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 |
|---|---|---|---|---|---|
| Russell Investments Group, Ltd. | 25,374 | $723.7K | 0.00% | −9,131−26.5% | Reduced |
| Citigroup Inc | 25,579 | $729.5K | 0.00% | −42,655−62.5% | Reduced |
| Legato Capital Management LLC | 26,285 | $749.6K | 0.09% | +12,130+85.7% | Added |
| LPL Financial LLC | 26,464 | $754.8K | 0.00% | +26,464 | New |
| Invesco Ltd. | 26,918 | $767.7K | 0.00% | −130−0.5% | Reduced |
| Parallel Advisors, LLC | 27,992 | $798.3K | 0.02% | +1,524+5.8% | Added |
| Legal & General Group Plc | 29,120 | $830.5K | 0.00% | +4,730+19.4% | Added |
| Summit Global Investments | 30,441 | $868.0K | 0.06% | +6,629+27.8% | Added |
| Perkins Capital Management Inc | 32,640 | $930.9K | 0.87% | +1,550+5.0% | Added |
| Alliancebernstein L.P. | 33,370 | $951.7K | 0.00% | 00.0% | Unchanged |
| Boothbay Fund Management, LLC | 35,000 | $998.2K | 0.03% | −65,000−65.0% | Reduced |
| Squarepoint Ops LLC | 35,459 | $1.01M | 0.00% | +35,459 | New |
| Jump Financial, LLC | 36,136 | $1.03M | 0.02% | +36,136 | New |
| ABG Innovation Capital Partners III GP Ltd | 36,747 | $1.05M | 93.29% | 00.0% | Unchanged |
| SEI Investments Co | 37,874 | $1.08M | 0.00% | +37,874 | New |
| Campbell & CO Investment Adviser LLC | 39,889 | $1.14M | 0.08% | +12,856+47.6% | Added |
| Rhumbline Advisers | 40,901 | $1.17M | 0.00% | −995−2.4% | Reduced |
| Balyasny Asset Management LLC | 41,367 | $1.18M | 0.00% | +41,367 | New |
| CWM Advisors, LLC | 42,516 | $1.21M | 0.12% | +5,349+14.4% | Added |
| Dynamic Technology Lab Private Ltd | 43,894 | $1.25M | 0.13% | +43,894 | New |
| ExodusPoint Capital Management, LP | 44,263 | $1.26M | 0.01% | +4,128+10.3% | Added |
| Tudor Investment Corp Et Al | 49,490 | $1.41M | 0.02% | +15,552+45.8% | Added |
| Engineers Gate Manager LP | 50,082 | $1.43M | 0.03% | +22,710+83.0% | Added |
| Swiss National Bank | 51,300 | $1.46M | 0.00% | 00.0% | Unchanged |
| Gsa Capital Partners LLP | 51,827 | $1.48M | 0.11% | +51,827 | New |
| Barclays PLC | 52,301 | $1.49M | 0.00% | +39,567+310.7% | Added |
| American Century Companies Inc | 53,983 | $1.54M | 0.00% | +11,165+26.1% | Added |
| UBS Group AG | 54,134 | $1.54M | 0.00% | +5,411+11.1% | Added |
| Tritonpoint Wealth, LLC | 56,637 | $1.58M | 0.14% | −13,762−19.5% | Reduced |
| UBS Asset Management Americas Inc | 55,532 | $1.58M | 0.00% | −604−1.1% | Reduced |
| Schonfeld Strategic Advisors LLC | 56,000 | $1.60M | 0.01% | +4,753+9.3% | Added |
| Qube Research & Technologies Ltd | 57,845 | $1.65M | 0.00% | +57,845 | New |
| Birchview Capital, LP | 58,000 | $1.65M | 1.43% | +24,000+70.6% | Added |
| Deutsche Bank AG | 60,172 | $1.72M | 0.00% | −249,339−80.6% | Reduced |
| Pura Vida Investments, LLC | 62,868 | $1.79M | 2.95% | −90,518−59.0% | Reduced |
| Envestnet Asset Management Inc | 67,386 | $1.92M | 0.00% | +20,289+43.1% | Added |
| JPMorgan Chase & Co | 69,409 | $1.98M | 0.00% | +43,241+165.2% | Added |
| Allianz Asset Management GmbH | 70,553 | $2.01M | 0.00% | +70,553 | New |
| 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 |
| Bank of New York Mellon Corp | 76,578 | $2.18M | 0.00% | −20,110−20.8% | Reduced |
| Franklin Resources Inc | 69,382 | $2.38M | 0.00% | +32,344+87.3% | Added |
| Public Employees Retirement System of Ohio | 88,908 | $2.54M | 0.01% | 00.0% | Unchanged |
| Jane Street Group, LLC | 134,284 | $3.83M | 0.01% | +97,260+262.7% | Added |
| Algert Global LLC | 134,321 | $3.83M | 0.10% | +599+0.4% | Added |
| Millennium Management LLC | 140,537 | $4.01M | 0.00% | +105,710+303.5% | Added |
| Harbor Capital Advisors, Inc. | 153,907 | $4.39M | 0.19% | +15,200+11.0% | Added |
| Lisanti Capital Growth, LLC | 154,710 | $4.41M | 1.12% | +58,160+60.2% | Added |
| Trexquant Investment LP | 159,624 | $4.55M | 0.06% | +116,973+274.3% | Added |
| Shelton Capital Management | 164,008 | $4.68M | 0.12% | +164,008 | New |
| Connor, Clark & Lunn Investment Management Ltd. | 165,458 | $4.72M | 0.02% | +98,571+147.4% | Added |
