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 2021
Institutional positions in Castle Biosciences Inc as of Dec 31, 2021. 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
- −27 vs. Q3 2021
- Shares held
- 21.5M
- −44.4K (−0.2%) vs. Q3 2021
- Total value
- $918.6M
- −$503.7M (−35.4%) vs. Q3 2021
- New holders
- 21
- 64 more added
- Sold out
- 48
- 49 more reduced
2 institutions that held it in Q3 2021 haven't filed for Q4 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 2021: 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 2021
Shares, value and share of portfolio for each institution holding Castle Biosciences Inc; share changes are against Q3 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wasatch Advisors Inc | 3,116,488 | $133.6M | 0.55% | +622,786+25.0% | Added |
| BlackRock Inc. | 1,801,387 | $77.2M | 0.00% | +45,379+2.6% | Added |
| ARK Investment Management LLCSuperinvestorARK Invest | 1,213,207 | $52.0M | 0.16% | −844,660−41.0% | Reduced |
| Vanguard Group Inc | 1,162,841 | $49.9M | 0.00% | −3,347−0.3% | Reduced |
| Invesco Ltd. | 1,049,660 | $45.0M | 0.01% | +18,002+1.7% | Added |
| Granahan Investment Management Inc | 737,374 | $31.6M | 0.65% | +286,394+63.5% | Added |
| Macquarie Group Ltd | 656,552 | $28.1M | 0.02% | −12,509−1.9% | Reduced |
| GW&K Investment Management, LLC | 610,292 | $26.2M | 0.22% | +189,918+45.2% | Added |
| RTW Investments, LP | 599,009 | $25.7M | 0.37% | 00.0% | Unchanged |
| Sumitomo Mitsui Trust Holdings, Inc. | 533,677 | $22.9M | 0.01% | +5,755+1.1% | Added |
| Millennium Management LLC | 516,506 | $22.1M | 0.02% | +113,147+28.1% | Added |
| Nikko Asset Management Americas, Inc. | 533,677 | $21.9M | 0.12% | +5,755+1.1% | Added |
| Point72 Asset Management, L.P. | 482,852 | $20.7M | 0.09% | +379,673+368.0% | Added |
| State Street Corp | 456,039 | $19.6M | 0.00% | +21,202+4.9% | Added |
| Allspring Global Investments Holdings, LLC | 452,728 | $19.4M | 0.02% | +452,728 | New |
| Kornitzer Capital Management Inc | 444,342 | $19.0M | 0.28% | +100,525+29.2% | Added |
| Geode Capital Management, LLC | 385,741 | $16.5M | 0.00% | +20,373+5.6% | Added |
| Pembroke Management, LTD | 383,372 | $16.4M | 1.20% | −50,307−11.6% | Reduced |
| Zevenbergen Capital Investments LLC | 369,031 | $15.8M | 0.33% | −155,842−29.7% | Reduced |
| Palisade Capital Management LLC | 352,441 | $15.1M | 0.31% | +352,441 | New |
| Grandeur Peak Global Advisors, LLC | 338,457 | $14.5M | 0.66% | +107,161+46.3% | Added |
| Next Century Growth Investors LLC | 307,844 | $13.2M | 1.19% | +32,402+11.8% | Added |
| Northern Trust Corp | 218,662 | $9.37M | 0.00% | −4,933−2.2% | Reduced |
| ArrowMark Colorado Holdings LLC | 191,225 | $8.20M | 0.07% | +139,992+273.2% | Added |
| UBS Asset Management Americas Inc | 187,243 | $8.03M | 0.00% | +8,588+4.8% | Added |
| Principal Financial Group Inc | 182,667 | $7.83M | 0.00% | +12,851+7.6% | Added |
| Redwood Investments, LLC | 173,793 | $7.45M | 0.59% | −1,868−1.1% | Reduced |
