Skip to main content

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.

13F holders, Q4 2022

Institutional positions in Castle Biosciences Inc as of Dec 31, 2022. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
153
−3 vs. Q3 2022
Shares held
22.2M
+317.7K (+1.5%) vs. Q3 2022
Total value
$522.0M
−$47.8M (−8.4%) vs. Q3 2022
New holders
23
51 more added
Sold out
26
55 more reduced

1 institution that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2022: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting CSTL on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2022: 153 institutions
Q1 2021: 175 institutionsQ2 2021: 182 institutionsQ3 2021: 188 institutionsQ4 2021: 159 institutionsQ1 2022: 160 institutionsQ2 2022: 146 institutionsQ3 2022: 157 institutionsQ4 2022: 153 institutionsQ1 2023: 148 institutionsQ2 2023: 130 institutionsQ3 2023: 135 institutionsQ4 2023: 153 institutionsQ1 2024: 151 institutionsQ2 2024: 159 institutionsQ3 2024: 185 institutionsQ4 2024: 197 institutionsQ1 2025: 180 institutionsQ2 2025: 152 institutionsQ3 2025: 173 institutionsQ4 2025: 195 institutionsQ1 2026: 186 institutionsQ2 2026: 176 institutions
Value heldQ4 2022: $522.0M
Q1 2021: $1.46BQ2 2021: $1.52BQ3 2021: $1.42BQ4 2021: $918.6MQ1 2022: $1.02BQ2 2022: $495.0MQ3 2022: $569.8MQ4 2022: $522.0MQ1 2023: $501.9MQ2 2023: $316.6MQ3 2023: $391.0MQ4 2023: $515.4MQ1 2024: $553.2MQ2 2024: $549.4MQ3 2024: $736.9MQ4 2024: $706.4MQ1 2025: $516.3MQ2 2025: $541.8MQ3 2025: $608.3MQ4 2025: $1.06BQ1 2026: $677.8MQ2 2026: $653.8M
Institutions holding CSTL and their total value by quarter
QuarterHoldersValue
Q2 2026176$653.8M
Q1 2026186$677.8M
Q4 2025195$1.06B
Q3 2025173$608.3M
Q2 2025152$541.8M
Q1 2025180$516.3M
Q4 2024197$706.4M
Q3 2024185$736.9M
Q2 2024159$549.4M
Q1 2024151$553.2M
Q4 2023153$515.4M
Q3 2023135$391.0M
Q2 2023130$316.6M
Q1 2023148$501.9M
Q4 2022153$522.0M
Q3 2022157$569.8M
Q2 2022146$495.0M
Q1 2022160$1.02B
Q4 2021159$918.6M
Q3 2021188$1.42B
Q2 2021182$1.52B
Q1 2021175$1.46B

Institutions, Q4 2022

Shares, value and share of portfolio for each institution holding Castle Biosciences Inc; share changes are against Q3 2022.

