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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 176 | $653.8M |
| Q1 2026 | 186 | $677.8M |
| Q4 2025 | 195 | $1.06B |
| Q3 2025 | 173 | $608.3M |
| Q2 2025 | 152 | $541.8M |
| Q1 2025 | 180 | $516.3M |
| Q4 2024 | 197 | $706.4M |
| Q3 2024 | 185 | $736.9M |
| Q2 2024 | 159 | $549.4M |
| Q1 2024 | 151 | $553.2M |
| Q4 2023 | 153 | $515.4M |
| Q3 2023 | 135 | $391.0M |
| Q2 2023 | 130 | $316.6M |
| Q1 2023 | 148 | $501.9M |
| Q4 2022 | 153 | $522.0M |
| Q3 2022 | 157 | $569.8M |
| Q2 2022 | 146 | $495.0M |
| Q1 2022 | 160 | $1.02B |
| Q4 2021 | 159 | $918.6M |
| Q3 2021 | 188 | $1.42B |
| Q2 2021 | 182 | $1.52B |
| Q1 2021 | 175 | $1.46B |
Institutions, Q4 2022
Shares, value and share of portfolio for each institution holding Castle Biosciences Inc; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| UBS Group AG | 10,485 | $246.8K | 0.00% | +3,354+47.0% | Added |
| First Republic Investment Management, Inc. | 10,139 | $238.7K | 0.00% | −1,626−13.8% | Reduced |
| Claybrook Capital, LLC | 10,026 | $236.0K | 0.15% | 00.0% | Unchanged |
| Legal & General Group Plc | 9,820 | $231.2K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 9,634 | $226.8K | 0.00% | +139+1.5% | Added |
| Putnam Investments LLC | 8,717 | $205.2K | 0.00% | +8,717 | New |
| Susquehanna Fundamental Investments, LLC | 8,547 | $201.2K | 0.00% | +8,547 | New |
| Great West Life Assurance Co | 8,404 | $199.0K | 0.00% | +3,060+57.3% | Added |
| Quantbot Technologies LP | 7,874 | $185.4K | 0.01% | −4,869−38.2% | Reduced |
| DekaBank Deutsche Girozentrale | 7,900 | $183.0K | 0.00% | 00.0% | Unchanged |
| First Horizon Advisors, Inc. | 6,971 | $164.1K | 0.01% | −257−3.6% | Reduced |
| Barclays PLC | 6,588 | $155.1K | 0.00% | −18,646−73.9% | Reduced |
| Aquatic Capital Management LLC | 5,400 | $127.0K | 0.01% | −2,900−34.9% | Reduced |
| Rockefeller Capital Management L.P. | 4,294 | $101.0K | 0.00% | +154+3.7% | Added |
| Royal Bank of Canada | 4,227 | $99.0K | 0.00% | +1,120+36.0% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 3,888 | $91.5K | 0.00% | −36−0.9% | Reduced |
| Citigroup Inc | 3,472 | $81.7K | 0.00% | −83,501−96.0% | Reduced |
| Amalgamated Bank | 3,114 | $73.0K | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 2,750 | $64.7K | 0.00% | −985−26.4% | Reduced |
| Cullen/Frost Bankers, Inc. | 2,685 | $63.2K | 0.00% | −70−2.5% | Reduced |
| Advisor Group Holdings, Inc. | 2,464 | $59.0K | 0.00% | −60−2.4% | Reduced |
| Lazard Asset Management LLC | 2,183 | $51.0K | 0.00% | −1,910−46.7% | Reduced |
| Ameritas Investment Partners, Inc. | 1,671 | $45.1K | 0.00% | 00.0% | Unchanged |
| Assetmark, Inc | 1,500 | $35.3K | 0.00% | +1,025+215.8% | Added |
| Metropolitan Life Insurance Co | 1,410 | $33.2K | 0.00% | 00.0% | Unchanged |
| Ten Capital Wealth Advisors, LLC | 1,376 | $32.4K | 0.01% | +1,376 | New |
| FMR LLC | 774 | $18.2K | 0.00% | −7−0.9% | Reduced |
| Tower Research Capital LLC (TRC) | 465 | $11.0K | 0.00% | −1,356−74.5% | Reduced |
| GWM Advisors LLC | 398 | $9.37K | 0.00% | +398 | New |
| State of Wyoming | 386 | $9.09K | 0.00% | −2−0.5% | Reduced |
| Huntington National Bank | 370 | $8.71K | 0.00% | +77+26.3% | Added |
| China Universal Asset Management Co., Ltd. | 268 | $6.31K | 0.00% | +22+8.9% | Added |
