 2022: $2.50BQ2 2022: $2.05BQ3 2022: $2.45BQ4 2022: $2.07BQ1 2023: $2.39BQ2 2023: $3.51BQ3 2023: $3.80BQ4 2023: $4.15BQ1 2024: $5.15BQ2 2024: $6.58BQ3 2024: $7.20BQ4 2024: $8.57BQ1 2025: $5.73BQ2 2025: $6.32BQ3 2025: $4.62BQ4 2025: $6.45BQ1 2026: $6.25BQ2 2026: $8.46B
Institutions holding GKOS and their total value by quarter
QuarterHoldersValue
Q2 2026367$8.46B
Q1 2026336$6.25B
Q4 2025332$6.45B
Q3 2025315$4.62B
Q2 2025298$6.32B
Q1 2025317$5.73B
Q4 2024322$8.57B
Q3 2024315$7.20B
Q2 2024282$6.58B
Q1 2024254$5.15B
Q4 2023246$4.15B
Q3 2023233$3.80B
Q2 2023220$3.51B
Q1 2023203$2.39B
Q4 2022215$2.07B
Q3 2022222$2.45B
Q2 2022199$2.05B
Q1 2022211$2.50B
Q4 2021208$1.97B
Q3 2021206$2.13B
Q2 2021219$4.10B
Q1 2021217$4.13B

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding GLAUKOS Corp; share changes are against Q1 2026.

Institutions holding GKOS in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
MAI Capital Management0$00.00%−23−100.0%Sold out
Rachor Investment Advisory Services, LLC0$00.00%−20−100.0%Sold out
Root Financial Partners, LLC0$00.00%−14−100.0%Sold out
Central Trust Co0$00.00%−3−100.0%Sold out
Advisory Services Network, LLC0$00.00%−3−100.0%Sold out
Janus Henderson Group PLC––––Not filed
CWM, LLC––––Not filed
Sunbelt Securities, Inc.––––Not filed