| Advisors Capital Management, LLC | 167,927 | $4.79M | 0.08% | +25,626+18.0% | Added |
| New York State Common Retirement Fund | 183,931 | $5.25M | 0.01% | −3,800−2.0% | Reduced |
| Cubist Systematic Strategies, LLC | 190,570 | $5.44M | 0.08% | +98,095+106.1% | Added |
| Bank of America Corp | 201,747 | $5.75M | 0.00% | +122,135+153.4% | Added |
| Silvercrest Asset Management Group LLC | 201,921 | $5.76M | 0.04% | +201,921 | New |
| Intrinsic Edge Capital Management LLC | 212,711 | $6.07M | 0.75% | −41,700−16.4% | Reduced |
| Marshall Wace, LLP | 220,797 | $6.30M | 0.01% | +8,761+4.1% | Added |
| Next Century Growth Investors LLC | 234,091 | $6.68M | 0.54% | −2,739−1.2% | Reduced |
| Goldman Sachs Group Inc | 242,800 | $6.92M | 0.00% | +25,663+11.8% | Added |
| Northern Trust Corp | 261,930 | $7.47M | 0.00% | +23,439+9.8% | Added |
| Charles Schwab Investment Management Inc | 274,761 | $7.84M | 0.00% | +39,417+16.7% | Added |
| Parkman Healthcare Partners LLC | 296,071 | $8.44M | 1.08% | +18,176+6.5% | Added |
| Braidwell LP | 331,986 | $9.47M | 0.27% | −84,114−20.2% | Reduced |
| Ameriprise Financial Inc | 349,229 | $9.96M | 0.00% | +55,207+18.8% | Added |
| Morgan Stanley | 396,919 | $11.3M | 0.00% | +147,539+59.2% | Added |
| Acadian Asset Management LLC | 401,238 | $11.4M | 0.04% | +120,741+43.0% | Added |
| Kornitzer Capital Management Inc | 407,238 | $11.6M | 0.21% | −135,636−25.0% | Reduced |
| Granahan Investment Management Inc | 425,220 | $12.1M | 0.48% | −633,721−59.8% | Reduced |
| Renaissance Technologies LLC | 489,562 | $14.0M | 0.02% | +188,062+62.4% | Added |
| Jacobs Levy Equity Management, Inc | 496,521 | $14.2M | 0.05% | −21,456−4.1% | Reduced |
| Point72 Asset Management, L.P. | 499,192 | $14.2M | 0.05% | +445,415+828.3% | Added |
| Palisade Capital Management LLC | 502,317 | $14.3M | 0.38% | −35,657−6.6% | Reduced |
| Nuveen Asset Management, LLC | 542,593 | $15.5M | 0.00% | +256,082+89.4% | Added |
| Geode Capital Management, LLC | 624,683 | $17.8M | 0.00% | +7,004+1.1% | Added |
| Citadel Advisors LLC | 633,016 | $18.1M | 0.02% | −60,369−8.7% | Reduced |
| Soleus Capital Management, L.P. | 662,332 | $18.9M | 1.57% | −191,296−22.4% | Reduced |
| State Street Corp | 680,001 | $19.4M | 0.00% | +60,924+9.8% | Added |
| Dimensional Fund Advisors LP | 864,821 | $24.7M | 0.01% | +54,887+6.8% | Added |
| Portolan Capital Management, LLC | 1,255,628 | $35.8M | 2.60% | +44,676+3.7% | Added |
| Bellevue Group AG | 1,262,030 | $36.0M | 0.58% | +44,929+3.7% | Added |
| Principal Financial Group Inc | 1,538,520 | $43.9M | 0.02% | +40,377+2.7% | Added |
| Vanguard Group Inc | 1,748,752 | $49.9M | 0.00% | +171,238+10.9% | Added |
| Wasatch Advisors Inc | 1,826,092 | $52.1M | 0.26% | −501,844−21.6% | Reduced |
| BlackRock, Inc. | 3,120,272 | $89.0M | 0.00% | +3,120,272 | New |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −35,979−100.0% | Sold out |
| Knights of Columbus Asset Advisors LLC | 0 | $0 | 0.00% | −25,133−100.0% | Sold out |
| Millrace Asset Group, Inc. | 0 | $0 | 0.00% | −17,506−100.0% | Sold out |
| Royce & Associates LP | 0 | $0 | 0.00% | −15,365−100.0% | Sold out |
| Premier Fund Managers Ltd | 0 | $0 | 0.00% | −14,783−100.0% | Sold out |
| XTX Topco Ltd | 0 | $0 | 0.00% | −10,003−100.0% | Sold out |
| Man Group plc | 0 | $0 | 0.00% | −9,600−100.0% | Sold out |
| Caption Management, LLC | 0 | $0 | 0.00% | −5,600−100.0% | Sold out |
| Harbour Investments, Inc. | 0 | $0 | 0.00% | −2,270−100.0% | Sold out |
| Arcadia Investment Management Corp | 0 | $0 | 0.00% | −522−100.0% | Sold out |
| Opal Wealth Advisors, LLC | 0 | $0 | 0.00% | −339−100.0% | Sold out |
| Point72 Asia (Singapore) Pte. Ltd. | 0 | $0 | 0.00% | −253−100.0% | Sold out |
| Ibex Wealth Advisors | 0 | $0 | 0.00% | −50−100.0% | Sold out |
| Valley National Advisers Inc | 0 | $0 | 0.00% | −85−100.0% | Sold out |
| EverSource Wealth Advisors, LLC | 0 | $0 | 0.00% | −7−100.0% | Sold out |