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, Q3 2025
Institutional positions in GLAUKOS Corp as of Sep 30, 2025. 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
- 315
- +21 vs. Q2 2025
- Shares held
- 55.9M
- −4.37M (−7.2%) vs. Q2 2025
- Total value
- $4.56B
- −$1.67B (−26.7%) vs. Q2 2025
- New holders
- 62
- 105 more added
- Sold out
- 41
- 116 more reduced
4 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2025
Shares, value and share of portfolio for each institution holding GLAUKOS Corp; share changes are against Q2 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Mackenzie Financial Corp | 3,567 | $290.9K | 0.00% | +369+11.5% | Added |
| Steel Peak Wealth Management LLC | 3,639 | $296.8K | 0.01% | 00.0% | Unchanged |
| M&T Bank Corp | 3,652 | $298.0K | 0.00% | +1,693+86.4% | Added |
| Boothbay Fund Management, LLC | 3,703 | $302.0K | 0.01% | +3,703 | New |
| Headlands Technologies LLC | 3,775 | $307.9K | 0.02% | +3,775 | New |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 3,800 | $309.9K | 0.01% | 00.0% | Unchanged |
| Everence Capital Management Inc | 3,820 | $312.0K | 0.02% | 00.0% | Unchanged |
| Federation des caisses Desjardins du Quebec | 3,856 | $314.5K | 0.00% | +3,744+3,342.9% | Added |
| Fifth Third Bancorp | 3,877 | $316.2K | 0.00% | −576−12.9% | Reduced |
| Crossmark Global Holdings, Inc. | 3,889 | $317.1K | 0.00% | −143−3.5% | Reduced |
| JustInvest LLC | 3,928 | $320.3K | 0.00% | +534+15.7% | Added |
| STRS Ohio | 4,000 | $326.2K | 0.00% | −1,700−29.8% | Reduced |
| HighTower Advisors, LLC | 4,113 | $335.4K | 0.00% | −206−4.8% | Reduced |
| FORA Capital, LLC | 4,146 | $338.1K | 0.06% | +4,146 | New |
| Diversified Trust Co | 4,202 | $342.7K | 0.01% | −3−0.1% | Reduced |
| GTS Securities LLC | 4,287 | $349.6K | 0.01% | +4,287 | New |
| Xponance, Inc. | 4,390 | $358.0K | 0.00% | −100−2.2% | Reduced |
| Aigen Investment Management, LP | 4,400 | $358.8K | 0.06% | +4,400 | New |
| Mariner, LLC | 4,591 | $374.4K | 0.00% | −1,381−23.1% | Reduced |
| Ameritas Investment Partners, Inc. | 4,672 | $381.0K | 0.01% | −1,037−18.2% | Reduced |
| Bayforest Capital Ltd | 4,828 | $393.7K | 0.19% | +1,737+56.2% | Added |
| Schroder Investment Management Group | 5,043 | $409.9K | 0.00% | −855−14.5% | Reduced |
| Advisor Group Holdings, Inc. | 4,967 | $433.0K | 0.00% | −1,737−25.9% | Reduced |
| Quadrant Capital Group LLC | 5,573 | $454.5K | 0.01% | −572−9.3% | Reduced |
| New York Life Investment Management LLC | 5,634 | $459.5K | 0.00% | −128−2.2% | Reduced |
| Public Employees Retirement Association of Colorado | 5,652 | $461.0K | 0.00% | 00.0% | Unchanged |
| CIBC Bancorp USA Inc. | 5,961 | $486.1K | 0.00% | +5,961 | New |
| Lombard Odier Asset Management (USA) Corp | 6,213 | $506.7K | 0.11% | +2,842+84.3% | Added |
| Bessemer Group Inc | 6,359 | $519.0K | 0.00% | −183−2.8% | Reduced |
