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, Q4 2025
Institutional positions in GLAUKOS Corp as of Dec 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
- 332
- +24 vs. Q3 2025
- Shares held
- 57.1M
- +1.36M (+2.4%) vs. Q3 2025
- Total value
- $6.44B
- +$1.90B (+41.8%) vs. Q3 2025
- New holders
- 76
- 121 more added
- Sold out
- 52
- 102 more reduced
7 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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.
| 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, Q4 2025
Shares, value and share of portfolio for each institution holding GLAUKOS Corp; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Bank of New York Mellon Corp | 355,840 | $40.2M | 0.01% | −25,554−6.7% | Reduced |
| Nuveen, LLC | 406,046 | $45.8M | 0.01% | +244,017+150.6% | Added |
| Loomis Sayles & Co L P | 447,805 | $50.6M | 0.06% | +376+0.1% | Added |
| AustralianSuper Pty Ltd | 449,846 | $50.8M | 0.24% | 00.0% | Unchanged |
| Wellington Management Group LLP | 486,824 | $55.0M | 0.01% | −3,093,846−86.4% | Reduced |
| Capital International Investors | 511,510 | $57.8M | 0.01% | 00.0% | Unchanged |
| Riverbridge Partners LLC | 535,169 | $60.4M | 1.13% | −34,475−6.1% | Reduced |
| Norges Bank | 536,143 | $60.5M | 0.01% | +536,143 | New |
| Bank of America Corp | 538,678 | $60.8M | 0.00% | +63,748+13.4% | Added |
| JPMorgan Chase & Co | 556,479 | $62.8M | 0.00% | −113,604−17.0% | Reduced |
| D. E. Shaw & Co., Inc. | 558,290 | $63.0M | 0.05% | +279,855+100.5% | Added |
| Northern Trust Corp | 587,130 | $66.3M | 0.01% | −40,530−6.5% | Reduced |
| Morgan Stanley | 670,778 | $75.7M | 0.00% | +241,200+56.1% | Added |
| Nomura Asset Management International Inc. | 672,958 | $76.0M | 0.11% | +672,958 | New |
| Artisan Partners Limited Partnership | 702,818 | $79.4M | 0.12% | +409,153+139.3% | Added |
| Charles Schwab Investment Management Inc | 714,026 | $80.6M | 0.01% | +11,646+1.7% | Added |
| Invesco Ltd. | 780,267 | $88.1M | 0.01% | +172,825+28.5% | Added |
| Capital World Investors | 850,893 | $96.1M | 0.01% | 00.0% | Unchanged |
| UBS Group AG | 873,942 | $98.7M | 0.02% | +663,849+316.0% | Added |
| Braidwell LP | 921,979 | $104.1M | 3.33% | +141,815+18.2% | Added |
| William Blair Investment Management, LLC | 1,106,918 | $125.0M | 0.35% | +13,174+1.2% | Added |
| Holocene Advisors, LP | 1,299,294 | $146.7M | 0.31% | +752,242+137.5% | Added |
| Geode Capital Management, LLC | 1,317,648 | $148.8M | 0.01% | +1,561+0.1% | Added |
| Goldman Sachs Group Inc | 1,350,425 | $152.5M | 0.02% | +913,458+209.0% | Added |
| Millennium Management LLC | 1,609,699 | $181.8M | 0.13% | +696,289+76.2% | Added |
| Alliancebernstein L.P. | 1,643,448 | $185.6M | 0.06% | −90,026−5.2% | Reduced |
| Ameriprise Financial Inc | 2,104,294 | $237.6M | 0.05% | +204,010+10.7% | Added |
| State Street Corp | 2,122,402 | $239.6M | 0.01% | +18,040+0.9% | Added |
| Janus Henderson Group PLC | 3,018,787 | $340.9M | 0.15% | +1,953,578+183.4% | Added |
| Primecap Management Co | 3,376,928 | $381.3M | 0.29% | +1,123,140+49.8% | Added |
| Vanguard Group Inc | 6,020,492 | $679.8M | 0.01% | −26,028−0.4% | Reduced |
| BlackRock, Inc. | 9,164,538 | $1.03B | 0.02% | +508,743+5.9% | Added |
| Westfield Capital Management Co LP | 0 | $0 | 0.00% | −1,231,641−100.0% | Sold out |
| Macquarie Group Ltd | 0 | $0 | 0.00% | −600,228−100.0% | Sold out |
| Iron Triangle Partners LP | 0 | $0 | 0.00% | −342,804−100.0% | Sold out |
| Jane Street Group, LLC | 0 | $0 | 0.00% | −307,183−100.0% | Sold out |
| Freestone Grove Partners LP | 0 | $0 | 0.00% | −263,889−100.0% | Sold out |
| Atika Capital Management LLC | 0 | $0 | 0.00% | −212,400−100.0% | Sold out |
