Castle BiosciencesCSTL
13F holders, Q1 2025 (March 31)180holders −17
28new positions
43sold out
7famous investors
$19.96avg. 13F price*
At the end of Q1 2025, 180 institutions reported holding Castle Biosciences Inc. (CSTL) in their 13F filings, down 17 from Q4 2024. 28 opened new positions and 43 sold out. The largest holders were BlackRock, Inc. ($59.7M), Vanguard Group Inc. ($41.0M) and Principal Financial Group Inc. ($29.4M). 7 famous investors held it, including Paul Tudor Jones (0.0% of Tudor Investment Corporation's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Steve Cohen (0.0% of Point72 Asset Management's portfolio).
- Company
- Castle Biosciences Inc.
- CUSIP
- 14843C105
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q4 2024 → Q1 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 28 | $39.3M |
| Exits | 43 | $39.5M |
All 13F filers, Q4 2024 → Q1 2025: 5,048,910 shares bought and 5,898,258 shares sold, net −849,348 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 180 holders
| BlackRock, Inc. | 0.00% | Add +2.1% | 2,983,540 | $59.7M |
| Vanguard Group Inc. | 0.00% | Add +11.7% | 2,047,565 | $41.0M |
| Principal Financial Group Inc. | 0.02% | Add +2.2% | 1,467,873 | $29.4M |
| Portolan Capital Management, LLC | 1.93% | Add +62.9% | 1,265,223 | $25.3M |
| Dimensional Fund Advisors LP | 0.01% | Add +20.1% | 1,200,222 | $24.0M |
| Wasatch Advisors LP | 0.11% | Reduce -44.4% | 998,455 | $20.0M |
| Wellington Management Group LLP | 0.00% | Add +14.7% | 828,528 | $16.6M |
| State Street Corp. | 0.00% | Add +0.7% | 715,028 | $14.3M |
| Renaissance Technologies | 0.02% | Add +2.4% | 701,200 | $14.0M |
| Acadian Asset Management LLC | 0.04% | Add +65.4% | 676,066 | $13.5M |
| Geode Capital Management, LLC | 0.00% | Add +3.5% | 649,853 | $13.0M |
| Allianz Asset Management GmbH | 0.02% | Add +98.4% | 639,477 | $12.8M |
| Schroder Investment Management Group | 0.01% | New | 597,089 | $11.9M |
| Nuveen, LLC | 0.00% | — | 671,811 | $11.9M |
| Park West Asset Management LLC | 0.91% | New | 556,485 | $11.1M |
| Palisade Capital Management, LP | 0.32% | Reduce -2.7% | 489,968 | $9.8M |
| Bank of America Corp. | 0.00% | Reduce -7.0% | 375,380 | $7.5M |
| Braidwell LP | 0.38% | New | 365,247 | $7.3M |
| Parkman Healthcare Partners LLC | 0.83% | Add +15.1% | 350,551 | $7.0M |
| Ameriprise Financial Inc. | 0.00% | Add +3.1% | 325,697 | $6.5M |
| Bellevue Group AG | 0.14% | Reduce -59.6% | 301,103 | $6.0M |
| Qube Research & Technologies Ltd | 0.01% | Add +28.4% | 279,364 | $5.6M |
| Kornitzer Capital Management Inc. | 0.12% | Reduce -27.5% | 278,314 | $5.6M |
| Northern Trust Corp. | 0.00% | Reduce -3.9% | 273,469 | $5.5M |
| Citadel Advisors | 0.01% | Reduce -69.0% | 258,382 | $5.2M |
| Millennium Management | 0.01% | Reduce -53.6% | 254,749 | $5.1M |
| Trexquant Investment LP | 0.06% | Add +22.3% | 248,991 | $5.0M |
| Charles Schwab Investment Management Inc. | 0.00% | Reduce -6.4% | 242,258 | $4.9M |
| Cubist Systematic Strategies, LLC | 0.06% | Add +33.9% | 237,698 | $4.8M |
| Point72 Asset Management | 0.01% | Reduce -56.8% | 236,218 | $4.7M |
| Allspring Global Investments Holdings, LLC | 0.01% | Add +2070.8% | 217,794 | $4.4M |
| Morgan Stanley | 0.00% | Reduce -30.9% | 211,793 | $4.2M |
| Advisors Capital Management, LLC | 0.06% | Add +12.7% | 201,687 | $4.0M |
| Silvercrest Asset Management Group LLC | 0.03% | Reduce -0.6% | 198,802 | $4.0M |
| D. E. Shaw & Co. | 0.00% | Add +108.9% | 189,177 | $3.8M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.02% | Add +4.8% | 176,889 | $3.5M |
| Goldman Sachs Group Inc. | 0.00% | Reduce -59.5% | 175,325 | $3.5M |
| Tudor Investment Corporation | 0.03% | Add +144.6% | 171,382 | $3.4M |
| Shelton Capital Management | 0.08% | No change | 164,008 | $3.3M |
| New York State Common Retirement Fund | 0.00% | Reduce -13.7% | 163,159 | $3.3M |
| Algert Global LLC | 0.07% | Reduce -3.5% | 144,311 | $2.9M |
| Two Sigma Investments, LP | 0.01% | New | 139,785 | $2.8M |
| AQR Capital Management | 0.00% | Add +548.9% | 137,022 | $2.7M |
