Glaukos Corporation

Historical 13F Holders

Symbol
GKOS
CUSIP
377322102
All holders as of
Q2 2026
Type
Equity
Class
COM
Reported Value, Excluding Options
Total Filings

13D/G Filers

Investors who own more than 5% of a class must file a Schedule 13D or 13G. Each filer's latest filing for 377322102 since 12/18/2024, largest first.

Filer % of Class Filed
BlackRock, Inc. 13G/A 14.4% 4/29/2025
Event 3/31/2025
Janus Henderson Group PLC 13G/A 9.2% 5/15/2026
Event 3/31/2026
Primecap Management Co/CA/ 13G 5.9% 2/11/2026
Event 12/31/2025
Vanguard Portfolio Management LLC 13G 5.6% 4/29/2026
Event 3/31/2026
Vanguard Capital Management LLC 13G 5.1% 4/29/2026
Event 3/31/2026
Under 5%, checked the "5 percent or less" box, or amended by a later filing (4)
FMR LLC 13G/A
4.5% 8/7/2025
Event 7/31/2025
Burns Thomas William 13G/A 4.4% 2/12/2025
Event 12/31/2024
Wellington Management Group LLP 13G/A
0.8% 2/10/2026
Event 12/31/2025
Vanguard Group Inc 13G/A 0% 3/26/2026
Event 3/13/2026

13F Holders by Quarter

Period Filings Shares, Excl. Options Value, Excl. Options
2026 Q3 11 15.3 k $2.52 M
2026 Q2 384 69.8 M $8.52 B
2026 Q1 349 58.0 M $6.25 B
2025 Q4 347 57.1 M $6.45 B
2025 Q3 330 56.6 M $4.62 B
2025 Q2 317 61.2 M $6.32 B
2025 Q1 344 57.7 M $5.73 B
2024 Q4 345 57.1 M $8.56 B
2024 Q3 335 55.4 M $7.21 B
2024 Q2 299 56.2 M $6.65 B
2024 Q1 275 54.6 M $5.15 B
2023 Q4 275 52.3 M $4.16 B
2023 Q3 259 50.5 M $3.80 B
2023 Q2 233 49.2 M $3.51 B
2023 Q1 211 47.7 M $2.39 B
2022 Q4 225 49.2 M $2.15 B
2022 Q3 240 46.0 M $2.45 B
2022 Q2 215 45.0 M $2.05 B
2022 Q1 231 43.2 M $2.50 B
2021 Q4 230 44.3 M $1.97 B
2021 Q3 227 44.2 M $2.13 B
2021 Q2 230 48.4 M $4.10 B
2021 Q1 229 49.2 M $4.13 B
2020 Q4 224 48.6 M $3.66 B
2020 Q3 194 50.4 M $2.50 B
2020 Q2 189 47.3 M $1.82 B
2020 Q1 175 47.9 M $1.48 B
2019 Q4 170 44.7 M $2.43 B
2019 Q3 157 39.8 M $2.49 B
2019 Q2 198 35.8 M $2.70 B
2019 Q1 190 35.2 M $2.76 B
2018 Q4 160 37.4 M $2.10 B
2018 Q3 177 35.5 M $2.30 B
2018 Q2 147 37.0 M $1.50 B
2018 Q1 140 37.8 M $1.17 B
2017 Q4 145 35.0 M $897 M
2017 Q3 137 34.4 M $1.14 B
2017 Q2 163 34.6 M $1.44 B
2017 Q1 167 30.5 M $1.56 B
2016 Q4 141 29.8 M $1.02 B
2016 Q3 143 26.1 M $984 M
2016 Q2 112 23.7 M $692 M
2016 Q1 74 20.6 M $347 M
2015 Q4 64 19.6 M $485 M
2015 Q3 65 16.8 M $407 M
2015 Q2 51 12.3 M $357 M