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 $8.44B in total; no superinvestor holds it.
13F holders, Q4 2023
Institutional positions in GLAUKOS Corp as of Dec 31, 2023. 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
- 246
- +15 vs. Q3 2023
- Shares held
- 50.9M
- +1.15M (+2.3%) vs. Q3 2023
- Total value
- $4.05B
- +$302.7M (+8.1%) vs. Q3 2023
- New holders
- 47
- 84 more added
- Sold out
- 32
- 80 more reduced
2 institutions that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: 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 2023
Shares, value and share of portfolio for each institution holding GLAUKOS Corp; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Advisor Group Holdings, Inc. | 10,504 | $834.9K | 0.00% | −23,553−69.2% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 10,513 | $835.7K | 0.01% | −22,012−67.7% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 10,700 | $850.5K | 0.00% | +784+7.9% | Added |
| Raymond James & Associates | 10,849 | $862.4K | 0.00% | −2,049−15.9% | Reduced |
| Two Sigma Advisers, LP | 11,100 | $882.3K | 0.00% | +11,100 | New |
| Tudor Investment Corp Et Al | 11,400 | $906.2K | 0.01% | −3,824−25.1% | Reduced |
| Arizona State Retirement System | 12,920 | $1.03M | 0.01% | −120−0.9% | Reduced |
| State Board of Administration of Florida Retirement System | 13,381 | $1.06M | 0.00% | 00.0% | Unchanged |
| ClariVest Asset Management LLC | 14,035 | $1.12M | 0.06% | −2,500−15.1% | Reduced |
| Oregon Public Employees Retirement Fund | 14,266 | $1.13M | 0.02% | −164−1.1% | Reduced |
| HRT Financial LP | 14,367 | $1.14M | 0.01% | +14,367 | New |
| Federated Hermes, Inc. | 14,773 | $1.17M | 0.00% | −1,799−10.9% | Reduced |
| Teachers Retirement System of the State of Kentucky | 15,451 | $1.23M | 0.01% | −12,887−45.5% | Reduced |
| LPL Financial LLC | 15,704 | $1.25M | 0.00% | +22+0.1% | Added |
| Susquehanna International Group, LLP | 16,013 | $1.27M | 0.00% | +87+0.5% | Added |
| Maryland State Retirement & Pension System | 17,707 | $1.41M | 0.03% | −212−1.2% | Reduced |
| Russell Investments Group, Ltd. | 17,891 | $1.42M | 0.00% | +2,715+17.9% | Added |
| Ensign Peak Advisors, Inc | 18,090 | $1.44M | 0.00% | +850+4.9% | Added |
| Wells Fargo & Company | 18,470 | $1.47M | 0.00% | +7,211+64.0% | Added |
| State of Tennessee, Treasury Department | 19,101 | $1.52M | 0.01% | −2,777−12.7% | Reduced |
| Victory Capital Management Inc | 19,763 | $1.57M | 0.00% | +1,426+7.8% | Added |
| Nebula Research & Development LLC | 20,002 | $1.59M | 0.48% | +20,002 | New |
| Lido Advisors, LLC | 20,100 | $1.60M | 0.02% | 00.0% | Unchanged |
| Amalgamated Bank | 20,780 | $1.65M | 0.01% | −814−3.8% | Reduced |
| Campbell & CO Investment Adviser LLC | 21,353 | $1.70M | 0.15% | +21,353 | New |
| FORA Capital, LLC | 21,496 | $1.71M | 0.15% | +18,741+680.3% | Added |
| Oppenheimer Asset Management Inc. | 22,011 | $1.75M | 0.02% | −2,412−9.9% | Reduced |
