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, Q2 2026
Institutional positions in GLAUKOS Corp as of Jun 30, 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
Q3 2026 data is still coming in: 271 institutions have reported holding GKOS so far. See Q3 2026
- Institutional holders
- 368
- +33 vs. Q1 2026
- Shares held
- 60.7M
- +8.05M (+15.3%) vs. Q1 2026
- Total value
- $8.44B
- +$2.77B (+48.8%) vs. Q1 2026
- New holders
- 72
- 146 more added
- Sold out
- 39
- 105 more reduced
3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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, Q2 2026
Shares, value and share of portfolio for each institution holding GLAUKOS Corp; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 9,540,056 | $1.33B | 0.02% | +450,027+5.0% | Added |
| Jupiter Topco LLC | 4,862,894 | $679.6M | 0.28% | +4,862,894 | New |
| Vanguard Portfolio Management LLC | 3,321,839 | $464.3M | 0.02% | +113,476+3.5% | Added |
| Primecap Management Co | 3,040,705 | $425.0M | 0.25% | −329,923−9.8% | Reduced |
| Vanguard Capital Management LLC | 2,551,132 | $356.5M | 0.01% | +42,361+1.7% | Added |
| State Street Corp | 2,315,568 | $323.7M | 0.01% | +132,951+6.1% | Added |
| Millennium Management LLC | 1,581,016 | $221.0M | 0.15% | +407,320+34.7% | Added |
| Holocene Advisors, LP | 1,514,931 | $211.7M | 0.48% | +131,216+9.5% | Added |
| Geode Capital Management, LLC | 1,463,448 | $204.6M | 0.01% | +106,995+7.9% | Added |
| Citadel Advisors LLC | 1,390,017 | $194.3M | 0.11% | −56,909−3.9% | Reduced |
| Ameriprise Financial Inc | 1,315,057 | $183.8M | 0.04% | −295,717−18.4% | Reduced |
| Capital World Investors | 1,015,943 | $142.0M | 0.02% | +26,883+2.7% | Added |
| Alliancebernstein L.P. | 1,254,703 | $135.1M | 0.05% | −142,853−10.2% | Reduced |
| Goldman Sachs Group Inc | 897,021 | $125.4M | 0.01% | −477,937−34.8% | Reduced |
| Charles Schwab Investment Management Inc | 752,642 | $105.2M | 0.01% | +38,253+5.4% | Added |
| Invesco Ltd. | 706,877 | $98.8M | 0.01% | −207,311−22.7% | Reduced |
| Price T Rowe Associates Inc | 679,632 | $95.0M | 0.01% | +343,207+102.0% | Added |
| William Blair Investment Management, LLC | 661,675 | $92.5M | 0.28% | −412,144−38.4% | Reduced |
| Driehaus Capital Management LLC | 650,571 | $90.9M | 0.53% | +162,659+33.3% | Added |
| Nomura Asset Management International Inc. | 647,428 | $90.5M | 0.14% | +35,365+5.8% | Added |
| Northern Trust Corp | 612,496 | $85.6M | 0.01% | +36,287+6.3% | Added |
| Braidwell LP | 591,927 | $82.7M | 3.06% | −171,578−22.5% | Reduced |
| Morgan Stanley | 589,793 | $82.4M | 0.00% | −89,032−13.1% | Reduced |
| Bank of America Corp | 587,327 | $82.1M | 0.01% | −70,105−10.7% | Reduced |
| UBS Group AG | 578,271 | $80.8M | 0.01% | +191,871+49.7% | Added |
| Fuller & Thaler Asset Management, Inc. | 529,922 | $74.1M | 0.20% | +529,922 | New |
| Norges Bank | 498,502 | $69.7M | 0.01% | +498,502 | New |
| Balyasny Asset Management LLC | 491,636 | $68.7M | 0.13% | +491,636 | New |
