CASTLE BIOSCIENCES INC's ticker is CSTL and the CUSIP is 14843C105. A total of 181 filers reported holding CASTLE BIOSCIENCES INC in Q2 2021. The put-call ratio across all filers is 0.24 and the average weighting 0.1%.
Quarter-by-quarter ownership
| Value | Shares | Weighting | ||||
|---|---|---|---|---|---|---|
| Q3 2023 | $279 | +31.0% | 16,475 | +6.5% | 0.00% | – |
| Q2 2023 | $213 | -38.8% | 15,466 | +1.2% | 0.00% | – |
| Q1 2023 | $348 | -1.4% | 15,284 | +2.0% | 0.00% | – |
| Q4 2022 | $353 | -99.9% | 14,981 | -9.7% | 0.00% | – |
| Q3 2022 | $433,000 | +44.8% | 16,596 | +21.7% | 0.00% | – |
| Q2 2022 | $299,000 | -51.2% | 13,639 | -0.2% | 0.00% | – |
| Q1 2022 | $613,000 | +43.9% | 13,667 | +37.4% | 0.00% | – |
| Q4 2021 | $426,000 | -4.9% | 9,944 | +47.6% | 0.00% | – |
| Q3 2021 | $448,000 | +13.7% | 6,735 | +25.4% | 0.00% | – |
| Q2 2021 | $394,000 | +25.5% | 5,372 | +17.3% | 0.00% | – |
| Q1 2021 | $314,000 | +19.8% | 4,580 | +17.4% | 0.00% | – |
| Q4 2020 | $262,000 | – | 3,901 | – | 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% |