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 7 sales; 368 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
- 334
- +24 vs. Q3 2025
- Shares held
- 57.1M
- +676.9K (+1.2%) vs. Q3 2025
- Total value
- $6.44B
- +$1.84B (+40.1%) vs. Q3 2025
- New holders
- 76
- 121 more added
- Sold out
- 52
- 103 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 | 368 | $8.44B |
| Q1 2026 | 338 | $6.25B |
| Q4 2025 | 334 | $6.44B |
| Q3 2025 | 317 | $4.62B |
| Q2 2025 | 299 | $6.30B |
| Q1 2025 | 318 | $5.67B |
| Q4 2024 | 323 | $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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 9,164,538 | $1.03B | 0.02% | +508,743+5.9% | Added |
| Vanguard Group Inc | 6,020,492 | $679.8M | 0.01% | −26,028−0.4% | Reduced |
| Primecap Management Co | 3,376,928 | $381.3M | 0.29% | +1,123,140+49.8% | Added |
| Janus Henderson Group PLC | 3,018,787 | $340.9M | 0.15% | +1,953,578+183.4% | Added |
| State Street Corp | 2,122,402 | $239.6M | 0.01% | +18,040+0.9% | Added |
| Ameriprise Financial Inc | 2,104,294 | $237.6M | 0.05% | +204,010+10.7% | Added |
| Alliancebernstein L.P. | 1,643,448 | $185.6M | 0.06% | −90,026−5.2% | Reduced |
| Millennium Management LLC | 1,609,699 | $181.8M | 0.13% | +696,289+76.2% | Added |
| Goldman Sachs Group Inc | 1,350,425 | $152.5M | 0.02% | +913,458+209.0% | Added |
| Geode Capital Management, LLC | 1,317,648 | $148.8M | 0.01% | +1,561+0.1% | Added |
| Holocene Advisors, LP | 1,299,294 | $146.7M | 0.31% | +752,242+137.5% | Added |
| William Blair Investment Management, LLC | 1,106,918 | $125.0M | 0.35% | +13,174+1.2% | Added |
| Braidwell LP | 921,979 | $104.1M | 3.33% | +141,815+18.2% | Added |
| UBS Group AG | 873,942 | $98.7M | 0.02% | +663,849+316.0% | Added |
| Capital World Investors | 850,893 | $96.1M | 0.01% | 00.0% | Unchanged |
| Invesco Ltd. | 780,267 | $88.1M | 0.01% | +172,825+28.5% | Added |
| Charles Schwab Investment Management Inc | 714,026 | $80.6M | 0.01% | +11,646+1.7% | Added |
| Artisan Partners Limited Partnership | 702,818 | $79.4M | 0.12% | +409,153+139.3% | Added |
| Nomura Asset Management International Inc. | 672,958 | $76.0M | 0.11% | +672,958 | New |
| Morgan Stanley | 670,778 | $75.7M | 0.00% | +241,200+56.1% | Added |
| Northern Trust Corp | 587,130 | $66.3M | 0.01% | −40,530−6.5% | Reduced |
| D. E. Shaw & Co., Inc. | 558,290 | $63.0M | 0.05% | +279,855+100.5% | Added |
| JPMorgan Chase & Co | 556,479 | $62.8M | 0.00% | −113,604−17.0% | Reduced |
| Bank of America Corp | 538,678 | $60.8M | 0.00% | +63,748+13.4% | Added |
| Norges Bank | 536,143 | $60.5M | 0.01% | −149,705−21.8% | Reduced |
| Riverbridge Partners LLC | 535,169 | $60.4M | 1.13% | −34,475−6.1% | Reduced |
| Capital International Investors | 511,510 | $57.8M | 0.01% | 00.0% | Unchanged |
| Wellington Management Group LLP | 486,824 | $55.0M | 0.01% | −3,093,846−86.4% | Reduced |
| AustralianSuper Pty Ltd | 449,846 | $50.8M | 0.24% | 00.0% | Unchanged |