| Jennison Associates LLC | 491,498 | $68.7M | 0.04% | +4,478+0.9% | Added |
| Westfield Capital Management Co LP | 483,411 | $67.6M | 0.22% | +1,192+0.2% | Added |
| Loomis Sayles & Co L P | 469,388 | $65.6M | 0.08% | +48,148+11.4% | Added |
| Summit Partners Public Asset Management, LLC | 446,550 | $62.4M | 1.62% | +446,550 | New |
| Clearbridge Investments, LLC | 431,066 | $60.2M | 0.05% | +145,015+50.7% | Added |
| Wellington Management Group LLP | 428,215 | $59.8M | 0.01% | +279,065+187.1% | Added |
| Lord, Abbett & Co. LLC | 420,466 | $58.8M | 0.17% | +300,252+249.8% | Added |
| Vanguard Fiduciary Trust Co | 417,418 | $58.3M | 0.01% | +20,699+5.2% | Added |
| Vaughan Nelson Investment Management, L.P. | 416,231 | $58.2M | 0.51% | +416,231 | New |
| Allspring Global Investments Holdings, LLC | 417,999 | $57.5M | 0.09% | +24,168+6.1% | Added |
| FMR LLC | 377,485 | $52.8M | 0.00% | +74,219+24.5% | Added |
| Principal Financial Group Inc | 358,758 | $50.1M | 0.02% | +78,021+27.8% | Added |
| Bank of New York Mellon Corp | 357,148 | $49.9M | 0.01% | +13,975+4.1% | Added |
| Nuveen, LLC | 322,624 | $45.1M | 0.01% | −75,705−19.0% | Reduced |
| Marshall Wace, LLP | 314,804 | $44.0M | 0.04% | +280,705+823.2% | Added |
| Artisan Partners Limited Partnership | 309,266 | $43.2M | 0.07% | −298,196−49.1% | Reduced |
| Neuberger Berman Group LLC | 300,752 | $42.0M | 0.03% | +152,858+103.4% | Added |
| Riverbridge Partners LLC | 282,089 | $39.4M | 1.10% | −151,139−34.9% | Reduced |
| Anomaly Capital Management, LP | 275,995 | $38.6M | 1.47% | +275,995 | New |
| Champlain Investment Partners, LLC | 275,171 | $38.5M | 0.99% | −43,856−13.7% | Reduced |
| Toronto Dominion Bank | 268,152 | $37.5M | 0.06% | +232,026+642.3% | Added |
| Longaeva Partners L.P. | 236,192 | $33.0M | 0.95% | +236,192 | New |
| C WorldWide Group Holding A/S | 207,212 | $29.0M | 0.70% | 00.0% | Unchanged |
| Public Sector Pension Investment Board | 201,743 | $28.2M | 0.07% | −3,741−1.8% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 195,738 | $27.4M | 0.03% | +101,200+107.0% | Added |
| JPMorgan Chase & Co | 172,186 | $24.9M | 0.00% | −151,633−46.8% | Reduced |
| Segall Bryant & Hamill, LLC | 168,445 | $23.5M | 0.28% | +43,494+34.8% | Added |
| Brown Capital Management LLC | 167,920 | $23.5M | 4.69% | −62,108−27.0% | Reduced |
| Legal & General Group Plc | 165,836 | $23.2M | 0.00% | +5,294+3.3% | Added |
| Arrowstreet Capital, Limited Partnership | 154,929 | $21.7M | 0.01% | +154,929 | New |
| Gilder Gagnon Howe & Co LLC | 152,448 | $21.3M | 0.22% | −449−0.3% | Reduced |
| Eventide Asset Management, LLC | 150,036 | $21.0M | 0.28% | 00.0% | Unchanged |
| Integral Health Asset Management, LLC | 150,000 | $21.0M | 0.86% | −25,000−14.3% | Reduced |
| Renaissance Technologies LLC | 147,192 | $20.6M | 0.03% | +28,300+23.8% | Added |
| TimesSquare Capital Management, LLC | 145,202 | $20.3M | 0.30% | +145,202 | New |
| Keybank National Association | 145,077 | $20.3M | 0.07% | −193−0.1% | Reduced |
