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 $8.44B in total; no superinvestor holds it.
13F holders, Q1 2026
Institutional positions in GLAUKOS Corp as of Mar 31, 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
- 336
- +10 vs. Q4 2025
- Shares held
- 58.0M
- +7.48M (+14.8%) vs. Q4 2025
- Total value
- $6.25B
- +$549.2M (+9.6%) vs. Q4 2025
- New holders
- 50
- 110 more added
- Sold out
- 40
- 127 more reduced
6 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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 | $8.44B |
| Q1 2026 | 336 | $6.25B |
| Q4 2025 | 332 | $6.44B |
| Q3 2025 | 315 | $4.56B |
| Q2 2025 | 298 | $6.30B |
| Q1 2025 | 317 | $5.67B |
| Q4 2024 | 322 | $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, Q1 2026
Shares, value and share of portfolio for each institution holding GLAUKOS Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wealth Alliance | 2,297 | $247.3K | 0.02% | +98+4.5% | Added |
| GAMMA Investing LLC | 2,338 | $251.7K | 0.01% | +770+49.1% | Added |
| Nisa Investment Advisors, LLC | 2,347 | $252.7K | 0.00% | +36+1.6% | Added |
| CMH Wealth Management LLC | 2,438 | $262.5K | 0.05% | +2,438 | New |
| Abacus Wealth Partners, LLC | 2,554 | $275.0K | 0.03% | +111+4.5% | Added |
| High Note Wealth, LLC | 2,557 | $275.3K | 0.05% | 00.0% | Unchanged |
| Farallon Capital Management, L.L.C. | 2,600 | $279.9K | 0.00% | 00.0% | Unchanged |
| Profund Advisors LLC | 2,634 | $283.6K | 0.01% | −1,295−33.0% | Reduced |
| O'Shaughnessy Asset Management, LLC | 2,645 | $284.8K | 0.00% | +82+3.2% | Added |
| CIBC Asset Management Inc | 2,677 | $288.2K | 0.00% | −46−1.7% | Reduced |
| Capricorn Fund Managers Ltd | 2,800 | $301.4K | 0.05% | −57,200−95.3% | Reduced |
| Fieldview Capital Management, LLC | 2,829 | $304.6K | 0.09% | −170−5.7% | Reduced |
| CIBC Bancorp USA Inc. | 2,836 | $305.3K | 0.00% | +2,836 | New |
| Van Eck Associates Corp | 2,911 | $313.0K | 0.00% | +502+20.8% | Added |
| XTX Topco Ltd | 2,983 | $321.1K | 0.01% | +255+9.3% | Added |
| Atria Investments LLC | 2,986 | $321.5K | 0.00% | −562−15.8% | Reduced |
| Gabelli Funds LLC | 3,000 | $323.0K | 0.00% | 00.0% | Unchanged |
| Everence Capital Management Inc | 3,039 | $327.0K | 0.02% | −781−20.4% | Reduced |
| Steel Peak Wealth Management LLC | 3,039 | $327.2K | 0.01% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 3,132 | $337.2K | 0.00% | −1,009−24.4% | Reduced |
| Cetera Investment Advisers | 3,133 | $337.3K | 0.00% | −433−12.1% | Reduced |
| Gamco Investors, Inc. Et Al | 3,264 | $351.4K | 0.00% | −437−11.8% | Reduced |
| Quantum Private Wealth, LLC | 3,272 | $352.3K | 0.11% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 3,321 | $357.5K | 0.00% | −1,245−27.3% | Reduced |
| Sanctuary Advisors, LLC | 3,323 | $357.8K | 0.00% | +1,225+58.4% | Added |
| Stephens Inc | 3,371 | $362.9K | 0.00% | +3,371 | New |
| Apriem Advisors | 3,412 | $367.3K | 0.04% | 00.0% | Unchanged |
