CASTLE BIOSCIENCES INC's ticker is CSTL and the CUSIP is 14843C105. A total of 156 filers reported holding CASTLE BIOSCIENCES INC in Q4 2022. The put-call ratio across all filers is 0.16 and the average weighting 0.5%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $474 | +23.1% | 28,100 | 0.0% | 0.00% | 0.0% |
| Q2 2023 | $385 | -79.1% | 28,100 | -65.4% | 0.00% | -33.3% |
| Q1 2023 | $1,845 | +284.4% | 81,300 | +298.5% | 0.00% | +50.0% |
| Q4 2022 | $480 | -99.9% | 20,400 | 0.0% | 0.00% | -33.3% |
| Q3 2022 | $532,000 | +19.0% | 20,400 | 0.0% | 0.00% | +50.0% |
| Q2 2022 | $447,000 | +257.6% | 20,400 | +628.6% | 0.00% | – |
| Q1 2022 | $125,000 | +4.2% | 2,800 | 0.0% | 0.00% | – |
| Q4 2021 | $120,000 | -35.5% | 2,800 | 0.0% | 0.00% | -100.0% |
| Q3 2021 | $186,000 | -64.7% | 2,800 | -61.1% | 0.00% | -50.0% |
| Q2 2021 | $527,000 | -39.4% | 7,200 | -43.3% | 0.00% | -33.3% |
| Q1 2021 | $869,000 | +0.3% | 12,700 | -1.6% | 0.00% | 0.0% |
| Q4 2020 | $866,000 | +30.6% | 12,900 | 0.0% | 0.00% | 0.0% |
| Q3 2020 | $663,000 | +1691.9% | 12,900 | +1190.0% | 0.00% | – |
| Q2 2020 | $37,000 | +27.6% | 1,000 | 0.0% | 0.00% | – |
| Q1 2020 | $29,000 | -14.7% | 1,000 | 0.0% | 0.00% | – |
| Q4 2019 | $34,000 | +88.9% | 1,000 | 0.0% | 0.00% | – |
| Q3 2019 | $18,000 | – | 1,000 | – | 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% |