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, Q1 2023
Institutional positions in Castle Biosciences Inc as of Mar 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
- 148
- −3 vs. Q4 2022
- Shares held
- 22.1M
- +254.8K (+1.2%) vs. Q4 2022
- Total value
- $501.9M
- −$12.1M (−2.4%) vs. Q4 2022
- New holders
- 15
- 63 more added
- Sold out
- 18
- 37 more reduced
2 institutions that held it in Q4 2022 haven't filed for Q1 2023 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2023
Shares, value and share of portfolio for each institution holding Castle Biosciences Inc; share changes are against Q4 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Colonial Trust Advisors | 6 | $136 | 0.00% | 00.0% | Unchanged |
| IFP Advisors, Inc | 11 | $235 | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 12 | $273 | 0.00% | 00.0% | Unchanged |
| Missouri Trust & Investment Co | 19 | $432 | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 27 | $619 | 0.00% | −50−64.9% | Reduced |
| Manchester Capital Management LLC | 37 | $841 | 0.00% | 00.0% | Unchanged |
| Advisory Services Network, LLC | 38 | $863 | 0.00% | 00.0% | Unchanged |
| Baystate Wealth Management LLC | 50 | $1.14K | 0.00% | +50 | New |
| Park Place Capital Corp | 53 | $1.20K | 0.00% | 00.0% | Unchanged |
| Private Trust Co NA | 60 | $1.36K | 0.00% | 00.0% | Unchanged |
| Lindbrook Capital, LLC | 68 | $1.54K | 0.00% | −12−15.0% | Reduced |
| C M Bidwell & Associates Ltd | 75 | $1.70K | 0.00% | +75 | New |
| Daiwa Securities Group Inc. | 86 | $2.00K | 0.00% | 00.0% | Unchanged |
| Allworth Financial LP | 131 | $2.98K | 0.00% | +123+1,537.5% | Added |
| TCI Wealth Advisors, Inc. | 164 | $3.73K | 0.00% | +164 | New |
| Raleigh Capital Management Inc. | 185 | $4.20K | 0.00% | +25+15.6% | Added |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 199 | $4.52K | 0.00% | +199 | New |
| Baillie Gifford & Co | 225 | $5.11K | 0.00% | 00.0% | Unchanged |
| US Bancorp | 239 | $5.43K | 0.00% | +19+8.6% | Added |
| China Universal Asset Management Co., Ltd. | 360 | $8.18K | 0.00% | +92+34.3% | Added |
| Huntington National Bank | 383 | $8.70K | 0.00% | +13+3.5% | Added |
| State of Wyoming | 397 | $9.02K | 0.00% | +11+2.8% | Added |
| Tower Research Capital LLC (TRC) | 625 | $14.0K | 0.00% | +160+34.4% | Added |
| FMR LLC | 713 | $16.2K | 0.00% | −61−7.9% | Reduced |
| Nisa Investment Advisors, LLC | 1,084 | $25.0K | 0.00% | +920+561.0% | Added |
| Ten Capital Wealth Advisors, LLC | 1,376 | $31.3K | 0.01% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 1,410 | $32.0K | 0.00% | 00.0% | Unchanged |
| Ameritas Investment Partners, Inc. | 1,671 | $38.0K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 2,050 | $47.0K | 0.00% | −2,177−51.5% | Reduced |
| Assetmark, Inc | 2,238 | $50.8K | 0.00% | +738+49.2% | Added |
| Amalgamated Bank | 2,515 | $57.0K | 0.00% | −599−19.2% | Reduced |
| Quantbot Technologies LP | 2,545 | $57.8K | 0.00% | −5,329−67.7% | Reduced |
| The PNC Financial Services Group, Inc. | 2,596 | $59.0K | 0.00% | −154−5.6% | Reduced |
| Advisor Group Holdings, Inc. | 2,642 | $60.0K | 0.00% | +178+7.2% | Added |
| Cullen/Frost Bankers, Inc. | 2,685 | $61.0K | 0.00% | 00.0% | Unchanged |
| Citigroup Inc | 2,746 | $62.4K | 0.00% | −726−20.9% | Reduced |
| Simplex Trading, LLC | 3,138 | $71.0K | 0.00% | +3,138 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 3,888 | $88.3K | 0.00% | 00.0% | Unchanged |
| Wells Fargo & Company | 5,834 | $132.5K | 0.00% | −18,247−75.8% | Reduced |
| First Horizon Advisors, Inc. | 6,989 | $158.8K | 0.01% | +18+0.3% | Added |
| DekaBank Deutsche Girozentrale | 7,900 | $176.0K | 0.00% | 00.0% | Unchanged |
| Great West Life Assurance Co | 8,404 | $191.0K | 0.00% | 00.0% | Unchanged |
| Janus Henderson Group PLC | 9,296 | $211.0K | 0.00% | +9,296 | New |
| Manufacturers Life Insurance Company, The | 9,634 | $218.9K | 0.00% | 00.0% | Unchanged |
| Legal & General Group Plc | 10,494 | $238.4K | 0.00% | +674+6.9% | Added |
| UBS Group AG | 10,574 | $240.2K | 0.00% | +89+0.8% | Added |
| First Republic Investment Management, Inc. | 10,770 | $244.7K | 0.00% | +631+6.2% | Added |
| State Board of Administration of Florida Retirement System | 10,954 | $248.9K | 0.00% | 00.0% | Unchanged |