| TFB Advisors LLC | 3,543 | $381.4K | 0.20% | +3,543 | New |
| Swiss Life Asset Management Ltd | 3,550 | $382.2K | 0.00% | +990+38.7% | Added |
| Bessemer Group Inc | 3,573 | $385.0K | 0.00% | −5,880−62.2% | Reduced |
| Schroder Investment Management Group | 3,793 | $398.3K | 0.00% | −104−2.7% | Reduced |
| Winton Group Ltd | 3,700 | $398.3K | 0.01% | +3,700 | New |
| Qsemble Capital Management, LP | 3,789 | $407.9K | 0.03% | +107+2.9% | Added |
| Tower Research Capital LLC (TRC) | 4,003 | $431.0K | 0.01% | +1,809+82.5% | Added |
| Crossmark Global Holdings, Inc. | 4,024 | $433.2K | 0.01% | −10−0.2% | Reduced |
| New Age Alpha Advisors, LLC | 4,195 | $451.6K | 0.02% | −114−2.6% | Reduced |
| Trust Point Inc. | 4,243 | $456.8K | 0.04% | +231+5.8% | Added |
| Inceptionr LLC | 4,348 | $468.1K | 0.11% | +4,348 | New |
| Vestmark Advisory Solutions, Inc. | 4,377 | $471.2K | 0.01% | +4,377 | New |
| Ameritas Investment Partners, Inc. | 4,634 | $498.9K | 0.02% | 00.0% | Unchanged |
| Jacobs Levy Equity Management, Inc | 4,663 | $502.0K | 0.00% | +1,679+56.3% | Added |
| Truist Financial Corp | 4,670 | $502.8K | 0.00% | −2,179−31.8% | Reduced |
| M&T Bank Corp | 4,711 | $507.4K | 0.00% | −100−2.1% | Reduced |
| Perbak Capital Partners LLP | 4,982 | $536.4K | 0.13% | +1,618+48.1% | Added |
| Evergreen Capital Management LLC | 4,988 | $537.0K | 0.01% | +1,439+40.5% | Added |
| HighTower Advisors, LLC | 5,169 | $556.5K | 0.00% | +800+18.3% | Added |
| Jones Financial Companies LLLP | 5,397 | $556.9K | 0.00% | +5,147+2,058.8% | Added |
| Xponance, Inc. | 5,263 | $566.6K | 0.00% | +838+18.9% | Added |
| STRS Ohio | 5,300 | $570.6K | 0.00% | 00.0% | Unchanged |
| JustInvest LLC | 5,310 | $571.7K | 0.01% | +914+20.8% | Added |
| Susquehanna Portfolio Strategies, LLC | 5,400 | $581.4K | 0.01% | −14,597−73.0% | Reduced |
| Public Employees Retirement Association of Colorado | 5,652 | $608.0K | 0.00% | 00.0% | Unchanged |
| CWM Advisors, LLC | 5,751 | $619.1K | 0.04% | +301+5.5% | Added |
| Fox Run Management, L.L.C. | 5,971 | $627.0K | 0.11% | +5,971 | New |
| Bank of Montreal | 5,903 | $635.5K | 0.00% | +461+8.5% | Added |
| Toroso Investments, LLC | 6,100 | $656.7K | 0.00% | −299−4.7% | Reduced |
| Mutual of America Capital Management LLC | 6,573 | $707.6K | 0.01% | +9+0.1% | Added |
| Lisanti Capital Growth, LLC | 6,995 | $753.1K | 0.19% | −17,140−71.0% | Reduced |
| Quadrant Capital Group LLC | 7,037 | $757.6K | 0.02% | +125+1.8% | Added |
| Exchange Traded Concepts, LLC | 7,743 | $833.6K | 0.01% | −93−1.2% | Reduced |
| Commonwealth Equity Services, LLC | 8,280 | $891.5K | 0.00% | −103−1.2% | Reduced |
| Maryland State Retirement & Pension System | 8,373 | $901.4K | 0.02% | −49−0.6% | Reduced |
| Pictet Asset Management Holding SA | 8,567 | $922.3K | 0.00% | +356+4.3% | Added |
| ProShare Advisors LLC | 8,717 | $938.5K | 0.00% | −2,168−19.9% | Reduced |
