GlaukosGKOS
13F holders, Q2 2026 (June 30)At the end of Q2 2026, 367 institutions reported holding Glaukos Corp. (GKOS) in their 13F filings, up 31 from Q1 2026. 66 opened new positions and 37 sold out. The largest holders were BlackRock, Inc. ($1.3B), Jupiter Topco LLC ($679.6M) and Vanguard Portfolio Management LLC ($464.3M). 8 famous investors held it, including Israel Englander (0.2% of Millennium Management's portfolio), Ken Griffin (0.1% of Citadel Advisors's portfolio) and Steve Cohen (0.0% of Point72 Asset Management's portfolio).
- Company
- Glaukos Corp.
- CUSIP
- 377322102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q1 2026 → Q2 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 66 | $432.8M |
| Exits | 37 | $134.2M |
All 13F filers, Q1 2026 → Q2 2026: 7,960,870 shares bought and 5,269,585 shares sold, net +2,691,285 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 367 holders
| BlackRock, Inc. | 0.02% | Add +5.0% | 9,540,056 | $1.3B |
| Jupiter Topco LLC | 0.28% | — | 4,862,894 | $679.6M |
| Vanguard Portfolio Management LLC | 0.02% | Add +3.5% | 3,321,839 | $464.3M |
| Primecap Management Co. | 0.25% | Reduce -9.8% | 3,040,705 | $425.0M |
| Vanguard Capital Management LLC | 0.01% | Add +1.7% | 2,551,132 | $356.5M |
| State Street Corp. | 0.01% | Add +6.1% | 2,315,568 | $323.7M |
| Millennium Management | 0.16% | Add +34.7% | 1,581,016 | $221.0M |
| Holocene Advisors, LP | 0.48% | Add +9.5% | 1,514,931 | $211.7M |
| Geode Capital Management, LLC | 0.01% | Add +7.9% | 1,463,448 | $204.6M |
| Citadel Advisors | 0.11% | Reduce -3.9% | 1,390,017 | $194.3M |
| Ameriprise Financial Inc. | 0.04% | Reduce -18.4% | 1,315,057 | $183.8M |
| Capital World Investors | 0.02% | Add +2.7% | 1,015,943 | $142.0M |
| Alliancebernstein L.P. | 0.04% | Reduce -10.2% | 1,254,703 | $135.1M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -34.8% | 897,021 | $125.4M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +5.3% | 752,642 | $105.2M |
| Invesco Ltd. | 0.01% | Reduce -22.7% | 706,877 | $98.8M |
| T. Rowe Price Associates Inc. | 0.01% | Add +102.0% | 679,632 | $95.0M |
| William Blair Investment Management, LLC | 0.28% | Reduce -38.4% | 661,675 | $92.5M |
| Driehaus Capital Management LLC | 0.53% | Add +33.3% | 650,571 | $90.9M |
| Nomura Asset Management International Inc. | 0.14% | Add +5.8% | 647,428 | $90.5M |
| Northern Trust Corp. | 0.01% | Add +6.3% | 612,496 | $85.6M |
| Braidwell LP | 3.18% | Reduce -22.5% | 591,927 | $82.7M |
| Morgan Stanley | 0.00% | Reduce -13.1% | 589,793 | $82.4M |
| Bank of America Corp. | 0.01% | Reduce -10.7% | 587,327 | $82.1M |
| UBS Group AG | 0.01% | Add +49.7% | 578,271 | $80.8M |
| Fuller & Thaler Asset Management, Inc. | 0.20% | New | 529,922 | $74.1M |
| Norges Bank | 0.01% | — | 498,502 | $69.7M |
| Balyasny Asset Management L.P. | 0.13% | New | 491,636 | $68.7M |
| Jennison Associates LLC | 0.04% | Add +0.9% | 491,498 | $68.7M |
| Westfield Capital Management Co. LP | 0.22% | Add +0.3% | 483,411 | $67.6M |
| Loomis Sayles & Co. L P | 0.08% | Add +11.4% | 469,388 | $65.6M |
| Summit Partners Public Asset Management, LLC | 1.62% | New | 446,550 | $62.4M |
| Clearbridge Investments, LLC | 0.05% | Add +50.7% | 431,066 | $60.2M |
| Wellington Management Group LLP | 0.01% | Add +187.1% | 428,215 | $59.8M |
| Lord, Abbett & Co. LLC | 0.18% | Add +249.8% | 420,466 | $58.8M |
| Vanguard Fiduciary Trust Co. | 0.01% | Add +5.2% | 417,418 | $58.3M |
| Vaughan Nelson Investment Management, L.P. | 0.51% | New | 416,231 | $58.2M |
| Allspring Global Investments Holdings, LLC | 0.09% | Add +6.1% | 417,999 | $57.5M |
| FMR LLC | 0.00% | Add +24.5% | 377,485 | $52.8M |
| Principal Financial Group Inc. | 0.02% | Add +27.8% | 358,758 | $50.1M |
| Bank of New York Mellon Corp | 0.01% | Add +4.1% | 357,148 | $49.9M |
| Nuveen, LLC | 0.01% | Reduce -19.0% | 322,624 | $45.1M |
| Marshall Wace, LLP | 0.04% | Add +823.2% | 314,804 | $44.0M |
| Artisan Partners Limited Partnership | 0.07% | Reduce -49.1% | 309,266 | $43.2M |
| Neuberger Berman Group LLC | 0.03% | Add +103.4% | 300,752 | $42.0M |
