GlaukosGKOS
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 332 institutions reported holding Glaukos Corp. (GKOS) in their 13F filings, up 17 from Q3 2025. 57 opened new positions and 52 sold out. The largest holders were BlackRock, Inc. ($1.0B), Vanguard Group Inc. ($679.8M) and Primecap Management Co. ($381.3M). 7 famous investors held it, including Israel Englander (0.1% of Millennium Management's portfolio), David E. Shaw (0.1% of D. E. Shaw & Co.'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 Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 57 | $101.5M |
| Exits | 52 | $300.4M |
All 13F filers, Q3 2025 → Q4 2025: 10,681,777 shares bought and 10,704,942 shares sold, net −23,165 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 332 holders
| BlackRock, Inc. | 0.02% | Add +5.9% | 9,164,538 | $1.0B |
| Vanguard Group Inc. | 0.01% | Reduce -0.4% | 6,020,492 | $679.8M |
| Primecap Management Co. | 0.29% | Add +49.8% | 3,376,928 | $381.3M |
| Janus Henderson Group PLC | 0.15% | Add +183.4% | 3,018,787 | $340.9M |
| State Street Corp. | 0.01% | Add +0.9% | 2,122,402 | $239.6M |
| Ameriprise Financial Inc. | 0.05% | Add +10.7% | 2,104,294 | $237.6M |
| Alliancebernstein L.P. | 0.06% | Reduce -5.2% | 1,643,448 | $185.6M |
| Millennium Management | 0.14% | Add +76.2% | 1,609,699 | $181.8M |
| Goldman Sachs Group Inc. | 0.02% | Add +209.1% | 1,350,425 | $152.5M |
| Geode Capital Management, LLC | 0.01% | Add +0.1% | 1,317,648 | $148.8M |
| Holocene Advisors, LP | 0.31% | Add +137.5% | 1,299,294 | $146.7M |
| William Blair Investment Management, LLC | 0.35% | Add +1.2% | 1,106,918 | $125.0M |
| Braidwell LP | 3.99% | Add +18.2% | 921,979 | $104.1M |
| UBS Group AG | 0.02% | Add +316.0% | 873,942 | $98.7M |
| Capital World Investors | 0.01% | No change | 850,893 | $96.1M |
| Invesco Ltd. | 0.01% | Add +28.4% | 780,267 | $88.1M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +1.7% | 714,026 | $80.6M |
| Artisan Partners Limited Partnership | 0.12% | Add +139.3% | 702,818 | $79.4M |
| Nomura Asset Management International Inc. | 0.11% | — | 672,958 | $76.0M |
| Morgan Stanley | 0.00% | Add +56.1% | 670,778 | $75.7M |
| Northern Trust Corp. | 0.01% | Reduce -6.5% | 587,130 | $66.3M |
| D. E. Shaw & Co. | 0.05% | Add +100.5% | 558,290 | $63.0M |
| JPMorgan Chase & Co. | 0.00% | Reduce -16.9% | 556,479 | $62.8M |
| Bank of America Corp. | 0.00% | Add +13.4% | 538,678 | $60.8M |
| Norges Bank | 0.01% | — | 536,143 | $60.5M |
| Riverbridge Partners LLC | 1.13% | Reduce -6.0% | 535,169 | $60.4M |
| Capital International Investors | 0.01% | No change | 511,510 | $57.8M |
| Wellington Management Group LLP | 0.01% | Reduce -86.4% | 486,824 | $55.0M |
| AustralianSuper Pty Ltd | 0.24% | No change | 449,846 | $50.8M |
| Loomis Sayles & Co. L P | 0.06% | Add +0.1% | 447,805 | $50.6M |
| Nuveen, LLC | 0.01% | Add +150.6% | 406,046 | $45.8M |
| Bank of New York Mellon Corp | 0.01% | Reduce -6.7% | 355,840 | $40.2M |
| Allspring Global Investments Holdings, LLC | 0.06% | Add +32.8% | 355,279 | $39.3M |
| Champlain Investment Partners, LLC | 0.38% | Reduce -7.0% | 333,264 | $37.6M |
| Brown Capital Management LLC | 3.02% | Reduce -57.2% | 326,579 | $36.9M |
| Fred Alger Management, LLC | 0.14% | Add +2.8% | 325,540 | $36.8M |
| Integral Health Asset Management, LLC | 1.86% | Add +225.0% | 325,000 | $36.7M |
| Eventide Asset Management, LLC | 0.51% | No change | 289,275 | $32.7M |
| Sofinnova Investments, Inc. | 1.40% | Reduce -7.9% | 288,128 | $32.5M |
| Principal Financial Group Inc. | 0.02% | Reduce -0.9% | 274,565 | $31.0M |
| Bellevue Group AG | 0.56% | Add +368.4% | 261,935 | $29.6M |
| Adage Capital Partners Gp, L.L.C. | 0.04% | Add +774.7% | 250,000 | $28.2M |
| Rhenman & Partners Asset Management AB | 2.22% | Reduce -8.7% | 210,000 | $23.7M |
| C WorldWide Group Holding A/S | 0.41% | No change | 207,212 | $23.4M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -15.0% | 205,461 | $23.2M |
| PFM Health Sciences, LP | 2.34% | New | 201,676 | $22.8M |
