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 2021
Institutional positions in Castle Biosciences Inc as of Dec 31, 2021. 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
- 159
- −27 vs. Q3 2021
- Shares held
- 21.5M
- −44.4K (−0.2%) vs. Q3 2021
- Total value
- $918.6M
- −$503.7M (−35.4%) vs. Q3 2021
- New holders
- 21
- 64 more added
- Sold out
- 48
- 49 more reduced
2 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2021: 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 2021
Shares, value and share of portfolio for each institution holding Castle Biosciences Inc; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| CWM, LLC | 2 | $0 | 0.00% | +2 | New |
| Covestor Ltd | 7 | $0 | 0.00% | +7 | New |
| Howe & Rusling Inc | 33 | $1.00K | 0.00% | 00.0% | Unchanged |
| FourThought Financial, LLC | 28 | $1.00K | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 12 | $1.00K | 0.00% | +12 | New |
| Missouri Trust & Investment Co | 19 | $1.00K | 0.00% | +19 | New |
| Global Retirement Partners, LLC | 50 | $2.00K | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 42 | $2.00K | 0.00% | +42 | New |
| Dark Forest Capital Management LP | 87 | $4.00K | 0.00% | −9,640−99.1% | Reduced |
| Assetmark, Inc | 100 | $4.00K | 0.00% | −225−69.2% | Reduced |
| Daiwa Securities Group Inc. | 86 | $4.00K | 0.00% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 108 | $5.00K | 0.00% | 00.0% | Unchanged |
| Confluence Wealth Services, Inc. | 127 | $5.00K | 0.00% | +127 | New |
| TCI Wealth Advisors, Inc. | 145 | $6.00K | 0.00% | +67+85.9% | Added |
| Simplex Trading, LLC | 177 | $7.00K | 0.00% | −1,443−89.1% | Reduced |
| Rockefeller Capital Management L.P. | 200 | $8.00K | 0.00% | 00.0% | Unchanged |
| Nisa Investment Advisors, LLC | 200 | $9.00K | 0.00% | −200−50.0% | Reduced |
| Baillie Gifford & Co | 225 | $10.0K | 0.00% | 00.0% | Unchanged |
| Tower Research Capital LLC (TRC) | 443 | $19.0K | 0.00% | −2,236−83.5% | Reduced |
| First Horizon Advisors, Inc. | 460 | $19.0K | 0.00% | −101−18.0% | Reduced |
| Captrust Financial Advisors | 432 | $19.0K | 0.00% | −67−13.4% | Reduced |
| Creative Financial Designs Inc | 500 | $21.0K | 0.00% | 00.0% | Unchanged |
| Harbor Investment Advisory, LLC | 542 | $23.0K | 0.00% | 00.0% | Unchanged |
| NEXT Financial Group, Inc | 557 | $24.0K | 0.00% | −2,595−82.3% | Reduced |
| State of Wyoming | 566 | $24.0K | 0.01% | −18−3.1% | Reduced |
| Ensign Peak Advisors, Inc | 890 | $38.0K | 0.00% | +890 | New |
| Great West Life Assurance Co | 971 | $41.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 1,671 | $72.0K | 0.00% | 00.0% | Unchanged |
| Amundi | 2,350 | $87.0K | 0.00% | +1,689+255.5% | Added |
| The PNC Financial Services Group, Inc. | 2,455 | $105.0K | 0.00% | +960+64.2% | Added |
| STRS Ohio | 2,800 | $120.0K | 0.00% | 00.0% | Unchanged |
| Quantbot Technologies LP | 3,081 | $132.0K | 0.01% | −6,517−67.9% | Reduced |
| First Bank & Trust | 3,377 | $145.0K | 0.06% | +2,344+226.9% | Added |
| Royal Bank of Canada | 5,004 | $214.0K | 0.00% | +1,977+65.3% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 5,076 | $218.0K | 0.00% | −75−1.5% | Reduced |
| Commerce Bank | 5,260 | $226.0K | 0.00% | +5,260 | New |
| Arizona State Retirement System | 5,419 | $232.0K | 0.00% | −41−0.8% | Reduced |
| Cullen/Frost Bankers, Inc. | 5,430 | $233.0K | 0.00% | +1,605+42.0% | Added |
| Prelude Capital Management, LLC | 5,855 | $251.0K | 0.01% | +707+13.7% | Added |
| Prudential Financial Inc | 4,271 | $256.0K | 0.00% | −585−12.0% | Reduced |
| Metropolitan Life Insurance Co | 5,975 | $256.1K | 0.00% | 00.0% | Unchanged |
| Truist Financial Corp | 6,131 | $262.0K | 0.00% | −237−3.7% | Reduced |
| DekaBank Deutsche Girozentrale | 7,200 | $296.0K | 0.00% | +200+2.9% | Added |
| Aristides Capital LLC | 6,910 | $296.0K | 0.17% | +6,910 | New |
| NinePointTwo Capital | 6,965 | $298.0K | 0.10% | +6,965 | New |
| Advisor Group Holdings, Inc. | 7,245 | $310.0K | 0.00% | +678+10.3% | Added |
| First Republic Investment Management, Inc. | 7,629 | $327.0K | 0.00% | +7,629 | New |
| MetLife Investment Management | 7,804 | $334.6K | 0.00% | 00.0% | Unchanged |
