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, Q3 2024
Institutional positions in Castle Biosciences Inc as of Sep 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
- 185
- +27 vs. Q2 2024
- Shares held
- 25.8M
- +3.63M (+16.4%) vs. Q2 2024
- Total value
- $736.9M
- +$253.8M (+52.5%) vs. Q2 2024
- New holders
- 43
- 75 more added
- Sold out
- 16
- 47 more reduced
1 institution that held it in Q2 2024 haven't filed for Q3 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 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, Q3 2024
Shares, value and share of portfolio for each institution holding Castle Biosciences Inc; share changes are against Q2 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 3,120,272 | $89.0M | 0.00% | +3,120,272 | New |
| Wasatch Advisors Inc | 1,826,092 | $52.1M | 0.26% | −501,844−21.6% | Reduced |
| Vanguard Group Inc | 1,748,752 | $49.9M | 0.00% | +171,238+10.9% | Added |
| Principal Financial Group Inc | 1,538,520 | $43.9M | 0.02% | +40,377+2.7% | Added |
| Bellevue Group AG | 1,262,030 | $36.0M | 0.58% | +44,929+3.7% | Added |
| Portolan Capital Management, LLC | 1,255,628 | $35.8M | 2.60% | +44,676+3.7% | Added |
| Dimensional Fund Advisors LP | 864,821 | $24.7M | 0.01% | +54,887+6.8% | Added |
| State Street Corp | 680,001 | $19.4M | 0.00% | +60,924+9.8% | Added |
| Soleus Capital Management, L.P. | 662,332 | $18.9M | 1.57% | −191,296−22.4% | Reduced |
| Citadel Advisors LLC | 633,016 | $18.1M | 0.02% | −60,369−8.7% | Reduced |
| Geode Capital Management, LLC | 624,683 | $17.8M | 0.00% | +7,004+1.1% | Added |
| Nuveen Asset Management, LLC | 542,593 | $15.5M | 0.00% | +256,082+89.4% | Added |
| Palisade Capital Management LLC | 502,317 | $14.3M | 0.38% | −35,657−6.6% | Reduced |
| Point72 Asset Management, L.P. | 499,192 | $14.2M | 0.05% | +445,415+828.3% | Added |
| Jacobs Levy Equity Management, Inc | 496,521 | $14.2M | 0.05% | −21,456−4.1% | Reduced |
| Renaissance Technologies LLC | 489,562 | $14.0M | 0.02% | +188,062+62.4% | Added |
| Granahan Investment Management Inc | 425,220 | $12.1M | 0.48% | −633,721−59.8% | Reduced |
| Kornitzer Capital Management Inc | 407,238 | $11.6M | 0.21% | −135,636−25.0% | Reduced |
| Acadian Asset Management LLC | 401,238 | $11.4M | 0.04% | +120,741+43.0% | Added |
| Morgan Stanley | 396,919 | $11.3M | 0.00% | +147,539+59.2% | Added |
| Ameriprise Financial Inc | 349,229 | $9.96M | 0.00% | +55,207+18.8% | Added |
| Braidwell LP | 331,986 | $9.47M | 0.27% | −84,114−20.2% | Reduced |
| Parkman Healthcare Partners LLC | 296,071 | $8.44M | 1.08% | +18,176+6.5% | Added |
| Charles Schwab Investment Management Inc | 274,761 | $7.84M | 0.00% | +39,417+16.7% | Added |
| Northern Trust Corp | 261,930 | $7.47M | 0.00% | +23,439+9.8% | Added |
| Goldman Sachs Group Inc | 242,800 | $6.92M | 0.00% | +25,663+11.8% | Added |
| Next Century Growth Investors LLC | 234,091 | $6.68M | 0.54% | −2,739−1.2% | Reduced |
