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 |
|---|---|---|---|---|---|
| BlackRock, Inc. | 2,921,309 | $77.9M | 0.00% | −198,963−6.4% | Reduced |
| Vanguard Group Inc | 1,832,535 | $48.8M | 0.00% | +83,783+4.8% | Added |
| Wasatch Advisors Inc | 1,796,088 | $47.9M | 0.24% | −30,004−1.6% | Reduced |
| Principal Financial Group Inc | 1,435,665 | $38.3M | 0.02% | −102,855−6.7% | Reduced |
| Dimensional Fund Advisors LP | 999,466 | $26.6M | 0.01% | +134,645+15.6% | Added |
| Citadel Advisors LLC | 834,512 | $22.2M | 0.02% | +201,496+31.8% | Added |
| UBS Group AG | 812,600 | $21.7M | 0.00% | +758,466+1,401.1% | Added |
| Portolan Capital Management, LLC | 776,579 | $20.7M | 1.39% | −479,049−38.2% | Reduced |
| Bellevue Group AG | 745,982 | $19.9M | 0.38% | −516,048−40.9% | Reduced |
| Wellington Management Group LLP | 722,120 | $19.2M | 0.00% | +722,120 | New |
| State Street Corp | 710,212 | $18.9M | 0.00% | +30,211+4.4% | Added |
| Renaissance Technologies LLC | 685,000 | $18.3M | 0.03% | +195,438+39.9% | Added |
| Geode Capital Management, LLC | 628,196 | $16.7M | 0.00% | +3,513+0.6% | Added |
| Millennium Management LLC | 548,809 | $14.6M | 0.01% | +408,272+290.5% | Added |
| Point72 Asset Management, L.P. | 547,104 | $14.6M | 0.04% | +47,912+9.6% | Added |
| Palisade Capital Management LLC | 503,442 | $13.4M | 0.36% | +1,125+0.2% | Added |
| Nuveen Asset Management, LLC | 465,526 | $12.4M | 0.00% | −77,067−14.2% | Reduced |
| Goldman Sachs Group Inc | 432,750 | $11.5M | 0.00% | +189,950+78.2% | Added |
| Acadian Asset Management LLC | 408,650 | $10.9M | 0.03% | +7,412+1.8% | Added |
| Bank of America Corp | 403,553 | $10.8M | 0.00% | +201,806+100.0% | Added |
| Kornitzer Capital Management Inc | 383,974 | $10.2M | 0.20% | −23,264−5.7% | Reduced |
| Allianz Asset Management GmbH | 322,374 | $8.59M | 0.01% | +251,821+356.9% | Added |
| Ameriprise Financial Inc | 316,036 | $8.42M | 0.00% | −33,193−9.5% | Reduced |
| Morgan Stanley | 306,677 | $8.17M | 0.00% | −90,242−22.7% | Reduced |
| Parkman Healthcare Partners LLC | 304,629 | $8.12M | 1.08% | +8,558+2.9% | Added |
| Northern Trust Corp | 284,587 | $7.58M | 0.00% | +22,657+8.7% | Added |
| Charles Schwab Investment Management Inc | 258,866 | $6.90M | 0.00% | −15,895−5.8% | Reduced |
| Soleus Capital Management, L.P. | 252,917 | $6.74M | 0.51% | −409,415−61.8% | Reduced |
| BNP Paribas Arbitrage, SA | 249,128 | $6.64M | 0.01% | +249,128 | New |
| Next Century Growth Investors LLC | 235,214 | $6.27M | 0.47% | +1,123+0.5% | Added |
| Intrinsic Edge Capital Management LLC | 232,711 | $6.20M | 0.84% | +20,000+9.4% | Added |
| Qube Research & Technologies Ltd | 217,544 | $5.80M | 0.01% | +159,699+276.1% | Added |
| Captrust Financial Advisors | 215,322 | $5.74M | 0.02% | +207,250+2,567.5% | Added |
| Trexquant Investment LP | 203,571 | $5.43M | 0.06% | +43,947+27.5% | Added |
| Silvercrest Asset Management Group LLC | 199,950 | $5.33M | 0.04% | −1,971−1.0% | Reduced |
| New York State Common Retirement Fund | 189,101 | $5.04M | 0.01% | +5,170+2.8% | Added |
| Advisors Capital Management, LLC | 178,935 | $4.77M | 0.08% | +11,008+6.6% | Added |
| Cubist Systematic Strategies, LLC | 177,537 | $4.73M | 0.08% | −13,033−6.8% | Reduced |
| Connor, Clark & Lunn Investment Management Ltd. | 168,713 | $4.50M | 0.02% | +3,255+2.0% | Added |
| Shelton Capital Management | 164,008 | $4.37M | 0.11% | 00.0% | Unchanged |
| Algert Global LLC | 149,491 | $3.98M | 0.09% | +15,170+11.3% | Added |
| Jacobs Levy Equity Management, Inc | 134,782 | $3.59M | 0.01% | −361,739−72.9% | Reduced |
| Harbor Capital Advisors, Inc. | 118,500 | $3.16M | 0.14% | −35,407−23.0% | Reduced |
| Granahan Investment Management Inc | 110,824 | $2.95M | 0.12% | −314,396−73.9% | Reduced |
| JPMorgan Chase & Co | 107,936 | $2.88M | 0.00% | +38,527+55.5% | Added |
| D. E. Shaw & Co., Inc. | 90,563 | $2.41M | 0.00% | +90,563 | New |
| Bank of New York Mellon Corp | 84,459 | $2.25M | 0.00% | +7,881+10.3% | Added |