| Rhumbline Advisers | 143,454 | $20.0M | 0.02% | −10,722−7.0% | Reduced |
| Prudential Financial Inc | 139,527 | $19.5M | 0.02% | +80,970+138.3% | Added |
| UBS Asset Management Americas Inc | 138,990 | $19.4M | 0.00% | −4,784−3.3% | Reduced |
| Point72 Asset Management, L.P. | 138,300 | $19.3M | 0.03% | +36,960+36.5% | Added |
| Bellevue Group AG | 128,667 | $18.0M | 0.38% | −17,036−11.7% | Reduced |
| Fred Alger Management, LLC | 125,911 | $17.6M | 0.06% | +11,968+10.5% | Added |
| Royal Bank of Canada | 125,692 | $17.6M | 0.00% | −78,461−38.4% | Reduced |
| Silvercrest Asset Management Group LLC | 121,880 | $17.0M | 0.11% | −6,414−5.0% | Reduced |
| SEI Investments Co | 121,325 | $17.0M | 0.01% | −40,355−25.0% | Reduced |
| Rhenman & Partners Asset Management AB | 119,000 | $16.6M | 1.57% | +35,000+41.7% | Added |
| Swiss National Bank | 110,800 | $15.5M | 0.01% | −2,800−2.5% | Reduced |
| Assenagon Asset Management S.A. | 108,736 | $15.2M | 0.02% | +98,205+932.5% | Added |
| Susquehanna Portfolio Strategies, LLC | 102,507 | $14.3M | 0.23% | +97,107+1,798.3% | Added |
| WCM Investment Management, LLC | 93,267 | $13.3M | 0.02% | −160−0.2% | Reduced |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 93,493 | $13.1M | 0.02% | +5,741+6.5% | Added |
| Raymond James Financial Inc | 93,114 | $13.0M | 0.00% | −5,112−5.2% | Reduced |
| Natixis Advisors, L.P. | 91,918 | $12.8M | 0.01% | +70,335+325.9% | Added |
| Canada Pension Plan Investment Board | 87,500 | $12.2M | 0.01% | +43,600+99.3% | Added |
| Dimensional Fund Advisors LP | 87,301 | $12.2M | 0.00% | −111,783−56.1% | Reduced |
| Cinctive Capital Management LP | 85,070 | $11.9M | 0.47% | +85,070 | New |
| Citigroup Inc | 78,941 | $11.0M | 0.01% | +17,438+28.4% | Added |
| Granite Investment Partners, LLC | 78,154 | $10.9M | 0.56% | −33,718−30.1% | Reduced |
| Assetmark, Inc | 73,622 | $10.3M | 0.02% | −2,684−3.5% | Reduced |
| Sit Investment Associates Inc | 72,305 | $10.1M | 0.19% | +3,800+5.5% | Added |
| Bessemer Group Inc | 72,135 | $10.1M | 0.01% | +68,562+1,918.9% | Added |
| California Public Employees Retirement System | 70,669 | $9.88M | 0.01% | +2,015+2.9% | Added |
| Defilade Capital Management, L.P. | 66,519 | $9.30M | 1.24% | +66,519 | New |
| AustralianSuper Pty Ltd | 65,319 | $9.13M | 0.04% | −66,216−50.3% | Reduced |
| Wells Fargo & Company | 65,221 | $9.12M | 0.00% | +35,664+120.7% | Added |
| California State Teachers Retirement System | 64,570 | $9.02M | 0.01% | −1,864−2.8% | Reduced |
| Two Sigma Investments, LP | 63,430 | $8.86M | 0.01% | 00.0% | Unchanged |
| Victory Capital Management Inc | 62,202 | $8.69M | 0.00% | −13,783−18.1% | Reduced |
| Deutsche Bank AG | 61,957 | $8.66M | 0.00% | +9,861+18.9% | Added |
| New York State Common Retirement Fund | 60,319 | $8.43M | 0.01% | −15,938−20.9% | Reduced |
| D. E. Shaw & Co., Inc. | 57,184 | $7.99M | 0.00% | −193,992−77.2% | Reduced |
| CI Private Wealth, LLC | 57,046 | $7.97M | 0.01% | +106+0.2% | Added |