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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.

Q3 2024 vs. Q2 2024

How the institutions holding Castle Biosciences Inc changed between Q2 2024 and Q3 2024.

All holders in Q3 2024All holders in Q2 2024

13F holders of CSTL: Q2 2024 compared with Q3 2024
MeasureQ2 2024Of which not filed for Q3 2024Q3 2024Change
Holders1591185+27
Shares25.2M3.04M25.8M+3.63M (+16.4%)
Value$549.4M$66.3M$736.9M+$253.8M (+52.5%)

1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (43)

Institutions that held Castle Biosciences Inc at the end of Q3 2024 but not at the end of Q2 2024.

Institutions new to CSTL in Q3 2024
InstitutionSharesValue% of portfolio
BlackRock, Inc.3,120,272$89.0M0.00%
Silvercrest Asset Management Group LLC201,921$5.76M0.04%
Shelton Capital Management164,008$4.68M0.12%
Allianz Asset Management GmbH70,553$2.01M0.00%
Qube Research & Technologies Ltd57,845$1.65M0.00%
Gsa Capital Partners LLP51,827$1.48M0.11%
Dynamic Technology Lab Private Ltd43,894$1.25M0.13%
Balyasny Asset Management LLC41,367$1.18M0.00%
SEI Investments Co37,874$1.08M0.00%
Jump Financial, LLC36,136$1.03M0.02%
Squarepoint Ops LLC35,459$1.01M0.00%
LPL Financial LLC26,464$754.8K0.00%
HRT Financial LP17,861$509.0K0.00%
Baader Bank INC17,300$493.4K0.04%
Winton Group Ltd16,526$471.3K0.03%
Sherbrooke Park Advisers LLC14,161$403.9K0.09%
Simplex Trading, LLC12,004$342.0K0.01%
Advantage Alpha Capital Partners LP10,940$312.0K0.07%
Brevan Howard Capital Management LP10,622$302.9K0.01%
Creative Planning10,472$298.7K0.00%
Caxton Associates LP9,876$281.7K0.01%
EntryPoint Capital, LLC9,282$264.7K0.15%
First Bank & Trust9,164$261.4K0.05%
Janus Henderson Group PLC9,137$260.6K0.00%
Cambridge Investment Research Advisors, Inc.9,102$260.0K0.00%
RSM US Wealth Management LLC9,155$257.2K0.00%
Counterpoint Mutual Funds LLC8,899$253.8K0.05%
Bailard, Inc.8,800$251.0K0.01%
Voya Investment Management LLC8,544$243.7K0.00%
Intech Investment Management LLC8,284$236.3K0.00%
Arizona State Retirement System7,552$215.4K0.00%
State Board of Administration of Florida Retirement System7,154$204.0K0.00%
Cornerstone Investment Partners, LLC7,085$202.1K0.01%
Point72 (DIFC) Ltd4,895$139.6K0.01%
Hanseatic Management Services Inc203$5.79K0.01%
Aster Capital Management (DIFC) Ltd115$3.28K0.00%
Coastline Trust Co100$2.85K0.00%
Massmutual Trust Co FSB90$2.57K0.00%
Sterling Capital Management LLC72$2.05K0.00%
Capital Performance Advisors LLP33$9410.00%
Continuum Advisory, LLC28$8630.00%
Jones Financial Companies LLLP25$6970.00%
National Bank of Canada1$290.00%

Sold out (16)

Institutions that held Castle Biosciences Inc at the end of Q2 2024 and filed for Q3 2024 without it.

Institutions that sold out of CSTL in Q3 2024
InstitutionShares, Q2 2024Value, Q2 2024
Susquehanna International Group, LLP35,979$783.3K
Knights of Columbus Asset Advisors LLC25,133$547.1K
Millrace Asset Group, Inc.17,506$381.0K
Royce & Associates LP15,365$334.5K
Premier Fund Managers Ltd14,783$312.0K
XTX Topco Ltd10,003$217.8K
Man Group plc9,600$209.0K
Caption Management, LLC5,600$121.9K
Harbour Investments, Inc.2,270$49.4K
Arcadia Investment Management Corp522$11.4K
Opal Wealth Advisors, LLC339$7.38K
Point72 Asia (Singapore) Pte. Ltd.253$5.50K
Ibex Wealth Advisors50$1.09K
Valley National Advisers Inc85$1.00K
EverSource Wealth Advisors, LLC7$169
Colonial Trust Advisors6$131

Not filed for Q3 2024 yet (1)

Institutions that held Castle Biosciences Inc at the end of Q2 2024 and haven't filed a 13F for Q3 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding CSTL in Q2 2024 that haven't filed for Q3 2024
InstitutionShares, Q2 2024Value, Q2 2024
BlackRock Inc.3,044,973$66.3M