Castle BiosciencesCSTL

13F holders, Q1 2024 (March 31)
151holders
6famous investors
$22.15avg. 13F price*

At the end of Q1 2024, 151 institutions reported holding Castle Biosciences Inc. (CSTL) in their 13F filings. The largest holders were BlackRock Inc. ($57.5M), Wasatch Advisors LP ($56.5M) and Granahan Investment Management, LLC ($36.0M). 6 famous investors held it, including Ken Griffin (0.0% of Citadel Advisors's portfolio), Jim Simons / Peter Brown (0.0% of Renaissance Technologies's portfolio) and Israel Englander (0.0% of Millennium Management's portfolio).

Company
Castle Biosciences Inc.
CUSIP
14843C105
Latest filing quarter
Q2 2026

History

Number of 13F holders

050100150200 Q1 2024: 151Q1 2024Q2 2024: 159Q2 2024Q3 2024: 185Q3 2024Q4 2024: 197Q4 2024Q1 2025: 180Q1 2025Q2 2025: 152Q2 2025Q3 2025: 173Q3 2025Q4 2025: 195Q4 2025Q1 2026: 186Q1 2026Q2 2026: 176Q2 2026

Total Exit/New Position Q1 2024

InstitutionsTotal Value
New Positions17$5.6M
Exits17$4.9M

Ownership 151 holders

BlackRock Inc. 0.00% Add +13.7% 2,595,687 $57.5M
Wasatch Advisors LP 0.30% Reduce -1.5% 2,551,088 $56.5M
Granahan Investment Management, LLC 1.27% Reduce -24.9% 1,627,224 $36.0M
Principal Financial Group Inc. 0.02% Reduce -3.4% 1,532,472 $33.9M
Vanguard Group Inc. 0.00% Add +2.2% 1,494,176 $33.1M
Bellevue Group AG 0.41% Reduce -1.0% 1,220,085 $27.0M
Portolan Capital Management, LLC 1.76% Add +43.2% 1,043,410 $23.1M
Deerfield Management Company, L.P. 0.39% Reduce -3.9% 928,017 $20.6M
Dimensional Fund Advisors LP 0.00% Add +12.9% 749,259 $16.6M
Soleus Capital Management, L.P. 1.41% Add +2690.2% 725,457 $16.1M
Citadel Advisors 0.01% Add +99.5% 655,766 $14.5M
Morgan Stanley 0.00% Add +36.1% 650,711 $14.4M
State Street Corp. 0.00% Add +4.5% 605,799 $13.4M
Geode Capital Management, LLC 0.00% Add +2.2% 578,534 $12.8M
Palisade Capital Management, LP 0.36% Add +1.5% 547,167 $12.1M
Kornitzer Capital Management Inc. 0.22% No change 542,874 $12.0M
Jacobs Levy Equity Management, Inc. 0.05% Reduce -0.9% 531,902 $11.8M
Parkman Healthcare Partners LLC 1.00% Add +2.9% 367,408 $8.1M
Ameriprise Financial Inc. 0.00% Add +5.6% 295,327 $6.5M
Deutsche Bank AG 0.00% Add +68.7% 262,808 $5.8M
Millennium Management 0.00% Reduce -65.3% 248,553 $5.5M
Northern Trust Corp. 0.00% Reduce -2.2% 244,388 $5.4M
New York State Common Retirement Fund 0.01% Reduce -3.6% 228,579 $5.1M
Intrinsic Edge Capital Management LLC 0.42% Reduce -31.5% 223,567 $5.0M
Next Century Growth Investors LLC 0.42% Add +2.6% 219,473 $4.9M
Acadian Asset Management LLC 0.02% Add +130.7% 210,824 $4.7M
Charles Schwab Investment Management Inc. 0.00% Reduce -1.1% 204,937 $4.5M
Renaissance Technologies 0.01% Add +82.1% 204,700 $4.5M
Nuveen Asset Management, LLC 0.00% Add +3.9% 189,628 $4.2M
Banque Pictet & Cie SA 0.04% Reduce -8.6% 166,881 $3.7M
Invenomic Capital Management LP 0.20% Reduce -3.0% 166,714 $3.7M
Schonfeld Strategic Advisors LLC 0.03% Add +2.6% 165,441 $3.7M
Bank of America Corp. 0.00% Add +9.1% 151,165 $3.3M
Algert Global LLC 0.13% Add +12.6% 145,407 $3.2M
Advisors Capital Management, LLC 0.06% Add +15.8% 141,115 $3.1M
Goldman Sachs Group Inc. 0.00% Add +55.1% 124,672 $2.8M
Marshall Wace, LLP 0.00% Add +118.1% 97,932 $2.2M
