Castle BiosciencesCSTL
13F holders, Q1 2025 (March 31)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 |
| Sherbrooke Park Advisers LLC | 0.18% | Add +57.1% | 19,439 | $389K |
| Russell Investments Group, Ltd. | 0.00% | Add +158.9% | 18,669 | $373K |
| STRS Ohio | 0.00% | No change | 18,300 | $366K |
| Inspire Investing, LLC | 0.04% | Reduce -62.5% | 17,153 | $343K |
| Oak Harvest Investment Services | 0.05% | Add +118.5% | 16,883 | $338K |
| Centiva Capital, LP | 0.02% | Reduce -27.0% | 16,802 | $336K |
| Harbor Capital Advisors, Inc. | 0.02% | Reduce -86.0% | 16,595 | $332K |
| Caxton Associates LLP | 0.01% | — | 16,440 | $329K |
| Wells Fargo & Company | 0.00% | Add +6.3% | 16,347 | $327K |
| Intech Investment Management LLC | 0.00% | Add +38.9% | 16,078 | $322K |
| MetLife Investment Management, LLC | 0.00% | Reduce -1.8% | 15,729 | $315K |
| MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. | 0.00% | Add +4.4% | 15,441 | $309K |
| Quantbot Technologies LP | 0.01% | New | 15,287 | $306K |
| First Bank & Trust | 0.06% | Add +75.5% | 15,136 | $303K |
| Man Group plc | 0.00% | Add +9.1% | 14,514 | $291K |
| Stephens Inc. | 0.00% | Reduce -5.5% | 13,639 | $273K |
| Simon Quick Advisors, LLC | 0.02% | Add +0.1% | 13,595 | $272K |
| Mach-1 Financial Group, LLC | 0.08% | New | 13,313 | $267K |
| Diversify Wealth Management, LLC | 0.02% | Add +5.8% | 13,102 | $260K |
| WINTON GROUP Ltd | 0.02% | New | 12,869 | $258K |
| Corebridge Financial, Inc. | 0.00% | Add +0.1% | 12,866 | $258K |
| Brevan Howard Capital Management LP | 0.01% | New | 12,205 | $244K |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 0.00% | Reduce -11.4% | 12,081 | $242K |
| Universal- Beteiligungs- und Servicegesellschaft mbH | 0.00% | New | 11,753 | $235K |
| Magnetar Financial LLC | 0.00% | New | 11,226 | $225K |
| Creative Planning | 0.00% | Add +16.4% | 11,100 | $222K |
| CANADA LIFE ASSURANCE Co | 0.00% | No change | 10,713 | $215K |
| Teacher Retirement System of Texas | 0.00% | Add +9.6% | 10,383 | $208K |
| Lido Advisors, LLC | 0.00% | Reduce -4.7% | 10,031 | $201K |
| Royal Bank of Canada | 0.00% | Add +2.1% | 9,087 | $182K |
| AlphaQuest LLC | 0.01% | Reduce -41.3% | 6,008 | $120K |
| Police & Firemen's Retirement System of New Jersey | 0.00% | No change | 5,837 | $117K |
| China Universal Asset Management Co., Ltd. | 0.01% | Reduce -3.7% | 5,719 | $114K |
| Lazard Asset Management LLC | 0.00% | New | 4,928 | $98K |
| KLP Kapitalforvaltning As | 0.00% | No change | 4,800 | $96K |
| Cwm, LLC | 0.00% | Add +835.0% | 4,142 | $83K |
| Assetmark, Inc. | 0.00% | Reduce -9.8% | 3,980 | $80K |
| Amundi | 0.00% | Add +15811.5% | 4,137 | $79K |
| C M Bidwell & Associates Ltd. | 0.04% | Add +17.9% | 3,180 | $64K |
| Harbour Investments, Inc. | 0.00% | New | 2,500 | $50K |
| Ameritas Investment Partners, Inc. | 0.00% | No change | 2,450 | $49K |
| Canada Pension Plan Investment Board | 0.00% | Add +166.7% | 2,400 | $48K |
| First Horizon Advisors, Inc. | 0.00% | Reduce -9.9% | 1,810 | $36K |
| Point72 (DIFC) Ltd | 0.00% | Add +43.7% | 1,773 | $36K |
| Covestor Ltd | 0.02% | Add +30.2% | 1,219 | $24K |
| FMR LLC | 0.00% | Add +6.9% | 1,156 | $23K |
| Mirae Asset Global Investments Co., Ltd. | 0.00% | Reduce -0.1% | 932 | $19K |
| Arcadia Investment Management Corp. | 0.00% | No change | 904 | $18K |
| Amalgamated Bank | 0.00% | Add +7.2% | 893 | $18K |
| Tower Research Capital LLC (TRC) | 0.00% | Reduce -93.1% | 782 | $16K |
| GF Fund Management Co. LTD. | 0.00% | Add +21.8% | 716 | $14K |
| Hughes Financial Services, LLC | 0.00% | New | 435 | $9K |
| Coldstream Capital Management Inc. | 0.00% | New | 342 | $7K |
| Nisa Investment Advisors, LLC | 0.00% | Reduce -24.5% | 336 | $7K |
| Sterling Capital Management LLC | 0.00% | Reduce -44.8% | 316 | $6K |
| GAMMA Investing LLC | 0.00% | Reduce -1.8% | 218 | $4K |
| Osaic Holdings, Inc. | 0.00% | Add +1342.9% | 202 | $4K |
| True Wealth Design, LLC | 0.00% | Add +20000.0% | 201 | $4K |
| Lindbrook Capital, LLC | 0.00% | Add +4.1% | 179 | $4K |
| Caitong International Asset Management Co., Ltd | 0.00% | New | 156 | $3K |
| Rossby Financial, LCC | 0.00% | New | 142 | $3K |
| PNC Financial Services Group, Inc. | 0.00% | New | 120 | $2K |
| Principal Securities, Inc. | 0.00% | No change | 90 | $2K |
| Daiwa Securities Group Inc. | 0.00% | No change | 86 | $2K |
| Bfsg, LLC | 0.00% | No change | 90 | $2K |
| SBI Securities Co., Ltd. | 0.00% | Add +16.0% | 58 | $1K |
| MassMutual Private Wealth & Trust, FSB | 0.00% | Reduce -43.3% | 51 | $1K |
| Spire Wealth Management | 0.00% | New | 50 | $1K |
| Simplex Trading, LLC | 0.00% | Reduce -96.8% | 97 | $1K |
| EverSource Wealth Advisors, LLC | 0.00% | Add +422.2% | 47 | $941 |
| Wilmington Savings Fund Society, FSB | 0.00% | New | 46 | $921 |
| Steward Partners Investment Advisory, LLC | 0.00% | No change | 31 | $621 |
| Jones Financial Companies LLLP | 0.00% | No change | 25 | $499 |
| US Bancorp \de | 0.00% | Reduce -98.0% | 24 | $480 |
| Parkside Financial Bank & Trust | 0.00% | New | 20 | $401 |
| Rothschild Investment LLC | 0.00% | Reduce -50.0% | 20 | $400 |
| Missouri Trust & Investment Co | 0.00% | No change | 19 | $380 |
| Brooklyn Investment Group | 0.00% | New | 11 | $221 |
| Farther Finance Advisors, LLC | 0.00% | No change | 5 | $99 |
| Huntington National Bank | 0.00% | No change | 1 | $20 |
"% of holder's portfolio" is CSTL's weight in each manager's 13F, not the share of Castle Biosciences Inc. the manager owns.