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 $8.46B 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
- Institutional holders
- 367
- +34 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
- 147 more added
- Sold out
- 38
- 104 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 | 367 | $8.46B |
| Q1 2026 | 336 | $6.25B |
| Q4 2025 | 332 | $6.45B |
| Q3 2025 | 315 | $4.62B |
| Q2 2025 | 298 | $6.32B |
| Q1 2025 | 317 | $5.73B |
| Q4 2024 | 322 | $8.57B |
| Q3 2024 | 315 | $7.20B |
| Q2 2024 | 282 | $6.58B |
| Q1 2024 | 254 | $5.15B |
| Q4 2023 | 246 | $4.15B |
| Q3 2023 | 233 | $3.80B |
| Q2 2023 | 220 | $3.51B |
| Q1 2023 | 203 | $2.39B |
| Q4 2022 | 215 | $2.07B |
| Q3 2022 | 222 | $2.45B |
| Q2 2022 | 199 | $2.05B |
| Q1 2022 | 211 | $2.50B |
| Q4 2021 | 208 | $1.97B |
| 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 |
|---|---|---|---|---|---|
| UBS Asset Management Americas Inc | 138,990 | $19.4M | 0.00% | −4,784−3.3% | Reduced |
| Prudential Financial Inc | 139,527 | $19.5M | 0.02% | +80,970+138.3% | Added |
| Rhumbline Advisers | 143,454 | $20.0M | 0.02% | −10,722−7.0% | Reduced |
| Keybank National Association | 145,077 | $20.3M | 0.07% | −193−0.1% | Reduced |
| TimesSquare Capital Management, LLC | 145,202 | $20.3M | 0.30% | +145,202 | New |
| Renaissance Technologies LLC | 147,192 | $20.6M | 0.03% | +28,300+23.8% | Added |
| Integral Health Asset Management, LLC | 150,000 | $21.0M | 0.86% | −25,000−14.3% | Reduced |
| Eventide Asset Management, LLC | 150,036 | $21.0M | 0.28% | 00.0% | Unchanged |
| Gilder Gagnon Howe & Co LLC | 152,448 | $21.3M | 0.22% | −449−0.3% | Reduced |
| Arrowstreet Capital, Limited Partnership | 154,929 | $21.7M | 0.01% | +154,929 | New |
| Legal & General Group Plc | 165,836 | $23.2M | 0.00% | +5,294+3.3% | Added |
| Brown Capital Management LLC | 167,920 | $23.5M | 4.69% | −62,108−27.0% | Reduced |
| Segall Bryant & Hamill, LLC | 168,445 | $23.5M | 0.28% | +43,494+34.8% | Added |
| JPMorgan Chase & Co | 172,186 | $24.9M | 0.00% | −151,633−46.8% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 195,738 | $27.4M | 0.03% | +101,200+107.0% | Added |
| Public Sector Pension Investment Board | 201,743 | $28.2M | 0.07% | −3,741−1.8% | Reduced |
| C WorldWide Group Holding A/S | 207,212 | $29.0M | 0.70% | 00.0% | Unchanged |
| Longaeva Partners L.P. | 236,192 | $33.0M | 0.95% | +236,192 | New |
| Toronto Dominion Bank | 268,152 | $37.5M | 0.06% | +232,026+642.3% | Added |
| Champlain Investment Partners, LLC | 275,171 | $38.5M | 0.99% | −43,856−13.7% | Reduced |
| Anomaly Capital Management, LP | 275,995 | $38.6M | 1.47% | +275,995 | New |
| Riverbridge Partners LLC | 282,089 | $39.4M | 1.10% | −151,139−34.9% | Reduced |
| Neuberger Berman Group LLC | 300,752 | $42.0M | 0.03% | +152,858+103.4% | Added |
| Artisan Partners Limited Partnership | 309,266 | $43.2M | 0.07% | −298,196−49.1% | Reduced |
| Marshall Wace, LLP | 314,804 | $44.0M | 0.04% | +280,705+823.2% | Added |
