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 |
|---|---|---|---|---|---|
| Swedbank AB | 35,000 | $1.57M | 0.00% | 00.0% | Unchanged |
| Brinker Capital Investments, LLC | 35,261 | $1.58M | 0.02% | +7,541+27.2% | Added |
| Bank of America Corp | 37,010 | $1.66M | 0.00% | −1,791−4.6% | Reduced |
| Envestnet Asset Management Inc | 38,776 | $1.74M | 0.00% | +5,337+16.0% | Added |
| Stanley-Laman Group, Ltd. | 40,216 | $1.80M | 0.25% | +242+0.6% | Added |
| Isthmus Partners, LLC | 40,223 | $1.80M | 0.30% | +2,414+6.4% | Added |
| Polar Capital Holdings Plc | 44,985 | $2.02M | 0.01% | 00.0% | Unchanged |
| Swiss National Bank | 47,900 | $2.15M | 0.00% | +3,600+8.1% | Added |
| Premier Fund Managers Ltd | 52,282 | $2.30M | 0.08% | 00.0% | Unchanged |
| Fred Alger Management, LLC | 51,883 | $2.33M | 0.01% | +51,883 | New |
| Parametric Portfolio Associates LLC | 57,092 | $2.56M | 0.00% | +14,120+32.9% | Added |
| Madison Asset Management, LLC | 60,783 | $2.73M | 0.04% | −128−0.2% | Reduced |
| Schonfeld Strategic Advisors LLC | 61,704 | $2.77M | 0.03% | +20,590+50.1% | Added |
| Goldman Sachs Group Inc | 63,222 | $2.84M | 0.00% | −8,186−11.5% | Reduced |
| Nuveen Asset Management, LLC | 71,767 | $3.13M | 0.00% | +776+1.1% | Added |
| Public Employees Retirement System of Ohio | 88,176 | $3.96M | 0.01% | +11,489+15.0% | Added |
| Bank of New York Mellon Corp | 101,886 | $4.57M | 0.00% | +14,658+16.8% | Added |
| DF Dent & Co Inc | 103,810 | $4.66M | 0.05% | +15,359+17.4% | Added |
| Wells Fargo & Company | 104,363 | $4.68M | 0.00% | −3,359−3.1% | Reduced |
| King Luther Capital Management Corp | 106,100 | $4.76M | 0.02% | −2,930−2.7% | Reduced |
| Essex Investment Management Co LLC | 117,245 | $5.26M | 0.66% | +25,310+27.5% | Added |
| Dimensional Fund Advisors LP | 122,378 | $5.49M | 0.00% | +8,278+7.3% | Added |
| Ameriprise Financial Inc | 123,568 | $5.54M | 0.00% | +14,247+13.0% | Added |
| Segall Bryant & Hamill, LLC | 139,287 | $6.25M | 0.06% | +330+0.2% | Added |
| New York State Common Retirement Fund | 148,864 | $6.68M | 0.01% | +20,688+16.1% | Added |
| Monarch Partners Asset Management LLC | 156,502 | $7.02M | 1.57% | +41,838+36.5% | Added |
| Banque Pictet & Cie SA | 157,692 | $7.07M | 0.05% | −1,448−0.9% | Reduced |
| Trustcore Financial Services, LLC | 164,751 | $7.39M | 0.64% | +21,885+15.3% | Added |
| Charles Schwab Investment Management Inc | 166,113 | $7.45M | 0.00% | +4,198+2.6% | Added |
| Principal Financial Group Inc | 177,450 | $7.96M | 0.01% | −5,217−2.9% | Reduced |
| UBS Asset Management Americas Inc | 177,831 | $7.98M | 0.00% | −9,412−5.0% | Reduced |
| Citadel Advisors LLC | 187,007 | $8.39M | 0.01% | +89,121+91.0% | Added |
| ArrowMark Colorado Holdings LLC | 203,300 | $9.12M | 0.08% | +12,075+6.3% | Added |
| Lord, Abbett & Co. LLC | 205,036 | $9.20M | 0.02% | +46,226+29.1% | Added |
| Northern Trust Corp | 212,325 | $9.53M | 0.00% | −6,337−2.9% | Reduced |
| Intrinsic Edge Capital Management LLC | 212,400 | $9.53M | 0.75% | +212,400 | New |
| Millennium Management LLC | 272,641 | $12.2M | 0.02% | −243,865−47.2% | Reduced |
| Zevenbergen Capital Investments LLC | 336,055 | $15.1M | 0.41% | −32,976−8.9% | Reduced |
| Nikko Asset Management Americas, Inc. | 428,183 | $16.7M | 0.12% | −105,494−19.8% | Reduced |
| Redwood Investments, LLC | 375,892 | $16.9M | 1.60% | +202,099+116.3% | Added |
| Geode Capital Management, LLC | 401,012 | $18.0M | 0.00% | +15,271+4.0% | Added |
| Palisade Capital Management LLC | 409,232 | $18.4M | 0.42% | +56,791+16.1% | Added |
| Sumitomo Mitsui Trust Holdings, Inc. | 428,183 | $19.2M | 0.01% | −105,494−19.8% | Reduced |
| Kornitzer Capital Management Inc | 444,342 | $19.9M | 0.33% | 00.0% | Unchanged |
| Allspring Global Investments Holdings, LLC | 447,056 | $20.1M | 0.03% | −5,672−1.3% | Reduced |
| State Street Corp | 458,705 | $20.6M | 0.00% | +2,666+0.6% | Added |
| Pembroke Management, LTD | 463,909 | $20.8M | 1.74% | +80,537+21.0% | Added |
| RTW Investments, LP | 496,675 | $22.3M | 0.46% | −102,334−17.1% | Reduced |
| Next Century Growth Investors LLC | 538,673 | $24.2M | 2.41% | +230,829+75.0% | Added |
| Grandeur Peak Global Advisors, LLC | 544,723 | $24.4M | 1.16% | +206,266+60.9% | Added |
| Bellevue Group AG | 607,614 | $27.3M | 0.32% | +607,614 | New |
| GW&K Investment Management, LLC | 610,822 | $27.4M | 0.24% | +530+0.1% | Added |
| Point72 Asset Management, L.P. | 623,291 | $28.0M | 0.12% | +140,439+29.1% | Added |
| Macquarie Group Ltd | 658,726 | $29.6M | 0.03% | +2,174+0.3% | Added |
| Granahan Investment Management Inc | 793,715 | $35.6M | 0.88% | +56,341+7.6% | Added |
| Invesco Ltd. | 1,079,032 | $48.4M | 0.01% | +29,372+2.8% | Added |
| ARK Investment Management LLCSuperinvestorARK Invest | 1,170,111 | $52.5M | 0.22% | −43,096−3.6% | Reduced |
| Vanguard Group Inc | 1,176,227 | $52.8M | 0.00% | +13,386+1.2% | Added |
| BlackRock Inc. | 1,782,538 | $80.0M | 0.00% | −18,849−1.0% | Reduced |
| Wasatch Advisors Inc | 3,443,847 | $154.5M | 0.76% | +327,359+10.5% | Added |
| 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 |