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, Q2 2024
Institutional positions in Castle Biosciences Inc as of Jun 30, 2024. 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
- +9 vs. Q1 2024
- Shares held
- 25.2M
- +295.8K (+1.2%) vs. Q1 2024
- Total value
- $549.4M
- −$3.06M (−0.6%) vs. Q1 2024
- New holders
- 32
- 54 more added
- Sold out
- 23
- 50 more reduced
1 institution that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2024: 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, Q2 2024
Shares, value and share of portfolio for each institution holding Castle Biosciences Inc; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Jane Street Group, LLC | 37,024 | $806.0K | 0.00% | +37,024 | New |
| Franklin Resources Inc | 37,038 | $806.3K | 0.00% | +1,538+4.3% | Added |
| CWM Advisors, LLC | 37,167 | $809.1K | 0.09% | +37,167 | New |
| ExodusPoint Capital Management, LP | 40,135 | $874.0K | 0.01% | +40,135 | New |
| Rhumbline Advisers | 41,896 | $912.1K | 0.00% | +2,988+7.7% | Added |
| Trexquant Investment LP | 42,651 | $928.5K | 0.01% | −2,346−5.2% | Reduced |
| American Century Companies Inc | 42,818 | $932.1K | 0.00% | +4,898+12.9% | Added |
| Envestnet Asset Management Inc | 47,097 | $1.03M | 0.00% | +1,170+2.5% | Added |
| UBS Group AG | 48,723 | $1.06M | 0.00% | −6,120−11.2% | Reduced |
| Schonfeld Strategic Advisors LLC | 51,247 | $1.12M | 0.01% | −114,194−69.0% | Reduced |
| Swiss National Bank | 51,300 | $1.12M | 0.00% | +1,100+2.2% | Added |
| Point72 Asset Management, L.P. | 53,777 | $1.17M | 0.00% | +53,777 | New |
| UBS Asset Management Americas Inc | 56,136 | $1.22M | 0.00% | +24,348+76.6% | Added |
| Brinker Capital Investments, LLC | 62,081 | $1.35M | 0.01% | −5,156−7.7% | Reduced |
| Orion Portfolio Solutions, LLC | 62,081 | $1.35M | 0.01% | −5,156−7.7% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 66,887 | $1.46M | 0.01% | −10,770−13.9% | Reduced |
| Citigroup Inc | 68,234 | $1.49M | 0.00% | +61,580+925.5% | Added |
| Tritonpoint Wealth, LLC | 70,399 | $1.53M | 0.15% | −21,851−23.7% | Reduced |
| Bank of America Corp | 79,612 | $1.73M | 0.00% | −71,553−47.3% | Reduced |
| Public Employees Retirement System of Ohio | 88,908 | $1.94M | 0.01% | −4,528−4.8% | Reduced |
| Cubist Systematic Strategies, LLC | 92,475 | $2.01M | 0.03% | +10,731+13.1% | Added |
| Lisanti Capital Growth, LLC | 96,550 | $2.10M | 0.51% | +96,550 | New |
| Bank of New York Mellon Corp | 96,688 | $2.10M | 0.00% | +12,583+15.0% | Added |
| Boothbay Fund Management, LLC | 100,000 | $2.18M | 0.07% | +100,000 | New |
| Algert Global LLC | 133,722 | $2.91M | 0.10% | −11,685−8.0% | Reduced |
| Harbor Capital Advisors, Inc. | 138,707 | $3.02M | 0.23% | +99,001+249.3% | Added |
| Advisors Capital Management, LLC | 142,301 | $3.10M | 0.05% | +1,186+0.8% | Added |
| Pura Vida Investments, LLC | 153,386 | $3.34M | 4.04% | +153,386 | New |
| New York State Common Retirement Fund | 187,731 | $4.09M | 0.01% | −40,848−17.9% | Reduced |
| Marshall Wace, LLP | 212,036 | $4.62M | 0.01% | +114,104+116.5% | Added |
| Goldman Sachs Group Inc | 217,137 | $4.73M | 0.00% | +92,465+74.2% | Added |
| Charles Schwab Investment Management Inc | 235,344 | $5.12M | 0.00% | +30,407+14.8% | Added |
| Next Century Growth Investors LLC | 236,830 | $5.16M | 0.43% | +17,357+7.9% | Added |
| Northern Trust Corp | 238,491 | $5.19M | 0.00% | −5,897−2.4% | Reduced |
| Morgan Stanley | 249,380 | $5.43M | 0.00% | −401,331−61.7% | Reduced |
| Intrinsic Edge Capital Management LLC | 254,411 | $5.54M | 0.54% | +30,844+13.8% | Added |
