GLAUKOS CORP's ticker is GKOS and the CUSIP is 377322102. A total of 176 filers reported holding GLAUKOS CORP in Q1 2019. The put-call ratio across all filers is 0.64 and the average weighting 0.2%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2019 | $7,430,000 | +44.0% | 94,801 | +3.2% | 0.01% | +28.6% |
| Q4 2018 | $5,161,000 | -51.3% | 91,877 | -43.8% | 0.01% | +16.7% |
| Q3 2018 | $10,608,000 | +325.3% | 163,444 | +166.4% | 0.01% | +100.0% |
| Q2 2018 | $2,494,000 | +54.0% | 61,360 | +16.8% | 0.00% | +50.0% |
| Q1 2018 | $1,620,000 | +20.2% | 52,531 | -0.1% | 0.00% | 0.0% |
| Q4 2017 | $1,348,000 | -21.0% | 52,569 | +1.6% | 0.00% | 0.0% |
| Q3 2017 | $1,707,000 | -20.2% | 51,722 | +0.2% | 0.00% | -33.3% |
| Q2 2017 | $2,140,000 | +41.3% | 51,598 | +74.8% | 0.00% | +50.0% |
| Q1 2017 | $1,514,000 | +58.9% | 29,512 | +6.2% | 0.00% | +100.0% |
| Q4 2016 | $953,000 | -3.9% | 27,789 | +5.7% | 0.00% | -50.0% |
| Q3 2016 | $992,000 | +27.8% | 26,283 | -1.2% | 0.00% | +100.0% |
| Q2 2016 | $776,000 | +546.7% | 26,607 | +274.3% | 0.00% | – |
| Q1 2016 | $120,000 | -31.8% | 7,109 | 0.0% | 0.00% | – |
| Q4 2015 | $176,000 | +2.3% | 7,109 | 0.0% | 0.00% | – |
| Q3 2015 | $172,000 | – | 7,109 | – | 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% |