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 |
|---|---|---|---|---|---|
| Handelsbanken Fonder AB | 18,700 | $2.11M | 0.01% | +3,400+22.2% | Added |
| BNP Paribas Arbitrage, SA | 19,347 | $2.18M | 0.00% | +5,724+42.0% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 19,694 | $2.22M | 0.00% | +340+1.8% | Added |
| Susquehanna Portfolio Strategies, LLC | 19,997 | $2.26M | 0.03% | −65,207−76.5% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 20,140 | $2.27M | 0.05% | +8,661+75.5% | Added |
| Clough Capital Partners L P | 20,368 | $2.30M | 0.21% | +20,368 | New |
| Lazard Asset Management LLC | 20,519 | $2.32M | 0.00% | +20,519 | New |
| Amundi | 20,855 | $2.35M | 0.00% | −160,534−88.5% | Reduced |
| Oppenheimer Asset Management Inc. | 21,989 | $2.48M | 0.03% | −300−1.3% | Reduced |
| Natixis Advisors, L.P. | 22,748 | $2.57M | 0.00% | +3,927+20.9% | Added |
| Zhang Financial LLC | 22,963 | $2.59M | 0.10% | +1,246+5.7% | Added |
| Landscape Capital Management, L.L.C. | 23,017 | $2.60M | 0.17% | +12,799+125.3% | Added |
| State of New Jersey Common Pension Fund D | 23,536 | $2.66M | 0.01% | −153−0.6% | Reduced |
| Lisanti Capital Growth, LLC | 24,135 | $2.73M | 0.65% | +24,135 | New |
| State of Tennessee, Treasury Department | 23,344 | $2.79M | 0.01% | −2,014−7.9% | Reduced |
| Louisiana State Employees Retirement System | 26,300 | $2.97M | 0.05% | −100−0.4% | Reduced |
| Manufacturers Life Insurance Company, The | 26,773 | $3.02M | 0.00% | −1,208−4.3% | Reduced |
| Citadel Advisors LLC | 26,956 | $3.04M | 0.00% | −28,984−51.8% | Reduced |
| Russell Investments Group, Ltd. | 27,627 | $3.12M | 0.00% | +6,268+29.3% | Added |
| Taylor Frigon Capital Management LLC | 28,425 | $3.21M | 1.62% | −359−1.2% | Reduced |
| Franklin Resources Inc | 28,520 | $3.22M | 0.00% | +486+1.7% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 28,767 | $3.25M | 0.00% | −50.0% | Reduced |
| State of Alaska, Department of Revenue | 29,313 | $3.31M | 0.04% | +459+1.6% | Added |
| SummitTX Capital, L.P. | 29,534 | $3.33M | 0.10% | +13,476+83.9% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 30,070 | $3.40M | 0.01% | +3,977+15.2% | Added |
| Illinois Municipal Retirement Fund | 30,370 | $3.43M | 0.04% | −2,339−7.2% | Reduced |
| MetLife Investment Management | 30,885 | $3.49M | 0.02% | −1,849−5.6% | Reduced |
| CI Private Wealth, LLC | 30,978 | $3.50M | 0.00% | +28,160+999.3% | Added |
| Exome Asset Management LLC | 31,471 | $3.55M | 1.76% | +4,328+15.9% | Added |
| Creative Planning | 31,806 | $3.59M | 0.00% | +15,738+97.9% | Added |
| The PNC Financial Services Group, Inc. | 32,470 | $3.67M | 0.00% | −3,564−9.9% | Reduced |
| State of Wisconsin Investment Board | 39,141 | $4.42M | 0.01% | −1,021−2.5% | Reduced |
| Thrivent Financial for Lutherans | 39,465 | $4.46M | 0.01% | −1,909−4.6% | Reduced |
| Resolute Capital Asset Partners LLC | 40,500 | $4.57M | 2.21% | +40,500 | New |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 42,996 | $4.85M | 0.01% | +11,821+37.9% | Added |
| Intech Investment Management LLC | 43,615 | $4.92M | 0.04% | −6,480−12.9% | Reduced |
| Citigroup Inc | 44,623 | $5.04M | 0.00% | +22,711+103.6% | Added |
| Deutsche Bank AG | 46,731 | $5.28M | 0.00% | +2,021+4.5% | Added |
| Thornburg Investment Management Inc | 47,725 | $5.39M | 0.07% | −1,344−2.7% | Reduced |
| New York State Teachers Retirement System | 48,243 | $5.45M | 0.01% | 00.0% | Unchanged |
| Great West Life Assurance Co | 50,101 | $5.66M | 0.01% | −11,247−18.3% | Reduced |
| Canada Pension Plan Investment Board | 51,600 | $5.83M | 0.00% | +51,600 | New |
| Envestnet Asset Management Inc | 51,833 | $5.85M | 0.00% | −4,050−7.2% | Reduced |
| Prudential Financial Inc | 53,557 | $6.05M | 0.01% | −4,090−7.1% | Reduced |
| Neuberger Berman Group LLC | 53,778 | $6.07M | 0.00% | +2,977+5.9% | Added |
| California State Teachers Retirement System | 54,563 | $6.16M | 0.01% | +779+1.4% | Added |
| EFG International AG | 55,340 | $6.25M | 0.12% | +55,340 | New |
| Baird Financial Group, Inc. | 55,434 | $6.26M | 0.01% | −3,415−5.8% | Reduced |
| Allianz Asset Management GmbH | 55,996 | $6.32M | 0.01% | −2,658−4.5% | Reduced |
