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, Q3 2023
Institutional positions in Castle Biosciences Inc as of Sep 30, 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
- 135
- +6 vs. Q2 2023
- Shares held
- 23.2M
- +181.5K (+0.8%) vs. Q2 2023
- Total value
- $391.0M
- +$74.4M (+23.5%) vs. Q2 2023
- New holders
- 22
- 52 more added
- Sold out
- 16
- 41 more reduced
1 institution that held it in Q2 2023 haven't filed for Q3 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2023
Shares, value and share of portfolio for each institution holding Castle Biosciences Inc; share changes are against Q2 2023.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| CWM, LLC | 25 | $0 | 0.00% | +25 | New |
| Colonial Trust Advisors | 6 | $101 | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 12 | $203 | 0.00% | 00.0% | Unchanged |
| Tfo-TDC, LLC | 15 | $206 | 0.00% | +15 | New |
| Missouri Trust & Investment Co | 19 | $321 | 0.00% | 00.0% | Unchanged |
| Comerica Bank | 21 | $355 | 0.00% | +21 | New |
| Global Retirement Partners, LLC | 27 | $416 | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 41 | $692 | 0.00% | +41 | New |
| Allworth Financial LP | 41 | $693 | 0.00% | −33−44.6% | Reduced |
| Park Place Capital Corp | 53 | $895 | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 86 | $1.00K | 0.00% | 00.0% | Unchanged |
| Private Trust Co NA | 60 | $1.01K | 0.00% | 00.0% | Unchanged |
| Simplex Trading, LLC | 260 | $4.00K | 0.00% | +260 | New |
| US Bancorp | 278 | $4.70K | 0.00% | −1−0.4% | Reduced |
| Huntington National Bank | 364 | $6.15K | 0.00% | +6+1.7% | Added |
| Allspring Global Investments Holdings, LLC | 550 | $9.29K | 0.00% | −377,837−99.9% | Reduced |
| Macroview Investment Management LLC | 581 | $9.81K | 0.01% | +581 | New |
| China Universal Asset Management Co., Ltd. | 689 | $11.6K | 0.00% | +339+96.9% | Added |
| Point72 Middle East FZE | 695 | $11.7K | 0.00% | −15,033−95.6% | Reduced |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 726 | $12.3K | 0.00% | +726 | New |
| Ronald Blue Trust, Inc. | 956 | $13.0K | 0.00% | +956 | New |
| State of Wyoming | 814 | $13.7K | 0.00% | +288+54.8% | Added |
| Nisa Investment Advisors, LLC | 857 | $14.5K | 0.00% | −163−16.0% | Reduced |
| Tower Research Capital LLC (TRC) | 977 | $16.5K | 0.00% | −10−1.0% | Reduced |
| FMR LLC | 1,010 | $17.1K | 0.00% | +349+52.8% | Added |
| Metropolitan Life Insurance Co | 1,410 | $23.8K | 0.00% | 00.0% | Unchanged |
| BluePath Capital Management, LLC | 1,811 | $30.6K | 0.03% | +1,811 | New |
| The PNC Financial Services Group, Inc. | 2,264 | $38.2K | 0.00% | −337−13.0% | Reduced |
| Ameritas Investment Partners, Inc. | 2,450 | $41.4K | 0.00% | +779+46.6% | Added |
| Citigroup Inc | 2,730 | $46.1K | 0.00% | −8,443−75.6% | Reduced |
| Amalgamated Bank | 2,931 | $50.0K | 0.00% | 00.0% | Unchanged |
| Assetmark, Inc | 3,904 | $65.9K | 0.00% | +994+34.2% | Added |
| Royal Bank of Canada | 4,459 | $76.0K | 0.00% | +1,579+54.8% | Added |
| Wells Fargo & Company | 6,401 | $108.1K | 0.00% | −5,011−43.9% | Reduced |
| Advisor Group Holdings, Inc. | 6,560 | $110.8K | 0.00% | +2,934+80.9% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 6,797 | $114.8K | 0.00% | +2,909+74.8% | Added |
| First Horizon Advisors, Inc. | 8,103 | $136.9K | 0.00% | +672+9.0% | Added |
| Barclays PLC | 8,982 | $151.7K | 0.00% | −528−5.6% | Reduced |
| Harbor Capital Advisors, Inc. | 9,747 | $164.6K | 0.04% | −4,517−31.7% | Reduced |
| Claybrook Capital, LLC | 10,026 | $169.3K | 0.10% | −3,500−25.9% | Reduced |
| Manufacturers Life Insurance Company, The | 10,345 | $174.7K | 0.00% | 00.0% | Unchanged |
| Great West Life Assurance Co | 11,233 | $189.0K | 0.00% | 00.0% | Unchanged |
| Commonwealth Equity Services, LLC | 11,274 | $190.0K | 0.00% | −4,022−26.3% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 11,547 | $195.0K | 0.00% | +27+0.2% | Added |
| Trexquant Investment LP | 11,629 | $196.4K | 0.00% | +11,629 | New |
| MetLife Investment Management | 12,369 | $208.9K | 0.00% | 00.0% | Unchanged |
| American International Group, Inc. | 12,399 | $209.4K | 0.00% | +441+3.7% | Added |
