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 |
|---|---|---|---|---|---|
| Canada Pension Plan Investment Board | 43,900 | $4.73M | 0.00% | −7,700−14.9% | Reduced |
| First Trust Advisors LP | 42,754 | $4.60M | 0.00% | +40,798+2,085.8% | Added |
| State of Wisconsin Investment Board | 38,362 | $4.13M | 0.01% | −779−2.0% | Reduced |
| Thrivent Financial for Lutherans | 38,337 | $4.13M | 0.01% | −1,128−2.9% | Reduced |
| BNP Paribas Arbitrage, SA | 36,196 | $3.90M | 0.00% | +16,849+87.1% | Added |
| Toronto Dominion Bank | 36,126 | $3.89M | 0.01% | +36,126 | New |
| Susquehanna International Group, LLP | 35,072 | $3.78M | 0.00% | +35,072 | New |
| Illinois Municipal Retirement Fund | 34,395 | $3.70M | 0.05% | +4,025+13.3% | Added |
| The PNC Financial Services Group, Inc. | 34,256 | $3.69M | 0.00% | +1,786+5.5% | Added |
| Marshall Wace, LLP | 34,099 | $3.67M | 0.00% | +26,855+370.7% | Added |
| Creative Planning | 32,533 | $3.50M | 0.00% | +727+2.3% | Added |
| Quantinno Capital Management LP | 30,836 | $3.32M | 0.01% | +27,938+964.0% | Added |
| Franklin Resources Inc | 30,818 | $3.32M | 0.00% | +2,298+8.1% | Added |
| MetLife Investment Management | 30,510 | $3.28M | 0.02% | −375−1.2% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 29,607 | $3.19M | 0.00% | +840+2.9% | Added |
| Wells Fargo & Company | 29,557 | $3.18M | 0.00% | −39,618−57.3% | Reduced |
| Pier Capital, LLC | 29,261 | $3.15M | 0.52% | +29,261 | New |
| Landscape Capital Management, L.L.C. | 28,631 | $3.08M | 0.20% | +5,614+24.4% | Added |
| State of Alaska, Department of Revenue | 28,347 | $3.05M | 0.03% | −966−3.3% | Reduced |
| Manufacturers Life Insurance Company, The | 26,607 | $2.86M | 0.00% | −166−0.6% | Reduced |
| Harbor Capital Advisors, Inc. | 26,384 | $2.84M | 0.23% | +26,384 | New |
| Amundi | 26,213 | $2.82M | 0.00% | +5,358+25.7% | Added |
| Louisiana State Employees Retirement System | 25,500 | $2.75M | 0.05% | −800−3.0% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 24,648 | $2.65M | 0.01% | +4,954+25.2% | Added |
| Intech Investment Management LLC | 23,862 | $2.57M | 0.03% | −19,753−45.3% | Reduced |
| Zhang Financial LLC | 23,586 | $2.54M | 0.09% | +623+2.7% | Added |
| Taylor Frigon Capital Management LLC | 23,445 | $2.52M | 1.44% | −4,980−17.5% | Reduced |
| State of Tennessee, Treasury Department | 23,344 | $2.51M | 0.01% | 00.0% | Unchanged |
| Vanguard Global Advisers, LLC | 23,082 | $2.49M | 0.00% | +23,082 | New |
| Russell Investments Group, Ltd. | 22,781 | $2.45M | 0.00% | −4,846−17.5% | Reduced |
| Natixis Advisors, L.P. | 21,583 | $2.32M | 0.00% | −1,165−5.1% | Reduced |
| Lazard Asset Management LLC | 21,581 | $2.32M | 0.00% | +1,062+5.2% | Added |
| Verition Fund Management LLC | 21,120 | $2.27M | 0.02% | +21,120 | New |
| Exome Asset Management LLC | 20,874 | $2.25M | 1.32% | −10,597−33.7% | Reduced |
| State of New Jersey Common Pension Fund D | 20,714 | $2.23M | 0.01% | −2,822−12.0% | Reduced |
| Handelsbanken Fonder AB | 18,700 | $2.01M | 0.01% | 00.0% | Unchanged |
| Oppenheimer Asset Management Inc. | 18,578 | $2.00M | 0.02% | −3,411−15.5% | Reduced |
| Stifel Financial Corp | 17,742 | $1.91M | 0.00% | +3,134+21.5% | Added |
| Havemeyer Place LP | 17,077 | $1.84M | 0.21% | +3,520+26.0% | Added |
| Fifth Third Bancorp | 16,533 | $1.78M | 0.00% | +12,578+318.0% | Added |
| Amalgamated Bank | 16,442 | $1.77M | 0.01% | −240−1.4% | Reduced |
| Yousif Capital Management, LLC | 15,841 | $1.71M | 0.02% | −102−0.6% | Reduced |
| Arizona State Retirement System | 15,770 | $1.70M | 0.01% | −293−1.8% | Reduced |
| Blair William & Co | 15,585 | $1.68M | 0.00% | +1,127+7.8% | Added |
| Voya Investment Management LLC | 15,526 | $1.67M | 0.00% | −174,306−91.8% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 15,204 | $1.64M | 0.01% | 00.0% | Unchanged |
| Lido Advisors, LLC | 14,818 | $1.60M | 0.01% | −239−1.6% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 14,523 | $1.56M | 0.03% | −5,617−27.9% | Reduced |
| AQR Capital Management LLC | 14,326 | $1.54M | 0.00% | −1,246−8.0% | Reduced |