| Birchview Capital, LP | 78,000 | $2.08M | 1.69% | +20,000+34.5% | Added |
| Public Employees Retirement System of Ohio | 74,132 | $1.98M | 0.01% | −14,776−16.6% | Reduced |
| Franklin Resources Inc | 73,637 | $1.96M | 0.00% | +4,255+6.1% | Added |
| Hussman Strategic Advisors, Inc. | 73,500 | $1.96M | 0.58% | +73,500 | New |
| Envestnet Asset Management Inc | 73,344 | $1.95M | 0.00% | +5,958+8.8% | Added |
| Gsa Capital Partners LLP | 70,801 | $1.89M | 0.14% | +18,974+36.6% | Added |
| Tudor Investment Corp Et Al | 70,076 | $1.87M | 0.02% | +20,586+41.6% | Added |
| American Century Companies Inc | 69,175 | $1.84M | 0.00% | +15,192+28.1% | 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 |
| Deutsche Bank AG | 67,667 | $1.80M | 0.00% | +7,495+12.5% | Added |
| UBS Asset Management Americas Inc | 66,018 | $1.76M | 0.00% | +10,486+18.9% | Added |
| Jane Street Group, LLC | 59,383 | $1.58M | 0.00% | −74,901−55.8% | Reduced |
| Swiss National Bank | 51,300 | $1.37M | 0.00% | 00.0% | Unchanged |
| Barclays PLC | 49,013 | $1.31M | 0.00% | −3,288−6.3% | Reduced |
| Tritonpoint Wealth, LLC | 46,637 | $1.24M | 0.11% | −10,000−17.7% | Reduced |
| Campbell & CO Investment Adviser LLC | 46,320 | $1.23M | 0.10% | +6,431+16.1% | Added |
| Lisanti Capital Growth, LLC | 46,265 | $1.23M | 0.30% | −108,445−70.1% | Reduced |
| CWM Advisors, LLC | 45,750 | $1.22M | 0.14% | +3,234+7.6% | Added |
| Graham Capital Management, L.P. | 41,676 | $1.11M | 0.03% | +26,000+165.9% | Added |
| SEI Investments Co | 41,491 | $1.11M | 0.00% | +3,617+9.6% | Added |
| Citigroup Inc | 41,327 | $1.10M | 0.00% | +15,748+61.6% | Added |
| Rhumbline Advisers | 39,892 | $1.06M | 0.00% | −1,009−2.5% | Reduced |
| ABG Innovation Capital Partners III GP Ltd | 36,747 | $979.3K | 90.45% | 00.0% | Unchanged |
| Healthcare of Ontario Pension Plan Trust Fund | 35,800 | $954.1K | 0.00% | +35,800 | New |
| Perkins Capital Management Inc | 34,165 | $910.5K | 0.81% | +1,525+4.7% | Added |
| Alliancebernstein L.P. | 33,370 | $889.3K | 0.00% | 00.0% | Unchanged |
| EntryPoint Capital, LLC | 29,144 | $776.7K | 0.33% | +19,862+214.0% | Added |
| Arrowstreet Capital, Limited Partnership | 28,903 | $770.3K | 0.00% | +28,903 | New |
| Summit Global Investments | 28,476 | $759.0K | 0.05% | −1,965−6.5% | Reduced |
| Parallel Advisors, LLC | 27,995 | $746.1K | 0.02% | +30.0% | Added |
| Invesco Ltd. | 27,534 | $733.8K | 0.00% | +616+2.3% | Added |
| Nebula Research & Development LLC | 26,674 | $710.9K | 0.08% | +26,674 | New |
| Legal & General Group Plc | 25,952 | $691.6K | 0.00% | −3,168−10.9% | Reduced |
| California State Teachers Retirement System | 24,620 | $656.1K | 0.00% | −151−0.6% | Reduced |
| LPL Financial LLC | 23,043 | $614.1K | 0.00% | −3,421−12.9% | Reduced |
| Centiva Capital, LP | 23,015 | $613.4K | 0.02% | +3,647+18.8% | Added |
| Price T Rowe Associates Inc | 22,697 | $605.0K | 0.00% | +1,837+8.8% | Added |
| Fan Yu | 22,503 | $599.7K | 1.13% | 00.0% | Unchanged |
| TownSquare Capital, LLC | 22,188 | $591.3K | 0.01% | −1,082−4.6% | Reduced |
| Huntleigh Advisors, Inc. | 22,167 | $590.8K | 0.13% | +22,167 | New |
| Y-Intercept (Hong Kong) Ltd | 21,839 | $582.0K | 0.04% | −2,367−9.8% | Reduced |
| Truist Financial Corp | 21,303 | $567.7K | 0.00% | +928+4.6% | Added |
| AQR Capital Management LLC | 21,115 | $562.7K | 0.00% | +21,115 | New |
| Mackenzie Financial Corp | 21,020 | $560.2K | 0.00% | +21,020 | New |
| Aquatic Capital Management LLC | 20,218 | $538.8K | 0.01% | +20,218 | New |
| Natixis | 19,600 | $522.3K | 0.00% | +19,600 | New |
| HSBC Holdings PLC | 19,673 | $519.2K | 0.00% | −3,434−14.9% | Reduced |
| Engineers Gate Manager LP | 18,722 | $498.9K | 0.01% | −31,360−62.6% | Reduced |
| STRS Ohio | 18,300 | $487.7K | 0.00% | −800−4.2% | Reduced |
| Dynamic Technology Lab Private Ltd | 17,630 | $470.0K | 0.08% | −26,264−59.8% | Reduced |
| Susquehanna International Group, LLP | 17,434 | $464.6K | 0.00% | +17,434 | New |
| Squarepoint Ops LLC | 17,317 | $461.5K | 0.00% | −18,142−51.2% | Reduced |