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CSTL
2 quarters

Position history for RTW INVESTMENTS, LP's holdings in CASTLE BIOSCIENCES INC

RTW INVESTMENTS, LP holds 2.8M shares of CSTL (CASTLE BIOSCIENCES INC), worth $67.7M as of 2026-Q1. The position was increased (+30.4% shares). CSTL represents 0.7% of RTW INVESTMENTS, LP's portfolio.

Current Value

$67.7M

Current Shares

2.8M

Total Value Change

-$14.6M

Total Shares Change

+643,098

Quarter-by-Quarter History
QuarterActionSharesChangeValueWeightPriceConviction
2026-Q1
Latest
Increased
2.8M
+30.4%
$67.7M0.7%$27.57
53
2025-Q4
New
2.1M
-
$82.3M0.8%$39.31
58

Other major holders of CSTL: ARK Investment Management LLC, WASATCH ADVISORS LP

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