CASTLE BIOSCIENCES INC's ticker is CSTL and the CUSIP is 14843C105. A total of 181 filers reported holding CASTLE BIOSCIENCES INC in Q2 2021. The put-call ratio across all filers is 0.24 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $911,773 | +87.1% | 53,983 | +52.0% | 0.00% | – |
| Q2 2023 | $487,252 | -13.1% | 35,514 | +44.0% | 0.00% | – |
| Q1 2023 | $560,389 | +6.3% | 24,665 | +10.2% | 0.00% | – |
| Q4 2022 | $527,108 | -10.8% | 22,392 | -1.1% | 0.00% | – |
| Q3 2022 | $591,000 | +19.2% | 22,646 | +0.2% | 0.00% | – |
| Q2 2022 | $496,000 | -71.5% | 22,598 | -41.7% | 0.00% | -100.0% |
| Q1 2022 | $1,739,000 | +21.3% | 38,776 | +16.0% | 0.00% | 0.0% |
| Q4 2021 | $1,434,000 | -34.6% | 33,439 | +1.3% | 0.00% | 0.0% |
| Q3 2021 | $2,194,000 | -1.7% | 32,998 | +8.5% | 0.00% | 0.0% |
| Q2 2021 | $2,231,000 | +314.7% | 30,422 | +287.4% | 0.00% | – |
| Q1 2021 | $538,000 | – | 7,853 | – | 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% |