| Baillie Gifford & Co | 225 | $5.30K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 220 | $5.18K | 0.00% | −3,363−93.9% | Reduced |
| Zions Bancorporation, N.A. | 213 | $5.01K | 0.00% | +213 | New |
| Creative Financial Designs Inc | 200 | $4.71K | 0.00% | −50−20.0% | Reduced |
| Nisa Investment Advisors, LLC | 164 | $4.00K | 0.00% | 00.0% | Unchanged |
| Raleigh Capital Management Inc. | 160 | $3.77K | 0.00% | +160 | New |
| Truvestments Capital LLC | 135 | $3.18K | 0.00% | +135 | New |
| Daiwa Securities Group Inc. | 86 | $2.00K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 80 | $1.88K | 0.00% | −61−43.3% | Reduced |
| Global Retirement Partners, LLC | 77 | $1.81K | 0.00% | 00.0% | Unchanged |
| Accurate Wealth Management, LLC | 61 | $1.51K | 0.00% | +61 | New |
| Private Trust Co NA | 60 | $1.00K | 0.00% | 00.0% | Unchanged |
| Missouri Trust & Investment Co | 19 | $1.00K | 0.00% | 00.0% | Unchanged |
| MBM Wealth Consultants, LLC | 48 | $1.00K | 0.00% | +48 | New |
| Park Place Capital Corp | 53 | $1.00K | 0.00% | +53 | New |
| Advisory Services Network, LLC | 38 | $895 | 0.00% | +38 | New |
| Manchester Capital Management LLC | 37 | $871 | 0.00% | +37 | New |
| SRS Capital Advisors, Inc. | 12 | $282 | 0.00% | +12 | New |
| Allworth Financial LP | 8 | $188 | 0.00% | 00.0% | Unchanged |
| Colonial Trust Advisors | 6 | $141 | 0.00% | +6 | New |
| IFP Advisors, Inc | 11 | – | – | +11 | New |
| Hallmark Capital Management Inc | 0 | $0 | 0.00% | −20−100.0% | Sold out |
| Soleus Capital Management, L.P. | 0 | $0 | 0.00% | −297,840−100.0% | Sold out |
| Segall Bryant & Hamill, LLC | 0 | $0 | 0.00% | −202,344−100.0% | Sold out |
| SEI Investments Co | 0 | $0 | 0.00% | −88,625−100.0% | Sold out |
| Russell Investments Group, Ltd. | 0 | $0 | 0.00% | −86,551−100.0% | Sold out |
| Voloridge Investment Management, LLC | 0 | $0 | 0.00% | −67,432−100.0% | Sold out |
| Millrace Asset Group, Inc. | 0 | $0 | 0.00% | −63,345−100.0% | Sold out |
| Altium Capital Management LP | 0 | $0 | 0.00% | −60,000−100.0% | Sold out |
| Calamos Advisors LLC | 0 | $0 | 0.00% | −38,876−100.0% | Sold out |
| Trexquant Investment LP | 0 | $0 | 0.00% | −31,616−100.0% | Sold out |
| Victory Capital Management Inc | 0 | $0 | 0.00% | −25,637−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −23,949−100.0% | Sold out |
| United Capital Financial Advisers, LLC | 0 | $0 | 0.00% | −18,054−100.0% | Sold out |
| Valmark Advisers, Inc. | 0 | $0 | 0.00% | −12,269−100.0% | Sold out |
| New York Life Investments Alternatives | 0 | $0 | 0.00% | −9,130−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −8,968−100.0% | Sold out |
| Mesirow Financial Investment Management, Inc. | 0 | $0 | 0.00% | −7,967−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −6,573−100.0% | Sold out |
| SG Americas Securities, LLC | 0 | $0 | 0.00% | −4,158−100.0% | Sold out |
| Ensign Peak Advisors, Inc | 0 | $0 | 0.00% | −3,090−100.0% | Sold out |
| PEAK6 Investments LLC | 0 | $0 | 0.00% | −2,875−100.0% | Sold out |
| Macquarie Group Ltd | 0 | $0 | 0.00% | −850−100.0% | Sold out |
| Point72 Hong Kong Ltd | 0 | $0 | 0.00% | −1,168−100.0% | Sold out |
| Almanack Investment Partners, LLC. | 0 | $0 | 0.00% | −270−100.0% | Sold out |
| Howe & Rusling Inc | 0 | $0 | 0.00% | −131−100.0% | Sold out |
| Capital Advisors, Ltd. LLC | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| FourThought Financial, LLC | – | – | – | – | Not filed |