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 2024
Institutional positions in Castle Biosciences Inc as of Dec 31, 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
- 197
- +13 vs. Q3 2024
- Shares held
- 26.5M
- +681.4K (+2.6%) vs. Q3 2024
- Total value
- $706.4M
- −$30.5M (−4.1%) vs. Q3 2024
- New holders
- 40
- 67 more added
- Sold out
- 27
- 65 more reduced
1 institution that held it in Q3 2024 haven't filed for Q4 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2024
Shares, value and share of portfolio for each institution holding Castle Biosciences Inc; share changes are against Q3 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| STRS Ohio | 18,300 | $487.7K | 0.00% | −800−4.2% | Reduced |
| Engineers Gate Manager LP | 18,722 | $498.9K | 0.01% | −31,360−62.6% | Reduced |
| HSBC Holdings PLC | 19,673 | $519.2K | 0.00% | −3,434−14.9% | Reduced |
| Natixis | 19,600 | $522.3K | 0.00% | +19,600 | New |
| Aquatic Capital Management LLC | 20,218 | $538.8K | 0.01% | +20,218 | New |
| Mackenzie Financial Corp | 21,020 | $560.2K | 0.00% | +21,020 | New |
| AQR Capital Management LLC | 21,115 | $562.7K | 0.00% | +21,115 | New |
| Truist Financial Corp | 21,303 | $567.7K | 0.00% | +928+4.6% | Added |
| Y-Intercept (Hong Kong) Ltd | 21,839 | $582.0K | 0.04% | −2,367−9.8% | Reduced |
| Huntleigh Advisors, Inc. | 22,167 | $590.8K | 0.13% | +22,167 | New |
| TownSquare Capital, LLC | 22,188 | $591.3K | 0.01% | −1,082−4.6% | Reduced |
| Fan Yu | 22,503 | $599.7K | 1.13% | 00.0% | Unchanged |
| Price T Rowe Associates Inc | 22,697 | $605.0K | 0.00% | +1,837+8.8% | Added |
| Centiva Capital, LP | 23,015 | $613.4K | 0.02% | +3,647+18.8% | Added |
| LPL Financial LLC | 23,043 | $614.1K | 0.00% | −3,421−12.9% | Reduced |
| California State Teachers Retirement System | 24,620 | $656.1K | 0.00% | −151−0.6% | Reduced |
| Legal & General Group Plc | 25,952 | $691.6K | 0.00% | −3,168−10.9% | Reduced |
| Nebula Research & Development LLC | 26,674 | $710.9K | 0.08% | +26,674 | New |
| Invesco Ltd. | 27,534 | $733.8K | 0.00% | +616+2.3% | Added |
| Parallel Advisors, LLC | 27,995 | $746.1K | 0.02% | +30.0% | Added |
| Summit Global Investments | 28,476 | $759.0K | 0.05% | −1,965−6.5% | Reduced |
| Arrowstreet Capital, Limited Partnership | 28,903 | $770.3K | 0.00% | +28,903 | New |
| EntryPoint Capital, LLC | 29,144 | $776.7K | 0.33% | +19,862+214.0% | Added |
| Alliancebernstein L.P. | 33,370 | $889.3K | 0.00% | 00.0% | Unchanged |
| Perkins Capital Management Inc | 34,165 | $910.5K | 0.81% | +1,525+4.7% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 35,800 | $954.1K | 0.00% | +35,800 | New |
| ABG Innovation Capital Partners III GP Ltd | 36,747 | $979.3K | 90.45% | 00.0% | Unchanged |
| Rhumbline Advisers | 39,892 | $1.06M | 0.00% | −1,009−2.5% | Reduced |
| Citigroup Inc | 41,327 | $1.10M | 0.00% | +15,748+61.6% | Added |
