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 2022
Institutional positions in Castle Biosciences Inc as of Dec 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
- 153
- −3 vs. Q3 2022
- Shares held
- 22.2M
- +317.7K (+1.5%) vs. Q3 2022
- Total value
- $522.0M
- −$47.8M (−8.4%) vs. Q3 2022
- New holders
- 23
- 51 more added
- Sold out
- 26
- 55 more reduced
1 institution that held it in Q3 2022 haven't filed for Q4 2022 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q3 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, Q4 2022
Shares, value and share of portfolio for each institution holding Castle Biosciences Inc; share changes are against Q3 2022.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Wasatch Advisors Inc | 3,222,562 | $75.9M | 0.51% | −122,185−3.7% | Reduced |
| BlackRock Inc. | 2,123,688 | $50.0M | 0.00% | +81,864+4.0% | Added |
| Vanguard Group Inc | 1,392,724 | $32.8M | 0.00% | +141,991+11.4% | Added |
| Granahan Investment Management Inc | 1,044,328 | $24.6M | 0.75% | +282,111+37.0% | Added |
| Bellevue Group AG | 944,312 | $22.2M | 0.30% | +2,441+0.3% | Added |
| Millennium Management LLC | 913,375 | $21.5M | 0.02% | −48,966−5.1% | Reduced |
| Principal Financial Group Inc | 910,820 | $21.4M | 0.02% | +475,080+109.0% | Added |
| Kornitzer Capital Management Inc | 716,244 | $16.9M | 0.34% | +92,048+14.7% | Added |
| Portolan Capital Management, LLC | 583,716 | $13.7M | 1.36% | +283,126+94.2% | Added |
| Citadel Advisors LLC | 551,315 | $13.0M | 0.02% | −181,340−24.8% | Reduced |
| Palisade Capital Management LLC | 551,095 | $13.0M | 0.35% | −28,849−5.0% | Reduced |
| RTW Investments, LP | 516,995 | $12.2M | 0.25% | 00.0% | Unchanged |
| State Street Corp | 504,453 | $11.9M | 0.00% | +6,528+1.3% | Added |
| Greenhouse Funds LLLP | 494,241 | $11.6M | 1.07% | +51,004+11.5% | Added |
| GW&K Investment Management, LLC | 479,659 | $11.3M | 0.11% | −24,404−4.8% | Reduced |
| Geode Capital Management, LLC | 465,667 | $11.0M | 0.00% | +20,004+4.5% | Added |
| Essex Investment Management Co LLC | 453,317 | $10.7M | 1.66% | +16,682+3.8% | Added |
| Intrinsic Edge Capital Management LLC | 364,967 | $8.59M | 0.92% | +52,567+16.8% | Added |
| Allspring Global Investments Holdings, LLC | 352,830 | $8.31M | 0.01% | +588+0.2% | Added |
| Dimensional Fund Advisors LP | 323,686 | $7.62M | 0.00% | +85,198+35.7% | Added |
| Nuveen Asset Management, LLC | 302,649 | $7.12M | 0.00% | +191,974+173.5% | Added |
| Deerfield Management Company, L.P. (Series C) | 272,135 | $6.41M | 0.13% | +272,135 | New |
| Goldman Sachs Group Inc | 246,856 | $5.81M | 0.00% | +64,184+35.1% | Added |
| Northern Trust Corp | 230,093 | $5.42M | 0.00% | +2,625+1.2% | Added |
| New York State Common Retirement Fund | 214,478 | $5.05M | 0.01% | +9,244+4.5% | Added |
| Banque Pictet & Cie SA | 204,417 | $4.81M | 0.05% | −43,301−17.5% | Reduced |
| Point72 Asset Management, L.P. | 201,381 | $4.74M | 0.02% | +201,381 | New |
