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 2022
Institutional positions in Castle Biosciences Inc as of Sep 30, 2022. 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
- 157
- +11 vs. Q2 2022
- Shares held
- 21.9M
- −701.8K (−3.1%) vs. Q2 2022
- Total value
- $569.8M
- +$74.8M (+15.1%) vs. Q2 2022
- New holders
- 24
- 58 more added
- Sold out
- 13
- 46 more reduced
Compare with Q2 2022: 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 2022
Shares, value and share of portfolio for each institution holding Castle Biosciences Inc; share changes are against Q2 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Polar Capital Holdings Plc | 48,985 | $1.28M | 0.01% | 00.0% | Unchanged |
| Algert Global LLC | 49,932 | $1.30M | 0.08% | +49,932 | New |
| Premier Fund Managers Ltd | 52,282 | $1.33M | 0.10% | 00.0% | Unchanged |
| Swiss National Bank | 52,900 | $1.38M | 0.00% | +2,100+4.1% | Added |
| Cubist Systematic Strategies, LLC | 53,593 | $1.40M | 0.01% | −83,637−60.9% | Reduced |
| Squarepoint Ops LLC | 54,927 | $1.43M | 0.01% | −26,487−32.5% | Reduced |
| Isthmus Partners, LLC | 56,639 | $1.48M | 0.25% | +3,925+7.4% | Added |
| Altium Capital Management LP | 60,000 | $1.56M | 0.59% | +60,000 | New |
| Millrace Asset Group, Inc. | 63,345 | $1.65M | 2.09% | +63,345 | New |
| Voya Investment Management LLC | 65,035 | $1.70M | 0.00% | −69,850−51.8% | Reduced |
| Gsa Capital Partners LLP | 65,249 | $1.70M | 0.23% | +65,249 | New |
| Voloridge Investment Management, LLC | 67,432 | $1.76M | 0.01% | −49,185−42.2% | Reduced |
| Public Employees Retirement System of Ohio | 78,775 | $2.05M | 0.01% | −9,401−10.7% | Reduced |
| Bank of New York Mellon Corp | 81,018 | $2.11M | 0.00% | +9,780+13.7% | Added |
| Russell Investments Group, Ltd. | 86,551 | $2.25M | 0.00% | +86,551 | New |
| Citigroup Inc | 86,973 | $2.27M | 0.00% | −45,964−34.6% | Reduced |
| SEI Investments Co | 88,625 | $2.31M | 0.01% | −17,759−16.7% | Reduced |
| Nuveen Asset Management, LLC | 110,675 | $2.89M | 0.00% | −1,980−1.8% | Reduced |
| Two Sigma Investments, LP | 121,548 | $3.17M | 0.01% | −27,881−18.7% | Reduced |
| Bank of America Corp | 125,074 | $3.26M | 0.00% | +79,149+172.3% | Added |
| Ameriprise Financial Inc | 132,520 | $3.46M | 0.00% | −27,634−17.3% | Reduced |
| Norges Bank | 136,600 | $3.56M | 0.00% | +136,600 | New |
| UBS Asset Management Americas Inc | 146,346 | $3.82M | 0.00% | −10,806−6.9% | Reduced |
| Two Sigma Advisers, LP | 153,400 | $4.00M | 0.01% | −1,900−1.2% | Reduced |
| First Light Asset Management, LLC | 163,224 | $4.26M | 0.43% | +163,224 | New |
| Trustcore Financial Services, LLC | 164,751 | $4.30M | 0.41% | 00.0% | Unchanged |
| Schonfeld Strategic Advisors LLC | 166,394 | $4.34M | 0.04% | −1,369−0.8% | Reduced |
| Charles Schwab Investment Management Inc | 177,626 | $4.63M | 0.00% | +6,585+3.8% | Added |
| Goldman Sachs Group Inc | 182,672 | $4.76M | 0.00% | +62,987+52.6% | Added |
| Monarch Partners Asset Management LLC | 188,631 | $4.92M | 1.48% | +55,589+41.8% | Added |
| Morgan Stanley | 195,802 | $5.11M | 0.00% | +86,863+79.7% | Added |