| SEI Investments Co | 41,491 | $1.11M | 0.00% | +3,617+9.6% | Added |
| Graham Capital Management, L.P. | 41,676 | $1.11M | 0.03% | +26,000+165.9% | Added |
| CWM Advisors, LLC | 45,750 | $1.22M | 0.14% | +3,234+7.6% | Added |
| Lisanti Capital Growth, LLC | 46,265 | $1.23M | 0.30% | −108,445−70.1% | Reduced |
| Campbell & CO Investment Adviser LLC | 46,320 | $1.23M | 0.10% | +6,431+16.1% | Added |
| Tritonpoint Wealth, LLC | 46,637 | $1.24M | 0.11% | −10,000−17.7% | Reduced |
| Barclays PLC | 49,013 | $1.31M | 0.00% | −3,288−6.3% | Reduced |
| Swiss National Bank | 51,300 | $1.37M | 0.00% | 00.0% | Unchanged |
| Jane Street Group, LLC | 59,383 | $1.58M | 0.00% | −74,901−55.8% | Reduced |
| UBS Asset Management Americas Inc | 66,018 | $1.76M | 0.00% | +10,486+18.9% | Added |
| Deutsche Bank AG | 67,667 | $1.80M | 0.00% | +7,495+12.5% | Added |
| Brinker Capital Investments, LLC | 68,316 | $1.82M | 0.02% | −4,089−5.6% | Reduced |
| Orion Portfolio Solutions, LLC | 68,316 | $1.82M | 0.02% | −4,089−5.6% | Reduced |
| American Century Companies Inc | 69,175 | $1.84M | 0.00% | +15,192+28.1% | Added |
| Tudor Investment Corp Et Al | 70,076 | $1.87M | 0.02% | +20,586+41.6% | Added |
| Gsa Capital Partners LLP | 70,801 | $1.89M | 0.14% | +18,974+36.6% | Added |
| Envestnet Asset Management Inc | 73,344 | $1.95M | 0.00% | +5,958+8.8% | Added |
| Hussman Strategic Advisors, Inc. | 73,500 | $1.96M | 0.58% | +73,500 | New |
| Franklin Resources Inc | 73,637 | $1.96M | 0.00% | +4,255+6.1% | Added |
| Public Employees Retirement System of Ohio | 74,132 | $1.98M | 0.01% | −14,776−16.6% | Reduced |
| Birchview Capital, LP | 78,000 | $2.08M | 1.69% | +20,000+34.5% | Added |
| Bank of New York Mellon Corp | 84,459 | $2.25M | 0.00% | +7,881+10.3% | Added |
| D. E. Shaw & Co., Inc. | 90,563 | $2.41M | 0.00% | +90,563 | New |
| JPMorgan Chase & Co | 107,936 | $2.88M | 0.00% | +38,527+55.5% | Added |
| Granahan Investment Management Inc | 110,824 | $2.95M | 0.12% | −314,396−73.9% | Reduced |
| Harbor Capital Advisors, Inc. | 118,500 | $3.16M | 0.14% | −35,407−23.0% | Reduced |
| Jacobs Levy Equity Management, Inc | 134,782 | $3.59M | 0.01% | −361,739−72.9% | Reduced |
| Algert Global LLC | 149,491 | $3.98M | 0.09% | +15,170+11.3% | Added |
| Shelton Capital Management | 164,008 | $4.37M | 0.11% | 00.0% | Unchanged |
| Connor, Clark & Lunn Investment Management Ltd. | 168,713 | $4.50M | 0.02% | +3,255+2.0% | Added |
| Cubist Systematic Strategies, LLC | 177,537 | $4.73M | 0.08% | −13,033−6.8% | Reduced |
| Advisors Capital Management, LLC | 178,935 | $4.77M | 0.08% | +11,008+6.6% | Added |
| New York State Common Retirement Fund | 189,101 | $5.04M | 0.01% | +5,170+2.8% | Added |
| Silvercrest Asset Management Group LLC | 199,950 | $5.33M | 0.04% | −1,971−1.0% | Reduced |
| Trexquant Investment LP | 203,571 | $5.43M | 0.06% | +43,947+27.5% | Added |
