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, Q3 2023
Institutional positions in GLAUKOS Corp as of Sep 30, 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
- 233
- +14 vs. Q2 2023
- Shares held
- 49.8M
- +1.32M (+2.7%) vs. Q2 2023
- Total value
- $3.75B
- +$296.0M (+8.6%) vs. Q2 2023
- New holders
- 30
- 84 more added
- Sold out
- 16
- 81 more reduced
1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding GLAUKOS Corp; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Oregon Public Employees Retirement Fund | 14,430 | $1.09M | 0.02% | −600−4.0% | Reduced |
| Russell Investments Group, Ltd. | 15,176 | $1.14M | 0.00% | +15,139+40,916.2% | Added |
| Tudor Investment Corp Et Al | 15,224 | $1.15M | 0.02% | −62,782−80.5% | Reduced |
| LPL Financial LLC | 15,682 | $1.18M | 0.00% | −979−5.9% | Reduced |
| Susquehanna International Group, LLP | 15,926 | $1.20M | 0.00% | +2,141+15.5% | Added |
| Interwest Venture Management Co | 16,347 | $1.23M | 5.96% | 00.0% | Unchanged |
| ClariVest Asset Management LLC | 16,535 | $1.24M | 0.07% | 00.0% | Unchanged |
| Federated Hermes, Inc. | 16,572 | $1.25M | 0.00% | +16,572 | New |
| Ensign Peak Advisors, Inc | 17,240 | $1.30M | 0.00% | 00.0% | Unchanged |
| Maryland State Retirement & Pension System | 17,919 | $1.35M | 0.03% | −863−4.6% | Reduced |
| ExodusPoint Capital Management, LP | 18,157 | $1.37M | 0.02% | −8,148−31.0% | Reduced |
| Victory Capital Management Inc | 18,337 | $1.38M | 0.00% | +10,089+122.3% | Added |
| Citigroup Inc | 19,010 | $1.43M | 0.00% | −158,060−89.3% | Reduced |
| Lido Advisors, LLC | 20,100 | $1.51M | 0.02% | 00.0% | Unchanged |
| Bridgewater Associates, LP | 20,102 | $1.51M | 0.01% | −40,503−66.8% | Reduced |
| Harbor Capital Advisors, Inc. | 20,384 | $1.53M | 0.33% | +4,581+29.0% | Added |
| UBS Oconnor LLC | 20,471 | $1.54M | 0.03% | −20,000−49.4% | Reduced |
| Trexquant Investment LP | 21,331 | $1.61M | 0.04% | +14,467+210.8% | Added |
| Amalgamated Bank | 21,594 | $1.63M | 0.01% | −141−0.6% | Reduced |
| State of Tennessee, Treasury Department | 21,878 | $1.65M | 0.01% | 00.0% | Unchanged |
| Simplex Trading, LLC | 22,193 | $1.67M | 0.06% | +4,412+24.8% | Added |
| Comerica Bank | 22,362 | $1.68M | 0.01% | +22,362 | New |
| Mirae Asset Global Investments Co., Ltd. | 23,932 | $1.80M | 0.00% | +1,222+5.4% | Added |
| Yousif Capital Management, LLC | 24,284 | $1.83M | 0.02% | −1,348−5.3% | Reduced |
| Oppenheimer Asset Management Inc. | 24,423 | $1.84M | 0.03% | −873−3.5% | Reduced |
| MetLife Investment Management | 24,583 | $1.85M | 0.01% | 00.0% | Unchanged |
| CI Private Wealth, LLC | 24,612 | $1.85M | 0.00% | +6,122+33.1% | Added |
| Louisiana State Employees Retirement System | 24,800 | $1.87M | 0.04% | −500−2.0% | Reduced |
| Manufacturers Life Insurance Company, The | 24,837 | $1.87M | 0.00% | +6,006+31.9% | Added |
