Free data · CSTL

Castle Biosciences Inc (CSTL) free float and shares outstanding

As of 2026-06-30, Datawiser estimates Castle Biosciences Inc (CSTL) free float at 96.0936%, using 30,329,952 shares outstanding and 1,184,795 excluded shares. The latest company-reported outstanding-share observation in this published snapshot is 30,549,507 shares as of 2026-07-23, sourced from a 10-Q filing.

Page data updated .

Free float
96.0936%
Free-float factor
0.960936
Estimate date

Free-float snapshot

Free float96.0936%
Free-float factor0.960936
As of
Shares outstanding used30,329,952
Excluded shares1,184,795

Latest company-reported shares outstanding

Shares outstanding30,549,507
As of
Observation typelatest_practicable_outstanding
Filing type10-Q
Security typeCommon Stock

The reported share count and Datawiser free-float estimate retain separate dates because they are independently selected observations.

Security identifiers

SecurityCastle Biosciences Ord Shs
TickerCSTL
Exchange MICXNMS
CurrencyUSD
FIGIBBG00PKS73L3

How to cite this page

Datawiser, “Castle Biosciences Inc (CSTL) free-float data,” free-float estimate as of 2026-06-30, https://datawiser.ai/free-data/cstl.

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