CASTLE BIOSCIENCES INC's ticker is CSTL and the CUSIP is 14843C105. A total of 58 filers reported holding CASTLE BIOSCIENCES INC in Q3 2019. The put-call ratio across all filers is - and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q1 2021 | $9,567,000 | -48.5% | 139,747 | -49.5% | 0.02% | -50.0% |
| Q4 2020 | $18,574,000 | +106.2% | 276,599 | +58.0% | 0.04% | +81.0% |
| Q3 2020 | $9,007,000 | +70.2% | 175,054 | +24.6% | 0.02% | +61.5% |
| Q2 2020 | $5,293,000 | +26.9% | 140,445 | +0.4% | 0.01% | +8.3% |
| Q1 2020 | $4,170,000 | -13.2% | 139,884 | +0.1% | 0.01% | +9.1% |
| Q4 2019 | $4,803,000 | +308.4% | 139,747 | +115.0% | 0.01% | +266.7% |
| Q3 2019 | $1,176,000 | – | 65,000 | – | 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% |