| Capricorn Fund Managers Ltd | 60,000 | $6.77M | 1.63% | +60,000 | New |
| SG Americas Securities, LLC | 60,232 | $6.80M | 0.01% | +49,492+460.8% | Added |
| Sit Investment Associates Inc | 66,970 | $7.56M | 0.15% | −1,660−2.4% | Reduced |
| Two Sigma Advisers, LP | 69,000 | $7.79M | 0.02% | +7,300+11.8% | Added |
| Wells Fargo & Company | 69,175 | $7.81M | 0.00% | +28,367+69.5% | Added |
| California Public Employees Retirement System | 72,340 | $8.17M | 0.00% | −130.0% | Reduced |
| New York State Common Retirement Fund | 79,610 | $8.99M | 0.01% | +27,436+52.6% | Added |
| Victory Capital Management Inc | 80,102 | $9.04M | 0.01% | −17,205−17.7% | Reduced |
| DnB Asset Management AS | 82,320 | $9.29M | 0.03% | +8,770+11.9% | Added |
| Balyasny Asset Management LLC | 87,171 | $9.84M | 0.02% | +87,171 | New |
| Barclays PLC | 91,127 | $10.3M | 0.00% | −250.0% | Reduced |
| Defilade Capital Management, L.P. | 91,703 | $10.4M | 1.40% | +91,703 | New |
| WCM Investment Management, LLC | 97,367 | $11.1M | 0.02% | −5,520−5.4% | Reduced |
| Two Sigma Investments, LP | 98,651 | $11.1M | 0.02% | +31,712+47.4% | Added |
| Raymond James Financial Inc | 98,768 | $11.2M | 0.00% | −9,047−8.4% | Reduced |
| Osterweis Capital Management Inc | 101,613 | $11.5M | 0.49% | −40,675−28.6% | Reduced |
| Silvercrest Asset Management Group LLC | 104,279 | $11.8M | 0.08% | +2,832+2.8% | Added |
| Clearbridge Investments, LLC | 112,022 | $12.6M | 0.01% | −359,530−76.2% | Reduced |
| Swiss National Bank | 113,100 | $12.8M | 0.01% | +2,400+2.2% | Added |
| Granite Investment Partners, LLC | 119,343 | $13.5M | 0.80% | −18,004−13.1% | Reduced |
| Price T Rowe Associates Inc | 122,169 | $13.8M | 0.00% | +5,263+4.5% | Added |
| Segall Bryant & Hamill, LLC | 131,404 | $14.8M | 0.20% | +5,914+4.7% | Added |
| Perceptive Advisors LLC | 140,000 | $15.8M | 0.29% | +140,000 | New |
| Keybank National Association | 142,506 | $16.1M | 0.06% | +590.0% | Added |
| UBS Asset Management Americas Inc | 143,192 | $16.2M | 0.00% | −2,429−1.7% | Reduced |
| Eversept Partners, LP | 147,471 | $16.7M | 0.93% | +147,471 | New |
| Rhumbline Advisers | 151,467 | $17.1M | 0.01% | −6,230−4.0% | Reduced |
| Gilder Gagnon Howe & Co LLC | 154,442 | $17.4M | 0.18% | −180,090−53.8% | Reduced |
| Algert Global LLC | 155,546 | $17.6M | 0.27% | +121,105+351.6% | Added |
| Point72 Asset Management, L.P. | 161,596 | $18.2M | 0.03% | −529,127−76.6% | Reduced |
| Legal & General Group Plc | 179,698 | $20.3M | 0.00% | −9,578−5.1% | Reduced |
| SEI Investments Co | 181,853 | $20.5M | 0.02% | +33,745+22.8% | Added |
| Assenagon Asset Management S.A. | 182,393 | $20.6M | 0.03% | +24,848+15.8% | Added |
| Qube Research & Technologies Ltd | 188,735 | $21.3M | 0.03% | −178,793−48.6% | Reduced |
| Voya Investment Management LLC | 189,832 | $21.4M | 0.02% | +61,622+48.1% | Added |
| Royal Bank of Canada | 191,900 | $21.7M | 0.00% | −177,539−48.1% | Reduced |
| Public Sector Pension Investment Board | 198,817 | $22.4M | 0.08% | −24,891−11.1% | Reduced |
| PFM Health Sciences, LP | 201,676 | $22.8M | 2.31% | +201,676 | New |
| Dimensional Fund Advisors LP | 205,461 | $23.2M | 0.00% | −36,219−15.0% | Reduced |
| C WorldWide Group Holding A/S | 207,212 | $23.4M | 0.41% | 00.0% | Unchanged |
| Rhenman & Partners Asset Management AB | 210,000 | $23.7M | 2.22% | −20,000−8.7% | Reduced |
| Adage Capital Partners GP, L.L.C. | 250,000 | $28.2M | 0.04% | +221,418+774.7% | Added |
| Bellevue Group AG | 261,935 | $29.6M | 0.56% | +206,009+368.4% | Added |
| Principal Financial Group Inc | 274,565 | $31.0M | 0.02% | −2,637−1.0% | Reduced |
| Sofinnova Investments, Inc. | 288,128 | $32.5M | 1.40% | −24,866−7.9% | Reduced |
| Eventide Asset Management, LLC | 289,275 | $32.7M | 0.51% | 00.0% | Unchanged |
| Integral Health Asset Management, LLC | 325,000 | $36.7M | 1.86% | +225,000+225.0% | Added |
| Fred Alger Management, LLC | 325,540 | $36.8M | 0.14% | +8,736+2.8% | Added |
| Brown Capital Management LLC | 326,579 | $36.9M | 3.02% | −436,181−57.2% | Reduced |
| Champlain Investment Partners, LLC | 333,264 | $37.6M | 0.38% | −25,155−7.0% | Reduced |
| Allspring Global Investments Holdings, LLC | 355,279 | $39.3M | 0.06% | +87,781+32.8% | Added |