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 2022
Institutional positions in Castle Biosciences Inc as of Sep 30, 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
- 157
- +11 vs. Q2 2022
- Shares held
- 21.9M
- −701.8K (−3.1%) vs. Q2 2022
- Total value
- $569.8M
- +$74.8M (+15.1%) vs. Q2 2022
- New holders
- 24
- 58 more added
- Sold out
- 13
- 46 more reduced
Compare with Q2 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, Q3 2022
Shares, value and share of portfolio for each institution holding Castle Biosciences Inc; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Valmark Advisers, Inc. | 12,269 | $320.0K | 0.01% | −697−5.4% | Reduced |
| First Republic Investment Management, Inc. | 11,765 | $307.0K | 0.00% | −414−3.4% | Reduced |
| American International Group, Inc. | 11,649 | $304.0K | 0.00% | +519+4.7% | Added |
| Capital Impact Advisors, LLC | 14,455 | $289.0K | 0.29% | +485+3.5% | Added |
| Mirae Asset Global Investments Co., Ltd. | 10,920 | $285.0K | 0.00% | +10,920 | New |
| Deutsche Bank AG | 10,733 | $280.0K | 0.00% | −510−4.5% | Reduced |
| Claybrook Capital, LLC | 10,026 | $261.0K | 0.17% | 00.0% | Unchanged |
| Legal & General Group Plc | 9,820 | $257.0K | 0.00% | +707+7.8% | Added |
| Engineers Gate Manager LP | 9,537 | $249.0K | 0.02% | −99,403−91.2% | Reduced |
| Manufacturers Life Insurance Company, The | 9,495 | $247.6K | 0.00% | −244−2.5% | Reduced |
| New York Life Investments Alternatives | 9,130 | $238.0K | 0.24% | 00.0% | Unchanged |
| Versor Investments LP | 9,017 | $235.0K | 0.01% | −13,050−59.1% | Reduced |
| Simplex Trading, LLC | 8,968 | $233.0K | 0.01% | +8,022+848.0% | Added |
| Aquatic Capital Management LLC | 8,300 | $216.0K | 0.02% | +8,300 | New |
| Mesirow Financial Investment Management, Inc. | 7,967 | $208.0K | 0.99% | +7,967 | New |
| DekaBank Deutsche Girozentrale | 7,900 | $203.0K | 0.00% | 00.0% | Unchanged |
| First Horizon Advisors, Inc. | 7,228 | $188.0K | 0.01% | +6,682+1,223.8% | Added |
| UBS Group AG | 7,131 | $186.0K | 0.00% | −9,094−56.0% | Reduced |
| Dark Forest Capital Management LP | 6,573 | $171.0K | 0.03% | +6,573 | New |
| Great West Life Assurance Co | 5,344 | $139.0K | 0.00% | +4,373+450.4% | Added |
| SG Americas Securities, LLC | 4,158 | $108.0K | 0.00% | −35,220−89.4% | Reduced |
| Wells Fargo & Company | 4,102 | $107.0K | 0.00% | +838+25.7% | Added |
| Rockefeller Capital Management L.P. | 4,140 | $107.0K | 0.00% | +3,940+1,970.0% | Added |
| Lazard Asset Management LLC | 4,093 | $106.0K | 0.00% | +821+25.1% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 3,924 | $102.0K | 0.00% | −57−1.4% | Reduced |
| The PNC Financial Services Group, Inc. | 3,735 | $97.0K | 0.00% | +41+1.1% | Added |
| US Bancorp | 3,583 | $93.0K | 0.00% | −9,224−72.0% | Reduced |
| Royal Bank of Canada | 3,107 | $81.0K | 0.00% | −2,085−40.2% | Reduced |
| Amalgamated Bank | 3,114 | $81.0K | 0.00% | +92+3.0% | Added |
| Ensign Peak Advisors, Inc | 3,090 | $81.0K | 0.00% | +2,200+247.2% | Added |
| PEAK6 Investments LLC | 2,875 | $75.0K | 0.00% | +2,875 | New |
| Cullen/Frost Bankers, Inc. | 2,755 | $72.0K | 0.00% | 00.0% | Unchanged |
| Advisor Group Holdings, Inc. | 2,524 | $65.0K | 0.00% | +156+6.6% | Added |
| Tower Research Capital LLC (TRC) | 1,821 | $47.0K | 0.00% | +691+61.2% | Added |
| Ameritas Investment Partners, Inc. | 1,671 | $43.0K | 0.00% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 1,410 | $36.8K | 0.00% | 00.0% | Unchanged |
| Macquarie Group Ltd | 850 | $35.0K | 0.00% | −476−35.9% | Reduced |
| Point72 Hong Kong Ltd | 1,168 | $30.0K | 0.00% | +1,042+827.0% | Added |
| FMR LLC | 781 | $20.0K | 0.00% | +224+40.2% | Added |
| Assetmark, Inc | 475 | $12.0K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 388 | $10.0K | 0.00% | −15−3.7% | Reduced |
| Huntington National Bank | 293 | $8.00K | 0.00% | 00.0% | Unchanged |
| Creative Financial Designs Inc | 250 | $7.00K | 0.00% | −350−58.3% | Reduced |
| Almanack Investment Partners, LLC. | 270 | $7.00K | 0.00% | +270 | New |
| Baillie Gifford & Co | 225 | $6.00K | 0.00% | 00.0% | Unchanged |
| China Universal Asset Management Co., Ltd. | 246 | $6.00K | 0.00% | +246 | New |
| Nisa Investment Advisors, LLC | 164 | $4.00K | 0.00% | +24+17.1% | Added |
| Lindbrook Capital, LLC | 141 | $4.00K | 0.00% | +61+76.3% | Added |
| Howe & Rusling Inc | 131 | $3.00K | 0.00% | +46+54.1% | Added |
| Daiwa Securities Group Inc. | 86 | $2.00K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 77 | $2.00K | 0.00% | 00.0% | Unchanged |
| FourThought Financial, LLC | 86 | $2.00K | 0.00% | 00.0% | Unchanged |
| Private Trust Co NA | 60 | $2.00K | 0.00% | 00.0% | Unchanged |
| Missouri Trust & Investment Co | 19 | $1.00K | 0.00% | 00.0% | Unchanged |
| Hallmark Capital Management Inc | 20 | $1.00K | 0.00% | +20 | New |
| Allworth Financial LP | 8 | $0 | 0.00% | 00.0% | Unchanged |
| Capital Advisors, Ltd. LLC | 7 | $0 | 0.00% | 00.0% | Unchanged |
| Sumitomo Mitsui Trust Holdings, Inc. | 0 | $0 | 0.00% | −443,882−100.0% | Sold out |
| Nikko Asset Management Americas, Inc. | 0 | $0 | 0.00% | −443,882−100.0% | Sold out |
| Stonepine Capital Management, LLC | 0 | $0 | 0.00% | −295,372−100.0% | Sold out |
| Stanley-Laman Group, Ltd. | 0 | $0 | 0.00% | −43,875−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −32,866−100.0% | Sold out |
| Rice Hall James & Associates, LLC | 0 | $0 | 0.00% | −26,750−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −18,792−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −10,400−100.0% | Sold out |
| First Bank & Trust | 0 | $0 | 0.00% | −7,818−100.0% | Sold out |
| Captrust Financial Advisors | 0 | $0 | 0.00% | −497−100.0% | Sold out |
| Prospera Financial Services Inc | 0 | $0 | 0.00% | −125−100.0% | Sold out |
| Tradewinds Capital Management, LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |