CASTLE BIOSCIENCES INC's ticker is CSTL and the CUSIP is 14843C105. A total of 189 filers reported holding CASTLE BIOSCIENCES INC in Q3 2021. The put-call ratio across all filers is 0.34 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 | $738,000 | 54.91% |
| Yu Fan | 20,592 | $452,000 | 6.99% |
| Stonepine Capital Management, LLC | 295,372 | $6,483,000 | 3.02% |
| ESSEX INVESTMENT MANAGEMENT CO LLC | 417,795 | $9,171,000 | 1.48% |
| Greenhouse Funds LLLP | 437,088 | $9,594,000 | 1.06% |
| Monarch Partners Asset Management LLC | 133,042 | $2,920,000 | 0.82% |
| PERKINS CAPITAL MANAGEMENT INC | 33,170 | $728,000 | 0.75% |
| Granahan Investment Management | 906,764 | $19,903,000 | 0.68% |
| RTW INVESTMENTS, LP | 913,789 | $20,058,000 | 0.52% |
| WASATCH ADVISORS LP | 3,705,518 | $81,336,000 | 0.51% |