| Summit Global Investments | 8,849 | $953.0K | 0.06% | +1,797+25.5% | Added |
| Diversified Trust Co | 8,866 | $954.5K | 0.02% | +1,614+22.3% | Added |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 9,357 | $1.01M | 0.04% | +9,357 | New |
| Valeo Financial Advisors, LLC | 9,452 | $1.02M | 0.02% | +1,594+20.3% | Added |
| Mackenzie Financial Corp | 9,731 | $1.05M | 0.00% | −5,673−36.8% | Reduced |
| Ehrlich Financial Group | 10,014 | $1.08M | 0.62% | 00.0% | Unchanged |
| Oak Ridge Investments LLC | 10,303 | $1.11M | 0.07% | +1,245+13.7% | Added |
| B. Metzler seel. Sohn & Co. AG | 10,339 | $1.11M | 0.01% | 00.0% | Unchanged |
| Assenagon Asset Management S.A. | 10,531 | $1.13M | 0.00% | −171,862−94.2% | Reduced |
| Thornburg Investment Management Inc | 10,886 | $1.17M | 0.01% | −36,839−77.2% | Reduced |
| Allstate Corp | 11,191 | $1.20M | 0.01% | +11,191 | New |
| SG Americas Securities, LLC | 11,446 | $1.23M | 0.00% | −48,786−81.0% | Reduced |
| Congress Asset Management Co | 11,644 | $1.25M | 0.01% | +11,644 | New |
| LPL Financial LLC | 12,005 | $1.29M | 0.00% | −651−5.1% | Reduced |
| KLP Kapitalforvaltning AS | 12,600 | $1.36M | 0.01% | +400+3.3% | Added |
| State Board of Administration of Florida Retirement System | 12,982 | $1.40M | 0.00% | 00.0% | Unchanged |
| Oregon Public Employees Retirement Fund | 13,122 | $1.41M | 0.02% | −43−0.3% | Reduced |
| Barclays PLC | 13,613 | $1.47M | 0.00% | −77,514−85.1% | Reduced |
| US Bancorp | 14,052 | $1.51M | 0.00% | −2,431−14.7% | Reduced |
| Pathstone Holdings, LLC | 14,113 | $1.52M | 0.01% | −1,076−7.1% | Reduced |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 14,203 | $1.53M | 0.01% | −16−0.1% | Reduced |
| Teachers Retirement System of the State of Kentucky | 14,301 | $1.54M | 0.01% | +250+1.8% | Added |
| Vanguard Investments Australia, Ltd. | 14,313 | $1.54M | 0.00% | +14,313 | New |
| AQR Capital Management LLC | 14,326 | $1.54M | 0.00% | −1,246−8.0% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 14,523 | $1.56M | 0.03% | −5,617−27.9% | Reduced |
| Lido Advisors, LLC | 14,818 | $1.60M | 0.01% | −239−1.6% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 15,204 | $1.64M | 0.01% | 00.0% | Unchanged |
| Voya Investment Management LLC | 15,526 | $1.67M | 0.00% | −174,306−91.8% | Reduced |
| Blair William & Co | 15,585 | $1.68M | 0.00% | +1,127+7.8% | Added |
| Arizona State Retirement System | 15,770 | $1.70M | 0.01% | −293−1.8% | Reduced |
| Yousif Capital Management, LLC | 15,841 | $1.71M | 0.02% | −102−0.6% | Reduced |
| Amalgamated Bank | 16,442 | $1.77M | 0.01% | −240−1.4% | Reduced |
| Fifth Third Bancorp | 16,533 | $1.78M | 0.00% | +12,578+318.0% | Added |
| Havemeyer Place LP | 17,077 | $1.84M | 0.21% | +3,520+26.0% | Added |
| Stifel Financial Corp | 17,742 | $1.91M | 0.00% | +3,134+21.5% | Added |
| Oppenheimer Asset Management Inc. | 18,578 | $2.00M | 0.02% | −3,411−15.5% | Reduced |