| Baird Financial Group, Inc. | 11,455 | $260.3K | 0.00% | −739−6.1% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 11,573 | $262.9K | 0.00% | +642+5.9% | Added |
| Susquehanna International Group, LLP | 11,717 | $266.2K | 0.00% | +11,717 | New |
| American International Group, Inc. | 11,842 | $269.1K | 0.00% | +235+2.0% | Added |
| MetLife Investment Management | 12,369 | $281.0K | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 12,454 | $283.0K | 0.00% | +5,866+89.0% | Added |
| Pictet & Cie (Europe) SA | 12,740 | $289.5K | 0.01% | +122+1.0% | Added |
| TownSquare Capital, LLC | 12,896 | $293.0K | 0.01% | +736+6.1% | Added |
| Polar Capital Holdings Plc | 13,398 | $304.4K | 0.00% | 00.0% | Unchanged |
| Claybrook Capital, LLC | 13,526 | $307.3K | 0.17% | +3,500+34.9% | Added |
| Occudo Quantitative Strategies LP | 14,280 | $324.4K | 0.03% | −4,776−25.1% | Reduced |
| Mesirow Financial Investment Management, Inc. | 14,431 | $327.9K | 1.36% | +14,431 | New |
| Putnam Investments LLC | 14,456 | $328.4K | 0.00% | +5,739+65.8% | Added |
| HRT Financial LP | 15,008 | $340.0K | 0.00% | +15,008 | New |
| Deutsche Bank AG | 15,231 | $346.0K | 0.00% | +4,336+39.8% | Added |
| Price T Rowe Associates Inc | 15,284 | $348.0K | 0.00% | +303+2.0% | Added |
| Capital Impact Advisors, LLC | 15,452 | $351.1K | 0.43% | 00.0% | Unchanged |
| XTX Topco Ltd | 16,254 | $369.3K | 0.08% | +16,254 | New |
| Jump Financial, LLC | 17,400 | $395.3K | 0.02% | −1,900−9.8% | Reduced |
| Signaturefd, LLC | 19,408 | $440.9K | 0.01% | +11+0.1% | Added |
| Fan Yu | 20,592 | $467.9K | 25.76% | 00.0% | Unchanged |
| Los Angeles Capital Management LLC | 20,863 | $474.0K | 0.00% | −773−3.6% | Reduced |
| Candriam Luxembourg S.C.A. | 22,812 | $477.0K | 0.00% | −14,783−39.3% | Reduced |
| Covenant Partners, LLC | 21,279 | $483.5K | 0.19% | 00.0% | Unchanged |
| Parallel Advisors, LLC | 22,069 | $501.4K | 0.02% | 00.0% | Unchanged |
| ExodusPoint Capital Management, LP | 22,481 | $511.0K | 0.01% | +22,481 | New |
| Alliancebernstein L.P. | 22,500 | $511.2K | 0.00% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 22,560 | $512.6K | 0.02% | −16,969−42.9% | Reduced |
| Two Sigma Investments, LP | 22,624 | $514.0K | 0.00% | −31,321−58.1% | Reduced |
| Invesco Ltd. | 22,905 | $520.4K | 0.00% | +3,782+19.8% | Added |
| Prudential Financial Inc | 22,965 | $521.8K | 0.00% | +11,500+100.3% | Added |
| Prelude Capital Management, LLC | 23,144 | $525.8K | 0.04% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 24,665 | $560.4K | 0.00% | +2,273+10.2% | Added |
| Schonfeld Strategic Advisors LLC | 25,744 | $584.9K | 0.01% | −31,715−55.2% | Reduced |
| Knights of Columbus Asset Advisors LLC | 25,813 | $586.5K | 0.06% | +22+0.1% | Added |
| Simon Quick Advisors, LLC | 26,000 | $590.7K | 0.06% | 00.0% | Unchanged |
| STRS Ohio | 27,100 | $615.0K | 0.00% | +6,700+32.8% | Added |
| Legato Capital Management LLC | 27,534 | $625.6K | 0.11% | +9,038+48.9% | Added |
| Credit Suisse AG | 27,790 | $631.4K | 0.00% | +4,618+19.9% | Added |
| California State Teachers Retirement System | 28,800 | $654.3K | 0.00% | −421−1.4% | Reduced |
| Brinker Capital Investments, LLC | 29,665 | $674.0K | 0.01% | −3,159−9.6% | Reduced |
| Orion Portfolio Solutions, LLC | 29,665 | $674.0K | 0.01% | +29,665 | New |
| Graham Capital Management, L.P. | 31,011 | $704.6K | 0.02% | +4,076+15.1% | Added |
| Advisors Capital Management, LLC | 31,059 | $706.0K | 0.02% | −152−0.5% | Reduced |
| Perkins Capital Management Inc | 31,110 | $707.0K | 0.67% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 32,289 | $734.0K | 0.07% | +5,393+20.1% | Added |
| ABG Innovation Capital Partners III GP Ltd | 33,626 | $764.0K | 70.27% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 35,117 | $797.9K | 0.01% | +1,683+5.0% | Added |
| King Luther Capital Management Corp | 35,481 | $806.1K | 0.00% | −825−2.3% | Reduced |
| Renaissance Technologies LLC | 36,400 | $827.0K | 0.00% | +14,300+64.7% | Added |
| Rhumbline Advisers | 39,295 | $893.0K | 0.00% | +1,383+3.6% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 42,182 | $958.4K | 0.01% | +14,038+49.9% | Added |