| Marshall Wace, LLP | 220,797 | $6.30M | 0.01% | +8,761+4.1% | Added |
| Intrinsic Edge Capital Management LLC | 212,711 | $6.07M | 0.75% | −41,700−16.4% | Reduced |
| Silvercrest Asset Management Group LLC | 201,921 | $5.76M | 0.04% | +201,921 | New |
| Bank of America Corp | 201,747 | $5.75M | 0.00% | +122,135+153.4% | Added |
| Cubist Systematic Strategies, LLC | 190,570 | $5.44M | 0.08% | +98,095+106.1% | Added |
| New York State Common Retirement Fund | 183,931 | $5.25M | 0.01% | −3,800−2.0% | Reduced |
| Advisors Capital Management, LLC | 167,927 | $4.79M | 0.08% | +25,626+18.0% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 165,458 | $4.72M | 0.02% | +98,571+147.4% | Added |
| Shelton Capital Management | 164,008 | $4.68M | 0.12% | +164,008 | New |
| Trexquant Investment LP | 159,624 | $4.55M | 0.06% | +116,973+274.3% | Added |
| Lisanti Capital Growth, LLC | 154,710 | $4.41M | 1.12% | +58,160+60.2% | Added |
| Harbor Capital Advisors, Inc. | 153,907 | $4.39M | 0.19% | +15,200+11.0% | Added |
| Millennium Management LLC | 140,537 | $4.01M | 0.00% | +105,710+303.5% | Added |
| Algert Global LLC | 134,321 | $3.83M | 0.10% | +599+0.4% | Added |
| Jane Street Group, LLC | 134,284 | $3.83M | 0.01% | +97,260+262.7% | Added |
| Public Employees Retirement System of Ohio | 88,908 | $2.54M | 0.01% | 00.0% | Unchanged |
| Franklin Resources Inc | 69,382 | $2.38M | 0.00% | +32,344+87.3% | Added |
| Bank of New York Mellon Corp | 76,578 | $2.18M | 0.00% | −20,110−20.8% | Reduced |
| Brinker Capital Investments, LLC | 72,405 | $2.06M | 0.02% | +10,324+16.6% | Added |
| Orion Portfolio Solutions, LLC | 72,405 | $2.06M | 0.02% | +10,324+16.6% | Added |
| Allianz Asset Management GmbH | 70,553 | $2.01M | 0.00% | +70,553 | New |
| JPMorgan Chase & Co | 69,409 | $1.98M | 0.00% | +43,241+165.2% | Added |
| Envestnet Asset Management Inc | 67,386 | $1.92M | 0.00% | +20,289+43.1% | Added |
| Pura Vida Investments, LLC | 62,868 | $1.79M | 2.95% | −90,518−59.0% | Reduced |
| Deutsche Bank AG | 60,172 | $1.72M | 0.00% | −249,339−80.6% | Reduced |
| Birchview Capital, LP | 58,000 | $1.65M | 1.43% | +24,000+70.6% | Added |
| Qube Research & Technologies Ltd | 57,845 | $1.65M | 0.00% | +57,845 | New |
| Schonfeld Strategic Advisors LLC | 56,000 | $1.60M | 0.01% | +4,753+9.3% | Added |
| UBS Asset Management Americas Inc | 55,532 | $1.58M | 0.00% | −604−1.1% | Reduced |
| Tritonpoint Wealth, LLC | 56,637 | $1.58M | 0.14% | −13,762−19.5% | Reduced |
| UBS Group AG | 54,134 | $1.54M | 0.00% | +5,411+11.1% | Added |
| American Century Companies Inc | 53,983 | $1.54M | 0.00% | +11,165+26.1% | Added |
| Barclays PLC | 52,301 | $1.49M | 0.00% | +39,567+310.7% | Added |
| Gsa Capital Partners LLP | 51,827 | $1.48M | 0.11% | +51,827 | New |
| Swiss National Bank | 51,300 | $1.46M | 0.00% | 00.0% | Unchanged |
| Engineers Gate Manager LP | 50,082 | $1.43M | 0.03% | +22,710+83.0% | Added |
