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, Q1 2026
Institutional positions in GLAUKOS Corp as of Mar 31, 2026. 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
- 336
- +10 vs. Q4 2025
- Shares held
- 58.0M
- +7.48M (+14.8%) vs. Q4 2025
- Total value
- $6.25B
- +$549.2M (+9.6%) vs. Q4 2025
- New holders
- 50
- 110 more added
- Sold out
- 40
- 127 more reduced
6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2026
Shares, value and share of portfolio for each institution holding GLAUKOS Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Handelsbanken Fonder AB | 18,700 | $2.01M | 0.01% | 00.0% | Unchanged |
| State of New Jersey Common Pension Fund D | 20,714 | $2.23M | 0.01% | −2,822−12.0% | Reduced |
| Exome Asset Management LLC | 20,874 | $2.25M | 1.32% | −10,597−33.7% | Reduced |
| Verition Fund Management LLC | 21,120 | $2.27M | 0.02% | +21,120 | New |
| Lazard Asset Management LLC | 21,581 | $2.32M | 0.00% | +1,062+5.2% | Added |
| Natixis Advisors, L.P. | 21,583 | $2.32M | 0.00% | −1,165−5.1% | Reduced |
| Russell Investments Group, Ltd. | 22,781 | $2.45M | 0.00% | −4,846−17.5% | Reduced |
| Vanguard Global Advisers, LLC | 23,082 | $2.49M | 0.00% | +23,082 | New |
| State of Tennessee, Treasury Department | 23,344 | $2.51M | 0.01% | 00.0% | Unchanged |
| Taylor Frigon Capital Management LLC | 23,445 | $2.52M | 1.44% | −4,980−17.5% | Reduced |
| Zhang Financial LLC | 23,586 | $2.54M | 0.09% | +623+2.7% | Added |
| Intech Investment Management LLC | 23,862 | $2.57M | 0.03% | −19,753−45.3% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 24,648 | $2.65M | 0.01% | +4,954+25.2% | Added |
| Louisiana State Employees Retirement System | 25,500 | $2.75M | 0.05% | −800−3.0% | Reduced |
| Amundi | 26,213 | $2.82M | 0.00% | +5,358+25.7% | Added |
| Harbor Capital Advisors, Inc. | 26,384 | $2.84M | 0.23% | +26,384 | New |
| Manufacturers Life Insurance Company, The | 26,607 | $2.86M | 0.00% | −166−0.6% | Reduced |
| State of Alaska, Department of Revenue | 28,347 | $3.05M | 0.03% | −966−3.3% | Reduced |
| Landscape Capital Management, L.L.C. | 28,631 | $3.08M | 0.20% | +5,614+24.4% | Added |
| Pier Capital, LLC | 29,261 | $3.15M | 0.52% | +29,261 | New |
| Wells Fargo & Company | 29,557 | $3.18M | 0.00% | −39,618−57.3% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 29,607 | $3.19M | 0.00% | +840+2.9% | Added |
| MetLife Investment Management | 30,510 | $3.28M | 0.02% | −375−1.2% | Reduced |
| Franklin Resources Inc | 30,818 | $3.32M | 0.00% | +2,298+8.1% | Added |
| Quantinno Capital Management LP | 30,836 | $3.32M | 0.01% | +27,938+964.0% | Added |
| Creative Planning | 32,533 | $3.50M | 0.00% | +727+2.3% | Added |
| Marshall Wace, LLP | 34,099 | $3.67M | 0.00% | +26,855+370.7% | Added |
| The PNC Financial Services Group, Inc. | 34,256 | $3.69M | 0.00% | +1,786+5.5% | Added |
| Illinois Municipal Retirement Fund | 34,395 | $3.70M | 0.05% | +4,025+13.3% | Added |