| EAM Investors, LLC | 25,145 | $1.89M | 0.37% | +25,145 | New |
| American International Group, Inc. | 25,806 | $1.94M | 0.01% | +560+2.2% | Added |
| Deutsche Bank AG | 25,979 | $1.95M | 0.00% | +2,958+12.8% | Added |
| Price T Rowe Associates Inc | 26,188 | $1.97M | 0.00% | +49+0.2% | Added |
| Illinois Municipal Retirement Fund | 27,170 | $2.04M | 0.04% | +27,170 | New |
| Baird Financial Group, Inc. | 27,782 | $2.09M | 0.01% | +110.0% | Added |
| Teachers Retirement System of the State of Kentucky | 28,338 | $2.13M | 0.02% | 00.0% | Unchanged |
| EFG Asset Management (North America) Corp. | 28,648 | $2.15M | 0.51% | −2,736−8.7% | Reduced |
| BNP Paribas Arbitrage, SA | 29,631 | $2.23M | 0.00% | +16,872+132.2% | Added |
| State of Alaska, Department of Revenue | 30,290 | $2.28M | 0.03% | −1,435−4.5% | Reduced |
| LMR Partners LLP | 31,350 | $2.36M | 0.05% | +31,350 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 32,525 | $2.45M | 0.02% | −21,969−40.3% | Reduced |
| State of New Jersey Common Pension Fund D | 32,999 | $2.48M | 0.01% | −9,018−21.5% | Reduced |
| Natixis Advisors, L.P. | 33,979 | $2.56M | 0.01% | +1,298+4.0% | Added |
| Advisor Group Holdings, Inc. | 34,057 | $2.56M | 0.00% | +17,713+108.4% | Added |
| Caption Management, LLC | 37,991 | $2.86M | 0.37% | +37,991 | New |
| Texas Permanent School Fund | 41,317 | $3.11M | 0.03% | −1,130−2.7% | Reduced |
| Renaissance Technologies LLC | 43,492 | $3.27M | 0.01% | +3,700+9.3% | Added |
| Thrivent Financial for Lutherans | 44,505 | $3.35M | 0.01% | −1,613−3.5% | Reduced |
| Schroder Investment Management Group | 44,840 | $3.37M | 0.01% | +220.0% | Added |
| Neuberger Berman Group LLC | 45,749 | $3.44M | 0.00% | +332+0.7% | Added |
| Barclays PLC | 46,039 | $3.46M | 0.00% | +11,973+35.1% | Added |
| Truist Financial Corp | 46,518 | $3.50M | 0.01% | −265−0.6% | Reduced |
| New York State Teachers Retirement System | 48,343 | $3.64M | 0.01% | −700−1.4% | Reduced |
| EAM Global Investors LLC | 48,890 | $3.68M | 0.99% | +48,890 | New |
| California State Teachers Retirement System | 50,844 | $3.83M | 0.01% | −4,774−8.6% | Reduced |
| Granite Investment Partners, LLC | 51,551 | $3.88M | 0.16% | −94−0.2% | Reduced |
| Taylor Frigon Capital Management LLC | 51,567 | $3.88M | 2.16% | −1,253−2.4% | Reduced |
| Silvercrest Asset Management Group LLC | 52,391 | $3.94M | 0.03% | −61,786−54.1% | Reduced |
| D. E. Shaw & Co., Inc. | 53,101 | $4.00M | 0.01% | −68,324−56.3% | Reduced |
| Great West Life Assurance Co | 53,342 | $4.01M | 0.01% | +574+1.1% | Added |
| Allianz Asset Management GmbH | 54,943 | $4.13M | 0.01% | −9,997−15.4% | Reduced |
| Tri Locum Partners LP | 56,230 | $4.23M | 1.36% | +56,230 | New |
| Blair William & Co | 56,612 | $4.26M | 0.02% | +42,946+314.3% | Added |
| UBS Asset Management Americas Inc | 57,057 | $4.29M | 0.00% | +6,013+11.8% | Added |
