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 2023
Institutional positions in Castle Biosciences Inc as of Dec 31, 2023. 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
- +19 vs. Q3 2023
- Shares held
- 23.9M
- +742.8K (+3.2%) vs. Q3 2023
- Total value
- $515.4M
- +$124.6M (+31.9%) vs. Q3 2023
- New holders
- 37
- 55 more added
- Sold out
- 18
- 45 more reduced
1 institution that held it in Q3 2023 haven't filed for Q4 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2023: 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 2023
Shares, value and share of portfolio for each institution holding Castle Biosciences Inc; share changes are against Q3 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Truist Financial Corp | 11,630 | $251.0K | 0.00% | −1,467−11.2% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 11,589 | $250.1K | 0.00% | +42+0.4% | Added |
| Trexquant Investment LP | 11,491 | $248.0K | 0.01% | −138−1.2% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 10,593 | $228.6K | 0.02% | +10,593 | New |
| Lido Advisors, LLC | 10,524 | $227.1K | 0.00% | +10,524 | New |
| Voya Investment Management LLC | 10,187 | $219.8K | 0.00% | +10,187 | New |
| Birchview Capital, LP | 10,000 | $215.8K | 0.17% | +10,000 | New |
| Manufacturers Life Insurance Company, The | 9,950 | $214.7K | 0.00% | −395−3.8% | Reduced |
| Royal Bank of Canada | 9,839 | $212.0K | 0.00% | +5,380+120.7% | Added |
| Janus Henderson Group PLC | 9,270 | $200.1K | 0.00% | +9,270 | New |
| Advisor Group Holdings, Inc. | 8,339 | $179.8K | 0.00% | +1,779+27.1% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 8,192 | $176.8K | 0.00% | +1,395+20.5% | Added |
| Wells Fargo & Company | 7,947 | $171.5K | 0.00% | +1,546+24.2% | Added |
| First Horizon Advisors, Inc. | 7,853 | $169.5K | 0.01% | −250−3.1% | Reduced |
| WuXi AppTec Co., Ltd. | 6,636 | $143.2K | 0.37% | +6,636 | New |
| Allspring Global Investments Holdings, LLC | 5,739 | $123.8K | 0.00% | +5,189+943.5% | Added |
| Citigroup Inc | 5,585 | $120.5K | 0.00% | +2,855+104.6% | Added |
| Tower Research Capital LLC (TRC) | 5,343 | $115.3K | 0.00% | +4,366+446.9% | Added |
| Assetmark, Inc | 4,736 | $102.2K | 0.00% | +832+21.3% | Added |
| China Universal Asset Management Co., Ltd. | 3,110 | $67.1K | 0.01% | +2,421+351.4% | Added |
| Amalgamated Bank | 2,683 | $58.0K | 0.00% | −248−8.5% | Reduced |
| Ameritas Investment Partners, Inc. | 2,450 | $52.9K | 0.00% | 00.0% | Unchanged |
| O'Dell Group, LLC | 2,041 | $44.0K | 0.01% | +2,041 | New |
| Metropolitan Life Insurance Co | 1,410 | $30.4K | 0.00% | 00.0% | Unchanged |
| Coppell Advisory Solutions LLC | 1,190 | $25.7K | 0.01% | +1,190 | New |
| Global Retirement Partners, LLC | 1,105 | $21.4K | 0.00% | +1,078+3,992.6% | Added |
| FMR LLC | 945 | $20.4K | 0.00% | −65−6.4% | Reduced |
| State of Wyoming | 930 | $20.1K | 0.00% | +116+14.3% | Added |
