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, Q1 2025
Institutional positions in GLAUKOS Corp as of Mar 31, 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
- 317
- −2 vs. Q4 2024
- Shares held
- 57.6M
- +738.8K (+1.3%) vs. Q4 2024
- Total value
- $5.67B
- −$2.85B (−33.5%) vs. Q4 2024
- New holders
- 54
- 116 more added
- Sold out
- 56
- 114 more reduced
3 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2024: 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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 367 | $8.44B |
| Q1 2026 | 336 | $6.25B |
| Q4 2025 | 332 | $6.44B |
| Q3 2025 | 315 | $4.56B |
| Q2 2025 | 298 | $6.30B |
| Q1 2025 | 317 | $5.67B |
| Q4 2024 | 322 | $8.57B |
| Q3 2024 | 315 | $7.15B |
| Q2 2024 | 282 | $6.39B |
| Q1 2024 | 254 | $4.89B |
| Q4 2023 | 246 | $4.05B |
| Q3 2023 | 233 | $3.75B |
| Q2 2023 | 220 | $3.45B |
| Q1 2023 | 203 | $2.37B |
| Q4 2022 | 215 | $2.03B |
| Q3 2022 | 222 | $2.36B |
| Q2 2022 | 199 | $2.01B |
| Q1 2022 | 211 | $2.50B |
| Q4 2021 | 208 | $1.94B |
| Q3 2021 | 206 | $2.13B |
| Q2 2021 | 219 | $4.10B |
| Q1 2021 | 217 | $4.13B |
Institutions, Q1 2025
Shares, value and share of portfolio for each institution holding GLAUKOS Corp; share changes are against Q4 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| William Blair Investment Management, LLC | 745,290 | $73.4M | 0.21% | −64,299−7.9% | Reduced |
| Holocene Advisors, LP | 746,768 | $73.5M | 0.22% | +437,299+141.3% | Added |
| Gilder Gagnon Howe & Co LLC | 836,529 | $82.3M | 1.07% | +11,253+1.4% | Added |
| Janus Henderson Group PLC | 900,367 | $91.8M | 0.05% | −192,050−17.6% | Reduced |
| Driehaus Capital Management LLC | 973,625 | $95.8M | 0.92% | +153,502+18.7% | Added |
| Westfield Capital Management Co LP | 1,084,184 | $106.7M | 0.52% | +277,033+34.3% | Added |
| Brown Capital Management LLC | 1,192,589 | $117.4M | 3.54% | −155,268−11.5% | Reduced |
| Geode Capital Management, LLC | 1,215,064 | $119.6M | 0.01% | +17,849+1.5% | Added |
| Primecap Management Co | 1,218,475 | $119.9M | 0.10% | +4,150+0.3% | Added |
| Alliancebernstein L.P. | 1,277,539 | $125.7M | 0.05% | +461,386+56.5% | Added |
| Invesco Ltd. | 1,452,116 | $142.9M | 0.03% | −6,519−0.4% | Reduced |
| Ameriprise Financial Inc | 1,943,955 | $191.3M | 0.05% | +13,129+0.7% | Added |
| State Street Corp | 1,984,393 | $195.3M | 0.01% | −79,006−3.8% | Reduced |
| Wellington Management Group LLP | 2,290,790 | $225.5M | 0.04% | +131,251+6.1% | Added |
| Vanguard Group Inc | 5,965,115 | $587.1M | 0.01% | −9,856−0.2% | Reduced |
| FMR LLC | 6,537,647 | $643.4M | 0.04% | +425,891+7.0% | Added |
| BlackRock, Inc. | 8,556,385 | $842.1M | 0.02% | −240,893−2.7% | Reduced |
| Proequities, Inc. | 0 | $0 | 0.00% | −76−100.0% | Sold out |
| 1832 Asset Management L.P. | 0 | $0 | 0.00% | −723,300−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −280,312−100.0% | Sold out |
| Iron Triangle Partners LP | 0 | $0 | 0.00% | −150,000−100.0% | Sold out |
| Armistice Capital, LLC | 0 | $0 | 0.00% | −58,919−100.0% | Sold out |
| Assenagon Asset Management S.A. | 0 | $0 | 0.00% | −56,984−100.0% | Sold out |
| Science & Technology Partners, L.P. | 0 | $0 | 0.00% | −51,750−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −49,600−100.0% | Sold out |
| EAM Investors, LLC | 0 | $0 | 0.00% | −42,300−100.0% | Sold out |
| Altium Capital Management LP | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −31,752−100.0% | Sold out |