Public Employees Retirement System of Ohio 0.01% Reduce -6.8% 93,436 $2.1M
Tritonpoint Wealth, LLC 0.21% Reduce -2.2% 92,250 $2.0M
Bank of New York Mellon Corp 0.00% Reduce -9.9% 84,105 $1.9M
Cubist Systematic Strategies, LLC 0.02% Add +16.4% 81,744 $1.8M
Connor, Clark & Lunn Investment Management Ltd. 0.01% Reduce -12.3% 77,657 $1.7M
JPMorgan Chase & Co. 0.00% Add +51.2% 76,143 $1.7M
Orion Porfolio Solutions, LLC 0.02% Reduce -3.6% 67,237 $1.5M
Orion Portfolio Solutions, LLC 0.02% Reduce -3.6% 67,237 $1.5M
Polar Asset Management Partners Inc. 0.05% Add +14.3% 60,800 $1.3M
UBS Group AG 0.00% Add +32.2% 54,843 $1.2M
Gsa Capital Partners LLP 0.09% Add +9.1% 52,448 $1.2M
Swiss National Bank 0.00% No change 50,200 $1.1M
Millrace Asset Group, Inc. 1.11% Reduce -36.9% 49,773 $1.1M
Barclays PLC 0.00% Add +20.4% 47,425 $1.1M
Envestnet Asset Management Inc. 0.00% Reduce -8.2% 45,927 $1.0M
Trexquant Investment LP 0.02% Add +291.6% 44,997 $997K
Harbor Capital Advisors, Inc. 0.11% Add +232.2% 39,706 $879K
Rhumbline Advisers 0.00% Add +2.6% 38,908 $862K
American Century Companies Inc. 0.00% Add +42.0% 37,920 $840K
Credit Suisse AG/ 0.00% Add +5.2% 35,809 $793K
Franklin Resources Inc. 0.00% New 35,500 $786K
Stephens Inc. 0.01% Reduce -20.3% 34,734 $769K
HSBC Holdings PLC 0.00% New 34,468 $763K
ABG Innovation Capital Partners III GP Ltd 89.54% Reduce -8.5% 33,626 $745K
Alliancebernstein L.P. 0.00% Reduce -25.3% 33,370 $739K
Perkins Capital Management Inc. 0.59% No change 32,140 $712K
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +16.6% 31,788 $704K
Russell Investments Group, Ltd. 0.00% Reduce -0.9% 31,693 $702K
Engineers Gate Manager LP 0.02% Reduce -4.1% 29,996 $664K
Simon Quick Advisors, LLC 0.05% No change 29,062 $644K
Invesco Ltd. 0.00% Reduce -14.8% 27,396 $607K
Parallel Advisors, LLC 0.02% Reduce -1.1% 26,668 $591K
California State Teachers Retirement System 0.00% Reduce -4.8% 25,484 $564K
Knights of Columbus Asset Advisors LLC 0.04% Reduce -76.3% 25,133 $557K
Legal & General Group Plc 0.00% Reduce -0.2% 24,771 $549K
Y-Intercept (Hong Kong) Ltd 0.04% Add +132.3% 24,603 $545K
Man Group plc 0.00% New 23,057 $511K
Alpha DNA Investment Management LLC 0.28% New 23,040 $510K
AQR Capital Management 0.00% Add +60.5% 22,795 $505K
Capital Impact Advisors, LLC 0.65% Add +37.2% 22,713 $503K
STRS Ohio 0.00% Reduce -5.8% 22,700 $502K
Captrust Financial Advisors 0.00% Reduce -45.2% 21,050 $466K
Sherbrooke Park Advisers LLC 0.09% New 20,825 $461K
Petrus Trust Company, LTA 0.04% New 19,609 $434K
Townsquare Capital LLC 0.01% Reduce -14.9% 19,352 $429K
Two Sigma Advisers, LP 0.00% Reduce -40.8% 19,000 $421K
Los Angeles Capital Management LLC 0.00% No change 18,201 $403K
T. Rowe Price Associates Inc. 0.00% Add +6.7% 18,034 $400K
State of Wisconsin Investment Board 0.00% Reduce -11.4% 17,642 $391K
CANADA LIFE ASSURANCE Co 0.00% No change 16,892 $374K
Two Sigma Investments, LP 0.00% Reduce -3.5% 16,700 $370K
New York Life Investment Management LLC 0.00% New 16,516 $366K
HRT Financial LP 0.00% New 15,011 $332K
Balyasny Asset Management L.P. 0.00% New 14,748 $327K
Premier Fund Managers Ltd 0.01% New 14,783 $314K
Birchview Capital, LP 0.25% Add +40.0% 14,000 $310K