| Charles Schwab Investment Management Inc | 184,536 | $4.34M | 0.00% | +6,910+3.9% | Added |
| Stonepine Capital Management, LLC | 178,240 | $4.20M | 1.77% | +178,240 | New |
| Monarch Partners Asset Management LLC | 170,195 | $4.01M | 1.18% | −18,436−9.8% | Reduced |
| Trustcore Financial Services, LLC | 164,897 | $3.88M | 0.34% | +146+0.1% | Added |
| First Light Asset Management, LLC | 161,604 | $3.80M | 0.35% | −1,620−1.0% | Reduced |
| UBS Asset Management Americas Inc | 159,063 | $3.74M | 0.00% | +12,717+8.7% | Added |
| Two Sigma Advisers, LP | 132,100 | $3.11M | 0.01% | −21,300−13.9% | Reduced |
| Norges Bank | 131,200 | $3.09M | 0.00% | −5,400−4.0% | Reduced |
| Ameriprise Financial Inc | 111,239 | $2.62M | 0.00% | −21,281−16.1% | Reduced |
| Polar Asset Management Partners Inc. | 107,100 | $2.52M | 0.04% | +107,100 | New |
| Voya Investment Management LLC | 104,643 | $2.46M | 0.00% | +39,608+60.9% | Added |
| Bank of New York Mellon Corp | 82,982 | $1.95M | 0.00% | +1,964+2.4% | Added |
| Algert Global LLC | 68,852 | $1.62M | 0.09% | +18,920+37.9% | Added |
| Public Employees Retirement System of Ohio | 66,705 | $1.57M | 0.01% | −12,070−15.3% | Reduced |
| Tudor Investment Corp Et Al | 58,903 | $1.39M | 0.03% | +44,665+313.7% | Added |
| Morgan Stanley | 58,318 | $1.37M | 0.00% | −137,484−70.2% | Reduced |
| Isthmus Partners, LLC | 57,812 | $1.36M | 0.20% | +1,173+2.1% | Added |
| Schonfeld Strategic Advisors LLC | 57,459 | $1.35M | 0.01% | −108,935−65.5% | Reduced |
| Two Sigma Investments, LP | 53,945 | $1.27M | 0.00% | −67,603−55.6% | Reduced |
| Swiss National Bank | 53,900 | $1.27M | 0.00% | +1,000+1.9% | Added |
| Stephens Inc | 53,632 | $1.26M | 0.03% | +8,857+19.8% | Added |
| Bank of America Corp | 48,957 | $1.15M | 0.00% | −76,117−60.9% | Reduced |
| Zacks Investment Management | 42,489 | $1.00M | 0.01% | +42,489 | New |
| Engineers Gate Manager LP | 39,529 | $930.5K | 0.06% | +29,992+314.5% | Added |
| Premier Fund Managers Ltd | 38,502 | $892.0K | 0.03% | −13,780−26.4% | Reduced |
| Rhumbline Advisers | 37,912 | $892.0K | 0.00% | +393+1.0% | Added |
| Candriam Luxembourg S.C.A. | 37,595 | $884.9K | 0.01% | +3,172+9.2% | Added |
| King Luther Capital Management Corp | 36,306 | $854.6K | 0.00% | −9,540−20.8% | Reduced |
| JPMorgan Chase & Co | 35,398 | $833.0K | 0.00% | +2,449+7.4% | Added |
| ABG Innovation Capital Partners III GP Ltd | 33,626 | $791.6K | 60.43% | 00.0% | Unchanged |
| Cubist Systematic Strategies, LLC | 33,434 | $787.0K | 0.01% | −20,159−37.6% | Reduced |
| Brinker Capital Investments, LLC | 32,824 | $772.7K | 0.02% | −3,636−10.0% | Reduced |
| Advisors Capital Management, LLC | 31,211 | $735.0K | 0.02% | +4,316+16.0% | Added |
| Perkins Capital Management Inc | 31,110 | $732.0K | 0.77% | 00.0% | Unchanged |
| California State Teachers Retirement System | 29,221 | $687.9K | 0.00% | +323+1.1% | Added |
| Bridgewater Associates, LP | 29,167 | $686.6K | 0.00% | −8,554−22.7% | Reduced |
