CASTLE BIOSCIENCES INC's ticker is CSTL and the CUSIP is 14843C105. A total of 175 filers reported holding CASTLE BIOSCIENCES INC in Q1 2021. The put-call ratio across all filers is 5.22 and the average weighting 0.4%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2022 | $1,014,000 | -88.4% | 38,876 | -70.5% | 0.01% | -86.8% |
| Q3 2021 | $8,778,000 | +4.4% | 131,984 | +15.2% | 0.04% | 0.0% |
| Q2 2021 | $8,405,000 | +16.1% | 114,607 | +8.4% | 0.04% | -5.0% |
| Q1 2021 | $7,241,000 | -26.6% | 105,761 | -28.0% | 0.04% | -29.8% |
| Q4 2020 | $9,860,000 | +26.4% | 146,836 | -3.1% | 0.06% | +14.0% |
| Q3 2020 | $7,800,000 | +69.1% | 151,592 | +23.9% | 0.05% | +51.5% |
| Q2 2020 | $4,613,000 | +76.5% | 122,385 | +39.5% | 0.03% | +57.1% |
| Q1 2020 | $2,613,000 | -25.8% | 87,704 | -14.4% | 0.02% | +23.5% |
| Q4 2019 | $3,522,000 | +515.7% | 102,493 | +223.9% | 0.02% | +466.7% |
| Q3 2019 | $572,000 | – | 31,648 | – | 0.00% | – |
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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% |