| Ronald Blue Trust, Inc. | 956 | $16.0K | 0.00% | 00.0% | Unchanged |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 726 | $15.7K | 0.00% | 00.0% | Unchanged |
| RiverPark Advisors, LLC | 619 | $13.4K | 0.01% | +619 | New |
| Arcadia Investment Management Corp | 522 | $11.3K | 0.00% | +522 | New |
| Nisa Investment Advisors, LLC | 320 | $6.91K | 0.00% | −537−62.7% | Reduced |
| US Bancorp | 301 | $6.50K | 0.00% | +23+8.3% | Added |
| MCF Advisors LLC | 258 | $5.57K | 0.00% | +258 | New |
| GWM Advisors LLC | 250 | $5.39K | 0.00% | +250 | New |
| Sound Income Strategies, LLC | 250 | $5.39K | 0.00% | +250 | New |
| Principal Securities, Inc. | 183 | $3.95K | 0.00% | +183 | New |
| Lindbrook Capital, LLC | 172 | $3.71K | 0.00% | +172 | New |
| Macroview Investment Management LLC | 133 | $2.87K | 0.00% | −448−77.1% | Reduced |
| Daiwa Securities Group Inc. | 86 | $2.00K | 0.00% | 00.0% | Unchanged |
| BFSG, LLC | 90 | $1.94K | 0.00% | +90 | New |
| Valley National Advisers Inc | 65 | $1.00K | 0.00% | +65 | New |
| Group One Trading, L.P. | 41 | $885 | 0.00% | 00.0% | Unchanged |
| The PNC Financial Services Group, Inc. | 38 | $820 | 0.00% | −2,226−98.3% | Reduced |
| GAMMA Investing LLC | 21 | $485 | 0.00% | +21 | New |
| Missouri Trust & Investment Co | 19 | $410 | 0.00% | 00.0% | Unchanged |
| Tfo-TDC, LLC | 15 | $324 | 0.00% | 00.0% | Unchanged |
| Fairman Group, LLC | 13 | $281 | 0.00% | +13 | New |
| Colonial Trust Advisors | 6 | $129 | 0.00% | 00.0% | Unchanged |
| Farther Finance Advisors, LLC | 5 | $108 | 0.00% | +5 | New |
| Huntington National Bank | 1 | $22 | 0.00% | −363−99.7% | Reduced |
| GW&K Investment Management, LLC | 15 | $0 | 0.00% | −493,967−100.0% | Reduced |
| Walleye Capital LLC | 0 | $0 | 0.00% | −170,786−100.0% | Sold out |
| Point72 Asset Management, L.P. | 0 | $0 | 0.00% | −44,200−100.0% | Sold out |
| Alpha DNA Investment Management LLC | 0 | $0 | 0.00% | −29,399−100.0% | Sold out |
| Signaturefd, LLC | 0 | $0 | 0.00% | −28,358−100.0% | Sold out |
| AE Wealth Management LLC | 0 | $0 | 0.00% | −26,182−100.0% | Sold out |
| Mach-1 Financial Group, Inc. | 0 | $0 | 0.00% | −26,034−100.0% | Sold out |
| Channing Capital Management, LLC | 0 | $0 | 0.00% | −13,403−100.0% | Sold out |
| Verition Fund Management LLC | 0 | $0 | 0.00% | −12,942−100.0% | Sold out |
| Commonwealth Equity Services, LLC | 0 | $0 | 0.00% | −11,274−100.0% | Sold out |
| BluePath Capital Management, LLC | 0 | $0 | 0.00% | −1,811−100.0% | Sold out |
| Point72 Middle East FZE | 0 | $0 | 0.00% | −695−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −260−100.0% | Sold out |
| Private Trust Co NA | 0 | $0 | 0.00% | −60−100.0% | Sold out |
| Park Place Capital Corp | 0 | $0 | 0.00% | −53−100.0% | Sold out |
| Allworth Financial LP | 0 | $0 | 0.00% | −41−100.0% | Sold out |
| Comerica Bank | 0 | $0 | 0.00% | −21−100.0% | Sold out |
| SRS Capital Advisors, Inc. | 0 | $0 | 0.00% | −12−100.0% | Sold out |
| CWM, LLC | 0 | $0 | 0.00% | −25−100.0% | Sold out |
| Claybrook Capital, LLC | – | – | – | – | Not filed |