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 |
|---|---|---|---|---|---|
| BlackRock Inc. | 3,044,973 | $66.3M | 0.00% | +449,286+17.3% | Added |
| Wasatch Advisors Inc | 2,327,936 | $50.7M | 0.27% | −223,152−8.7% | Reduced |
| Vanguard Group Inc | 1,577,514 | $34.3M | 0.00% | +83,338+5.6% | Added |
| Principal Financial Group Inc | 1,498,143 | $32.6M | 0.02% | −34,329−2.2% | Reduced |
| Bellevue Group AG | 1,217,101 | $26.5M | 0.43% | −2,984−0.2% | Reduced |
| Portolan Capital Management, LLC | 1,210,952 | $26.4M | 2.17% | +167,542+16.1% | Added |
| Granahan Investment Management Inc | 1,058,941 | $23.1M | 0.92% | −568,283−34.9% | Reduced |
| Deerfield Management Company, L.P. (Series C) | 874,609 | $19.0M | 0.32% | −53,408−5.8% | Reduced |
| Soleus Capital Management, L.P. | 853,628 | $18.6M | 1.64% | +128,171+17.7% | Added |
| Dimensional Fund Advisors LP | 809,934 | $17.6M | 0.00% | +60,675+8.1% | Added |
| Citadel Advisors LLC | 693,385 | $15.1M | 0.01% | +37,619+5.7% | Added |
| State Street Corp | 619,077 | $13.5M | 0.00% | +13,278+2.2% | Added |
| Geode Capital Management, LLC | 617,679 | $13.4M | 0.00% | +39,145+6.8% | Added |
| Kornitzer Capital Management Inc | 542,874 | $11.8M | 0.22% | 00.0% | Unchanged |
| Palisade Capital Management LLC | 537,974 | $11.7M | 0.32% | −9,193−1.7% | Reduced |
| Jacobs Levy Equity Management, Inc | 517,977 | $11.3M | 0.05% | −13,925−2.6% | Reduced |
| Braidwell LP | 416,100 | $9.06M | 0.28% | +416,100 | New |
| Deutsche Bank AG | 309,511 | $6.74M | 0.00% | +46,703+17.8% | Added |
| Renaissance Technologies LLC | 301,500 | $6.56M | 0.01% | +96,800+47.3% | Added |
| Ameriprise Financial Inc | 294,022 | $6.40M | 0.00% | −1,305−0.4% | Reduced |
| Nuveen Asset Management, LLC | 286,511 | $6.24M | 0.00% | +96,883+51.1% | Added |
| Acadian Asset Management LLC | 280,497 | $6.10M | 0.02% | +69,673+33.0% | Added |
| Parkman Healthcare Partners LLC | 277,895 | $6.05M | 0.82% | −89,513−24.4% | Reduced |
| Intrinsic Edge Capital Management LLC | 254,411 | $5.54M | 0.54% | +30,844+13.8% | Added |
| Morgan Stanley | 249,380 | $5.43M | 0.00% | −401,331−61.7% | Reduced |
| Northern Trust Corp | 238,491 | $5.19M | 0.00% | −5,897−2.4% | Reduced |
| Next Century Growth Investors LLC | 236,830 | $5.16M | 0.43% | +17,357+7.9% | Added |
| Charles Schwab Investment Management Inc | 235,344 | $5.12M | 0.00% | +30,407+14.8% | Added |
| Goldman Sachs Group Inc | 217,137 | $4.73M | 0.00% | +92,465+74.2% | Added |
| Marshall Wace, LLP | 212,036 | $4.62M | 0.01% | +114,104+116.5% | Added |
| New York State Common Retirement Fund | 187,731 | $4.09M | 0.01% | −40,848−17.9% | Reduced |
| Pura Vida Investments, LLC | 153,386 | $3.34M | 4.04% | +153,386 | New |
| Advisors Capital Management, LLC | 142,301 | $3.10M | 0.05% | +1,186+0.8% | Added |
| Harbor Capital Advisors, Inc. | 138,707 | $3.02M | 0.23% | +99,001+249.3% | Added |
| Algert Global LLC | 133,722 | $2.91M | 0.10% | −11,685−8.0% | Reduced |
| Boothbay Fund Management, LLC | 100,000 | $2.18M | 0.07% | +100,000 | New |
| Bank of New York Mellon Corp | 96,688 | $2.10M | 0.00% | +12,583+15.0% | Added |
| Lisanti Capital Growth, LLC | 96,550 | $2.10M | 0.51% | +96,550 | New |
| Cubist Systematic Strategies, LLC | 92,475 | $2.01M | 0.03% | +10,731+13.1% | Added |
| Public Employees Retirement System of Ohio | 88,908 | $1.94M | 0.01% | −4,528−4.8% | Reduced |
| Bank of America Corp | 79,612 | $1.73M | 0.00% | −71,553−47.3% | Reduced |
| Tritonpoint Wealth, LLC | 70,399 | $1.53M | 0.15% | −21,851−23.7% | Reduced |
| Citigroup Inc | 68,234 | $1.49M | 0.00% | +61,580+925.5% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 66,887 | $1.46M | 0.01% | −10,770−13.9% | Reduced |
| 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 |
| UBS Asset Management Americas Inc | 56,136 | $1.22M | 0.00% | +24,348+76.6% | Added |
| Point72 Asset Management, L.P. | 53,777 | $1.17M | 0.00% | +53,777 | New |
| Swiss National Bank | 51,300 | $1.12M | 0.00% | +1,100+2.2% | Added |