| Charles Schwab Investment Management Inc | 161,915 | $6.94M | 0.00% | +3,492+2.2% | Added |
| Banque Pictet & Cie SA | 159,140 | $6.82M | 0.05% | +133,137+512.0% | Added |
| Lord, Abbett & Co. LLC | 158,810 | $6.81M | 0.02% | −1,550−1.0% | Reduced |
| Trustcore Financial Services, LLC | 142,866 | $6.13M | 0.69% | 00.0% | Unchanged |
| Segall Bryant & Hamill, LLC | 138,957 | $5.96M | 0.06% | +67,582+94.7% | Added |
| Two Sigma Investments, LP | 135,367 | $5.80M | 0.01% | +62,401+85.5% | Added |
| Renaissance Technologies LLC | 134,281 | $5.76M | 0.01% | +134,281 | New |
| New York State Common Retirement Fund | 128,176 | $5.50M | 0.01% | +80,837+170.8% | Added |
| Monarch Partners Asset Management LLC | 114,664 | $4.92M | 1.00% | −47,804−29.4% | Reduced |
| Dimensional Fund Advisors LP | 114,100 | $4.89M | 0.00% | +59,783+110.1% | Added |
| Two Sigma Advisers, LP | 111,500 | $4.78M | 0.01% | +31,700+39.7% | Added |
| Ameriprise Financial Inc | 109,321 | $4.69M | 0.00% | +17,034+18.5% | Added |
| King Luther Capital Management Corp | 109,030 | $4.67M | 0.02% | +19,940+22.4% | Added |
| Wells Fargo & Company | 107,722 | $4.62M | 0.00% | −462,813−81.1% | Reduced |
| Citadel Advisors LLC | 97,886 | $4.20M | 0.00% | −132,553−57.5% | Reduced |
| Essex Investment Management Co LLC | 91,935 | $3.94M | 0.45% | −3,939−4.1% | Reduced |
| DF Dent & Co Inc | 88,451 | $3.79M | 0.04% | −12,109−12.0% | Reduced |
| Bank of New York Mellon Corp | 87,228 | $3.74M | 0.00% | −1,270−1.4% | Reduced |
| Putnam Investments LLC | 77,152 | $3.31M | 0.00% | +5,833+8.2% | Added |
| Public Employees Retirement System of Ohio | 76,687 | $3.29M | 0.01% | +20,433+36.3% | Added |
| Goldman Sachs Group Inc | 71,408 | $3.06M | 0.00% | −156,106−68.6% | Reduced |
| Nuveen Asset Management, LLC | 70,991 | $2.76M | 0.00% | −5,521−7.2% | Reduced |
| Madison Asset Management, LLC | 60,911 | $2.61M | 0.03% | +453+0.7% | Added |
| Premier Fund Managers Ltd | 52,282 | $2.29M | 0.07% | −29,772−36.3% | Reduced |
| Polar Capital Holdings Plc | 44,985 | $1.93M | 0.01% | +8,107+22.0% | Added |
| Swiss National Bank | 44,300 | $1.90M | 0.00% | 00.0% | Unchanged |
| Parametric Portfolio Associates LLC | 42,972 | $1.84M | 0.00% | +9,862+29.8% | Added |
| Morgan Stanley | 42,899 | $1.84M | 0.00% | −26,923−38.6% | Reduced |
| Schonfeld Strategic Advisors LLC | 41,114 | $1.76M | 0.02% | −5,022−10.9% | Reduced |
| Stanley-Laman Group, Ltd. | 39,974 | $1.71M | 0.20% | +39,974 | New |
| Cubist Systematic Strategies, LLC | 39,541 | $1.70M | 0.02% | +32,913+496.6% | Added |
| Bank of America Corp | 38,801 | $1.66M | 0.00% | +17,827+85.0% | Added |
| Isthmus Partners, LLC | 37,809 | $1.62M | 0.27% | +28,247+295.4% | Added |
| Swedbank AB | 35,000 | $1.53M | 0.00% | 00.0% | Unchanged |
| Squarepoint Ops LLC | 34,693 | $1.49M | 0.01% | +34,693 | New |
| Envestnet Asset Management Inc | 33,439 | $1.43M | 0.00% | +441+1.3% | Added |