| Franklin Resources Inc. | 0.00% | Add +34.6% | 99,086 | $2.0M |
| Squarepoint Ops LLC | 0.00% | Add +462.2% | 97,360 | $1.9M |
| Birchview Capital, LP | 1.54% | Add +13.3% | 88,404 | $1.8M |
| Bank of New York Mellon Corp | 0.00% | Reduce -0.5% | 84,041 | $1.7M |
| Orion Porfolio Solutions, LLC | 0.02% | Add +14.8% | 78,409 | $1.6M |
| Orion Portfolio Solutions, LLC | 0.02% | Add +14.8% | 78,409 | $1.6M |
| ExodusPoint Capital Management, LP | 0.02% | Add +575.4% | 77,563 | $1.6M |
| American Century Companies Inc. | 0.00% | Add +7.1% | 74,067 | $1.5M |
| Sei Investments Co. | 0.00% | Add +76.1% | 73,059 | $1.5M |
| Envestnet Asset Management Inc. | 0.00% | Reduce -4.9% | 69,771 | $1.4M |
| Two Sigma Advisers, LP | 0.00% | Add +501.7% | 69,200 | $1.4M |
| Graham Capital Management, L.P. | 0.06% | Add +64.1% | 68,385 | $1.4M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +3.0% | 68,031 | $1.4M |
| Gsa Capital Partners LLP | 0.12% | Reduce -5.2% | 67,143 | $1.3M |
| Deutsche Bank AG | 0.00% | Reduce -3.1% | 65,537 | $1.3M |
| Citigroup Inc. | 0.00% | Add +51.7% | 62,701 | $1.3M |
| Schonfeld Strategic Advisors LLC | 0.01% | Add +290.0% | 59,671 | $1.2M |
| Jackson Creek Investment Advisors LLC | 0.36% | New | 57,094 | $1.1M |
| Swiss National Bank | 0.00% | Add +5.8% | 54,300 | $1.1M |
| Engineers Gate Manager LP | 0.02% | Add +182.7% | 52,923 | $1.1M |
| Dark Forest Capital Management LP | 0.05% | New | 51,855 | $1.0M |
| UBS Group AG | 0.00% | Reduce -94.0% | 48,759 | $976K |
| Campbell & CO Investment Adviser LLC | 0.07% | Reduce -1.0% | 45,849 | $918K |
| BNP Paribas Financial Markets | 0.00% | Reduce -81.8% | 45,230 | $906K |
| Barclays PLC | 0.00% | Reduce -12.7% | 42,815 | $857K |
| Tritonpoint Wealth, LLC | 0.08% | Reduce -10.7% | 41,637 | $834K |
| Rhumbline Advisers | 0.00% | Reduce -1.8% | 39,186 | $784K |
| Nebula Research & Development LLC | 0.07% | Add +41.0% | 37,617 | $753K |
| ABG Innovation Capital Partners III GP Ltd | 91.94% | No change | 36,747 | $736K |
| Susquehanna International Group, LLP | 0.00% | Add +105.9% | 35,901 | $719K |
| Healthcare of Ontario Pension Plan Trust Fund | 0.00% | No change | 35,800 | $717K |
| Los Angeles Capital Management LLC | 0.00% | New | 33,970 | $680K |
| Perkins Capital Management Inc. | 0.72% | Reduce -0.6% | 33,965 | $680K |
| Alliancebernstein L.P. | 0.00% | No change | 33,370 | $668K |
| Invesco Ltd. | 0.00% | Add +17.1% | 32,251 | $646K |
| Jane Street Group, LLC | 0.00% | Reduce -48.3% | 30,676 | $614K |
| Verition Fund Management LLC | 0.00% | Add +239.0% | 30,671 | $614K |
| Summit Global Investments | 0.04% | Add +7.6% | 30,640 | $613K |
| JPMorgan Chase & Co. | 0.00% | Reduce -71.7% | 30,577 | $612K |
| HRT Financial LP | 0.00% | Add +128.7% | 28,285 | $566K |
| Parallel Advisors, LLC | 0.01% | Reduce -1.4% | 27,593 | $551K |
| Mackenzie Financial Corp. | 0.00% | Add +30.6% | 27,460 | $550K |
| Legal & General Group Plc | 0.00% | Reduce -0.1% | 25,916 | $519K |
| California State Teachers Retirement System | 0.00% | No change | 24,620 | $493K |
| Townsquare Capital LLC | 0.01% | Add +7.1% | 23,772 | $476K |
| T. Rowe Price Associates Inc. | 0.00% | Add +4.4% | 23,705 | $475K |
| Yu Fan | 0.46% | No change | 22,503 | $451K |
| Truist Financial Corp. | 0.00% | Add +4.7% | 22,308 | $447K |
| Jacobs Levy Equity Management, Inc. | 0.00% | Reduce -84.2% | 21,299 | $426K |
| Dynamic Technology Lab Private Ltd | 0.06% | Add +20.4% | 21,235 | $425K |
| Cerity Partners LLC | 0.00% | New | 21,138 | $423K |
| Hussman Strategic Advisors, Inc. | 0.10% | Reduce -71.4% | 21,000 | $420K |
| EntryPoint Capital, LLC | 0.19% | Reduce -29.9% | 20,432 | $409K |
| Advantage Alpha Capital Partners LP | 0.10% | New | 19,805 | $396K |
| Balyasny Asset Management L.P. | 0.00% | New | 19,730 | $395K |
| XTX Topco Ltd | 0.02% | New | 19,628 | $393K |
| HSBC Holdings PLC | 0.00% | Reduce -0.2% | 19,627 | $391K |
"% of holder's portfolio" is CSTL's weight in each manager's 13F, not the share of Castle Biosciences Inc. the manager owns.