| Nuveen, LLC | 322,624 | $45.1M | 0.01% | −75,705−19.0% | Reduced |
| Bank of New York Mellon Corp | 357,148 | $49.9M | 0.01% | +13,975+4.1% | Added |
| Principal Financial Group Inc | 358,758 | $50.1M | 0.02% | +78,021+27.8% | Added |
| FMR LLC | 377,485 | $52.8M | 0.00% | +74,219+24.5% | Added |
| Allspring Global Investments Holdings, LLC | 417,999 | $57.5M | 0.09% | +24,168+6.1% | Added |
| Vaughan Nelson Investment Management, L.P. | 416,231 | $58.2M | 0.51% | +416,231 | New |
| Vanguard Fiduciary Trust Co | 417,418 | $58.3M | 0.01% | +20,699+5.2% | Added |
| Lord, Abbett & Co. LLC | 420,466 | $58.8M | 0.17% | +300,252+249.8% | Added |
| Wellington Management Group LLP | 428,215 | $59.8M | 0.01% | +279,065+187.1% | Added |
| Clearbridge Investments, LLC | 431,066 | $60.2M | 0.05% | +145,015+50.7% | Added |
| Summit Partners Public Asset Management, LLC | 446,550 | $62.4M | 1.62% | +446,550 | New |
| Loomis Sayles & Co L P | 469,388 | $65.6M | 0.08% | +48,148+11.4% | Added |
| Westfield Capital Management Co LP | 483,411 | $67.6M | 0.22% | +1,192+0.2% | Added |
| Jennison Associates LLC | 491,498 | $68.7M | 0.04% | +4,478+0.9% | Added |
| Balyasny Asset Management LLC | 491,636 | $68.7M | 0.13% | +491,636 | New |
| Norges Bank | 498,502 | $69.7M | 0.01% | +498,502 | New |
| Fuller & Thaler Asset Management, Inc. | 529,922 | $74.1M | 0.20% | +529,922 | New |
| UBS Group AG | 578,271 | $80.8M | 0.01% | +191,871+49.7% | Added |
| Bank of America Corp | 587,327 | $82.1M | 0.01% | −70,105−10.7% | Reduced |
| Morgan Stanley | 589,793 | $82.4M | 0.00% | −89,032−13.1% | Reduced |
| Braidwell LP | 591,927 | $82.7M | 3.06% | −171,578−22.5% | Reduced |
| Northern Trust Corp | 612,496 | $85.6M | 0.01% | +36,287+6.3% | Added |
| Nomura Asset Management International Inc. | 647,428 | $90.5M | 0.14% | +35,365+5.8% | Added |
| Driehaus Capital Management LLC | 650,571 | $90.9M | 0.53% | +162,659+33.3% | Added |
| William Blair Investment Management, LLC | 661,675 | $92.5M | 0.28% | −412,144−38.4% | Reduced |
| Price T Rowe Associates Inc | 679,632 | $95.0M | 0.01% | +343,207+102.0% | Added |
| Invesco Ltd. | 706,877 | $98.8M | 0.01% | −207,311−22.7% | Reduced |
| Charles Schwab Investment Management Inc | 752,642 | $105.2M | 0.01% | +38,253+5.4% | Added |
| Goldman Sachs Group Inc | 897,021 | $125.4M | 0.01% | −477,937−34.8% | Reduced |
| Alliancebernstein L.P. | 1,254,703 | $135.1M | 0.04% | −142,853−10.2% | Reduced |
| Capital World Investors | 1,015,943 | $142.0M | 0.02% | +26,883+2.7% | Added |
| Ameriprise Financial Inc | 1,315,057 | $183.8M | 0.04% | −295,717−18.4% | Reduced |
| Citadel Advisors LLC | 1,390,017 | $194.3M | 0.11% | −56,909−3.9% | Reduced |
| Geode Capital Management, LLC | 1,463,448 | $204.6M | 0.01% | +106,995+7.9% | Added |
| Holocene Advisors, LP | 1,514,931 | $211.7M | 0.48% | +131,216+9.5% | Added |
| Millennium Management LLC | 1,581,016 | $221.0M | 0.15% | +407,320+34.7% | Added |
| State Street Corp | 2,315,568 | $323.7M | 0.01% | +132,951+6.1% | Added |
| Vanguard Capital Management LLC | 2,551,132 | $356.5M | 0.01% | +42,361+1.7% | Added |
| Primecap Management Co | 3,040,705 | $425.0M | 0.25% | −329,923−9.8% | Reduced |
| Vanguard Portfolio Management LLC | 3,321,839 | $464.3M | 0.02% | +113,476+3.5% | Added |
| Jupiter Topco LLC | 4,862,894 | $679.6M | 0.28% | +4,862,894 | New |
| BlackRock, Inc. | 9,540,056 | $1.33B | 0.02% | +450,027+5.0% | Added |
| Capital International Investors | 0 | $0 | 0.00% | −373,343−100.0% | Sold out |
| PFM Health Sciences, LP | 0 | $0 | 0.00% | −215,685−100.0% | Sold out |
| ExodusPoint Capital Management, LP | 0 | $0 | 0.00% | −179,728−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −108,863−100.0% | Sold out |
| Adage Capital Partners GP, L.L.C. | 0 | $0 | 0.00% | −81,878−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −62,381−100.0% | Sold out |
| Engineers Gate Manager LP | 0 | $0 | 0.00% | −46,923−100.0% | Sold out |
| Pier Capital, LLC | 0 | $0 | 0.00% | −29,261−100.0% | Sold out |
| Landscape Capital Management, L.L.C. | 0 | $0 | 0.00% | −28,631−100.0% | Sold out |
| Havemeyer Place LP | 0 | $0 | 0.00% | −17,077−100.0% | Sold out |
| Lido Advisors, LLC | 0 | $0 | 0.00% | −14,818−100.0% | Sold out |
| Y-Intercept (Hong Kong) Ltd | 0 | $0 | 0.00% | −14,523−100.0% | Sold out |
| Congress Asset Management Co | 0 | $0 | 0.00% | −11,644−100.0% | Sold out |
| Thornburg Investment Management Inc | 0 | $0 | 0.00% | −10,886−100.0% | Sold out |
| Lisanti Capital Growth, LLC | 0 | $0 | 0.00% | −6,995−100.0% | Sold out |
| Fox Run Management, L.L.C. | 0 | $0 | 0.00% | −5,971−100.0% | Sold out |
| Perbak Capital Partners LLP | 0 | $0 | 0.00% | −4,982−100.0% | Sold out |
| Jacobs Levy Equity Management, Inc | 0 | $0 | 0.00% | −4,663−100.0% | Sold out |
| Inceptionr LLC | 0 | $0 | 0.00% | −4,348−100.0% | Sold out |
| Qsemble Capital Management, LP | 0 | $0 | 0.00% | −3,789−100.0% | Sold out |
| Winton Group Ltd | 0 | $0 | 0.00% | −3,700−100.0% | Sold out |
| Fieldview Capital Management, LLC | 0 | $0 | 0.00% | −2,829−100.0% | Sold out |
| Capricorn Fund Managers Ltd | 0 | $0 | 0.00% | −2,800−100.0% | Sold out |
| Farallon Capital Management, L.L.C. | 0 | $0 | 0.00% | −2,600−100.0% | Sold out |
| Abacus Wealth Partners, LLC | 0 | $0 | 0.00% | −2,554−100.0% | Sold out |
| CMH Wealth Management LLC | 0 | $0 | 0.00% | −2,438−100.0% | Sold out |
| Boothbay Fund Management, LLC | 0 | $0 | 0.00% | −2,259−100.0% | Sold out |
| RWC Asset Management LLP | 0 | $0 | 0.00% | −2,197−100.0% | Sold out |
| GTS Securities LLC | 0 | $0 | 0.00% | −1,871−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −1,613−100.0% | Sold out |
| Twin Peaks Wealth Advisors, LLC | 0 | $0 | 0.00% | −160−100.0% | Sold out |
| Sound Income Strategies, LLC | 0 | $0 | 0.00% | −101−100.0% | Sold out |
| Meramec Financial Planners, LLC | 0 | $0 | 0.00% | −68−100.0% | Sold out |