| Vanguard Investments Australia, Ltd. | 14,313 | $1.54M | 0.00% | +14,313 | New |
| Teachers Retirement System of the State of Kentucky | 14,301 | $1.54M | 0.01% | +250+1.8% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 14,203 | $1.53M | 0.01% | −16−0.1% | Reduced |
| Pathstone Holdings, LLC | 14,113 | $1.52M | 0.01% | −1,076−7.1% | Reduced |
| US Bancorp | 14,052 | $1.51M | 0.00% | −2,431−14.7% | Reduced |
| Barclays PLC | 13,613 | $1.47M | 0.00% | −77,514−85.1% | Reduced |
| Oregon Public Employees Retirement Fund | 13,122 | $1.41M | 0.02% | −43−0.3% | Reduced |
| State Board of Administration of Florida Retirement System | 12,982 | $1.40M | 0.00% | 00.0% | Unchanged |
| KLP Kapitalforvaltning AS | 12,600 | $1.36M | 0.01% | +400+3.3% | Added |
| LPL Financial LLC | 12,005 | $1.29M | 0.00% | −651−5.1% | Reduced |
| Congress Asset Management Co | 11,644 | $1.25M | 0.01% | +11,644 | New |
| SG Americas Securities, LLC | 11,446 | $1.23M | 0.00% | −48,786−81.0% | Reduced |
| Allstate Corp | 11,191 | $1.20M | 0.01% | +11,191 | New |
| Thornburg Investment Management Inc | 10,886 | $1.17M | 0.01% | −36,839−77.2% | Reduced |
| Assenagon Asset Management S.A. | 10,531 | $1.13M | 0.00% | −171,862−94.2% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 10,339 | $1.11M | 0.01% | 00.0% | Unchanged |
| Oak Ridge Investments LLC | 10,303 | $1.11M | 0.07% | +1,245+13.7% | Added |
| Ehrlich Financial Group | 10,014 | $1.08M | 0.62% | 00.0% | Unchanged |
| Mackenzie Financial Corp | 9,731 | $1.05M | 0.00% | −5,673−36.8% | Reduced |
| Valeo Financial Advisors, LLC | 9,452 | $1.02M | 0.02% | +1,594+20.3% | Added |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 9,357 | $1.01M | 0.04% | +9,357 | New |
| Diversified Trust Co | 8,866 | $954.5K | 0.02% | +1,614+22.3% | Added |
| Summit Global Investments | 8,849 | $953.0K | 0.06% | +1,797+25.5% | Added |
| ProShare Advisors LLC | 8,717 | $938.5K | 0.00% | −2,168−19.9% | Reduced |
| Pictet Asset Management Holding SA | 8,567 | $922.3K | 0.00% | +356+4.3% | Added |
| Maryland State Retirement & Pension System | 8,373 | $901.4K | 0.02% | −49−0.6% | Reduced |
| Commonwealth Equity Services, LLC | 8,280 | $891.5K | 0.00% | −103−1.2% | Reduced |
| Exchange Traded Concepts, LLC | 7,743 | $833.6K | 0.01% | −93−1.2% | Reduced |
| Quadrant Capital Group LLC | 7,037 | $757.6K | 0.02% | +125+1.8% | Added |
| Lisanti Capital Growth, LLC | 6,995 | $753.1K | 0.19% | −17,140−71.0% | Reduced |
| Mutual of America Capital Management LLC | 6,573 | $707.6K | 0.01% | +9+0.1% | Added |
| Toroso Investments, LLC | 6,100 | $656.7K | 0.00% | −299−4.7% | Reduced |
| Bank of Montreal | 5,903 | $635.5K | 0.00% | +461+8.5% | Added |
| Fox Run Management, L.L.C. | 5,971 | $627.0K | 0.11% | +5,971 | New |
| CWM Advisors, LLC | 5,751 | $619.1K | 0.04% | +301+5.5% | Added |
| Public Employees Retirement Association of Colorado | 5,652 | $608.0K | 0.00% | 00.0% | Unchanged |
| Susquehanna Portfolio Strategies, LLC | 5,400 | $581.4K | 0.01% | −14,597−73.0% | Reduced |
| JustInvest LLC | 5,310 | $571.7K | 0.01% | +914+20.8% | Added |
| STRS Ohio | 5,300 | $570.6K | 0.00% | 00.0% | Unchanged |
| Xponance, Inc. | 5,263 | $566.6K | 0.00% | +838+18.9% | Added |
| Jones Financial Companies LLLP | 5,397 | $556.9K | 0.00% | +5,147+2,058.8% | Added |
| HighTower Advisors, LLC | 5,169 | $556.5K | 0.00% | +800+18.3% | Added |
| Evergreen Capital Management LLC | 4,988 | $537.0K | 0.01% | +1,439+40.5% | Added |
| Perbak Capital Partners LLP | 4,982 | $536.4K | 0.13% | +1,618+48.1% | Added |
| M&T Bank Corp | 4,711 | $507.4K | 0.00% | −100−2.1% | Reduced |
| Truist Financial Corp | 4,670 | $502.8K | 0.00% | −2,179−31.8% | Reduced |
| Jacobs Levy Equity Management, Inc | 4,663 | $502.0K | 0.00% | +1,679+56.3% | Added |
| Ameritas Investment Partners, Inc. | 4,634 | $498.9K | 0.02% | 00.0% | Unchanged |
| Vestmark Advisory Solutions, Inc. | 4,377 | $471.2K | 0.01% | +4,377 | New |
| Inceptionr LLC | 4,348 | $468.1K | 0.11% | +4,348 | New |
| Trust Point Inc. | 4,243 | $456.8K | 0.04% | +231+5.8% | Added |