| Riverbridge Partners LLC | 1.10% | Reduce -34.9% | 282,089 | $39.4M |
| Anomaly Capital Management, LP | 1.47% | New | 275,995 | $38.6M |
| Champlain Investment Partners, LLC | 0.99% | Reduce -13.8% | 275,171 | $38.5M |
| Toronto Dominion Bank | 0.06% | Add +642.3% | 268,152 | $37.5M |
| Longaeva Partners L.P. | 0.95% | New | 236,192 | $33.0M |
| C WorldWide Group Holding A/S | 0.70% | No change | 207,212 | $29.0M |
| Public Sector Pension Investment Board | 0.07% | Reduce -1.8% | 201,743 | $28.2M |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 0.03% | Add +107.0% | 195,738 | $27.4M |
| JPMorgan Chase & Co. | 0.00% | Reduce -46.8% | 172,186 | $24.9M |
| Segall Bryant & Hamill, LLC | 0.28% | Add +34.8% | 168,445 | $23.5M |
| Brown Capital Management LLC | 4.69% | Reduce -27.0% | 167,920 | $23.5M |
| Legal & General Group Plc | 0.00% | Add +3.3% | 165,836 | $23.2M |
| Arrowstreet Capital, Limited Partnership | 0.01% | New | 154,929 | $21.7M |
| Gilder Gagnon Howe & Co. LLC | 0.22% | Reduce -0.3% | 152,448 | $21.3M |
| Eventide Asset Management, LLC | 0.28% | No change | 150,036 | $21.0M |
| Integral Health Asset Management, LLC | 0.86% | Reduce -14.3% | 150,000 | $21.0M |
| Renaissance Technologies | 0.03% | Add +23.8% | 147,192 | $20.6M |
| TimesSquare Capital Management, LLC | 0.30% | New | 145,202 | $20.3M |
| Keybank National Association | 0.07% | Reduce -0.1% | 145,077 | $20.3M |
| Rhumbline Advisers | 0.02% | Reduce -7.0% | 143,454 | $20.0M |
| Prudential Financial Inc. | 0.02% | Add +138.3% | 139,527 | $19.5M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -3.3% | 138,990 | $19.4M |
| Point72 Asset Management | 0.03% | Add +36.5% | 138,300 | $19.3M |
| Bellevue Group AG | 0.38% | Reduce -11.7% | 128,667 | $18.0M |
| Fred Alger Management, LLC | 0.06% | Add +10.5% | 125,911 | $17.6M |
| Royal Bank of Canada | 0.00% | Reduce -38.4% | 125,692 | $17.6M |
| Silvercrest Asset Management Group LLC | 0.11% | Reduce -5.0% | 121,880 | $17.0M |
| Sei Investments Co. | 0.01% | Reduce -25.0% | 121,325 | $17.0M |
| Rhenman & Partners Asset Management AB | 1.57% | Add +41.7% | 119,000 | $16.6M |
| Swiss National Bank | 0.01% | Reduce -2.5% | 110,800 | $15.5M |
| Assenagon Asset Management S.A. | 0.02% | Add +932.5% | 108,736 | $15.2M |
| Susquehanna Portfolio Strategies, LLC | 0.23% | Add +1798.3% | 102,507 | $14.3M |
| WCM Investment Management, LLC | 0.02% | Reduce -0.2% | 93,267 | $13.3M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.02% | Add +6.5% | 93,493 | $13.1M |
| Raymond James Financial Inc. | 0.00% | Reduce -5.2% | 93,114 | $13.0M |
| Natixis Advisors, LLC | 0.01% | Add +325.9% | 91,918 | $12.8M |
| Canada Pension Plan Investment Board | 0.01% | Add +99.3% | 87,500 | $12.2M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -56.1% | 87,301 | $12.2M |
| Cinctive Capital Management LP | 0.47% | New | 85,070 | $11.9M |
| Citigroup Inc. | 0.01% | Add +28.4% | 78,941 | $11.0M |
| Granite Investment Partners, LLC | 0.56% | Reduce -30.1% | 78,154 | $10.9M |
| Assetmark, Inc. | 0.02% | Reduce -3.5% | 73,622 | $10.3M |
| Sit Investment Associates Inc. | 0.19% | Add +5.5% | 72,305 | $10.1M |
| Bessemer Group Inc. | 0.01% | Add +1918.9% | 72,135 | $10.1M |
| California Public Employees Retirement System | 0.01% | Add +2.9% | 70,669 | $9.9M |
| Defilade Capital Management, L.P. | 1.24% | New | 66,519 | $9.3M |
| AustralianSuper Pty Ltd | 0.04% | Reduce -50.3% | 65,319 | $9.1M |
| Wells Fargo & Company | 0.00% | Add +120.7% | 65,221 | $9.1M |
| California State Teachers Retirement System | 0.01% | Reduce -2.8% | 64,570 | $9.0M |
| Two Sigma Investments, LP | 0.01% | No change | 63,430 | $8.9M |
| Victory Capital Management Inc. | 0.00% | Reduce -18.1% | 62,202 | $8.7M |
| Deutsche Bank AG | 0.00% | Add +18.9% | 61,957 | $8.7M |
| New York State Common Retirement Fund | 0.01% | Reduce -20.9% | 60,319 | $8.4M |
| D. E. Shaw & Co. | 0.01% | Reduce -77.2% | 57,184 | $8.0M |
| Corient Private Wealth LP | 0.01% | Add +0.2% | 57,046 | $8.0M |
"% of holder's portfolio" is GKOS's weight in each manager's 13F, not the share of Glaukos Corp. the manager owns.