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 | $4,695 | +22.6% | 278 | -0.4% | 0.00% | – |
| Q2 2023 | $3,828 | -29.5% | 279 | +16.7% | 0.00% | – |
| Q1 2023 | $5,430 | +4.8% | 239 | +8.6% | 0.00% | – |
| Q4 2022 | $5,179 | -94.4% | 220 | -93.9% | 0.00% | – |
| Q3 2022 | $93,000 | -66.9% | 3,583 | -72.0% | 0.00% | -100.0% |
| Q2 2022 | $281,000 | -62.0% | 12,807 | -22.2% | 0.00% | 0.0% |
| Q1 2022 | $739,000 | +35.1% | 16,468 | +28.9% | 0.00% | 0.0% |
| Q4 2021 | $547,000 | -39.5% | 12,774 | -6.0% | 0.00% | -50.0% |
| Q3 2021 | $904,000 | +258.7% | 13,590 | +295.2% | 0.00% | – |
| Q2 2021 | $252,000 | +500.0% | 3,439 | +463.8% | 0.00% | – |
| Q1 2021 | $42,000 | – | 610 | – | 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% |