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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 20 sales; 176 institutions reported holding it in 13F filings for Q2 2026, worth $653.8M in total; no superinvestor holds it.

Q2 2024 vs. Q1 2024

How the institutions holding Castle Biosciences Inc changed between Q1 2024 and Q2 2024.

All holders in Q2 2024All holders in Q1 2024

13F holders of CSTL: Q1 2024 compared with Q2 2024
MeasureQ1 2024Of which not filed for Q2 2024Q2 2024Change
Holders1511159+9
Shares25.0M35.8K25.2M+295.8K (+1.2%)
Value$553.2M$793.2K$549.4M−$3.06M (−0.6%)

1 institution that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so the changes leave them out.

New holders (32)

Institutions that held Castle Biosciences Inc at the end of Q2 2024 but not at the end of Q1 2024.

Institutions new to CSTL in Q2 2024
InstitutionSharesValue% of portfolio
Braidwell LP416,100$9.06M0.28%
Pura Vida Investments, LLC153,386$3.34M4.04%
Boothbay Fund Management, LLC100,000$2.18M0.07%
Lisanti Capital Growth, LLC96,550$2.10M0.51%
Point72 Asset Management, L.P.53,777$1.17M0.00%
ExodusPoint Capital Management, LP40,135$874.0K0.01%
CWM Advisors, LLC37,167$809.1K0.09%
Jane Street Group, LLC37,024$806.0K0.00%
Fan Yu36,747$800.0K1.05%
Susquehanna International Group, LLP35,979$783.3K0.00%
Campbell & CO Investment Adviser LLC27,033$588.5K0.05%
SG Americas Securities, LLC26,989$588.0K0.00%
Summit Global Investments23,812$518.0K0.03%
Cresset Asset Management, LLC18,710$407.3K0.00%
Diversify Wealth Management, LLC14,756$322.4K0.04%
Thrivent Financial for Lutherans14,738$321.0K0.00%
Legato Capital Management LLC14,155$308.2K0.04%
Corebridge Financial, Inc.13,917$303.0K0.00%
Mirae Asset Global ETFs Holdings Ltd.13,016$283.4K0.00%
XTX Topco Ltd10,003$217.8K0.02%
Caption Management, LLC5,600$121.9K0.01%
Harbour Investments, Inc.2,270$49.4K0.00%
Coppell Advisory Solutions LLC2,043$44.5K0.01%
C M Bidwell & Associates Ltd1,655$36.0K0.02%
Opal Wealth Advisors, LLC339$7.38K0.00%
Point72 Asia (Singapore) Pte. Ltd.253$5.50K0.00%
Financial Network Wealth Advisors LLC113$2.46K0.00%
Ibex Wealth Advisors50$1.09K0.00%
SRS Capital Advisors, Inc.31$6750.00%
Rothschild Investment LLC15$3270.00%
EverSource Wealth Advisors, LLC7$1690.00%
Planning Capital Management Corp1$220.00%

Sold out (23)

Institutions that held Castle Biosciences Inc at the end of Q1 2024 and filed for Q2 2024 without it.

Institutions that sold out of CSTL in Q2 2024
InstitutionShares, Q1 2024Value, Q1 2024
Banque Pictet & Cie SA166,881$3.70M
Invenomic Capital Management LP166,714$3.69M
Polar Asset Management Partners Inc.60,800$1.35M
Gsa Capital Partners LLP52,448$1.16M
AQR Capital Management LLC22,795$504.9K
Capital Impact Advisors, LLC22,713$503.1K
Sherbrooke Park Advisers LLC20,825$461.3K
Two Sigma Advisers, LP19,000$420.9K
Los Angeles Capital Management LLC18,201$403.2K
New York Life Investment Management LLC16,516$365.8K
HRT Financial LP15,011$332.0K
Balyasny Asset Management LLC14,748$326.7K
D. E. Shaw & Co., Inc.13,382$296.4K
Pictet & Cie (Europe) SA12,897$285.7K
Diversify Advisory Services, LLC12,498$278.1K
American International Group, Inc.12,244$271.2K
State Board of Administration of Florida Retirement System10,954$248.9K
Versor Investments LP10,238$226.8K
Janus Henderson Group PLC9,266$205.0K
Denali Advisors LLC8,400$186.1K
Metropolitan Life Insurance Co1,410$31.2K
The PNC Financial Services Group, Inc.38$842
Simplex Trading, LLC6$0

Not filed for Q2 2024 yet (1)

Institutions that held Castle Biosciences Inc at the end of Q1 2024 and haven't filed a 13F for Q2 2024. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding CSTL in Q1 2024 that haven't filed for Q2 2024
InstitutionShares, Q1 2024Value, Q1 2024
Credit Suisse AG35,809$793.2K