CASTLE BIOSCIENCES INC's ticker is CSTL and the CUSIP is 14843C105. A total of 159 filers reported holding CASTLE BIOSCIENCES INC in Q4 2021. The put-call ratio across all filers is 0.68 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $2,306,111 | +251.0% | 136,537 | +185.1% | 0.02% | +325.0% |
| Q2 2023 | $657,055 | -17.6% | 47,890 | +36.4% | 0.00% | -20.0% |
| Q1 2023 | $797,861 | +1.4% | 35,117 | +5.0% | 0.01% | 0.0% |
| Q4 2022 | $787,036 | -43.7% | 33,434 | -37.6% | 0.01% | -37.5% |
| Q3 2022 | $1,398,000 | -53.6% | 53,593 | -60.9% | 0.01% | -55.6% |
| Q2 2022 | $3,012,000 | +92.7% | 137,230 | +294.0% | 0.02% | +38.5% |
| Q1 2022 | $1,563,000 | -7.8% | 34,833 | -11.9% | 0.01% | -18.8% |
| Q4 2021 | $1,695,000 | +284.4% | 39,541 | +496.6% | 0.02% | +166.7% |
| Q3 2021 | $441,000 | +5.0% | 6,628 | +15.8% | 0.01% | +20.0% |
| Q2 2021 | $420,000 | -32.6% | 5,724 | -37.1% | 0.01% | -37.5% |
| Q1 2021 | $623,000 | +101.0% | 9,101 | +96.9% | 0.01% | +100.0% |
| Q4 2020 | $310,000 | -67.1% | 4,623 | -74.8% | 0.00% | -71.4% |
| Q3 2020 | $942,000 | +4181.8% | 18,314 | +2998.8% | 0.01% | – |
| Q2 2020 | $22,000 | -65.1% | 591 | -71.9% | 0.00% | -100.0% |
| Q1 2020 | $63,000 | – | 2,100 | – | 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% |