| Loomis Sayles & Co L P | 447,805 | $50.6M | 0.06% | +376+0.1% | Added |
| Nuveen, LLC | 406,046 | $45.8M | 0.01% | +244,017+150.6% | Added |
| Bank of New York Mellon Corp | 355,840 | $40.2M | 0.01% | −25,554−6.7% | Reduced |
| Allspring Global Investments Holdings, LLC | 355,279 | $39.3M | 0.06% | +87,781+32.8% | Added |
| Champlain Investment Partners, LLC | 333,264 | $37.6M | 0.38% | −25,155−7.0% | Reduced |
| Brown Capital Management LLC | 326,579 | $36.9M | 3.02% | −436,181−57.2% | Reduced |
| Fred Alger Management, LLC | 325,540 | $36.8M | 0.14% | +8,736+2.8% | Added |
| Integral Health Asset Management, LLC | 325,000 | $36.7M | 1.86% | +225,000+225.0% | Added |
| Eventide Asset Management, LLC | 289,275 | $32.7M | 0.51% | 00.0% | Unchanged |
| Sofinnova Investments, Inc. | 288,128 | $32.5M | 1.40% | −24,866−7.9% | Reduced |
| Principal Financial Group Inc | 274,565 | $31.0M | 0.02% | −2,637−1.0% | Reduced |
| Bellevue Group AG | 261,935 | $29.6M | 0.56% | +206,009+368.4% | Added |
| Adage Capital Partners GP, L.L.C. | 250,000 | $28.2M | 0.04% | +221,418+774.7% | Added |
| Rhenman & Partners Asset Management AB | 210,000 | $23.7M | 2.22% | −20,000−8.7% | Reduced |
| C WorldWide Group Holding A/S | 207,212 | $23.4M | 0.41% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 205,461 | $23.2M | 0.00% | −36,219−15.0% | Reduced |
| PFM Health Sciences, LP | 201,676 | $22.8M | 2.31% | +201,676 | New |
| Public Sector Pension Investment Board | 198,817 | $22.4M | 0.08% | −24,891−11.1% | Reduced |
| Royal Bank of Canada | 191,900 | $21.7M | 0.00% | −177,539−48.1% | Reduced |
| Voya Investment Management LLC | 189,832 | $21.4M | 0.02% | +61,622+48.1% | Added |
| Qube Research & Technologies Ltd | 188,735 | $21.3M | 0.03% | −178,793−48.6% | Reduced |
| Assenagon Asset Management S.A. | 182,393 | $20.6M | 0.03% | +24,848+15.8% | Added |
| SEI Investments Co | 181,853 | $20.5M | 0.02% | +33,745+22.8% | Added |
| Legal & General Group Plc | 179,698 | $20.3M | 0.00% | −9,578−5.1% | Reduced |
| Point72 Asset Management, L.P. | 161,596 | $18.2M | 0.03% | −529,127−76.6% | Reduced |
| Algert Global LLC | 155,546 | $17.6M | 0.27% | +121,105+351.6% | Added |
| Gilder Gagnon Howe & Co LLC | 154,442 | $17.4M | 0.18% | −180,090−53.8% | Reduced |
| Rhumbline Advisers | 151,467 | $17.1M | 0.01% | −6,230−4.0% | Reduced |
| Eversept Partners, LP | 147,471 | $16.7M | 0.93% | +147,471 | New |
| UBS Asset Management Americas Inc | 143,192 | $16.2M | 0.00% | −2,429−1.7% | Reduced |
| Keybank National Association | 142,506 | $16.1M | 0.06% | +590.0% | Added |
| Perceptive Advisors LLC | 140,000 | $15.8M | 0.29% | +140,000 | New |
| Segall Bryant & Hamill, LLC | 131,404 | $14.8M | 0.20% | +5,914+4.7% | Added |
| Price T Rowe Associates Inc | 122,169 | $13.8M | 0.00% | +5,263+4.5% | Added |
| Granite Investment Partners, LLC | 119,343 | $13.5M | 0.80% | −18,004−13.1% | Reduced |
