Who Owns CASTLE BIOSCIENCES INC (CSTL)? -- Institutional Holders (2026-06-30)

204 institutions reported holding $659.9M of CASTLE BIOSCIENCES INC (CSTL) in SEC 13F filings for 2026-06-30. Largest institutional holders: BlackRock, Inc. ($78.5M), RTW INVESTMENTS, LP ($66.3M), VANGUARD GROUP INC ($54.9M), PRINCIPAL FINANCIAL GROUP INC ($41.2M), ACADIAN ASSET MANAGEMENT LLC ($21.9M). Source: SEC Form 13F.

RankInstitutionValueSharesChange
1BlackRock, Inc.$78.5M3.3MAdded
2RTW INVESTMENTS, LP$66.3M2.8MAdded
3VANGUARD GROUP INC$54.9M2.3MAdded
4PRINCIPAL FINANCIAL GROUP INC$41.2M1.7MTrimmed
5ACADIAN ASSET MANAGEMENT LLC$21.9M918,668Added
6Allianz Asset Management GmbH$21.0M879,258Added
7SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC$19.7M824,872Trimmed
8STATE STREET CORP$19.6M822,079Added
9GEODE CAPITAL MANAGEMENT, LLC$19.0M795,912Added
10MACKENZIE FINANCIAL CORP$18.9M793,507Added
11DIMENSIONAL FUND ADVISORS LP$18.9M791,085Trimmed
12Jefferies Financial Group Inc.$15.4M647,391New
13Qube Research & Technologies Ltd$14.1M589,300Added
14AIGH Capital Management LLC$13.0M545,101Trimmed
15RENAISSANCE TECHNOLOGIES LLC$8.9M371,200Trimmed
16GOLDMAN SACHS GROUP INC$8.5M358,397Added
17Point72 Asset Management, L.P.$8.5M357,317New
18KENNEDY CAPITAL MANAGEMENT LLC$8.3M348,371New
19Connor, Clark & Lunn Investment Management Ltd.$7.9M331,727Trimmed
20MORGAN STANLEY$7.9M329,684Trimmed
21Portolan Capital Management, LLC$7.8M328,818Trimmed
22PANAGORA ASSET MANAGEMENT INC$7.2M301,040Added
23Allspring Global Investments Holdings, LLC$7.0M292,470Added
24NORTHERN TRUST CORP$6.8M285,158Added
25WASATCH ADVISORS LP$6.7M279,349Trimmed

Source: SEC Form 13F filings · as of 2026-06-30