| Lisanti Capital Growth, LLC | 0 | $0 | 0.00% | −29,790−100.0% | Sold out |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −23,398−100.0% | Sold out |
| Susquehanna Fundamental Investments, LLC | 0 | $0 | 0.00% | −12,689−100.0% | Sold out |
| Williamson Legacy Group, LLC | 0 | $0 | 0.00% | −5,789−100.0% | Sold out |
| Harvest Fund Management Co., Ltd | 0 | $0 | 0.00% | −4,838−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −3,671−100.0% | Sold out |
| CenterBook Partners LP | 0 | $0 | 0.00% | −2,438−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −2,420−100.0% | Sold out |
| RSM US Wealth Management LLC | 0 | $0 | 0.00% | −1,980−100.0% | Sold out |
| Pinnacle Wealth Planning Services, Inc. | 0 | $0 | 0.00% | −1,892−100.0% | Sold out |
| Sanctuary Advisors, LLC | 0 | $0 | 0.00% | −1,715−100.0% | Sold out |
| Divisadero Street Capital Management, LP | 0 | $0 | 0.00% | −1,791−100.0% | Sold out |
| Sequoia Financial Advisors, LLC | 0 | $0 | 0.00% | −1,773−100.0% | Sold out |
| Brighton Jones LLC | 0 | $0 | 0.00% | −1,764−100.0% | Sold out |
| Stephens Inc | 0 | $0 | 0.00% | −1,749−100.0% | Sold out |
| Guggenheim Capital LLC | 0 | $0 | 0.00% | −1,677−100.0% | Sold out |
| Farringdon Capital, Ltd. | 0 | $0 | 0.00% | −1,627−100.0% | Sold out |
| Wealth Alliance | 0 | $0 | 0.00% | −1,606−100.0% | Sold out |
| Fifth Third Wealth Advisors LLC | 0 | $0 | 0.00% | −1,588−100.0% | Sold out |
| Empowered Funds, LLC | 0 | $0 | 0.00% | −1,574−100.0% | Sold out |
| Sage Rhino Capital LLC | 0 | $0 | 0.00% | −1,574−100.0% | Sold out |
| CIBC Asset Management Inc | 0 | $0 | 0.00% | −1,514−100.0% | Sold out |
| Procyon Private Wealth Partners, LLC | 0 | $0 | 0.00% | −1,510−100.0% | Sold out |
| Cetera Investment Advisers | 0 | $0 | 0.00% | −1,504−100.0% | Sold out |
| Zhang Financial LLC | 0 | $0 | 0.00% | −1,474−100.0% | Sold out |
| Ewa, LLC | 0 | $0 | 0.00% | −1,469−100.0% | Sold out |
| Congress Asset Management Co | 0 | $0 | 0.00% | −1,463−100.0% | Sold out |
| HSBC Holdings PLC | 0 | $0 | 0.00% | −1,419−100.0% | Sold out |
| Forum Financial Management, LP | 0 | $0 | 0.00% | −1,406−100.0% | Sold out |
| Congress Wealth Management LLC | 0 | $0 | 0.00% | −1,389−100.0% | Sold out |
| Cerity Partners LLC | 0 | $0 | 0.00% | −1,532−100.0% | Sold out |
| CoreCap Advisors, LLC | 0 | $0 | 0.00% | −750−100.0% | Sold out |
| GPS Wealth Strategies Group, LLC | 0 | $0 | 0.00% | −181−100.0% | Sold out |
| Point72 Asia (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −145−100.0% | Sold out |
| Beacon Capital Management, LLC | 0 | $0 | 0.00% | −100−100.0% | Sold out |
| LGT Financial Advisors LLC | 0 | $0 | 0.00% | −76−100.0% | Sold out |
| Fuller & Thaler Asset Management, Inc. | 0 | $0 | 0.00% | −70−100.0% | Sold out |
| Meeder Asset Management Inc | 0 | $0 | 0.00% | −43−100.0% | Sold out |
| Van Hulzen Asset Management, LLC | 0 | $0 | 0.00% | −17−100.0% | Sold out |
| Center for Financial Planning, Inc. | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| CIBC Private Wealth Group, LLC | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| GeoWealth Management, LLC | 0 | $0 | 0.00% | −11−100.0% | Sold out |
| Continuum Advisory, LLC | 0 | $0 | 0.00% | −10−100.0% | Sold out |
| UMA Financial Services, Inc. | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| WealthTrak Capital Management LLC | 0 | $0 | 0.00% | −1−100.0% | Sold out |
| Nuveen Asset Management, LLC | – | – | – | – | Not filed |
| Hanseatic Management Services Inc | – | – | – | – | Not filed |
| Global Retirement Partners, LLC | – | – | – | – | Not filed |