| Susquehanna International Group, LLP | 35,072 | $3.78M | 0.00% | +35,072 | New |
| Toronto Dominion Bank | 36,126 | $3.89M | 0.01% | +36,126 | New |
| BNP Paribas Arbitrage, SA | 36,196 | $3.90M | 0.00% | +16,849+87.1% | Added |
| Thrivent Financial for Lutherans | 38,337 | $4.13M | 0.01% | −1,128−2.9% | Reduced |
| State of Wisconsin Investment Board | 38,362 | $4.13M | 0.01% | −779−2.0% | Reduced |
| First Trust Advisors LP | 42,754 | $4.60M | 0.00% | +40,798+2,085.8% | Added |
| Canada Pension Plan Investment Board | 43,900 | $4.73M | 0.00% | −7,700−14.9% | Reduced |
| DnB Asset Management AS | 46,367 | $4.99M | 0.02% | −35,953−43.7% | Reduced |
| New York State Teachers Retirement System | 46,372 | $4.99M | 0.01% | −1,871−3.9% | Reduced |
| Engineers Gate Manager LP | 46,923 | $5.05M | 0.06% | +46,923 | New |
| Great West Life Assurance Co | 47,913 | $5.16M | 0.01% | −2,188−4.4% | Reduced |
| Envestnet Asset Management Inc | 50,237 | $5.41M | 0.00% | −1,596−3.1% | Reduced |
| Deutsche Bank AG | 52,096 | $5.61M | 0.00% | +5,365+11.5% | Added |
| EFG International AG | 52,263 | $5.63M | 0.12% | −3,077−5.6% | Reduced |
| Vanguard Asset Management, Ltd | 52,761 | $5.68M | 0.00% | +52,761 | New |
| Baird Financial Group, Inc. | 52,801 | $5.68M | 0.01% | −2,633−4.7% | Reduced |
| Algert Global LLC | 54,201 | $5.84M | 0.09% | −101,345−65.2% | Reduced |
| Allianz Asset Management GmbH | 54,853 | $5.91M | 0.01% | −1,143−2.0% | Reduced |
| CI Private Wealth, LLC | 56,940 | $6.13M | 0.01% | +25,962+83.8% | Added |
| Prudential Financial Inc | 58,557 | $6.30M | 0.01% | +5,000+9.3% | Added |
| Eversept Partners, LP | 60,214 | $6.48M | 0.43% | −87,257−59.2% | Reduced |
| Citigroup Inc | 61,503 | $6.62M | 0.00% | +16,880+37.8% | Added |
| Trexquant Investment LP | 62,381 | $6.72M | 0.05% | +62,381 | New |
| Two Sigma Investments, LP | 63,430 | $6.83M | 0.01% | −35,221−35.7% | Reduced |
| California State Teachers Retirement System | 66,434 | $7.15M | 0.01% | +11,871+21.8% | Added |
| Sit Investment Associates Inc | 68,505 | $7.38M | 0.15% | +1,535+2.3% | Added |
| California Public Employees Retirement System | 68,654 | $7.39M | 0.00% | −3,686−5.1% | Reduced |
| Victory Capital Management Inc | 75,985 | $8.18M | 0.01% | −4,117−5.1% | Reduced |
| New York State Common Retirement Fund | 76,257 | $8.21M | 0.01% | −3,353−4.2% | Reduced |
| Assetmark, Inc | 76,306 | $8.22M | 0.02% | +76,237+110,488.4% | Added |
| Adage Capital Partners GP, L.L.C. | 81,878 | $8.81M | 0.01% | −168,122−67.2% | Reduced |
| Rhenman & Partners Asset Management AB | 84,000 | $9.04M | 1.12% | −126,000−60.0% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 87,752 | $9.45M | 0.02% | +44,756+104.1% | Added |
| WCM Investment Management, LLC | 93,427 | $9.81M | 0.02% | −3,940−4.0% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 94,538 | $10.2M | 0.01% | +93,645+10,486.6% | Added |