| D. E. Shaw & Co., Inc. | 28,937 | $681.2K | 0.00% | +1,405+5.1% | Added |
| Connor, Clark & Lunn Investment Management Ltd. | 28,144 | $662.5K | 0.00% | +5,053+21.9% | Added |
| Graham Capital Management, L.P. | 26,935 | $634.0K | 0.02% | −17,862−39.9% | Reduced |
| Gsa Capital Partners LLP | 26,896 | $633.0K | 0.08% | −38,353−58.8% | Reduced |
| Simon Quick Advisors, LLC | 26,000 | $612.0K | 0.07% | 00.0% | Unchanged |
| Knights of Columbus Asset Advisors LLC | 25,791 | $607.1K | 0.06% | −273−1.0% | Reduced |
| Wells Fargo & Company | 24,081 | $566.9K | 0.00% | +19,979+487.1% | Added |
| Credit Suisse AG | 23,172 | $545.5K | 0.00% | +7,233+45.4% | Added |
| Prelude Capital Management, LLC | 23,144 | $544.8K | 0.03% | 00.0% | Unchanged |
| Alliancebernstein L.P. | 22,500 | $529.6K | 0.00% | 00.0% | Unchanged |
| Envestnet Asset Management Inc | 22,392 | $527.1K | 0.00% | −254−1.1% | Reduced |
| Renaissance Technologies LLC | 22,100 | $520.0K | 0.00% | +5,100+30.0% | Added |
| Parallel Advisors, LLC | 22,069 | $519.5K | 0.02% | −22−0.1% | Reduced |
| Los Angeles Capital Management LLC | 21,636 | $509.3K | 0.00% | −229−1.0% | Reduced |
| Covenant Partners, LLC | 21,279 | $500.9K | 0.20% | 00.0% | Unchanged |
| Fan Yu | 20,592 | $484.7K | 6.49% | 00.0% | Unchanged |
| STRS Ohio | 20,400 | $480.0K | 0.00% | 00.0% | Unchanged |
| Signaturefd, LLC | 19,397 | $456.6K | 0.01% | 00.0% | Unchanged |
| Jump Financial, LLC | 19,300 | $454.3K | 0.02% | −1,006−5.0% | Reduced |
| Invesco Ltd. | 19,123 | $450.2K | 0.00% | −326,856−94.5% | Reduced |
| Occudo Quantitative Strategies LP | 19,056 | $448.6K | 0.05% | −3,330−14.9% | Reduced |
| Legato Capital Management LLC | 18,496 | $435.4K | 0.08% | +18,496 | New |
| Capital Impact Advisors, LLC | 15,452 | $363.7K | 0.36% | +997+6.9% | Added |
| Price T Rowe Associates Inc | 14,981 | $353.0K | 0.00% | −1,615−9.7% | Reduced |
| Squarepoint Ops LLC | 13,698 | $322.5K | 0.00% | −41,229−75.1% | Reduced |
| Polar Capital Holdings Plc | 13,398 | $315.4K | 0.00% | −35,587−72.6% | Reduced |
| Pictet & Cie (Europe) SA | 12,618 | $297.0K | 0.01% | −3,339−20.9% | Reduced |
| Cambridge Investment Research Advisors, Inc. | 12,501 | $294.0K | 0.00% | −501−3.9% | Reduced |
| MetLife Investment Management | 12,369 | $291.2K | 0.00% | 00.0% | Unchanged |
| Baird Financial Group, Inc. | 12,194 | $287.0K | 0.00% | −155−1.3% | Reduced |
| TownSquare Capital, LLC | 12,160 | $286.2K | 0.01% | +12,160 | New |
| American International Group, Inc. | 11,607 | $273.2K | 0.00% | −42−0.4% | Reduced |
| Prudential Financial Inc | 11,465 | $269.9K | 0.00% | +11,465 | New |
| Versor Investments LP | 11,275 | $265.4K | 0.02% | +2,258+25.0% | Added |
| State Board of Administration of Florida Retirement System | 10,954 | $257.9K | 0.00% | −5,510−33.5% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 10,931 | $257.3K | 0.00% | +11+0.1% | Added |
| Deutsche Bank AG | 10,895 | $256.5K | 0.00% | +162+1.5% | Added |