| Comerica Bank | 22,266 | $1.77M | 0.01% | −96−0.4% | Reduced |
| Louisiana State Employees Retirement System | 24,400 | $1.94M | 0.04% | −400−1.6% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 24,542 | $1.95M | 0.00% | +610+2.5% | Added |
| Yousif Capital Management, LLC | 24,749 | $1.97M | 0.02% | +465+1.9% | Added |
| MetLife Investment Management | 24,769 | $1.97M | 0.01% | +186+0.8% | Added |
| CI Private Wealth, LLC | 24,775 | $1.97M | 0.00% | +163+0.7% | Added |
| Deutsche Bank AG | 25,607 | $2.04M | 0.00% | −372−1.4% | Reduced |
| American International Group, Inc. | 25,873 | $2.06M | 0.01% | +67+0.3% | Added |
| Truist Financial Corp | 26,023 | $2.07M | 0.00% | −20,495−44.1% | Reduced |
| Two Sigma Securities, LLC | 26,795 | $2.13M | 0.10% | +26,795 | New |
| Harbor Capital Advisors, Inc. | 27,306 | $2.17M | 0.42% | +6,922+34.0% | Added |
| Nicholas Investment Partners, LP | 28,280 | $2.25M | 0.26% | +28,280 | New |
| EFG Asset Management (North America) Corp. | 28,364 | $2.25M | 0.43% | −284−1.0% | Reduced |
| Baird Financial Group, Inc. | 28,507 | $2.27M | 0.01% | +725+2.6% | Added |
| Trexquant Investment LP | 28,779 | $2.29M | 0.05% | +7,448+34.9% | Added |
| Citigroup Inc | 28,888 | $2.30M | 0.00% | +9,878+52.0% | Added |
| Illinois Municipal Retirement Fund | 29,336 | $2.33M | 0.04% | +2,166+8.0% | Added |
| Balyasny Asset Management LLC | 29,788 | $2.37M | 0.01% | −53,421−64.2% | Reduced |
| State of Alaska, Department of Revenue | 30,010 | $2.38M | 0.03% | −280−0.9% | Reduced |
| State of Wisconsin Investment Board | 30,283 | $2.41M | 0.01% | +25,152+490.2% | Added |
| Polar Asset Management Partners Inc. | 31,036 | $2.47M | 0.07% | −255,072−89.2% | Reduced |
| PEAK6 Investments LLC | 31,059 | $2.47M | 0.11% | +31,059 | New |
| Healthcare of Ontario Pension Plan Trust Fund | 32,000 | $2.54M | 0.01% | +32,000 | New |
| Caption Management, LLC | 32,068 | $2.55M | 0.28% | −5,923−15.6% | Reduced |
| Quantbot Technologies LP | 35,163 | $2.80M | 0.16% | +35,163 | New |
| UBS Group AG | 37,115 | $2.95M | 0.00% | +30,144+432.4% | Added |
| TD Asset Management Inc | 38,448 | $3.06M | 0.00% | +38,448 | New |
| Natixis Advisors, L.P. | 38,920 | $3.09M | 0.01% | +4,941+14.5% | Added |
| Manufacturers Life Insurance Company, The | 41,712 | $3.32M | 0.00% | +16,875+67.9% | Added |
| State of New Jersey Common Pension Fund D | 41,883 | $3.33M | 0.01% | +8,884+26.9% | Added |
| Texas Permanent School Fund | 42,087 | $3.35M | 0.03% | +770+1.9% | Added |
| Granite Investment Partners, LLC | 43,341 | $3.45M | 0.13% | −8,210−15.9% | Reduced |
| Thrivent Financial for Lutherans | 43,413 | $3.45M | 0.01% | −1,092−2.5% | Reduced |
| Bridgewater Associates, LP | 43,932 | $3.49M | 0.02% | +23,830+118.5% | Added |
| EAM Investors, LLC | 46,328 | $3.68M | 0.66% | +21,183+84.2% | Added |
| Blair William & Co | 47,127 | $3.75M | 0.01% | −9,485−16.8% | Reduced |
| Jump Financial, LLC | 47,589 | $3.78M | 0.12% | +39,829+513.3% | Added |
