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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 7 sales; 368 institutions reported holding it in 13F filings for Q2 2026, worth $8.44B 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

Q3 2026 data is still coming in: 271 institutions have reported holding GKOS so far. See Q3 2026

Institutional holders
368
+33 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
146 more added
Sold out
39
105 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: 368 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: 323 institutionsQ1 2025: 318 institutionsQ2 2025: 299 institutionsQ3 2025: 317 institutionsQ4 2025: 334 institutionsQ1 2026: 338 institutionsQ2 2026: 368 institutions
Value heldQ2 2026: $8.44B
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: $4.62BQ4 2025: $6.44BQ1 2026: $6.25BQ2 2026: $8.44B
Institutions holding GKOS and their total value by quarter
QuarterHoldersValue
Q2 2026368$8.44B
Q1 2026338$6.25B
Q4 2025334$6.44B
Q3 2025317$4.62B
Q2 2025299$6.30B
Q1 2025318$5.67B
Q4 2024323$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, 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
Sound Income Strategies, LLC0$00.00%−101−100.0%Sold out
Meramec Financial Planners, LLC0$00.00%−68−100.0%Sold out
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