GLAUKOS CORP's ticker is GKOS and the CUSIP is 377322102. A total of 207 filers reported holding GLAUKOS CORP in Q4 2021. The put-call ratio across all filers is 8.37 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2023 | $15 | – | 300 | -50.0% | 0.00% | – |
| Q3 2022 | $0 | -100.0% | 600 | 0.0% | 0.00% | – |
| Q2 2022 | $1,000 | -98.6% | 600 | -97.2% | 0.00% | -100.0% |
| Q1 2022 | $72,000 | -81.2% | 21,300 | +57.8% | 0.00% | -75.0% |
| Q4 2021 | $382,000 | -34.1% | 13,500 | -67.1% | 0.02% | -38.5% |
| Q3 2021 | $580,000 | +1557.1% | 41,050 | +4906.1% | 0.03% | +1200.0% |
| Q3 2020 | $35,000 | +16.7% | 820 | -18.0% | 0.00% | 0.0% |
| Q1 2020 | $30,000 | -91.6% | 1,000 | -90.9% | 0.00% | -93.9% |
| Q2 2019 | $356,000 | +7020.0% | 11,000 | +10900.0% | 0.03% | – |
| Q4 2018 | $5,000 | -98.4% | 100 | -99.1% | 0.00% | -100.0% |
| Q3 2018 | $311,000 | +31000.0% | 10,622 | +1670.3% | 0.02% | – |
| Q2 2018 | $1,000 | – | 600 | +500.0% | 0.00% | – |
| Q1 2018 | $0 | -100.0% | 100 | -99.7% | 0.00% | -100.0% |
| Q4 2017 | $437,000 | -68.1% | 29,532 | -66.1% | 0.02% | -64.7% |
| Q3 2017 | $1,368,000 | +337.1% | 87,055 | +107.6% | 0.05% | +363.6% |
| Q2 2017 | $313,000 | +878.1% | 41,943 | +323.7% | 0.01% | +1000.0% |
| Q1 2017 | $32,000 | +14.3% | 9,900 | -10.0% | 0.00% | 0.0% |
| Q4 2016 | $28,000 | +366.7% | 11,000 | +900.0% | 0.00% | – |
| Q3 2016 | $6,000 | – | 1,100 | – | 0.00% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| INTERWEST VENTURE MANAGEMENT CO | 350,264 | $15,565,000 | 9.20% |
| Taylor Frigon Capital Management LLC | 108,681 | $4,830,000 | 1.51% |
| Brown Capital Management | 3,021,796 | $134,289,000 | 1.11% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 1,161,414 | $51,613,000 | 1.08% |
| Altium Capital Management LP | 81,000 | $3,600,000 | 0.99% |
| Rhenman & Partners Asset Management AB | 175,000 | $8,022,000 | 0.53% |
| Cinctive Capital Management LP | 126,463 | $5,620,000 | 0.25% |
| RIVERBRIDGE PARTNERS LLC | 554,555 | $24,644,000 | 0.24% |
| Aquatic Capital Management LLC | 2,500 | $111,000 | 0.21% |
| FOX RUN MANAGEMENT, L.L.C. | 6,899 | $307,000 | 0.18% |