| Segall Bryant & Hamill, LLC | 202,344 | $5.28M | 0.06% | +4,030+2.0% | Added |
| New York State Common Retirement Fund | 205,234 | $5.35M | 0.01% | +9,435+4.8% | Added |
| Northern Trust Corp | 227,468 | $5.93M | 0.00% | +5,337+2.4% | Added |
| Dimensional Fund Advisors LP | 238,488 | $6.22M | 0.00% | +46,410+24.2% | Added |
| Banque Pictet & Cie SA | 247,718 | $6.46M | 0.07% | +95,652+62.9% | Added |
| Soleus Capital Management, L.P. | 297,840 | $7.77M | 1.06% | +297,840 | New |
| Portolan Capital Management, LLC | 300,590 | $7.84M | 0.83% | +145,622+94.0% | Added |
| Intrinsic Edge Capital Management LLC | 312,400 | $8.15M | 0.91% | +30,000+10.6% | Added |
| Invesco Ltd. | 345,979 | $9.02M | 0.00% | −2,883−0.8% | Reduced |
| Allspring Global Investments Holdings, LLC | 352,242 | $9.19M | 0.02% | −116,600−24.9% | Reduced |
| Principal Financial Group Inc | 435,740 | $11.4M | 0.01% | +186,064+74.5% | Added |
| Essex Investment Management Co LLC | 436,635 | $11.4M | 1.82% | +18,840+4.5% | Added |
| Greenhouse Funds LLLP | 443,237 | $11.6M | 1.35% | +6,149+1.4% | Added |
| Geode Capital Management, LLC | 445,663 | $11.6M | 0.00% | +15,107+3.5% | Added |
| State Street Corp | 497,925 | $13.0M | 0.00% | −6,599−1.3% | Reduced |
| GW&K Investment Management, LLC | 504,063 | $13.1M | 0.15% | −12,234−2.4% | Reduced |
| RTW Investments, LP | 516,995 | $13.5M | 0.31% | −396,794−43.4% | Reduced |
| Palisade Capital Management LLC | 579,944 | $15.1M | 0.43% | +1,011+0.2% | Added |
| Kornitzer Capital Management Inc | 624,196 | $16.3M | 0.35% | −17,316−2.7% | Reduced |
| Citadel Advisors LLC | 732,655 | $19.1M | 0.02% | +102,059+16.2% | Added |
| Granahan Investment Management Inc | 762,217 | $19.9M | 0.65% | −144,547−15.9% | Reduced |
| Bellevue Group AG | 941,871 | $24.6M | 0.35% | +812+0.1% | Added |
| Millennium Management LLC | 962,341 | $25.1M | 0.03% | +60,252+6.7% | Added |
| Vanguard Group Inc | 1,250,733 | $32.6M | 0.00% | +39,937+3.3% | Added |
| BlackRock Inc. | 2,041,824 | $53.3M | 0.00% | +17,569+0.9% | Added |
| Wasatch Advisors Inc | 3,344,747 | $87.2M | 0.61% | −360,771−9.7% | Reduced |
| Sumitomo Mitsui Trust Holdings, Inc. | 0 | $0 | 0.00% | −443,882−100.0% | Sold out |
| Nikko Asset Management Americas, Inc. | 0 | $0 | 0.00% | −443,882−100.0% | Sold out |
| Stonepine Capital Management, LLC | 0 | $0 | 0.00% | −295,372−100.0% | Sold out |
| Stanley-Laman Group, Ltd. | 0 | $0 | 0.00% | −43,875−100.0% | Sold out |
| Cinctive Capital Management LP | 0 | $0 | 0.00% | −40,000−100.0% | Sold out |
| Twinbeech Capital LP | 0 | $0 | 0.00% | −32,866−100.0% | Sold out |
| Rice Hall James & Associates, LLC | 0 | $0 | 0.00% | −26,750−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −18,792−100.0% | Sold out |
| Marshall Wace, LLP | 0 | $0 | 0.00% | −10,400−100.0% | Sold out |
| First Bank & Trust | 0 | $0 | 0.00% | −7,818−100.0% | Sold out |
| Captrust Financial Advisors | 0 | $0 | 0.00% | −497−100.0% | Sold out |
| Prospera Financial Services Inc | 0 | $0 | 0.00% | −125−100.0% | Sold out |
| Tradewinds Capital Management, LLC | 0 | $0 | 0.00% | −5−100.0% | Sold out |