GlaukosGKOS
13F holders, Q3 2025 (September 30)315holders +18
60new positions
41sold out
7famous investors
$81.57avg. 13F price*
At the end of Q3 2025, 315 institutions reported holding Glaukos Corp. (GKOS) in their 13F filings, up 18 from Q2 2025. 60 opened new positions and 41 sold out. The largest holders were BlackRock, Inc. ($705.9M), Vanguard Group Inc. ($493.1M) and Wellington Management Group LLP ($292.0M). 7 famous investors held it, including Steve Cohen (0.1% of Point72 Asset Management's portfolio), Israel Englander (0.1% of Millennium Management's portfolio) and David E. Shaw (0.0% of D. E. Shaw & Co.'s portfolio).
- Company
- Glaukos Corp.
- CUSIP
- 377322102
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q2 2025 → Q3 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 60 | $218.1M |
| Exits | 41 | $105.3M |
All 13F filers, Q2 2025 → Q3 2025: 6,982,676 shares bought and 11,356,371 shares sold, net −4,373,695 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 315 holders
| BlackRock, Inc. | 0.01% | Reduce -0.8% | 8,655,795 | $705.9M |
| Vanguard Group Inc. | 0.01% | Reduce -1.1% | 6,046,520 | $493.1M |
| Wellington Management Group LLP | 0.05% | Add +10.4% | 3,580,670 | $292.0M |
| Primecap Management Co. | 0.14% | Add +23.3% | 2,253,788 | $183.8M |
| State Street Corp. | 0.01% | Add +0.7% | 2,104,362 | $171.6M |
| Ameriprise Financial Inc. | 0.04% | Reduce -5.0% | 1,900,284 | $155.0M |
| Alliancebernstein L.P. | 0.04% | Add +38.5% | 1,733,474 | $141.4M |
| Geode Capital Management, LLC | 0.01% | Reduce -1.1% | 1,316,087 | $107.3M |
| Westfield Capital Management Co. LP | 0.42% | Add +5.5% | 1,231,641 | $100.4M |
| William Blair Investment Management, LLC | 0.23% | Reduce -3.7% | 1,093,744 | $89.2M |
| Janus Henderson Group PLC | 0.04% | Reduce -2.0% | 1,065,209 | $86.9M |
| Millennium Management | 0.06% | New | 913,410 | $74.5M |
| Capital World Investors | 0.01% | No change | 850,893 | $69.4M |
| Braidwell LP | 2.57% | Add +29.3% | 780,164 | $63.6M |
| Brown Capital Management LLC | 2.56% | Reduce -33.0% | 762,760 | $62.2M |
| Charles Schwab Investment Management Inc. | 0.01% | Add +0.3% | 702,380 | $57.3M |
| Point72 Asset Management | 0.13% | Reduce -4.0% | 690,723 | $56.3M |
| JPMorgan Chase & Co. | 0.00% | Add +4.3% | 670,083 | $54.6M |
| Northern Trust Corp. | 0.01% | Reduce -1.2% | 627,660 | $51.2M |
| Invesco Ltd. | 0.01% | Reduce -39.1% | 607,442 | $49.5M |
| Macquarie Group Ltd. | 0.06% | Add +712.9% | 600,228 | $48.9M |
| Riverbridge Partners LLC | 0.78% | Add +41.0% | 569,644 | $46.5M |
| Holocene Advisors, LP | 0.10% | Reduce -47.7% | 547,052 | $44.6M |
| Capital International Investors | 0.01% | Add +107.5% | 511,510 | $41.7M |
| Bank of America Corp. | 0.00% | Add +66.3% | 474,930 | $38.7M |
| Clearbridge Investments, LLC | 0.03% | Reduce -1.5% | 471,552 | $38.5M |
| AustralianSuper Pty Ltd | 0.17% | Add +10.8% | 449,846 | $36.7M |
| Loomis Sayles & Co. L P | 0.04% | Reduce -24.6% | 447,429 | $36.5M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -22.1% | 436,967 | $35.6M |
| Morgan Stanley | 0.00% | Reduce -13.4% | 429,578 | $35.0M |
| T. Rowe Price Investment Management, Inc. | 0.02% | New | 395,653 | $32.3M |
| Bank of New York Mellon Corp | 0.01% | Reduce -2.8% | 381,394 | $31.1M |
| Royal Bank of Canada | 0.01% | Add +88.1% | 369,439 | $30.1M |
| Qube Research & Technologies Ltd | 0.04% | Add +87.2% | 367,528 | $30.0M |
| Champlain Investment Partners, LLC | 0.22% | Reduce -1.3% | 358,419 | $29.2M |
| Iron Triangle Partners LP | 3.98% | Add +26.4% | 342,804 | $28.0M |
| Gilder Gagnon Howe & Co. LLC | 0.28% | Reduce -52.3% | 334,532 | $27.3M |
| Marshall Wace, LLP | 0.03% | Add +40.7% | 324,527 | $26.5M |
| Fred Alger Management, LLC | 0.10% | Reduce -25.6% | 316,804 | $25.8M |
| Sofinnova Investments, Inc. | 1.57% | New | 312,994 | $25.5M |
| Jane Street Group, LLC | 0.03% | Add +256.5% | 307,183 | $25.1M |
| Artisan Partners Limited Partnership | 0.03% | Add +2.2% | 293,665 | $23.9M |
| Eventide Asset Management, LLC | 0.39% | Add +31.1% | 289,275 | $23.6M |
| D. E. Shaw & Co. | 0.02% | New | 278,435 | $22.7M |
