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 2023 | $900,929 | +153.8% | 53,341 | +106.2% | 0.08% | +156.2% |
| Q2 2023 | $354,950 | -39.5% | 25,871 | +0.2% | 0.03% | -44.8% |
| Q1 2023 | $586,471 | -3.4% | 25,813 | +0.1% | 0.06% | -7.9% |
| Q4 2022 | $607,120 | -10.7% | 25,791 | -1.0% | 0.06% | -8.7% |
| Q3 2022 | $680,000 | +35.5% | 26,064 | +14.0% | 0.07% | +38.0% |
| Q2 2022 | $502,000 | -51.1% | 22,863 | 0.0% | 0.05% | -43.2% |
| Q1 2022 | $1,026,000 | +5.9% | 22,863 | +1.2% | 0.09% | +12.8% |
| Q4 2021 | $969,000 | -34.3% | 22,602 | +1.8% | 0.08% | -40.9% |
| Q3 2021 | $1,476,000 | -8.8% | 22,202 | +0.5% | 0.13% | -11.4% |
| Q2 2021 | $1,619,000 | +7.7% | 22,084 | +0.6% | 0.15% | +1.4% |
| Q1 2021 | $1,503,000 | -18.1% | 21,953 | -19.7% | 0.15% | -24.6% |
| Q4 2020 | $1,836,000 | +67.7% | 27,346 | +28.5% | 0.20% | +43.4% |
| Q3 2020 | $1,095,000 | -17.5% | 21,286 | -39.5% | 0.14% | -16.6% |
| Q2 2020 | $1,327,000 | – | 35,203 | – | 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% |