| Two Sigma Investments, LP | 12,800 | $216.2K | 0.00% | −19,100−59.9% | Reduced |
| Verition Fund Management LLC | 12,942 | $218.6K | 0.00% | −4,700−26.6% | Reduced |
| Truist Financial Corp | 13,097 | $221.2K | 0.00% | +198+1.5% | Added |
| Channing Capital Management, LLC | 13,403 | $226.4K | 0.01% | 00.0% | Unchanged |
| Deutsche Bank AG | 14,038 | $237.1K | 0.00% | +3,177+29.3% | Added |
| Pictet & Cie (Europe) SA | 14,079 | $237.8K | 0.01% | +1,813+14.8% | Added |
| AQR Capital Management LLC | 14,443 | $243.9K | 0.00% | +14,443 | New |
| Versor Investments LP | 14,543 | $245.6K | 0.05% | +14,543 | New |
| DFPG Investments, LLC | 14,415 | $246.9K | 0.02% | −1,737−10.8% | Reduced |
| Price T Rowe Associates Inc | 16,475 | $279.0K | 0.00% | +1,009+6.5% | Added |
| Capital Impact Advisors, LLC | 16,554 | $279.6K | 0.47% | 00.0% | Unchanged |
| American Century Companies Inc | 17,631 | $297.8K | 0.00% | +4,201+31.3% | Added |
| UBS Group AG | 18,041 | $304.7K | 0.00% | +736+4.3% | Added |
| Legal & General Group Plc | 20,364 | $343.9K | 0.00% | −245−1.2% | Reduced |
| Jane Street Group, LLC | 20,791 | $351.2K | 0.00% | −2,371−10.2% | Reduced |
| Los Angeles Capital Management LLC | 21,185 | $357.8K | 0.00% | +21,185 | New |
| Royce & Associates LP | 22,809 | $385.2K | 0.00% | +22,809 | New |
| Jump Financial, LLC | 24,000 | $405.4K | 0.02% | +4,300+21.8% | Added |
| Putnam Investments LLC | 25,795 | $435.7K | 0.00% | +10,283+66.3% | Added |
| TownSquare Capital, LLC | 25,983 | $438.9K | 0.01% | −11,711−31.1% | Reduced |
| Mach-1 Financial Group, Inc. | 26,034 | $439.7K | 0.18% | +26,034 | New |
| AE Wealth Management LLC | 26,182 | $442.2K | 0.00% | +26,182 | New |
| Parallel Advisors, LLC | 26,968 | $455.5K | 0.02% | −87−0.3% | Reduced |
| UBS Asset Management Americas Inc | 27,261 | $460.4K | 0.00% | −130,061−82.7% | Reduced |
| California State Teachers Retirement System | 27,878 | $470.9K | 0.00% | −2,687−8.8% | Reduced |
| STRS Ohio | 28,100 | $474.0K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 28,358 | $479.0K | 0.01% | −32−0.1% | Reduced |
| Russell Investments Group, Ltd. | 28,985 | $489.6K | 0.00% | +21,265+275.5% | Added |
| Simon Quick Advisors, LLC | 29,062 | $490.9K | 0.05% | 00.0% | Unchanged |
| Perkins Capital Management Inc | 29,160 | $493.0K | 0.49% | −1,425−4.7% | Reduced |
| Alpha DNA Investment Management LLC | 29,399 | $496.6K | 0.32% | +29,399 | New |
| Credit Suisse AG | 29,452 | $497.4K | 0.00% | −1,462−4.7% | Reduced |
| ABG Innovation Capital Partners III GP Ltd | 33,626 | $567.9K | 77.21% | 00.0% | Unchanged |
| Invesco Ltd. | 35,957 | $607.3K | 0.00% | +12,238+51.6% | Added |
| Rhumbline Advisers | 37,848 | $639.2K | 0.00% | +539+1.4% | Added |
| Morgan Stanley | 38,646 | $652.7K | 0.00% | −66,134−63.1% | Reduced |
| Captrust Financial Advisors | 38,733 | $654.2K | 0.00% | −190,958−83.1% | Reduced |
| Bank of America Corp | 42,723 | $721.6K | 0.00% | −1,918−4.3% | Reduced |
| Point72 Asset Management, L.P. | 44,200 | $746.5K | 0.00% | +44,200 | New |
| Alliancebernstein L.P. | 44,690 | $754.8K | 0.00% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 52,195 | $882.0K | 0.08% | +11,280+27.6% | Added |
| JPMorgan Chase & Co | 52,663 | $889.5K | 0.00% | +1,165+2.3% | Added |
| Knights of Columbus Asset Advisors LLC | 53,341 | $900.9K | 0.08% | +27,470+106.2% | Added |
| Envestnet Asset Management Inc | 53,983 | $911.8K | 0.00% | +18,469+52.0% | Added |
| Swiss National Bank | 55,200 | $932.3K | 0.00% | 00.0% | Unchanged |
| Two Sigma Advisers, LP | 56,500 | $954.3K | 0.00% | −36,500−39.2% | Reduced |
| Algert Global LLC | 67,212 | $1.14M | 0.05% | −21,860−24.5% | Reduced |
| Numerai GP LLC | 68,163 | $1.15M | 0.38% | +963+1.4% | Added |
| Brinker Capital Investments, LLC | 74,027 | $1.25M | 0.02% | −3,523−4.5% | Reduced |
| Orion Portfolio Solutions, LLC | 74,027 | $1.25M | 0.02% | −3,523−4.5% | Reduced |
| Millrace Asset Group, Inc. | 77,315 | $1.31M | 1.61% | +77,315 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 80,585 | $1.36M | 0.01% | +19,040+30.9% | Added |
| Bank of New York Mellon Corp | 81,141 | $1.37M | 0.00% | +1,058+1.3% | Added |