CASTLE BIOSCIENCES INC's ticker is CSTL and the CUSIP is 14843C105. A total of 189 filers reported holding CASTLE BIOSCIENCES INC in Q3 2021. The put-call ratio across all filers is 0.34 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2022 | $24,436,000 | +68.4% | 544,723 | +60.9% | 1.16% | +75.0% |
| Q4 2021 | $14,510,000 | -5.7% | 338,457 | +46.3% | 0.66% | -9.1% |
| Q3 2021 | $15,381,000 | -2.5% | 231,296 | +7.5% | 0.73% | -3.7% |
| Q2 2021 | $15,782,000 | +486.0% | 215,218 | +447.1% | 0.76% | +413.6% |
| Q1 2021 | $2,693,000 | +354.9% | 39,339 | +346.1% | 0.15% | +332.4% |
| Q4 2020 | $592,000 | +30.4% | 8,819 | 0.0% | 0.03% | +9.7% |
| Q3 2020 | $454,000 | +10.5% | 8,819 | -19.1% | 0.03% | -3.1% |
| Q2 2020 | $411,000 | -7.8% | 10,900 | -27.2% | 0.03% | -33.3% |
| Q1 2020 | $446,000 | -59.7% | 14,975 | -53.5% | 0.05% | -53.4% |
| Q4 2019 | $1,108,000 | -22.8% | 32,225 | -59.4% | 0.10% | -34.0% |
| Q3 2019 | $1,436,000 | – | 79,375 | – | 0.16% | – |
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Other shareholders
| Name | Shares | Value | Weighting ↓ |
|---|---|---|---|
| ABG Innovation Capital Partners III GP Ltd | 33,626 | $567,943 | 77.21% |
| Millrace Asset Group, Inc. | 77,315 | $1,306 | 1.61% |
| Granahan Investment Management | 2,487,673 | $42,016,797 | 1.50% |
| Parkman Healthcare Partners LLC | 224,592 | $3,793,359 | 0.70% |
| PERKINS CAPITAL MANAGEMENT INC | 29,160 | $493 | 0.49% |
| Capital Impact Advisors, LLC | 16,554 | $279,597 | 0.47% |
| Soleus Capital Management, L.P. | 283,500 | $4,788,315 | 0.44% |
| Portolan Capital Management | 253,028 | $4,273,643 | 0.40% |
| Numerai GP LLC | 68,163 | $1,151,273 | 0.38% |
| DEERFIELD MANAGEMENT COMPANY, L.P. (SERIES C) | 946,620 | $15,988,412 | 0.35% |