CSTL

CASTLE BIOSCIENCES INC

Institutional Ownership · Q4 2025

Filing: Q4 2025

CASTLE BIOSCIENCES INC (CSTL) is held by 187 institutional investors with combined holdings of $1.0B. Major holders include BlackRock, Inc. (BLK), VANGUARD GROUP INC, RTW INVESTMENTS, LP.

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Institutional Holders

187

Total Value

$1.0B

Ownership %

87.1%

🏦 Top Institutional Holders

BlackRock, Inc. (BLK)

PRINCIPAL FINANCIAL GROUP INC (PFG)

1.8M shares

$70.3M

5.97% ownership

Portolan Capital Management, LLC

1.7M shares

$67.3M

5.71% ownership

📊 Financials

Income statement, balance sheet, and cash flow from SEC filings.

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