| Bank of Montreal | 6,424 | $523.9K | 0.00% | −4,793−42.7% | Reduced |
| Mutual of America Capital Management LLC | 6,424 | $523.9K | 0.01% | −916−12.5% | Reduced |
| CWM Advisors, LLC | 6,574 | $536.1K | 0.05% | +1,936+41.7% | Added |
| Toroso Investments, LLC | 6,720 | $548.0K | 0.00% | +245+3.8% | Added |
| Evoke Wealth, LLC | 7,014 | $572.0K | 0.01% | −81−1.1% | Reduced |
| Verition Fund Management LLC | 7,102 | $579.2K | 0.00% | +7,102 | New |
| Truist Financial Corp | 7,553 | $615.9K | 0.00% | +257+3.5% | Added |
| Exchange Traded Concepts, LLC | 7,581 | $618.2K | 0.01% | +681+9.9% | Added |
| Pictet Asset Management Holding SA | 7,709 | $628.7K | 0.00% | −1,473−16.0% | Reduced |
| Valeo Financial Advisors, LLC | 7,894 | $643.8K | 0.01% | +9+0.1% | Added |
| Gamco Investors, Inc. Et Al | 8,100 | $660.6K | 0.01% | +99+1.2% | Added |
| US Bancorp | 8,141 | $663.9K | 0.00% | +1,389+20.6% | Added |
| Magnetar Financial LLC | 8,209 | $669.4K | 0.00% | +8,209 | New |
| Prelude Capital Management, LLC | 8,209 | $669.4K | 0.05% | +8,209 | New |
| Commonwealth Equity Services, LLC | 8,239 | $672.0K | 0.00% | −195−2.3% | Reduced |
| Maryland State Retirement & Pension System | 8,245 | $672.4K | 0.01% | −8,548−50.9% | Reduced |
| Aquatic Capital Management LLC | 8,297 | $676.6K | 0.01% | +8,297 | New |
| Brevan Howard Capital Management LP | 8,526 | $695.3K | 0.01% | +8,526 | New |
| Ehrlich Financial Group | 10,014 | $816.6K | 0.48% | 00.0% | Unchanged |
| Landscape Capital Management, L.L.C. | 10,218 | $833.3K | 0.05% | +6,951+212.8% | Added |
| AQR Capital Management LLC | 10,317 | $841.3K | 0.00% | +3,976+62.7% | Added |
| B. Metzler seel. Sohn & Co. AG | 10,339 | $843.1K | 0.01% | 00.0% | Unchanged |
| Oak Ridge Investments LLC | 10,473 | $854.1K | 0.06% | −222−2.1% | Reduced |
| ProShare Advisors LLC | 10,558 | $861.0K | 0.00% | −1,944−15.5% | Reduced |
| LPL Financial LLC | 10,583 | $863.0K | 0.00% | −1,267−10.7% | Reduced |
| SG Americas Securities, LLC | 10,740 | $876.0K | 0.00% | +10,740 | New |
| Y-Intercept (Hong Kong) Ltd | 11,479 | $936.1K | 0.02% | +11,479 | New |
| Cinctive Capital Management LP | 11,498 | $937.7K | 0.05% | +11,498 | New |
| Harbor Capital Advisors, Inc. | 11,621 | $948.0K | 0.07% | −27,684−70.4% | Reduced |
| Susquehanna International Group, LLP | 11,944 | $974.0K | 0.00% | −100,050−89.3% | Reduced |
| Ensign Peak Advisors, Inc | 12,031 | $981.1K | 0.00% | −39,398−76.6% | Reduced |
| Pathstone Holdings, LLC | 12,275 | $1.00M | 0.00% | −7,062−36.5% | Reduced |
| Fox Run Management, L.L.C. | 12,308 | $1.00M | 0.16% | +12,308 | New |
| KLP Kapitalforvaltning AS | 12,700 | $1.04M | 0.00% | +1,000+8.5% | Added |
| Oregon Public Employees Retirement Fund | 12,965 | $1.06M | 0.01% | −167−1.3% | Reduced |
| State Board of Administration of Florida Retirement System | 12,982 | $1.06M | 0.00% | −21−0.2% | Reduced |