| First Trust Advisors LP | 7,936 | $340.0K | 0.00% | −7,613−49.0% | Reduced |
| Mesirow Financial Investment Management, Inc. | 7,960 | $341.0K | 0.98% | 00.0% | Unchanged |
| Handelsbanken Fonder AB | 8,000 | $343.0K | 0.00% | −200−2.4% | Reduced |
| ProShare Advisors LLC | 8,218 | $352.0K | 0.00% | +111+1.4% | Added |
| SG Americas Securities, LLC | 8,227 | $353.0K | 0.00% | −3,419−29.4% | Reduced |
| Dynamic Technology Lab Private Ltd | 8,710 | $373.0K | 0.04% | +8,710 | New |
| Legal & General Group Plc | 8,984 | $385.0K | 0.00% | +28+0.3% | Added |
| Valmark Advisers, Inc. | 9,284 | $398.0K | 0.01% | +260+2.9% | Added |
| AlphaCentric Advisors LLC | 9,500 | $407.0K | 0.12% | +9,500 | New |
| Pictet & Cie (Europe) SA | 9,689 | $415.0K | 0.01% | +1,065+12.3% | Added |
| Price T Rowe Associates Inc | 9,944 | $426.0K | 0.00% | +3,209+47.6% | Added |
| Claybrook Capital, LLC | 10,026 | $430.0K | 0.20% | 00.0% | Unchanged |
| UBS Group AG | 10,398 | $446.0K | 0.00% | +9,142+727.9% | Added |
| Susquehanna International Group, LLP | 10,707 | $459.0K | 0.00% | +10,707 | New |
| Manufacturers Life Insurance Company, The | 10,933 | $469.0K | 0.00% | +208+1.9% | Added |
| Cambridge Investment Research Advisors, Inc. | 11,165 | $479.0K | 0.00% | +110+1.0% | Added |
| American International Group, Inc. | 11,323 | $485.0K | 0.00% | −339−2.9% | Reduced |
| Susquehanna Fundamental Investments, LLC | 12,725 | $546.0K | 0.01% | −5,255−29.2% | Reduced |
| US Bancorp | 12,774 | $547.0K | 0.00% | −816−6.0% | Reduced |
| Qube Research & Technologies Ltd | 12,814 | $549.0K | 0.00% | +6,299+96.7% | Added |
| Credit Suisse AG | 13,158 | $564.0K | 0.00% | +365+2.9% | Added |
| Walleye Capital LLC | 13,443 | $576.0K | 0.02% | +13,443 | New |
| Voya Investment Management LLC | 13,502 | $579.0K | 0.00% | +1,438+11.9% | Added |
| Baird Financial Group, Inc. | 13,675 | $586.0K | 0.00% | −366−2.6% | Reduced |
| Deutsche Bank AG | 13,810 | $592.0K | 0.00% | −9,024−39.5% | Reduced |
| Chartwell Investment Partners, LLC | 13,901 | $596.0K | 0.02% | −245−1.7% | Reduced |
| Citigroup Inc | 14,567 | $624.0K | 0.00% | −1,061−6.8% | Reduced |
| State of Wisconsin Investment Board | 16,400 | $703.0K | 0.00% | −4,900−23.0% | Reduced |
| Advisors Capital Management, LLC | 17,013 | $729.0K | 0.02% | +2,901+20.6% | Added |
| United Capital Financial Advisers, LLC | 17,637 | $756.0K | 0.00% | +197+1.1% | Added |
| Signaturefd, LLC | 19,415 | $832.0K | 0.03% | +32+0.2% | Added |
| Rhumbline Advisers | 20,898 | $896.0K | 0.00% | −357−1.7% | Reduced |
| Covenant Partners, LLC | 21,279 | $912.0K | 0.34% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 21,769 | $933.0K | 0.03% | 00.0% | Unchanged |
| Knights of Columbus Asset Advisors LLC | 22,602 | $969.0K | 0.08% | +400+1.8% | Added |
| JPMorgan Chase & Co | 23,570 | $1.01M | 0.00% | +1,477+6.7% | Added |
| Bridgewater Associates, LP | 24,424 | $1.05M | 0.01% | −46−0.2% | Reduced |
| Capital Impact Advisors, LLC | 24,429 | $1.05M | 0.72% | +7,726+46.3% | Added |
| Alliancebernstein L.P. | 24,700 | $1.06M | 0.00% | 00.0% | Unchanged |
| EMC Capital Management | 24,847 | $1.06M | 0.57% | 00.0% | Unchanged |
| Rice Hall James & Associates, LLC | 25,213 | $1.08M | 0.04% | −3,531−12.3% | Reduced |
| Oberweis Asset Management Inc | 26,260 | $1.13M | 0.21% | 00.0% | Unchanged |
| Brinker Capital Investments, LLC | 27,720 | $1.19M | 0.02% | −22,441−44.7% | Reduced |
| California State Teachers Retirement System | 28,594 | $1.23M | 0.00% | +688+2.5% | Added |
| Parian Global Management LP | 29,498 | $1.26M | 1.15% | +29,498 | New |
| Jump Financial, LLC | 30,244 | $1.30M | 0.08% | +24,544+430.6% | Added |
| Victory Capital Management Inc | 30,514 | $1.31M | 0.00% | −289,145−90.5% | Reduced |
| Perkins Capital Management Inc | 33,170 | $1.42M | 0.96% | +20+0.1% | Added |
| Envestnet Asset Management Inc | 33,439 | $1.43M | 0.00% | +441+1.3% | Added |
| Squarepoint Ops LLC | 34,693 | $1.49M | 0.01% | +34,693 | New |
| Swedbank AB | 35,000 | $1.53M | 0.00% | 00.0% | Unchanged |
| Isthmus Partners, LLC | 37,809 | $1.62M | 0.27% | +28,247+295.4% | Added |