D. E. Shaw & Co. 0.00% Reduce -74.4% 13,382 $296K
Tudor Investment Corporation 0.00% New 12,997 $288K
Bank Pictet & Cie (Europe) AG 0.01% Reduce -4.9% 12,897 $286K
Diversify Advisory Services, LLC 0.02% — 12,498 $278K
MetLife Investment Management, LLC 0.00% No change 12,369 $274K
American International Group, Inc. 0.00% Reduce -0.8% 12,244 $271K
Graham Capital Management, L.P. 0.01% Reduce -18.1% 12,190 $270K
Truist Financial Corp. 0.00% Add +1.4% 11,797 $261K
Mirae Asset Global Investments Co., Ltd. 0.00% Add +1.2% 11,732 $260K
State Board of Administration of Florida Retirement System 0.00% New 10,954 $249K
Royce & Associates LP 0.00% Reduce -64.8% 11,125 $246K
Corton Capital Inc. 0.09% Reduce -9.9% 11,123 $246K
Allspring Global Investments Holdings, LLC 0.00% Add +89.3% 10,862 $241K
Lido Advisors, LLC 0.00% No change 10,524 $233K
Versor Investments LP 0.05% Reduce -27.6% 10,238 $227K
Centiva Capital, LP 0.01% Reduce -24.3% 9,502 $210K
Manufacturers Life Insurance Company, The 0.00% Reduce -5.1% 9,447 $209K
Wells Fargo & Company 0.00% Add +18.6% 9,426 $209K
Janus Henderson Group PLC 0.00% Reduce -0.0% 9,266 $205K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Add +9.0% 8,930 $198K
Denali Advisors LLC 0.05% New 8,400 $186K
First Horizon Advisors, Inc. 0.01% No change 7,853 $174K
Citigroup Inc. 0.00% Add +19.1% 6,654 $147K
Osaic Holdings, Inc. 0.00% Reduce -34.6% 5,456 $121K
China Universal Asset Management Co., Ltd. 0.01% Add +70.3% 5,297 $117K
AlphaQuest LLC 0.02% New 4,028 $89K
Assetmark, Inc. 0.00% Reduce -16.4% 3,958 $88K
Royal Bank of Canada 0.00% Reduce -68.0% 3,152 $70K
RiverPark Advisors, LLC 0.05% Add +362.2% 2,861 $63K
Ameritas Investment Partners, Inc. 0.00% No change 2,450 $54K
Metropolitan Life Insurance Co 0.00% No change 1,410 $31K
Global Retirement Partners, LLC 0.00% Reduce -0.5% 1,100 $24K
Blue Trust, Inc. 0.00% No change 956 $21K
FMR LLC 0.00% Reduce -7.7% 872 $19K
Amalgamated Bank 0.00% Reduce -69.0% 833 $18K
Avior Wealth Management, LLC 0.00% Add +0.7% 731 $16K
Arcadia Investment Management Corp. 0.00% No change 522 $12K
Macroview Investment Management LLC 0.01% Add +280.4% 506 $11K
US Bancorp \de 0.00% Add +54.8% 466 $10K
Nisa Investment Advisors, LLC 0.00% Add +2.5% 328 $7K
Hillsdale Investment Management Inc. 0.00% New 300 $7K
MCF Advisors LLC 0.00% No change 258 $6K
Tower Research Capital LLC (TRC) 0.00% Reduce -96.4% 190 $4K
Lindbrook Capital, LLC 0.00% No change 172 $4K
GAMMA Investing LLC 0.00% Add +476.2% 121 $3K
Daiwa Securities Group Inc. 0.00% No change 86 $2K
Bfsg, LLC 0.00% No change 90 $2K
Principal Securities, Inc. 0.00% Reduce -70.5% 54 $1K
Valley National Advisers Inc. 0.00% Add +30.8% 85 $1K
Group One Trading LLC 0.00% No change 41 $908
PNC Financial Services Group, Inc. 0.00% No change 38 $842
Missouri Trust & Investment Co 0.00% No change 19 $421
Fairman Group, LLC 0.00% No change 13 $288
Colonial Trust Advisors 0.00% No change 6 $133
Farther Finance Advisors, LLC 0.00% No change 5 $111
Huntington National Bank 0.00% No change 1 $22
Simplex Trading, LLC 0.00% New 6 $0
Cwm, LLC 0.00% New 12 $0

"% of holder's portfolio" is CSTL's weight in each manager's 13F, not the share of Castle Biosciences Inc. the manager owns.