| Principal Financial Group Inc. | 0.01% | Reduce -2.2% | 277,202 | $22.6M |
| Allspring Global Investments Holdings, LLC | 0.04% | Reduce -4.7% | 267,498 | $22.3M |
| Freestone Grove Partners LP | 0.16% | Add +20.1% | 263,889 | $21.5M |
| Dimensional Fund Advisors LP | 0.00% | Reduce -27.6% | 241,680 | $19.7M |
| Comerica Bank | 0.07% | Add +7.3% | 241,646 | $19.7M |
| Rhenman & Partners Asset Management AB | 2.08% | Reduce -2.1% | 230,000 | $18.8M |
| Public Sector Pension Investment Board | 0.07% | Add +14.8% | 223,708 | $18.2M |
| Atika Capital Management LLC | 1.48% | Reduce -33.5% | 212,400 | $17.3M |
| Squarepoint Ops LLC | 0.04% | Reduce -29.1% | 210,814 | $17.2M |
| UBS Group AG | 0.00% | Add +37.5% | 210,093 | $17.1M |
| C WorldWide Group Holding A/S | 0.26% | Add +27.7% | 207,212 | $16.9M |
| Amundi | 0.01% | Reduce -24.2% | 181,389 | $15.7M |
| Legal & General Group Plc | 0.00% | Reduce -3.0% | 189,276 | $15.4M |
| Nuveen, LLC | 0.00% | Add +7.1% | 162,029 | $13.2M |
| Rhumbline Advisers | 0.01% | Reduce -1.0% | 157,697 | $12.9M |
| Assenagon Asset Management S.A. | 0.02% | Add +1206.6% | 157,545 | $12.8M |
| Sei Investments Co. | 0.01% | Add +22.6% | 148,108 | $12.1M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Reduce -47.9% | 145,621 | $11.9M |
| Keybank National Association | 0.04% | Reduce -0.2% | 142,447 | $11.6M |
| Osterweis Capital Management Inc. | 0.68% | Add +50.8% | 142,288 | $11.6M |
| Man Group plc | 0.02% | Reduce -5.8% | 138,587 | $11.3M |
| Granite Investment Partners, LLC | 0.64% | Reduce -28.7% | 137,347 | $11.2M |
| Voya Investment Management LLC | 0.01% | Add +18.5% | 128,210 | $10.5M |
| Segall Bryant & Hamill, LLC | 0.14% | Add +2.5% | 125,490 | $10.2M |
| FMR LLC | 0.00% | Reduce -98.1% | 121,406 | $9.9M |
| T. Rowe Price Associates Inc. | 0.00% | Add +8.7% | 116,906 | $9.5M |
| Swiss National Bank | 0.01% | Add +2.5% | 110,700 | $9.0M |
| Raymond James Financial Inc. | 0.00% | Reduce -5.9% | 107,815 | $8.8M |
| WCM Investment Management, LLC | 0.02% | Add +0.0% | 102,887 | $8.4M |
| Silvercrest Asset Management Group LLC | 0.05% | Add +92.8% | 101,447 | $8.3M |
| Integral Health Asset Management, LLC | 0.59% | Add +100.0% | 100,000 | $8.2M |
| Victory Capital Management Inc. | 0.00% | Reduce -20.6% | 97,307 | $7.9M |
| Cubist Systematic Strategies, LLC | 0.11% | New | 94,900 | $7.7M |
| Barclays PLC | 0.00% | Reduce -16.7% | 91,152 | $7.4M |
| Susquehanna Portfolio Strategies, LLC | 0.11% | Reduce -35.8% | 85,204 | $6.9M |
| DNB Asset Management AS | 0.02% | Add +28.4% | 73,550 | $6.0M |
| California Public Employees Retirement System | 0.00% | Add +6.0% | 72,353 | $5.9M |
| Sit Investment Associates Inc. | 0.11% | Add +51.5% | 68,630 | $5.6M |
| Two Sigma Investments, LP | 0.01% | New | 66,939 | $5.5M |
| Two Sigma Advisers, LP | 0.01% | New | 61,700 | $5.0M |
| CANADA LIFE ASSURANCE Co | 0.01% | Add +0.8% | 61,348 | $5.0M |
| Baird Financial Group, Inc. | 0.01% | Reduce -7.2% | 58,849 | $4.8M |
| Allianz Asset Management GmbH | 0.01% | Reduce -8.4% | 58,654 | $4.8M |
| Renaissance Technologies | 0.01% | New | 57,892 | $4.7M |
| Prudential Financial Inc. | 0.01% | Reduce -2.9% | 57,647 | $4.7M |
| Voloridge Investment Management, LLC | 0.02% | New | 57,218 | $4.7M |
| EFG Asset Management (North America) Corp. | 0.60% | Add +2.0% | 56,548 | $4.6M |
| Citadel Advisors | 0.00% | Reduce -82.5% | 55,940 | $4.6M |
| Bellevue Group AG | 0.09% | No change | 55,926 | $4.6M |
| Envestnet Asset Management Inc. | 0.00% | Add +15.4% | 55,883 | $4.6M |
| Ra Capital Management, L.P. | 0.05% | New | 54,180 | $4.4M |
| California State Teachers Retirement System | 0.00% | Add +5.8% | 53,784 | $4.4M |
| New York State Common Retirement Fund | 0.01% | Reduce -86.5% | 52,174 | $4.3M |
| Neuberger Berman Group LLC | 0.00% | Add +21.5% | 50,801 | $4.1M |
| Intech Investment Management LLC | 0.04% | Add +1.6% | 50,095 | $4.1M |
| Thornburg Investment Management Inc. | 0.05% | Reduce -2.7% | 49,069 | $4.0M |
"% of holder's portfolio" is GKOS's weight in each manager's 13F, not the share of Glaukos Corp. the manager owns.