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 | $209,419 | +27.6% | 12,399 | +3.7% | 0.00% | 0.0% |
| Q2 2023 | $164,064 | -39.0% | 11,958 | +1.0% | 0.00% | -50.0% |
| Q1 2023 | $269,050 | -1.5% | 11,842 | +2.0% | 0.00% | 0.0% |
| Q4 2022 | $273,229 | -10.1% | 11,607 | -0.4% | 0.00% | 0.0% |
| Q3 2022 | $304,000 | +24.6% | 11,649 | +4.7% | 0.00% | 0.0% |
| Q2 2022 | $244,000 | -48.6% | 11,130 | +5.2% | 0.00% | -33.3% |
| Q1 2022 | $475,000 | -2.1% | 10,578 | -6.6% | 0.00% | +50.0% |
| Q4 2021 | $485,000 | -37.5% | 11,323 | -2.9% | 0.00% | -50.0% |
| Q3 2021 | $776,000 | -11.3% | 11,662 | -2.3% | 0.00% | +33.3% |
| Q2 2021 | $875,000 | +50.6% | 11,938 | +40.6% | 0.00% | +50.0% |
| Q1 2021 | $581,000 | +25.5% | 8,489 | +23.1% | 0.00% | 0.0% |
| Q4 2020 | $463,000 | +28.3% | 6,897 | -1.7% | 0.00% | 0.0% |
| Q3 2020 | $361,000 | +53.0% | 7,014 | +11.9% | 0.00% | +100.0% |
| Q2 2020 | $236,000 | +41.3% | 6,269 | +11.7% | 0.00% | 0.0% |
| Q1 2020 | $167,000 | +103.7% | 5,610 | +136.5% | 0.00% | – |
| Q4 2019 | $82,000 | +95.2% | 2,372 | +1.7% | 0.00% | – |
| Q3 2019 | $42,000 | – | 2,332 | – | 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% |