| First Trust Advisors LP | 58,040 | $4.37M | 0.01% | +51,445+780.1% | Added |
| Prudential Financial Inc | 58,543 | $4.41M | 0.01% | −770−1.3% | Reduced |
| Alliancebernstein L.P. | 60,089 | $4.52M | 0.00% | −1,280−2.1% | Reduced |
| Public Sector Pension Investment Board | 60,131 | $4.52M | 0.03% | −25,441−29.7% | Reduced |
| Natixis | 62,469 | $4.70M | 0.04% | +62,469 | New |
| SG Americas Securities, LLC | 65,582 | $4.93M | 0.07% | +11,057+20.3% | Added |
| Sectoral Asset Management Inc | 69,000 | $5.19M | 1.01% | 00.0% | Unchanged |
| Gilder Gagnon Howe & Co LLC | 69,688 | $5.24M | 0.08% | −566−0.8% | Reduced |
| California Public Employees Retirement System | 69,697 | $5.24M | 0.00% | 00.0% | Unchanged |
| SEI Investments Co | 70,742 | $5.32M | 0.01% | +10,811+18.0% | Added |
| Castleark Management LLC | 72,320 | $5.44M | 0.28% | +72,320 | New |
| Rhenman & Partners Asset Management AB | 73,000 | $5.49M | 0.59% | −22,000−23.2% | Reduced |
| Credit Suisse AG | 75,725 | $5.70M | 0.01% | −2,207−2.8% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 75,781 | $5.70M | 0.03% | −34,157−31.1% | Reduced |
| Balyasny Asset Management LLC | 83,209 | $6.26M | 0.02% | −74,920−47.4% | Reduced |
| Lisanti Capital Growth, LLC | 84,605 | $6.37M | 1.01% | +84,605 | New |
| Boothbay Fund Management, LLC | 98,283 | $7.40M | 0.26% | +19,405+24.6% | Added |
| Swiss National Bank | 100,600 | $7.57M | 0.01% | +1,600+1.6% | Added |
| Envestnet Asset Management Inc | 101,602 | $7.65M | 0.00% | +22,652+28.7% | Added |
| JPMorgan Chase & Co | 104,171 | $7.84M | 0.00% | −1,128−1.1% | Reduced |
| Goldman Sachs Group Inc | 108,003 | $8.13M | 0.00% | −16,032−12.9% | Reduced |
| Macquarie Group Ltd | 114,212 | $8.59M | 0.01% | +40,532+55.0% | Added |
| Peregrine Capital Management LLC | 116,781 | $8.79M | 0.26% | −20,319−14.8% | Reduced |
| Voloridge Investment Management, LLC | 124,830 | $9.39M | 0.05% | +124,830 | New |
| Voya Investment Management LLC | 129,778 | $9.77M | 0.01% | −44,848−25.7% | Reduced |
| Legal & General Group Plc | 135,554 | $10.2M | 0.00% | +130.0% | Added |
| Rhumbline Advisers | 141,327 | $10.6M | 0.01% | +907+0.6% | Added |
| Keybank National Association | 142,288 | $10.7M | 0.05% | 00.0% | Unchanged |
| Money Concepts Capital Corp | 160,094 | $12.0M | 1.26% | +11,706+7.9% | Added |
| C WorldWide Group Holding A/S | 197,212 | $14.8M | 0.20% | 00.0% | Unchanged |
| Atika Capital Management LLC | 215,200 | $16.2M | 2.31% | +32,200+17.6% | Added |
| Nomura Holdings Inc | 224,888 | $16.9M | 0.18% | −9,228−3.9% | Reduced |
| Royal Bank of Canada | 235,227 | $17.7M | 0.01% | +5,409+2.4% | Added |
| Polar Asset Management Partners Inc. | 286,108 | $21.5M | 0.52% | +84,800+42.1% | Added |
| Pura Vida Investments, LLC | 316,661 | $23.8M | 11.71% | +23,812+8.1% | Added |
| Norges Bank | 344,441 | $25.9M | 0.01% | +35,792+11.6% | Added |