| Osterweis Capital Management Inc | 94,863 | $10.2M | 0.53% | −6,750−6.6% | Reduced |
| Raymond James Financial Inc | 98,226 | $10.4M | 0.00% | −542−0.5% | Reduced |
| Point72 Asset Management, L.P. | 101,340 | $10.9M | 0.02% | −60,256−37.3% | Reduced |
| Squarepoint Ops LLC | 108,049 | $11.6M | 0.03% | +108,049 | New |
| Qube Research & Technologies Ltd | 108,863 | $11.7M | 0.02% | −79,872−42.3% | Reduced |
| Granite Investment Partners, LLC | 111,872 | $12.0M | 0.74% | −7,471−6.3% | Reduced |
| Swiss National Bank | 113,600 | $12.2M | 0.01% | +500+0.4% | Added |
| Fred Alger Management, LLC | 113,943 | $12.3M | 0.05% | −211,597−65.0% | Reduced |
| Renaissance Technologies LLC | 118,892 | $12.8M | 0.02% | +118,892 | New |
| Lord, Abbett & Co. LLC | 120,214 | $12.9M | 0.04% | +120,214 | New |
| Segall Bryant & Hamill, LLC | 124,951 | $13.5M | 0.19% | −6,453−4.9% | Reduced |
| Silvercrest Asset Management Group LLC | 128,294 | $13.8M | 0.10% | +24,015+23.0% | Added |
| AustralianSuper Pty Ltd | 131,535 | $14.2M | 0.07% | −318,311−70.8% | Reduced |
| UBS Asset Management Americas Inc | 143,774 | $15.5M | 0.00% | +582+0.4% | Added |
| Keybank National Association | 145,270 | $15.6M | 0.06% | +2,764+1.9% | Added |
| Bellevue Group AG | 145,703 | $15.7M | 0.37% | −116,232−44.4% | Reduced |
| Neuberger Berman Group LLC | 147,894 | $15.9M | 0.01% | +94,116+175.0% | Added |
| Wellington Management Group LLP | 149,150 | $16.1M | 0.00% | −337,674−69.4% | Reduced |
| Eventide Asset Management, LLC | 150,036 | $16.2M | 0.27% | −139,239−48.1% | Reduced |
| Gilder Gagnon Howe & Co LLC | 152,897 | $16.5M | 0.20% | −1,545−1.0% | Reduced |
| Rhumbline Advisers | 154,176 | $16.6M | 0.01% | +2,709+1.8% | Added |
| Legal & General Group Plc | 160,542 | $17.3M | 0.00% | −19,156−10.7% | Reduced |
| SEI Investments Co | 161,680 | $17.4M | 0.02% | −20,173−11.1% | Reduced |
| Integral Health Asset Management, LLC | 175,000 | $18.8M | 1.00% | −150,000−46.2% | Reduced |
| ExodusPoint Capital Management, LP | 179,728 | $19.3M | 0.19% | +179,728 | New |
| Dimensional Fund Advisors LP | 199,084 | $21.4M | 0.00% | −6,377−3.1% | Reduced |
| Royal Bank of Canada | 204,153 | $22.0M | 0.00% | +12,253+6.4% | Added |
| Public Sector Pension Investment Board | 205,484 | $22.1M | 0.07% | +6,667+3.4% | Added |
| C WorldWide Group Holding A/S | 207,212 | $22.3M | 0.48% | 00.0% | Unchanged |
| PFM Health Sciences, LP | 215,685 | $23.2M | 2.44% | +14,009+6.9% | Added |
| Brown Capital Management LLC | 230,028 | $24.8M | 3.52% | −96,551−29.6% | Reduced |
| D. E. Shaw & Co., Inc. | 251,176 | $27.0M | 0.02% | −307,114−55.0% | Reduced |
| Principal Financial Group Inc | 280,737 | $30.2M | 0.02% | +6,172+2.2% | Added |
| Clearbridge Investments, LLC | 286,051 | $30.8M | 0.03% | +174,029+155.4% | Added |
| FMR LLC | 303,266 | $32.6M | 0.00% | +293,183+2,907.7% | Added |
| JPMorgan Chase & Co | 323,819 | $34.0M | 0.00% | −232,660−41.8% | Reduced |