| Campbell & CO Investment Adviser LLC | 13,588 | $1.11M | 0.08% | +13,588 | New |
| BNP Paribas Arbitrage, SA | 13,623 | $1.11M | 0.00% | +8,141+148.5% | Added |
| TD Asset Management Inc | 14,184 | $1.16M | 0.00% | +14,184 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 14,605 | $1.19M | 0.01% | −65−0.4% | Reduced |
| Lido Advisors, LLC | 15,059 | $1.23M | 0.01% | −2,364−13.6% | Reduced |
| Handelsbanken Fonder AB | 15,300 | $1.25M | 0.00% | 00.0% | Unchanged |
| Police & Firemen's Retirement System of New Jersey | 15,475 | $1.26M | 0.01% | +2,736+21.5% | Added |
| SummitTX Capital, L.P. | 16,058 | $1.31M | 0.05% | +16,058 | New |
| Creative Planning | 16,068 | $1.31M | 0.00% | −2,300−12.5% | Reduced |
| Amalgamated Bank | 16,238 | $1.32M | 0.01% | +242+1.5% | Added |
| Perbak Capital Partners LLP | 16,484 | $1.34M | 0.24% | +9,861+148.9% | Added |
| Teacher Retirement System of Texas | 16,748 | $1.37M | 0.01% | −3,200−16.0% | Reduced |
| Arizona State Retirement System | 16,908 | $1.38M | 0.01% | +399+2.4% | Added |
| Federated Hermes, Inc. | 17,730 | $1.45M | 0.00% | −6,093−25.6% | Reduced |
| Yousif Capital Management, LLC | 18,253 | $1.49M | 0.02% | −3,535−16.2% | Reduced |
| Natixis Advisors, L.P. | 18,821 | $1.53M | 0.00% | −8,151−30.2% | Reduced |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 19,354 | $1.58M | 0.00% | +2,506+14.9% | Added |
| Blair William & Co | 19,509 | $1.59M | 0.00% | −27,741−58.7% | Reduced |
| Entropy Technologies, LP | 19,531 | $1.59M | 0.12% | +19,531 | New |
| Russell Investments Group, Ltd. | 21,359 | $1.74M | 0.00% | −1,764−7.6% | Reduced |
| Zhang Financial LLC | 21,717 | $1.77M | 0.07% | +21,717 | New |
| Citigroup Inc | 21,912 | $1.79M | 0.00% | −34,689−61.3% | Reduced |
| Wolverine Trading, LLC | 22,106 | $1.80M | 0.04% | +5,007+29.3% | Added |
| Oppenheimer Asset Management Inc. | 22,289 | $1.82M | 0.02% | +7,992+55.9% | Added |
| Stifel Financial Corp | 22,455 | $1.83M | 0.00% | +16,097+253.2% | Added |
| State of New Jersey Common Pension Fund D | 23,689 | $1.93M | 0.01% | +3,784+19.0% | Added |
| Point72 Hong Kong Ltd | 24,728 | $2.02M | 0.09% | +24,728 | New |
| State of Tennessee, Treasury Department | 25,358 | $2.07M | 0.01% | +590+2.4% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 26,093 | $2.13M | 0.01% | +12,975+98.9% | Added |
| Louisiana State Employees Retirement System | 26,400 | $2.15M | 0.04% | −300−1.1% | Reduced |
| Exome Asset Management LLC | 27,143 | $2.21M | 1.46% | +27,143 | New |
| Manufacturers Life Insurance Company, The | 27,981 | $2.28M | 0.00% | −1,686−5.7% | Reduced |
| Franklin Resources Inc | 28,034 | $2.29M | 0.00% | +10,007+55.5% | Added |
| Adage Capital Partners GP, L.L.C. | 28,582 | $2.33M | 0.00% | +28,582 | New |
| Mirae Asset Global ETFs Holdings Ltd. | 28,772 | $2.35M | 0.00% | −4,400−13.3% | Reduced |