Which hedge funds own CSTL? CASTLE BIOSCIENCES INC, Q2 2026 13F holders
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6 of the hedge funds tracked by WhaleCreep disclosed a position in CSTL (CASTLE BIOSCIENCES INC) in their Q2 2026 13F filings, worth $31.6m in total. The largest holder by portfolio weight is Point72 Asset Management LP at 0.0% of its book. 1 manager opened a new position this quarter: Point72 Asset Management LP. 1 exited: Brevan Howard Capital Management.
6tracked managers holding
1opened this quarter
1exited this quarter
Which hedge funds hold CSTL? Current holders by portfolio weight
| Manager | As of | Weight of book | Value | Shares | Δ shares | Action |
|---|---|---|---|---|---|---|
| Point72 Asset Management LP | Q2 2026 | 0.0% | $8.5m | 357,317 | – | new |
| Renaissance Technologies LLC | Q2 2026 | 0.0% | $8.9m | 371,200 | -30% | reduced |
| Citadel Advisors | Q2 2026 | 0.0% | $6.3m | 265,353 | 119% | added |
| Millennium Management | Q2 2026 | 0.0% | $4.9m | 205,369 | -42% | reduced |
| D. E. Shaw & Co | Q2 2026 | 0.0% | $2.7m | 112,789 | -47% | reduced |
| Tudor Investment | Q2 2026 | 0.0% | $344.9k | 14,462 | -94% | reduced |
Exited since the previous quarter
| Manager | Prior weight | Prior value |
|---|---|---|
| Brevan Howard Capital Management | 0.0% | $455.6k |
How has hedge fund ownership of CSTL changed?
| Quarter | Managers holding | Combined value |
|---|---|---|
| Q2 2026 | 6 | $31.6m |
| Q1 2026 | 6 | $35.9m |
| Q4 2025 | 3 | $30.3m |
| Q3 2025 | 3 | $22.4m |
| Q2 2025 | 2 | $15.3m |
| Q1 2025 | 3 | $22.2m |
| Q4 2024 | 3 | $34.7m |
| Q3 2024 | 4 | $29.9m |
| Q2 2024 | 3 | $8.5m |
| Q1 2024 | 2 | $4.8m |
| Q4 2023 | 1 | $2.4m |
| Q3 2023 | 2 | $2.6m |
| Q2 2023 | 1 | $2.4m |
| Q1 2023 | 3 | $7.3m |
| Q4 2022 | 5 | $7.3m |
| Q3 2022 | 4 | $1.8m |
Counts every tracked manager that disclosed CSTL in that quarter's filing, including managers that have since stopped filing.