| Public Sector Pension Investment Board | 0.08% | Reduce -11.1% | 198,817 | $22.4M |
| Royal Bank of Canada | 0.00% | Reduce -48.1% | 191,900 | $21.7M |
| Voya Investment Management LLC | 0.02% | Add +48.1% | 189,832 | $21.4M |
| Qube Research & Technologies Ltd | 0.03% | Reduce -48.6% | 188,735 | $21.3M |
| Assenagon Asset Management S.A. | 0.03% | Add +15.8% | 182,393 | $20.6M |
| Sei Investments Co. | 0.02% | Add +22.8% | 181,853 | $20.5M |
| Legal & General Group Plc | 0.00% | Reduce -5.1% | 179,698 | $20.3M |
| Point72 Asset Management | 0.03% | Reduce -76.6% | 161,596 | $18.2M |
| Algert Global LLC | 0.27% | Add +351.6% | 155,546 | $17.6M |
| Gilder Gagnon Howe & Co. LLC | 0.18% | Reduce -53.8% | 154,442 | $17.4M |
| Rhumbline Advisers | 0.01% | Reduce -4.0% | 151,467 | $17.1M |
| Eversept Partners, LP | 0.93% | New | 147,471 | $16.7M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -1.7% | 143,192 | $16.2M |
| Keybank National Association | 0.06% | Add +0.0% | 142,506 | $16.1M |
| Perceptive Advisors LLC | 0.29% | New | 140,000 | $15.8M |
| Segall Bryant & Hamill, LLC | 0.20% | Add +4.7% | 131,404 | $14.8M |
| T. Rowe Price Associates Inc. | 0.00% | Add +4.5% | 122,169 | $13.8M |
| Granite Investment Partners, LLC | 0.80% | Reduce -13.1% | 119,343 | $13.5M |
| Swiss National Bank | 0.01% | Add +2.2% | 113,100 | $12.8M |
| Clearbridge Investments, LLC | 0.01% | Reduce -76.2% | 112,022 | $12.6M |
| Silvercrest Asset Management Group LLC | 0.08% | Add +2.8% | 104,279 | $11.8M |
| Osterweis Capital Management Inc. | 0.66% | Reduce -28.6% | 101,613 | $11.5M |
| Raymond James Financial Inc. | 0.00% | Reduce -8.4% | 98,768 | $11.2M |
| Two Sigma Investments, LP | 0.02% | Add +47.4% | 98,651 | $11.1M |
| WCM Investment Management, LLC | 0.02% | Reduce -5.4% | 97,367 | $11.1M |
| Defilade Capital Management, L.P. | 1.40% | — | 91,703 | $10.4M |
| Barclays PLC | 0.00% | Reduce -0.0% | 91,127 | $10.3M |
| Balyasny Asset Management L.P. | 0.02% | New | 87,171 | $9.8M |
| DNB Asset Management AS | 0.03% | Add +11.9% | 82,320 | $9.3M |
| Victory Capital Management Inc. | 0.01% | Reduce -17.7% | 80,102 | $9.0M |
| New York State Common Retirement Fund | 0.01% | Add +52.6% | 79,610 | $9.0M |
| California Public Employees Retirement System | 0.00% | Reduce -0.0% | 72,340 | $8.2M |
| Wells Fargo & Company | 0.00% | Add +69.5% | 69,175 | $7.8M |
| Two Sigma Advisers, LP | 0.02% | Add +11.8% | 69,000 | $7.8M |
| Sit Investment Associates Inc. | 0.15% | Reduce -2.4% | 66,970 | $7.6M |
| SG Americas Securities, LLC | 0.01% | Add +460.8% | 60,232 | $6.8M |
| Capricorn Fund Managers Ltd | 1.63% | New | 60,000 | $6.8M |
| Allianz Asset Management GmbH | 0.01% | Reduce -4.5% | 55,996 | $6.3M |
| Baird Financial Group, Inc. | 0.01% | Reduce -5.8% | 55,434 | $6.3M |
| EFG International AG | 0.12% | — | 55,340 | $6.2M |
| California State Teachers Retirement System | 0.01% | Add +1.4% | 54,563 | $6.2M |
| Neuberger Berman Group LLC | 0.00% | Add +5.9% | 53,778 | $6.1M |
| Prudential Financial Inc. | 0.01% | Reduce -7.1% | 53,557 | $6.0M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -7.3% | 51,833 | $5.9M |
| Canada Pension Plan Investment Board | 0.00% | New | 51,600 | $5.8M |
| CANADA LIFE ASSURANCE Co | 0.01% | Reduce -18.3% | 50,101 | $5.7M |
| New York State Teachers Retirement System | 0.01% | No change | 48,243 | $5.4M |
| Thornburg Investment Management Inc. | 0.07% | Reduce -2.7% | 47,725 | $5.4M |
| Deutsche Bank AG | 0.00% | Add +4.5% | 46,731 | $5.3M |
| Citigroup Inc. | 0.00% | Add +103.7% | 44,623 | $5.0M |
| Intech Investment Management LLC | 0.04% | Reduce -12.9% | 43,615 | $4.9M |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.01% | Add +37.9% | 42,996 | $4.9M |
| Resolute Capital Asset Partners LLC | 2.21% | New | 40,500 | $4.6M |
| Thrivent Financial for Lutherans | 0.01% | Reduce -4.6% | 39,465 | $4.5M |
"% of holder's portfolio" is GKOS's weight in each manager's 13F, not the share of Glaukos Corp. the manager owns.