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, Q1 2022
Institutional positions in Castle Biosciences Inc as of Mar 31, 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
- 160
- +3 vs. Q4 2021
- Shares held
- 22.8M
- +1.36M (+6.4%) vs. Q4 2021
- Total value
- $1.02B
- +$101.7M (+11.1%) vs. Q4 2021
- New holders
- 23
- 72 more added
- Sold out
- 20
- 42 more reduced
2 institutions that held it in Q4 2021 haven't filed for Q1 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 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, Q1 2022
Shares, value and share of portfolio for each institution holding Castle Biosciences Inc; share changes are against Q4 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Manufacturers Life Insurance Company, The | 8,670 | $388.9K | 0.00% | −2,263−20.7% | Reduced |
| Citigroup Inc | 8,643 | $388.0K | 0.00% | −5,924−40.7% | Reduced |
| Mesirow Financial Investment Management, Inc. | 7,985 | $358.0K | 1.21% | +25+0.3% | Added |
| DekaBank Deutsche Girozentrale | 7,900 | $348.0K | 0.00% | +700+9.7% | Added |
| Jane Street Group, LLC | 7,660 | $344.0K | 0.00% | +7,660 | New |
| Prelude Capital Management, LLC | 7,467 | $335.0K | 0.02% | +1,612+27.5% | Added |
| Spearhead Capital Advisors, LLC | 7,437 | $334.0K | 0.04% | +7,437 | New |
| NinePointTwo Capital | 6,965 | $312.0K | 0.08% | 00.0% | Unchanged |
| ProShare Advisors LLC | 6,625 | $298.0K | 0.00% | −1,593−19.4% | Reduced |
| Truist Financial Corp | 6,510 | $292.0K | 0.00% | +379+6.2% | Added |
| Park Avenue Securities LLC | 6,478 | $291.0K | 0.01% | +6,478 | New |
| Advisor Group Holdings, Inc. | 6,247 | $279.0K | 0.00% | −998−13.8% | Reduced |
| Arizona State Retirement System | 5,471 | $245.0K | 0.00% | +52+1.0% | Added |
| Commerce Bank | 5,260 | $236.0K | 0.00% | 00.0% | Unchanged |
| Cullen/Frost Bankers, Inc. | 5,220 | $234.0K | 0.00% | −210−3.9% | Reduced |
| Oppenheimer Asset Management Inc. | 4,989 | $223.0K | 0.00% | +4,989 | New |
| SG Americas Securities, LLC | 4,673 | $210.0K | 0.00% | −3,554−43.2% | Reduced |
| State Board of Administration of Florida Retirement System | 4,654 | $209.0K | 0.00% | +4,654 | New |
| Commonwealth Equity Services, LLC | 4,603 | $206.0K | 0.00% | +4,603 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 4,175 | $187.0K | 0.00% | −901−17.8% | Reduced |
| First Bank & Trust | 4,110 | $184.0K | 0.06% | +733+21.7% | Added |
| UBS Group AG | 3,849 | $173.0K | 0.00% | −6,549−63.0% | Reduced |
| The PNC Financial Services Group, Inc. | 3,745 | $168.0K | 0.00% | +1,290+52.5% | Added |
| Barclays PLC | 3,553 | $159.0K | 0.00% | +3,553 | New |
| Amalgamated Bank | 3,397 | $152.0K | 0.00% | +3,397 | New |
| Amalgamated Financial Corp. | 3,397 | $152.0K | 0.00% | +3,397 | New |
| Tower Research Capital LLC (TRC) | 2,843 | $128.0K | 0.00% | +2,400+541.8% | Added |
| STRS Ohio | 2,800 | $125.0K | 0.00% | 00.0% | Unchanged |
| Royal Bank of Canada | 1,662 | $75.0K | 0.00% | −3,342−66.8% | Reduced |
| Ameritas Investment Partners, Inc. | 1,671 | $75.0K | 0.00% | 00.0% | Unchanged |
| Metropolitan Life Insurance Co | 1,410 | $63.3K | 0.00% | −4,565−76.4% | Reduced |
| Lazard Asset Management LLC | 1,277 | $57.0K | 0.00% | +1,277 | New |
| Great West Life Assurance Co | 971 | $46.0K | 0.00% | 00.0% | Unchanged |
| Ensign Peak Advisors, Inc | 890 | $40.0K | 0.00% | 00.0% | Unchanged |