Institutions holding CSTL in Q4 2022
InstitutionSharesValue% of portfolioChange in sharesAction
Colonial Trust Advisors6$1410.00%+6New
Allworth Financial LP8$1880.00%00.0%Unchanged
SRS Capital Advisors, Inc.12$2820.00%+12New
Manchester Capital Management LLC37$8710.00%+37New
Advisory Services Network, LLC38$8950.00%+38New
Private Trust Co NA60$1.00K0.00%00.0%Unchanged
Missouri Trust & Investment Co19$1.00K0.00%00.0%Unchanged
MBM Wealth Consultants, LLC48$1.00K0.00%+48New
Park Place Capital Corp53$1.00K0.00%+53New
Accurate Wealth Management, LLC61$1.51K0.00%+61New
Global Retirement Partners, LLC77$1.81K0.00%00.0%Unchanged
Lindbrook Capital, LLC80$1.88K0.00%−61−43.3%Reduced
Daiwa Securities Group Inc.86$2.00K0.00%00.0%Unchanged
Truvestments Capital LLC135$3.18K0.00%+135New
Raleigh Capital Management Inc.160$3.77K0.00%+160New
Nisa Investment Advisors, LLC164$4.00K0.00%00.0%Unchanged
Creative Financial Designs Inc200$4.71K0.00%−50−20.0%Reduced
Zions Bancorporation, N.A.213$5.01K0.00%+213New
US Bancorp220$5.18K0.00%−3,363−93.9%Reduced
Baillie Gifford & Co225$5.30K0.00%00.0%Unchanged
China Universal Asset Management Co., Ltd.268$6.31K0.00%+22+8.9%Added
Huntington National Bank370$8.71K0.00%+77+26.3%Added
State of Wyoming386$9.09K0.00%−2−0.5%Reduced
GWM Advisors LLC398$9.37K0.00%+398New
Tower Research Capital LLC (TRC)465$11.0K0.00%−1,356−74.5%Reduced
FMR LLC774$18.2K0.00%−7−0.9%Reduced
Ten Capital Wealth Advisors, LLC1,376$32.4K0.01%+1,376New
Metropolitan Life Insurance Co1,410$33.2K0.00%00.0%Unchanged
Assetmark, Inc1,500$35.3K0.00%+1,025+215.8%Added
Ameritas Investment Partners, Inc.1,671$45.1K0.00%00.0%Unchanged
Lazard Asset Management LLC2,183$51.0K0.00%−1,910−46.7%Reduced
Advisor Group Holdings, Inc.2,464$59.0K0.00%−60−2.4%Reduced
Cullen/Frost Bankers, Inc.2,685$63.2K0.00%−70−2.5%Reduced
The PNC Financial Services Group, Inc.2,750$64.7K0.00%−985−26.4%Reduced
Amalgamated Bank3,114$73.0K0.00%00.0%Unchanged
Citigroup Inc3,472$81.7K0.00%−83,501−96.0%Reduced
Zurcher Kantonalbank (Zurich Cantonalbank)3,888$91.5K0.00%−36−0.9%Reduced
Royal Bank of Canada4,227$99.0K0.00%+1,120+36.0%Added
Rockefeller Capital Management L.P.4,294$101.0K0.00%+154+3.7%Added
Aquatic Capital Management LLC5,400$127.0K0.01%−2,900−34.9%Reduced
Barclays PLC6,588$155.1K0.00%−18,646−73.9%Reduced
First Horizon Advisors, Inc.6,971$164.1K0.01%−257−3.6%Reduced
DekaBank Deutsche Girozentrale7,900$183.0K0.00%00.0%Unchanged
Quantbot Technologies LP7,874$185.4K0.01%−4,869−38.2%Reduced
Great West Life Assurance Co8,404$199.0K0.00%+3,060+57.3%Added
Susquehanna Fundamental Investments, LLC8,547$201.2K0.00%+8,547New
Putnam Investments LLC8,717$205.2K0.00%+8,717New
Manufacturers Life Insurance Company, The9,634$226.8K0.00%+139+1.5%Added
Legal & General Group Plc9,820$231.2K0.00%00.0%Unchanged
Claybrook Capital, LLC10,026$236.0K0.15%00.0%Unchanged
First Republic Investment Management, Inc.10,139$238.7K0.00%−1,626−13.8%Reduced
UBS Group AG10,485$246.8K0.00%+3,354+47.0%Added