| Schonfeld Strategic Advisors LLC | 51,247 | $1.12M | 0.01% | −114,194−69.0% | Reduced |
| UBS Group AG | 48,723 | $1.06M | 0.00% | −6,120−11.2% | Reduced |
| Envestnet Asset Management Inc | 47,097 | $1.03M | 0.00% | +1,170+2.5% | Added |
| American Century Companies Inc | 42,818 | $932.1K | 0.00% | +4,898+12.9% | Added |
| Trexquant Investment LP | 42,651 | $928.5K | 0.01% | −2,346−5.2% | Reduced |
| Rhumbline Advisers | 41,896 | $912.1K | 0.00% | +2,988+7.7% | Added |
| ExodusPoint Capital Management, LP | 40,135 | $874.0K | 0.01% | +40,135 | New |
| CWM Advisors, LLC | 37,167 | $809.1K | 0.09% | +37,167 | New |
| Franklin Resources Inc | 37,038 | $806.3K | 0.00% | +1,538+4.3% | Added |
| Jane Street Group, LLC | 37,024 | $806.0K | 0.00% | +37,024 | New |
| ABG Innovation Capital Partners III GP Ltd | 36,747 | $800.0K | 93.07% | +3,121+9.3% | Added |
| Fan Yu | 36,747 | $800.0K | 1.05% | +36,747 | New |
| Susquehanna International Group, LLP | 35,979 | $783.3K | 0.00% | +35,979 | New |
| Millennium Management LLC | 34,827 | $758.2K | 0.00% | −213,726−86.0% | Reduced |
| Russell Investments Group, Ltd. | 34,505 | $751.2K | 0.00% | +2,812+8.9% | Added |
| Birchview Capital, LP | 34,000 | $740.2K | 0.68% | +20,000+142.9% | Added |
| Tudor Investment Corp Et Al | 33,938 | $738.8K | 0.01% | +20,941+161.1% | Added |
| Alliancebernstein L.P. | 33,370 | $726.5K | 0.00% | 00.0% | Unchanged |
| HSBC Holdings PLC | 33,852 | $714.3K | 0.00% | −616−1.8% | Reduced |
| Perkins Capital Management Inc | 31,090 | $677.0K | 0.64% | −1,050−3.3% | Reduced |
| Engineers Gate Manager LP | 27,372 | $595.9K | 0.01% | −2,624−8.7% | Reduced |
| Invesco Ltd. | 27,048 | $588.8K | 0.00% | −348−1.3% | Reduced |
| Campbell & CO Investment Adviser LLC | 27,033 | $588.5K | 0.05% | +27,033 | New |
| SG Americas Securities, LLC | 26,989 | $588.0K | 0.00% | +26,989 | New |
| Parallel Advisors, LLC | 26,468 | $576.2K | 0.01% | −200−0.7% | Reduced |
| JPMorgan Chase & Co | 26,168 | $569.7K | 0.00% | −49,975−65.6% | Reduced |
| STRS Ohio | 25,800 | $561.7K | 0.00% | +3,100+13.7% | Added |
| California State Teachers Retirement System | 25,428 | $553.6K | 0.00% | −56−0.2% | Reduced |
| Knights of Columbus Asset Advisors LLC | 25,133 | $547.1K | 0.04% | 00.0% | Unchanged |
| Legal & General Group Plc | 24,390 | $531.0K | 0.00% | −381−1.5% | Reduced |
| Summit Global Investments | 23,812 | $518.0K | 0.03% | +23,812 | New |
| Stephens Inc | 23,773 | $517.5K | 0.01% | −10,961−31.6% | Reduced |
| Simon Quick Advisors, LLC | 23,608 | $513.9K | 0.04% | −5,454−18.8% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 23,361 | $508.6K | 0.03% | −1,242−5.0% | Reduced |
| Captrust Financial Advisors | 21,125 | $459.9K | 0.00% | +75+0.4% | Added |
| Price T Rowe Associates Inc | 20,648 | $450.0K | 0.00% | +2,614+14.5% | Added |
| Alpha DNA Investment Management LLC | 20,038 | $436.2K | 0.25% | −3,002−13.0% | Reduced |
| Centiva Capital, LP | 19,273 | $419.6K | 0.02% | +9,771+102.8% | Added |
| Cresset Asset Management, LLC | 18,710 | $407.3K | 0.00% | +18,710 | New |
| TownSquare Capital, LLC | 18,582 | $404.5K | 0.01% | −770−4.0% | Reduced |
| Millrace Asset Group, Inc. | 17,506 | $381.0K | 0.37% | −32,267−64.8% | Reduced |
| State of Wisconsin Investment Board | 16,823 | $366.2K | 0.00% | −819−4.6% | Reduced |
| Two Sigma Investments, LP | 16,800 | $365.7K | 0.00% | +100+0.6% | Added |
| Royce & Associates LP | 15,365 | $334.5K | 0.00% | +4,240+38.1% | Added |
| Graham Capital Management, L.P. | 14,852 | $323.3K | 0.01% | +2,662+21.8% | Added |
| Diversify Wealth Management, LLC | 14,756 | $322.4K | 0.04% | +14,756 | New |
| Thrivent Financial for Lutherans | 14,738 | $321.0K | 0.00% | +14,738 | New |
| MetLife Investment Management | 14,372 | $312.9K | 0.00% | +2,003+16.2% | Added |
| Premier Fund Managers Ltd | 14,783 | $312.0K | 0.01% | 00.0% | Unchanged |
| Truist Financial Corp | 14,217 | $309.5K | 0.00% | +2,420+20.5% | Added |
| Legato Capital Management LLC | 14,155 | $308.2K | 0.04% | +14,155 | New |