| Perkins Capital Management Inc | 33,170 | $1.42M | 0.96% | +20+0.1% | Added |
| Victory Capital Management Inc | 30,514 | $1.31M | 0.00% | −289,145−90.5% | Reduced |
| Jump Financial, LLC | 30,244 | $1.30M | 0.08% | +24,544+430.6% | Added |
| Parian Global Management LP | 29,498 | $1.26M | 1.15% | +29,498 | New |
| California State Teachers Retirement System | 28,594 | $1.23M | 0.00% | +688+2.5% | Added |
| Brinker Capital Investments, LLC | 27,720 | $1.19M | 0.02% | −22,441−44.7% | Reduced |
| Oberweis Asset Management Inc | 26,260 | $1.13M | 0.21% | 00.0% | Unchanged |
| Rice Hall James & Associates, LLC | 25,213 | $1.08M | 0.04% | −3,531−12.3% | Reduced |
| EMC Capital Management | 24,847 | $1.06M | 0.57% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 24,700 | $1.06M | 0.00% | 00.0% | Unchanged |
| Bridgewater Associates, LP | 24,424 | $1.05M | 0.01% | −46−0.2% | Reduced |
| Capital Impact Advisors, LLC | 24,429 | $1.05M | 0.72% | +7,726+46.3% | Added |
| JPMorgan Chase & Co | 23,570 | $1.01M | 0.00% | +1,477+6.7% | Added |
| Knights of Columbus Asset Advisors LLC | 22,602 | $969.0K | 0.08% | +400+1.8% | Added |
| Parallel Advisors, LLC | 21,769 | $933.0K | 0.03% | 00.0% | Unchanged |
| Covenant Partners, LLC | 21,279 | $912.0K | 0.34% | 00.0% | Unchanged |
| Rhumbline Advisers | 20,898 | $896.0K | 0.00% | −357−1.7% | Reduced |
| Signaturefd, LLC | 19,415 | $832.0K | 0.03% | +32+0.2% | Added |
| United Capital Financial Advisers, LLC | 17,637 | $756.0K | 0.00% | +197+1.1% | Added |
| Advisors Capital Management, LLC | 17,013 | $729.0K | 0.02% | +2,901+20.6% | Added |
| State of Wisconsin Investment Board | 16,400 | $703.0K | 0.00% | −4,900−23.0% | Reduced |
| Citigroup Inc | 14,567 | $624.0K | 0.00% | −1,061−6.8% | Reduced |
| Chartwell Investment Partners, LLC | 13,901 | $596.0K | 0.02% | −245−1.7% | Reduced |
| Deutsche Bank AG | 13,810 | $592.0K | 0.00% | −9,024−39.5% | Reduced |
| Baird Financial Group, Inc. | 13,675 | $586.0K | 0.00% | −366−2.6% | Reduced |
| Voya Investment Management LLC | 13,502 | $579.0K | 0.00% | +1,438+11.9% | Added |
| Walleye Capital LLC | 13,443 | $576.0K | 0.02% | +13,443 | New |
| Credit Suisse AG | 13,158 | $564.0K | 0.00% | +365+2.9% | Added |
| Qube Research & Technologies Ltd | 12,814 | $549.0K | 0.00% | +6,299+96.7% | Added |
| US Bancorp | 12,774 | $547.0K | 0.00% | −816−6.0% | Reduced |
| Susquehanna Fundamental Investments, LLC | 12,725 | $546.0K | 0.01% | −5,255−29.2% | Reduced |
| American International Group, Inc. | 11,323 | $485.0K | 0.00% | −339−2.9% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 11,165 | $479.0K | 0.00% | +110+1.0% | Added |
| Manufacturers Life Insurance Company, The | 10,933 | $469.0K | 0.00% | +208+1.9% | Added |
| Susquehanna International Group, LLP | 10,707 | $459.0K | 0.00% | +10,707 | New |
| UBS Group AG | 10,398 | $446.0K | 0.00% | +9,142+727.9% | Added |
| Claybrook Capital, LLC | 10,026 | $430.0K | 0.20% | 00.0% | Unchanged |