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Castle Biosciences Inc

CSTL
Exchange
Nasdaq
Industry
Services-Medical Laboratories
SEC CIK
0001447362

In the last 90 days, Castle Biosciences Inc insiders filed 0 open-market purchases and 21 sales; 176 institutions reported holding it in 13F filings for Q2 2026, worth $653.8M in total; no superinvestor holds it.

Q2 2023 vs. Q1 2023

How the institutions holding Castle Biosciences Inc changed between Q1 2023 and Q2 2023.

All holders in Q2 2023All holders in Q1 2023

13F holders of CSTL: Q1 2023 compared with Q2 2023
MeasureQ1 2023Q2 2023Change
Holders148130−18
Shares22.1M23.0M+876.4K (+4.0%)
Value$501.9M$316.6M−$185.3M (−36.9%)

New holders (16)

Institutions that held Castle Biosciences Inc at the end of Q2 2023 but not at the end of Q1 2023.

Institutions new to CSTL in Q2 2023
InstitutionSharesValue% of portfolio
Jacobs Levy Equity Management, Inc258,151$3.54M0.02%
Parkman Healthcare Partners LLC148,002$2.03M0.35%
Numerai GP LLC67,200$922.0K0.19%
Jane Street Group, LLC23,162$317.8K0.00%
DFPG Investments, LLC16,152$275.6K0.02%
Verition Fund Management LLC17,642$242.0K0.00%
Point72 Middle East FZE15,728$215.8K0.01%
Commonwealth Equity Services, LLC15,296$210.0K0.00%
Harbor Capital Advisors, Inc.14,264$195.7K0.04%
American Century Companies Inc13,430$184.3K0.00%
Channing Capital Management, LLC13,403$183.9K0.01%
Truist Financial Corp12,899$177.0K0.00%
Qube Research & Technologies Ltd12,699$174.2K0.00%
Russell Investments Group, Ltd.7,720$105.9K0.00%
BerganKDV Wealth Management, LLC525$7.20K0.00%
Bollard Group LLC139$2.00K0.00%

Sold out (34)

Institutions that held Castle Biosciences Inc at the end of Q1 2023 and filed for Q2 2023 without it.