Deutsche Bank AG10,895$256.5K0.00%+162+1.5%Added
Mirae Asset Global Investments Co., Ltd.10,931$257.3K0.00%+11+0.1%Added
State Board of Administration of Florida Retirement System10,954$257.9K0.00%−5,510−33.5%Reduced
Versor Investments LP11,275$265.4K0.02%+2,258+25.0%Added
Prudential Financial Inc11,465$269.9K0.00%+11,465New
American International Group, Inc.11,607$273.2K0.00%−42−0.4%Reduced
TownSquare Capital, LLC12,160$286.2K0.01%+12,160New
Baird Financial Group, Inc.12,194$287.0K0.00%−155−1.3%Reduced
MetLife Investment Management12,369$291.2K0.00%00.0%Unchanged
Cambridge Investment Research Advisors, Inc.12,501$294.0K0.00%−501−3.9%Reduced
Pictet & Cie (Europe) SA12,618$297.0K0.01%−3,339−20.9%Reduced
Polar Capital Holdings Plc13,398$315.4K0.00%−35,587−72.6%Reduced
Squarepoint Ops LLC13,698$322.5K0.00%−41,229−75.1%Reduced
Price T Rowe Associates Inc14,981$353.0K0.00%−1,615−9.7%Reduced
Capital Impact Advisors, LLC15,452$363.7K0.36%+997+6.9%Added
Legato Capital Management LLC18,496$435.4K0.08%+18,496New
Occudo Quantitative Strategies LP19,056$448.6K0.05%−3,330−14.9%Reduced
Invesco Ltd.19,123$450.2K0.00%−326,856−94.5%Reduced
Jump Financial, LLC19,300$454.3K0.02%−1,006−5.0%Reduced
Signaturefd, LLC19,397$456.6K0.01%00.0%Unchanged
STRS Ohio20,400$480.0K0.00%00.0%Unchanged
Fan Yu20,592$484.7K6.49%00.0%Unchanged
Covenant Partners, LLC21,279$500.9K0.20%00.0%Unchanged
Los Angeles Capital Management LLC21,636$509.3K0.00%−229−1.0%Reduced
Parallel Advisors, LLC22,069$519.5K0.02%−22−0.1%Reduced
Renaissance Technologies LLC22,100$520.0K0.00%+5,100+30.0%Added
Envestnet Asset Management Inc22,392$527.1K0.00%−254−1.1%Reduced
Alliancebernstein L.P.22,500$529.6K0.00%00.0%Unchanged
Prelude Capital Management, LLC23,144$544.8K0.03%00.0%Unchanged
Credit Suisse AG23,172$545.5K0.00%+7,233+45.4%Added
Wells Fargo & Company24,081$566.9K0.00%+19,979+487.1%Added
Knights of Columbus Asset Advisors LLC25,791$607.1K0.06%−273−1.0%Reduced
Simon Quick Advisors, LLC26,000$612.0K0.07%00.0%Unchanged
Gsa Capital Partners LLP26,896$633.0K0.08%−38,353−58.8%Reduced
Graham Capital Management, L.P.26,935$634.0K0.02%−17,862−39.9%Reduced
Connor, Clark & Lunn Investment Management Ltd.28,144$662.5K0.00%+5,053+21.9%Added
D. E. Shaw & Co., Inc.28,937$681.2K0.00%+1,405+5.1%Added
Bridgewater Associates, LP29,167$686.6K0.00%−8,554−22.7%Reduced
California State Teachers Retirement System29,221$687.9K0.00%+323+1.1%Added
Perkins Capital Management Inc31,110$732.0K0.77%00.0%Unchanged
Advisors Capital Management, LLC31,211$735.0K0.02%+4,316+16.0%Added
Brinker Capital Investments, LLC32,824$772.7K0.02%−3,636−10.0%Reduced
Cubist Systematic Strategies, LLC33,434$787.0K0.01%−20,159−37.6%Reduced
ABG Innovation Capital Partners III GP Ltd33,626$791.6K60.43%00.0%Unchanged
JPMorgan Chase & Co35,398$833.0K0.00%+2,449+7.4%Added
King Luther Capital Management Corp36,306$854.6K0.00%−9,540−20.8%Reduced
Candriam Luxembourg S.C.A.37,595$884.9K0.01%+3,172+9.2%Added
Premier Fund Managers Ltd38,502$892.0K0.03%−13,780−26.4%Reduced