| New York State Teachers Retirement System | 48,343 | $3.84M | 0.01% | 00.0% | Unchanged |
| California State Teachers Retirement System | 48,980 | $3.89M | 0.01% | −1,864−3.7% | Reduced |
| Taylor Frigon Capital Management LLC | 49,314 | $3.92M | 1.97% | −2,253−4.4% | Reduced |
| First Trust Advisors LP | 51,219 | $4.07M | 0.00% | −6,821−11.8% | Reduced |
| Great West Life Assurance Co | 52,324 | $4.15M | 0.01% | −1,018−1.9% | Reduced |
| Prudential Financial Inc | 55,658 | $4.42M | 0.01% | −2,885−4.9% | Reduced |
| Allianz Asset Management GmbH | 56,043 | $4.45M | 0.01% | +1,100+2.0% | Added |
| Macquarie Group Ltd | 58,791 | $4.67M | 0.01% | −55,421−48.5% | Reduced |
| Neuberger Berman Group LLC | 59,218 | $4.71M | 0.00% | +13,469+29.4% | Added |
| UBS Asset Management Americas Inc | 59,702 | $4.75M | 0.00% | +2,645+4.6% | Added |
| Alliancebernstein L.P. | 59,999 | $4.77M | 0.00% | −90−0.1% | Reduced |
| Simplex Trading, LLC | 60,734 | $4.83M | 0.15% | +38,541+173.7% | Added |
| Castleark Management LLC | 67,560 | $5.37M | 0.24% | −4,760−6.6% | Reduced |
| SEI Investments Co | 70,423 | $5.60M | 0.01% | −319−0.5% | Reduced |
| Allspring Global Investments Holdings, LLC | 72,978 | $5.80M | 0.01% | +71,151+3,894.4% | Added |
| Marshall Wace, LLP | 73,128 | $5.81M | 0.01% | +73,128 | New |
| California Public Employees Retirement System | 76,804 | $6.11M | 0.00% | +7,107+10.2% | Added |
| Two Sigma Investments, LP | 79,501 | $6.32M | 0.02% | +79,501 | New |
| Envestnet Asset Management Inc | 79,606 | $6.33M | 0.00% | −21,996−21.6% | Reduced |
| Voya Investment Management LLC | 80,345 | $6.39M | 0.01% | −49,433−38.1% | Reduced |
| Credit Suisse AG | 85,367 | $6.79M | 0.01% | +9,642+12.7% | Added |
| Qube Research & Technologies Ltd | 86,533 | $6.88M | 0.02% | +86,533 | New |
| Gilder Gagnon Howe & Co LLC | 87,461 | $6.95M | 0.10% | +17,773+25.5% | Added |
| Segall Bryant & Hamill, LLC | 88,798 | $7.06M | 0.14% | +88,798 | New |
| Swiss National Bank | 91,000 | $7.23M | 0.01% | −9,600−9.5% | Reduced |
| BNP Paribas Arbitrage, SA | 93,034 | $7.40M | 0.01% | +63,403+214.0% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 97,799 | $7.77M | 0.04% | +22,018+29.1% | Added |
| Peregrine Capital Management LLC | 99,091 | $7.88M | 0.24% | −17,690−15.1% | Reduced |
| Public Sector Pension Investment Board | 101,102 | $8.04M | 0.06% | +40,971+68.1% | Added |
| Jane Street Group, LLC | 112,877 | $8.97M | 0.01% | +104,025+1,175.2% | Added |
| Citadel Advisors LLC | 118,961 | $9.46M | 0.01% | −246,679−67.5% | Reduced |
| Rhenman & Partners Asset Management AB | 120,000 | $9.54M | 0.95% | +47,000+64.4% | Added |
| JPMorgan Chase & Co | 123,812 | $9.84M | 0.00% | +19,641+18.9% | Added |
| Atika Capital Management LLC | 124,968 | $9.93M | 1.41% | −90,232−41.9% | Reduced |
| Goldman Sachs Group Inc | 126,642 | $10.1M | 0.00% | +18,639+17.3% | Added |
| Legal & General Group Plc | 134,365 | $10.7M | 0.00% | −1,189−0.9% | Reduced |