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, Q2 2024
Institutional positions in Castle Biosciences Inc as of Jun 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
- 159
- +9 vs. Q1 2024
- Shares held
- 25.2M
- +295.8K (+1.2%) vs. Q1 2024
- Total value
- $549.4M
- −$3.06M (−0.6%) vs. Q1 2024
- New holders
- 32
- 54 more added
- Sold out
- 23
- 50 more reduced
1 institution that held it in Q1 2024 haven't filed for Q2 2024 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2024
Shares, value and share of portfolio for each institution holding Castle Biosciences Inc; share changes are against Q1 2024.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Corebridge Financial, Inc. | 13,917 | $303.0K | 0.00% | +13,917 | New |
| Great West Life Assurance Co | 13,219 | $287.0K | 0.00% | −3,673−21.7% | Reduced |
| Mirae Asset Global ETFs Holdings Ltd. | 13,016 | $283.4K | 0.00% | +13,016 | New |
| Barclays PLC | 12,734 | $277.2K | 0.00% | −34,691−73.1% | Reduced |
| Petrus Trust Company, LTA | 12,526 | $272.7K | 0.03% | −7,083−36.1% | Reduced |
| Corton Capital Inc. | 12,271 | $267.1K | 0.14% | +1,148+10.3% | Added |
| Wells Fargo & Company | 11,507 | $250.5K | 0.00% | +2,081+22.1% | Added |
| Allspring Global Investments Holdings, LLC | 10,751 | $234.0K | 0.00% | −111−1.0% | Reduced |
| Lido Advisors, LLC | 10,524 | $229.1K | 0.00% | 00.0% | Unchanged |
| Manufacturers Life Insurance Company, The | 10,122 | $220.4K | 0.00% | +675+7.1% | Added |
| XTX Topco Ltd | 10,003 | $217.8K | 0.02% | +10,003 | New |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 9,882 | $215.1K | 0.00% | +952+10.7% | Added |
| Man Group plc | 9,600 | $209.0K | 0.00% | −13,457−58.4% | Reduced |
| First Horizon Advisors, Inc. | 7,853 | $171.0K | 0.01% | 00.0% | Unchanged |
| Royal Bank of Canada | 6,721 | $147.0K | 0.00% | +3,569+113.2% | Added |
| Caption Management, LLC | 5,600 | $121.9K | 0.01% | +5,600 | New |
| Advisor Group Holdings, Inc. | 4,500 | $98.0K | 0.00% | −956−17.5% | Reduced |
| Assetmark, Inc | 4,464 | $97.2K | 0.00% | +506+12.8% | Added |
| Tower Research Capital LLC (TRC) | 3,946 | $85.9K | 0.00% | +3,756+1,976.8% | Added |
| China Universal Asset Management Co., Ltd. | 3,242 | $70.6K | 0.01% | −2,055−38.8% | Reduced |
| RiverPark Advisors, LLC | 3,136 | $68.3K | 0.06% | +275+9.6% | Added |
| Quest Partners LLC | 2,796 | $60.9K | 0.01% | −1,232−30.6% | Reduced |
| Ameritas Investment Partners, Inc. | 2,450 | $53.3K | 0.00% | 00.0% | Unchanged |
| Harbour Investments, Inc. | 2,270 | $49.4K | 0.00% | +2,270 | New |
| Coppell Advisory Solutions LLC | 2,043 | $44.5K | 0.01% | +2,043 | New |
| C M Bidwell & Associates Ltd | 1,655 | $36.0K | 0.02% | +1,655 | New |
| FMR LLC | 1,220 | $26.6K | 0.00% | +348+39.9% | Added |
| Global Retirement Partners, LLC | 1,100 | $23.9K | 0.00% | 00.0% | Unchanged |
| Ronald Blue Trust, Inc. | 956 | $21.2K | 0.00% | 00.0% | Unchanged |
| Amalgamated Bank | 833 | $18.0K | 0.00% | 00.0% | Unchanged |
| Mirae Asset Global Investments Co., Ltd. | 824 | $17.4K | 0.00% | −10,908−93.0% | Reduced |
| Nelson, Van Denburg & Campbell Wealth Management Group, LLC | 726 | $15.8K | 0.00% | −5−0.7% | Reduced |
| Arcadia Investment Management Corp | 522 | $11.4K | 0.00% | 00.0% | Unchanged |
| Macroview Investment Management LLC | 483 | $10.5K | 0.01% | −23−4.5% | Reduced |
| Nisa Investment Advisors, LLC | 391 | $8.51K | 0.00% | +63+19.2% | Added |