| State of Wyoming | 772 | $35.0K | 0.02% | +206+36.4% | Added |
| First Horizon Advisors, Inc. | 598 | $27.0K | 0.00% | +138+30.0% | Added |
| Harbor Investment Advisory, LLC | 542 | $24.0K | 0.00% | 00.0% | Unchanged |
| Creative Financial Designs Inc | 500 | $22.0K | 0.00% | 00.0% | Unchanged |
| Captrust Financial Advisors | 466 | $21.0K | 0.00% | +34+7.9% | Added |
| FMR LLC | 451 | $20.0K | 0.00% | +451 | New |
| Baillie Gifford & Co | 225 | $10.0K | 0.00% | 00.0% | Unchanged |
| Rockefeller Capital Management L.P. | 222 | $9.00K | 0.00% | +22+11.0% | Added |
| TCI Wealth Advisors, Inc. | 171 | $8.00K | 0.00% | +26+17.9% | Added |
| Nisa Investment Advisors, LLC | 140 | $6.00K | 0.00% | −60−30.0% | Reduced |
| Prospera Financial Services Inc | 125 | $6.00K | 0.00% | +125 | New |
| Assetmark, Inc | 100 | $4.00K | 0.00% | 00.0% | Unchanged |
| Daiwa Securities Group Inc. | 86 | $4.00K | 0.00% | 00.0% | Unchanged |
| Quadrant Capital Group LLC | 66 | $3.00K | 0.00% | +66 | New |
| Huntington National Bank | 42 | $2.00K | 0.00% | 00.0% | Unchanged |
| Global Retirement Partners, LLC | 77 | $2.00K | 0.00% | +27+54.0% | Added |
| Howe & Rusling Inc | 25 | $1.00K | 0.00% | −8−24.2% | Reduced |
| SRS Capital Advisors, Inc. | 12 | $1.00K | 0.00% | 00.0% | Unchanged |
| FourThought Financial, LLC | 28 | $1.00K | 0.00% | 00.0% | Unchanged |
| Missouri Trust & Investment Co | 19 | $1.00K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 20 | $1.00K | 0.00% | +18+900.0% | Added |
| Clearstead Advisors, LLC | 22 | $1.00K | 0.00% | +22 | New |
| Glassman Wealth Services | 23 | $1.00K | 0.00% | +23 | New |
| Lindbrook Capital, LLC | 16 | $1.00K | 0.00% | +16 | New |
| Capital Advisors, Ltd. LLC | 8 | $0 | 0.00% | +8 | New |
| Tradewinds Capital Management, LLC | 5 | $0 | 0.00% | +5 | New |
| Two Sigma Investments, LP | 0 | $0 | 0.00% | −135,367−100.0% | Sold out |
| Putnam Investments LLC | 0 | $0 | 0.00% | −77,152−100.0% | Sold out |
| Parian Global Management LP | 0 | $0 | 0.00% | −29,498−100.0% | Sold out |
| Oberweis Asset Management Inc | 0 | $0 | 0.00% | −26,260−100.0% | Sold out |
| EMC Capital Management | 0 | $0 | 0.00% | −24,847−100.0% | Sold out |
| Walleye Capital LLC | 0 | $0 | 0.00% | −13,443−100.0% | Sold out |
| Qube Research & Technologies Ltd | 0 | $0 | 0.00% | −12,814−100.0% | Sold out |
| Susquehanna International Group, LLP | 0 | $0 | 0.00% | −10,707−100.0% | Sold out |
| Dynamic Technology Lab Private Ltd | 0 | $0 | 0.00% | −8,710−100.0% | Sold out |
| Handelsbanken Fonder AB | 0 | $0 | 0.00% | −8,000−100.0% | Sold out |
| First Trust Advisors LP | 0 | $0 | 0.00% | −7,936−100.0% | Sold out |
| Aristides Capital LLC | 0 | $0 | 0.00% | −6,910−100.0% | Sold out |
| Prudential Financial Inc | 0 | $0 | 0.00% | −4,271−100.0% | Sold out |
| Quantbot Technologies LP | 0 | $0 | 0.00% | −3,081−100.0% | Sold out |
| Amundi | 0 | $0 | 0.00% | −2,350−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −177−100.0% | Sold out |
| Healthcare of Ontario Pension Plan Trust Fund | 0 | $0 | 0.00% | −108−100.0% | Sold out |
| Confluence Wealth Services, Inc. | 0 | $0 | 0.00% | −127−100.0% | Sold out |
| Dark Forest Capital Management LP | 0 | $0 | 0.00% | −87−100.0% | Sold out |
| Covestor Ltd | 0 | $0 | 0.00% | −7−100.0% | Sold out |
| AlphaCentric Advisors LLC | – | – | – | – | Not filed |
| NEXT Financial Group, Inc | – | – | – | – | Not filed |