| Swiss National Bank | 113,100 | $12.8M | 0.01% | +2,400+2.2% | Added |
| Clearbridge Investments, LLC | 112,022 | $12.6M | 0.01% | −359,530−76.2% | Reduced |
| Silvercrest Asset Management Group LLC | 104,279 | $11.8M | 0.08% | +2,832+2.8% | Added |
| Osterweis Capital Management Inc | 101,613 | $11.5M | 0.49% | −40,675−28.6% | Reduced |
| Raymond James Financial Inc | 98,768 | $11.2M | 0.00% | −9,047−8.4% | Reduced |
| Two Sigma Investments, LP | 98,651 | $11.1M | 0.02% | +31,712+47.4% | Added |
| WCM Investment Management, LLC | 97,367 | $11.1M | 0.02% | −5,520−5.4% | Reduced |
| Defilade Capital Management, L.P. | 91,703 | $10.4M | 1.40% | +91,703 | New |
| Barclays PLC | 91,127 | $10.3M | 0.00% | −250.0% | Reduced |
| Balyasny Asset Management LLC | 87,171 | $9.84M | 0.02% | +87,171 | New |
| DnB Asset Management AS | 82,320 | $9.29M | 0.03% | +8,770+11.9% | Added |
| Victory Capital Management Inc | 80,102 | $9.04M | 0.01% | −17,205−17.7% | Reduced |
| New York State Common Retirement Fund | 79,610 | $8.99M | 0.01% | +27,436+52.6% | Added |
| California Public Employees Retirement System | 72,340 | $8.17M | 0.00% | −130.0% | Reduced |
| Wells Fargo & Company | 69,175 | $7.81M | 0.00% | +28,367+69.5% | Added |
| Two Sigma Advisers, LP | 69,000 | $7.79M | 0.02% | +7,300+11.8% | Added |
| Sit Investment Associates Inc | 66,970 | $7.56M | 0.15% | −1,660−2.4% | Reduced |
| SG Americas Securities, LLC | 60,232 | $6.80M | 0.01% | +49,492+460.8% | Added |
| Capricorn Fund Managers Ltd | 60,000 | $6.77M | 1.63% | +60,000 | New |
| Allianz Asset Management GmbH | 55,996 | $6.32M | 0.01% | −2,658−4.5% | Reduced |
| Baird Financial Group, Inc. | 55,434 | $6.26M | 0.01% | −3,415−5.8% | Reduced |
| EFG International AG | 55,340 | $6.25M | 0.12% | +55,340 | New |
| California State Teachers Retirement System | 54,563 | $6.16M | 0.01% | +779+1.4% | Added |
| Neuberger Berman Group LLC | 53,778 | $6.07M | 0.00% | +2,977+5.9% | Added |
| Prudential Financial Inc | 53,557 | $6.05M | 0.01% | −4,090−7.1% | Reduced |
| Envestnet Asset Management Inc | 51,833 | $5.85M | 0.00% | −4,050−7.2% | Reduced |
| Canada Pension Plan Investment Board | 51,600 | $5.83M | 0.00% | +51,600 | New |
| Great West Life Assurance Co | 50,101 | $5.66M | 0.01% | −11,247−18.3% | Reduced |
| New York State Teachers Retirement System | 48,243 | $5.45M | 0.01% | 00.0% | Unchanged |
| Thornburg Investment Management Inc | 47,725 | $5.39M | 0.07% | −1,344−2.7% | Reduced |
| Deutsche Bank AG | 46,731 | $5.28M | 0.00% | +2,021+4.5% | Added |
| Citigroup Inc | 44,623 | $5.04M | 0.00% | +22,711+103.6% | Added |
| Intech Investment Management LLC | 43,615 | $4.92M | 0.04% | −6,480−12.9% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 42,996 | $4.85M | 0.01% | +11,821+37.9% | Added |
| Resolute Capital Asset Partners LLC | 40,500 | $4.57M | 2.21% | +40,500 | New |
| Thrivent Financial for Lutherans | 39,465 | $4.46M | 0.01% | −1,909−4.6% | Reduced |