| Parkman Healthcare Partners LLC | 277,895 | $6.05M | 0.82% | −89,513−24.4% | Reduced |
| Acadian Asset Management LLC | 280,497 | $6.10M | 0.02% | +69,673+33.0% | Added |
| Nuveen Asset Management, LLC | 286,511 | $6.24M | 0.00% | +96,883+51.1% | Added |
| Ameriprise Financial Inc | 294,022 | $6.40M | 0.00% | −1,305−0.4% | Reduced |
| Renaissance Technologies LLC | 301,500 | $6.56M | 0.01% | +96,800+47.3% | Added |
| Deutsche Bank AG | 309,511 | $6.74M | 0.00% | +46,703+17.8% | Added |
| Braidwell LP | 416,100 | $9.06M | 0.28% | +416,100 | New |
| Jacobs Levy Equity Management, Inc | 517,977 | $11.3M | 0.05% | −13,925−2.6% | Reduced |
| Palisade Capital Management LLC | 537,974 | $11.7M | 0.32% | −9,193−1.7% | Reduced |
| Kornitzer Capital Management Inc | 542,874 | $11.8M | 0.22% | 00.0% | Unchanged |
| Geode Capital Management, LLC | 617,679 | $13.4M | 0.00% | +39,145+6.8% | Added |
| State Street Corp | 619,077 | $13.5M | 0.00% | +13,278+2.2% | Added |
| Citadel Advisors LLC | 693,385 | $15.1M | 0.01% | +37,619+5.7% | Added |
| Dimensional Fund Advisors LP | 809,934 | $17.6M | 0.00% | +60,675+8.1% | Added |
| Soleus Capital Management, L.P. | 853,628 | $18.6M | 1.64% | +128,171+17.7% | Added |
| Deerfield Management Company, L.P. (Series C) | 874,609 | $19.0M | 0.32% | −53,408−5.8% | Reduced |
| Granahan Investment Management Inc | 1,058,941 | $23.1M | 0.92% | −568,283−34.9% | Reduced |
| Portolan Capital Management, LLC | 1,210,952 | $26.4M | 2.17% | +167,542+16.1% | Added |
| Bellevue Group AG | 1,217,101 | $26.5M | 0.43% | −2,984−0.2% | Reduced |
| Principal Financial Group Inc | 1,498,143 | $32.6M | 0.02% | −34,329−2.2% | Reduced |
| Vanguard Group Inc | 1,577,514 | $34.3M | 0.00% | +83,338+5.6% | Added |
| Wasatch Advisors Inc | 2,327,936 | $50.7M | 0.27% | −223,152−8.7% | Reduced |
| BlackRock Inc. | 3,044,973 | $66.3M | 0.00% | +449,286+17.3% | Added |
| Banque Pictet & Cie SA | 0 | $0 | 0.00% | −166,881−100.0% | Sold out |
| Invenomic Capital Management LP | 0 | $0 | 0.00% | −166,714−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −60,800−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −52,448−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −22,795−100.0% | Sold out |
| Capital Impact Advisors, LLC | 0 | $0 | 0.00% | −22,713−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −20,825−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −19,000−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −18,201−100.0% | Sold out |
| New York Life Investment Management LLC | 0 | $0 | 0.00% | −16,516−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −15,011−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −14,748−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −13,382−100.0% | Sold out |
| Pictet & Cie (Europe) SA | 0 | $0 | 0.00% | −12,897−100.0% | Sold out |
| Diversify Advisory Services, LLC | 0 | $0 | 0.00% | −12,498−100.0% | Sold out |
| American International Group, Inc. | 0 | $0 | 0.00% | −12,244−100.0% | Sold out |
| State Board of Administration of Florida Retirement System | 0 | $0 | 0.00% | −10,954−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −10,238−100.0% | Sold out |
| Janus Henderson Group PLC | 0 | $0 | 0.00% | −9,266−100.0% | Sold out |
| Denali Advisors LLC | 0 | $0 | 0.00% | −8,400−100.0% | Sold out |
| Metropolitan Life Insurance Co | 0 | $0 | 0.00% | −1,410−100.0% | Sold out |
| The PNC Financial Services Group, Inc. | 0 | $0 | 0.00% | −38−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Credit Suisse AG | – | – | – | – | Not filed |