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
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% |