| Tudor Investment Corp Et Al | 49,490 | $1.41M | 0.02% | +15,552+45.8% | Added |
| ExodusPoint Capital Management, LP | 44,263 | $1.26M | 0.01% | +4,128+10.3% | Added |
| Dynamic Technology Lab Private Ltd | 43,894 | $1.25M | 0.13% | +43,894 | New |
| CWM Advisors, LLC | 42,516 | $1.21M | 0.12% | +5,349+14.4% | Added |
| Balyasny Asset Management LLC | 41,367 | $1.18M | 0.00% | +41,367 | New |
| Rhumbline Advisers | 40,901 | $1.17M | 0.00% | −995−2.4% | Reduced |
| Campbell & CO Investment Adviser LLC | 39,889 | $1.14M | 0.08% | +12,856+47.6% | Added |
| SEI Investments Co | 37,874 | $1.08M | 0.00% | +37,874 | New |
| ABG Innovation Capital Partners III GP Ltd | 36,747 | $1.05M | 93.29% | 00.0% | Unchanged |
| Jump Financial, LLC | 36,136 | $1.03M | 0.02% | +36,136 | New |
| Squarepoint Ops LLC | 35,459 | $1.01M | 0.00% | +35,459 | New |
| Boothbay Fund Management, LLC | 35,000 | $998.2K | 0.03% | −65,000−65.0% | Reduced |
| Alliancebernstein L.P. | 33,370 | $951.7K | 0.00% | 00.0% | Unchanged |
| Perkins Capital Management Inc | 32,640 | $930.9K | 0.87% | +1,550+5.0% | Added |
| Summit Global Investments | 30,441 | $868.0K | 0.06% | +6,629+27.8% | Added |
| Legal & General Group Plc | 29,120 | $830.5K | 0.00% | +4,730+19.4% | Added |
| Parallel Advisors, LLC | 27,992 | $798.3K | 0.02% | +1,524+5.8% | Added |
| Invesco Ltd. | 26,918 | $767.7K | 0.00% | −130−0.5% | Reduced |
| LPL Financial LLC | 26,464 | $754.8K | 0.00% | +26,464 | New |
| Legato Capital Management LLC | 26,285 | $749.6K | 0.09% | +12,130+85.7% | Added |
| Citigroup Inc | 25,579 | $729.5K | 0.00% | −42,655−62.5% | Reduced |
| Russell Investments Group, Ltd. | 25,374 | $723.7K | 0.00% | −9,131−26.5% | Reduced |
| California State Teachers Retirement System | 24,771 | $706.5K | 0.00% | −657−2.6% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 24,206 | $690.4K | 0.04% | +845+3.6% | Added |
| Thrivent Financial for Lutherans | 23,290 | $664.0K | 0.00% | +8,552+58.0% | Added |
| TownSquare Capital, LLC | 23,270 | $663.7K | 0.01% | +4,688+25.2% | Added |
| HSBC Holdings PLC | 23,107 | $653.9K | 0.00% | −10,745−31.7% | Reduced |
| Fan Yu | 22,503 | $641.8K | 1.98% | −14,244−38.8% | Reduced |
| Price T Rowe Associates Inc | 20,860 | $595.0K | 0.00% | +212+1.0% | Added |
| Truist Financial Corp | 20,375 | $581.1K | 0.00% | +6,158+43.3% | Added |
| Centiva Capital, LP | 19,368 | $552.4K | 0.03% | +95+0.5% | Added |
| STRS Ohio | 19,100 | $544.7K | 0.00% | −6,700−26.0% | Reduced |
| HRT Financial LP | 17,861 | $509.0K | 0.00% | +17,861 | New |
| Baader Bank INC | 17,300 | $493.4K | 0.04% | +17,300 | New |
| Deerfield Management Company, L.P. (Series C) | 16,943 | $483.2K | 0.01% | −857,666−98.1% | Reduced |
| State of Wisconsin Investment Board | 16,823 | $479.8K | 0.00% | 00.0% | Unchanged |
| Alpha DNA Investment Management LLC | 16,763 | $478.1K | 0.26% | −3,275−16.3% | Reduced |