| Captrust Financial Advisors | 215,322 | $5.74M | 0.02% | +207,250+2,567.5% | Added |
| Qube Research & Technologies Ltd | 217,544 | $5.80M | 0.01% | +159,699+276.1% | Added |
| Intrinsic Edge Capital Management LLC | 232,711 | $6.20M | 0.84% | +20,000+9.4% | Added |
| Next Century Growth Investors LLC | 235,214 | $6.27M | 0.47% | +1,123+0.5% | Added |
| BNP Paribas Arbitrage, SA | 249,128 | $6.64M | 0.01% | +249,128 | New |
| Soleus Capital Management, L.P. | 252,917 | $6.74M | 0.51% | −409,415−61.8% | Reduced |
| Charles Schwab Investment Management Inc | 258,866 | $6.90M | 0.00% | −15,895−5.8% | Reduced |
| Northern Trust Corp | 284,587 | $7.58M | 0.00% | +22,657+8.7% | Added |
| Parkman Healthcare Partners LLC | 304,629 | $8.12M | 1.08% | +8,558+2.9% | Added |
| Morgan Stanley | 306,677 | $8.17M | 0.00% | −90,242−22.7% | Reduced |
| Ameriprise Financial Inc | 316,036 | $8.42M | 0.00% | −33,193−9.5% | Reduced |
| Allianz Asset Management GmbH | 322,374 | $8.59M | 0.01% | +251,821+356.9% | Added |
| Kornitzer Capital Management Inc | 383,974 | $10.2M | 0.20% | −23,264−5.7% | Reduced |
| Bank of America Corp | 403,553 | $10.8M | 0.00% | +201,806+100.0% | Added |
| Acadian Asset Management LLC | 408,650 | $10.9M | 0.03% | +7,412+1.8% | Added |
| Goldman Sachs Group Inc | 432,750 | $11.5M | 0.00% | +189,950+78.2% | Added |
| Nuveen Asset Management, LLC | 465,526 | $12.4M | 0.00% | −77,067−14.2% | Reduced |
| Palisade Capital Management LLC | 503,442 | $13.4M | 0.36% | +1,125+0.2% | Added |
| Point72 Asset Management, L.P. | 547,104 | $14.6M | 0.04% | +47,912+9.6% | Added |
| Millennium Management LLC | 548,809 | $14.6M | 0.01% | +408,272+290.5% | Added |
| Geode Capital Management, LLC | 628,196 | $16.7M | 0.00% | +3,513+0.6% | Added |
| Renaissance Technologies LLC | 685,000 | $18.3M | 0.03% | +195,438+39.9% | Added |
| State Street Corp | 710,212 | $18.9M | 0.00% | +30,211+4.4% | Added |
| Wellington Management Group LLP | 722,120 | $19.2M | 0.00% | +722,120 | New |
| Bellevue Group AG | 745,982 | $19.9M | 0.38% | −516,048−40.9% | Reduced |
| Portolan Capital Management, LLC | 776,579 | $20.7M | 1.39% | −479,049−38.2% | Reduced |
| UBS Group AG | 812,600 | $21.7M | 0.00% | +758,466+1,401.1% | Added |
| Citadel Advisors LLC | 834,512 | $22.2M | 0.02% | +201,496+31.8% | Added |
| Dimensional Fund Advisors LP | 999,466 | $26.6M | 0.01% | +134,645+15.6% | Added |
| Principal Financial Group Inc | 1,435,665 | $38.3M | 0.02% | −102,855−6.7% | Reduced |
| Wasatch Advisors Inc | 1,796,088 | $47.9M | 0.24% | −30,004−1.6% | Reduced |
| Vanguard Group Inc | 1,832,535 | $48.8M | 0.00% | +83,783+4.8% | Added |
| BlackRock, Inc. | 2,921,309 | $77.9M | 0.00% | −198,963−6.4% | Reduced |
| Braidwell LP | 0 | $0 | 0.00% | −331,986−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −220,797−100.0% | Sold out |
| Pura Vida Investments, LLC | 0 | $0 | 0.00% | −62,868−100.0% | Sold out |