| Squarepoint Ops LLC | 0 | $0 | 0.00% | −210,814−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −138,587−100.0% | Sold out |
| Renaissance Technologies LLC | 0 | $0 | 0.00% | −57,892−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −57,218−100.0% | Sold out |
| Ra Capital Management, L.P. | 0 | $0 | 0.00% | −54,180−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −48,759−100.0% | Sold out |
| TD Asset Management Inc | 0 | $0 | 0.00% | −14,184−100.0% | Sold out |
| Campbell & CO Investment Adviser LLC | 0 | $0 | 0.00% | −13,588−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −12,308−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −11,944−100.0% | Sold out |
| Harbor Capital Advisors, Inc. | 0 | $0 | 0.00% | −11,621−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −11,498−100.0% | Sold out |
| Brevan Howard Capital Management LP | 0 | $0 | 0.00% | −8,526−100.0% | Sold out |
| Aquatic Capital Management LLC | 0 | $0 | 0.00% | −8,297−100.0% | Sold out |
| Magnetar Financial LLC | 0 | $0 | 0.00% | −8,209−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −7,102−100.0% | Sold out |
| Lombard Odier Asset Management (USA) Corp | 0 | $0 | 0.00% | −6,213−100.0% | Sold out |
| New York Life Investment Management LLC | 0 | $0 | 0.00% | −5,634−100.0% | Sold out |
| Aigen Investment Management, LP | 0 | $0 | 0.00% | −4,400−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −4,287−100.0% | Sold out |
| FORA Capital, LLC | 0 | $0 | 0.00% | −4,146−100.0% | Sold out |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 0 | $0 | 0.00% | −3,800−100.0% | Sold out |
| Headlands Technologies LLC | 0 | $0 | 0.00% | −3,775−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −3,703−100.0% | Sold out |
| Henshaw Capital LLC | 0 | $0 | 0.00% | −3,404−100.0% | Sold out |
| Occudo Quantitative Strategies LP | 0 | $0 | 0.00% | −3,264−100.0% | Sold out |
| Walleye Trading LLC | 0 | $0 | 0.00% | −2,937−100.0% | Sold out |
| Mirae Asset Global Investments Co., Ltd. | 0 | $0 | 0.00% | −1,724−100.0% | Sold out |
| Peregrine Capital Management LLC | 0 | $0 | 0.00% | −1,641−100.0% | Sold out |
| Ci Investments Inc. | 0 | $0 | 0.00% | −508−100.0% | Sold out |
| Group One Trading, L.P. | 0 | $0 | 0.00% | −357−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −300−100.0% | Sold out |
| Wealthspire Advisors, LLC | 0 | $0 | 0.00% | −162−100.0% | Sold out |
| Quarry LP | 0 | $0 | 0.00% | −107−100.0% | Sold out |
| Advisory Services Network, LLC | 0 | $0 | 0.00% | −104−100.0% | Sold out |
| NBC Securities, Inc. | 0 | $0 | 0.00% | −98−100.0% | Sold out |
| Rise Advisors, LLC | 0 | $0 | 0.00% | −95−100.0% | Sold out |
| JPL Wealth Management, LLC | 0 | $0 | 0.00% | −65−100.0% | Sold out |
| Optiver Holding B.V. | 0 | $0 | 0.00% | −46−100.0% | Sold out |
| Atlantic Trust, LLC | 0 | $0 | 0.00% | −24−100.0% | Sold out |
| Private Trust Co NA | 0 | $0 | 0.00% | −22−100.0% | Sold out |
| Caldwell Sutter Capital, Inc. | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Prestige Wealth Management Group LLC | 0 | $0 | 0.00% | −14−100.0% | Sold out |
| Principal Securities, Inc. | 0 | $0 | 0.00% | −8−100.0% | Sold out |
| Tortoise Investment Management, LLC | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| Caitong International Asset Management Co., Ltd | 0 | $0 | 0.00% | −4−100.0% | Sold out |
| Cubist Systematic Strategies, LLC | – | – | – | – | Not filed |
| EFG Asset Management (North America) Corp. | – | – | – | – | Not filed |
| Point72 Hong Kong Ltd | – | – | – | – | Not filed |
| Wolverine Trading, LLC | – | – | – | – | Not filed |
| CIBC Bancorp USA Inc. | – | – | – | – | Not filed |
| Point72 Asia (Singapore) Pte. Ltd. | – | – | – | – | Not filed |
| Point72 (DIFC) Ltd | – | – | – | – | Not filed |