| Opal Wealth Advisors, LLC | 339 | $7.38K | 0.00% | +339 | New |
| Hillsdale Investment Management Inc. | 300 | $6.53K | 0.00% | 00.0% | Unchanged |
| MCF Advisors LLC | 258 | $5.62K | 0.00% | 00.0% | Unchanged |
| Point72 Asia (Singapore) Pte. Ltd. | 253 | $5.50K | 0.00% | +253 | New |
| US Bancorp | 232 | $5.05K | 0.00% | −234−50.2% | Reduced |
| Lindbrook Capital, LLC | 172 | $3.74K | 0.00% | 00.0% | Unchanged |
| CWM, LLC | 117 | $3.00K | 0.00% | +105+875.0% | Added |
| GAMMA Investing LLC | 137 | $2.98K | 0.00% | +16+13.2% | Added |
| Financial Network Wealth Advisors LLC | 113 | $2.46K | 0.00% | +113 | New |
| Farther Finance Advisors, LLC | 96 | $2.03K | 0.00% | +91+1,820.0% | Added |
| Daiwa Securities Group Inc. | 86 | $2.00K | 0.00% | 00.0% | Unchanged |
| BFSG, LLC | 90 | $1.96K | 0.00% | 00.0% | Unchanged |
| Principal Securities, Inc. | 54 | $1.18K | 0.00% | 00.0% | Unchanged |
| Ibex Wealth Advisors | 50 | $1.09K | 0.00% | +50 | New |
| Valley National Advisers Inc | 85 | $1.00K | 0.00% | 00.0% | Unchanged |
| Group One Trading, L.P. | 41 | $893 | 0.00% | 00.0% | Unchanged |
| SRS Capital Advisors, Inc. | 31 | $675 | 0.00% | +31 | New |
| Missouri Trust & Investment Co | 19 | $414 | 0.00% | 00.0% | Unchanged |
| Rothschild Investment LLC | 15 | $327 | 0.00% | +15 | New |
| Fairman Group, LLC | 13 | $283 | 0.00% | 00.0% | Unchanged |
| EverSource Wealth Advisors, LLC | 7 | $169 | 0.00% | +7 | New |
| Colonial Trust Advisors | 6 | $131 | 0.00% | 00.0% | Unchanged |
| Huntington National Bank | 1 | $22 | 0.00% | 00.0% | Unchanged |
| Planning Capital Management Corp | 1 | $22 | 0.00% | +1 | New |
| Banque Pictet & Cie SA | 0 | $0 | 0.00% | −166,881−100.0% | Sold out |
| Invenomic Capital Management LP | 0 | $0 | 0.00% | −166,714−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −60,800−100.0% | Sold out |
| Gsa Capital Partners LLP | 0 | $0 | 0.00% | −52,448−100.0% | Sold out |
| AQR Capital Management LLC | 0 | $0 | 0.00% | −22,795−100.0% | Sold out |
| Capital Impact Advisors, LLC | 0 | $0 | 0.00% | −22,713−100.0% | Sold out |
| Sherbrooke Park Advisers LLC | 0 | $0 | 0.00% | −20,825−100.0% | Sold out |
| Two Sigma Advisers, LP | 0 | $0 | 0.00% | −19,000−100.0% | Sold out |
| Los Angeles Capital Management LLC | 0 | $0 | 0.00% | −18,201−100.0% | Sold out |
| New York Life Investment Management LLC | 0 | $0 | 0.00% | −16,516−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −15,011−100.0% | Sold out |
| Balyasny Asset Management LLC | 0 | $0 | 0.00% | −14,748−100.0% | Sold out |
| D. E. Shaw & Co., Inc. | 0 | $0 | 0.00% | −13,382−100.0% | Sold out |
| Pictet & Cie (Europe) SA | 0 | $0 | 0.00% | −12,897−100.0% | Sold out |
| Diversify Advisory Services, LLC | 0 | $0 | 0.00% | −12,498−100.0% | Sold out |
| American International Group, Inc. | 0 | $0 | 0.00% | −12,244−100.0% | Sold out |
| State Board of Administration of Florida Retirement System | 0 | $0 | 0.00% | −10,954−100.0% | Sold out |
| Versor Investments LP | 0 | $0 | 0.00% | −10,238−100.0% | Sold out |
| Janus Henderson Group PLC | 0 | $0 | 0.00% | −9,266−100.0% | Sold out |
| Denali Advisors LLC | 0 | $0 | 0.00% | −8,400−100.0% | Sold out |
| Metropolitan Life Insurance Co | 0 | $0 | 0.00% | −1,410−100.0% | Sold out |
| The PNC Financial Services Group, Inc. | 0 | $0 | 0.00% | −38−100.0% | Sold out |
| Simplex Trading, LLC | 0 | $0 | 0.00% | −6−100.0% | Sold out |
| Credit Suisse AG | – | – | – | – | Not filed |