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 | $237,102 | +59.1% | 14,038 | +29.3% | 0.00% | – |
| Q2 2023 | $149,013 | -56.9% | 10,861 | -28.7% | 0.00% | – |
| Q1 2023 | $346,049 | +34.9% | 15,231 | +39.8% | 0.00% | – |
| Q4 2022 | $256,468 | -8.4% | 10,895 | +1.5% | 0.00% | – |
| Q3 2022 | $280,000 | +13.4% | 10,733 | -4.5% | 0.00% | – |
| Q2 2022 | $247,000 | -55.0% | 11,243 | -8.2% | 0.00% | – |
| Q1 2022 | $549,000 | -7.3% | 12,252 | -11.3% | 0.00% | – |
| Q4 2021 | $592,000 | -61.0% | 13,810 | -39.5% | 0.00% | -100.0% |
| Q3 2021 | $1,519,000 | +34.8% | 22,834 | +48.5% | 0.00% | 0.0% |
| Q2 2021 | $1,127,000 | +40.5% | 15,372 | +31.2% | 0.00% | – |
| Q1 2021 | $802,000 | +15.7% | 11,714 | +13.4% | 0.00% | – |
| Q4 2020 | $693,000 | +48.4% | 10,331 | +13.8% | 0.00% | – |
| Q3 2020 | $467,000 | +144.5% | 9,075 | +79.3% | 0.00% | – |
| Q2 2020 | $191,000 | +92.9% | 5,060 | +51.8% | 0.00% | – |
| Q1 2020 | $99,000 | +125.0% | 3,333 | +153.7% | 0.00% | – |
| Q4 2019 | $44,000 | +175.0% | 1,314 | +28.4% | 0.00% | – |
| Q3 2019 | $16,000 | – | 1,023 | – | 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% |