Castle BiosciencesCSTL

13F holders, Q2 2024 (June 30)
159holders +8
28new positions
23sold out
5famous investors
$21.77avg. 13F price*

At the end of Q2 2024, 159 institutions reported holding Castle Biosciences Inc. (CSTL) in their 13F filings, up 8 from Q1 2024. 28 opened new positions and 23 sold out. The largest holders were BlackRock Inc. ($66.3M), Wasatch Advisors LP ($50.7M) and Vanguard Group Inc. ($34.3M). 5 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 Paul Tudor Jones (0.0% of Tudor Investment Corporation'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 → Q2 2024

InstitutionsTotal Value
New Positions28$25.1M
Exits23$15.2M

All 13F filers, Q1 2024 → Q2 2024: 3,035,496 shares bought and 2,783,431 shares sold, net +252,065 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.

Ownership 159 holders

BlackRock Inc. 0.00% Add +17.3% 3,044,973 $66.3M
Wasatch Advisors LP 0.27% Reduce -8.8% 2,327,936 $50.7M
Vanguard Group Inc. 0.00% Add +5.6% 1,577,514 $34.3M
Principal Financial Group Inc. 0.02% Reduce -2.2% 1,498,143 $32.6M
Bellevue Group AG 0.43% Reduce -0.2% 1,217,101 $26.5M
Portolan Capital Management, LLC 2.17% Add +16.1% 1,210,952 $26.4M
Granahan Investment Management, LLC 0.92% Reduce -34.9% 1,058,941 $23.1M
Deerfield Management Company, L.P. 0.37% Reduce -5.8% 874,609 $19.0M
Soleus Capital Management, L.P. 1.64% Add +17.7% 853,628 $18.6M
Dimensional Fund Advisors LP 0.00% Add +8.1% 809,934 $17.6M
Citadel Advisors 0.02% Add +5.7% 693,385 $15.1M
State Street Corp. 0.00% Add +2.2% 619,077 $13.5M
Geode Capital Management, LLC 0.00% Add +6.8% 617,679 $13.4M
Kornitzer Capital Management Inc. 0.23% No change 542,874 $11.8M
Palisade Capital Management, LP 0.36% Reduce -1.7% 537,974 $11.7M
Jacobs Levy Equity Management, Inc. 0.05% Reduce -2.6% 517,977 $11.3M
Braidwell LP 0.46% New 416,100 $9.1M
Deutsche Bank AG 0.00% Add +17.8% 309,511 $6.7M
Renaissance Technologies 0.01% Add +47.3% 301,500 $6.6M
Ameriprise Financial Inc. 0.00% Reduce -0.4% 294,022 $6.4M
Nuveen Asset Management, LLC 0.00% Add +51.1% 286,511 $6.2M
Acadian Asset Management LLC 0.02% Add +33.0% 280,497 $6.1M
Parkman Healthcare Partners LLC 0.82% Reduce -24.4% 277,895 $6.0M
Intrinsic Edge Capital Management LLC 0.54% Add +13.8% 254,411 $5.5M
Morgan Stanley 0.00% Reduce -61.7% 249,380 $5.4M
Northern Trust Corp. 0.00% Reduce -2.4% 238,491 $5.2M
Next Century Growth Investors LLC 0.43% Add +7.9% 236,830 $5.2M
Charles Schwab Investment Management Inc. 0.00% Add +14.8% 235,344 $5.1M
Goldman Sachs Group Inc. 0.00% Add +74.2% 217,137 $4.7M
Marshall Wace, LLP 0.01% Add +116.5% 212,036 $4.6M
New York State Common Retirement Fund 0.01% Reduce -17.9% 187,731 $4.1M
Pura Vida Investments, LLC 4.04% New 153,386 $3.3M
Advisors Capital Management, LLC 0.05% Add +0.8% 142,301 $3.1M
Harbor Capital Advisors, Inc. 0.23% Add +249.3% 138,707 $3.0M
Algert Global LLC 0.10% Reduce -8.0% 133,722 $2.9M
Boothbay Fund Management, LLC 0.07% New 100,000 $2.2M
Bank of New York Mellon Corp 0.00% Add +15.0% 96,688 $2.1M
Lisanti Capital Growth, LLC 0.51% New 96,550 $2.1M
Cubist Systematic Strategies, LLC 0.03% Add +13.1% 92,475 $2.0M
Public Employees Retirement System of Ohio 0.01% Reduce -4.8% 88,908 $1.9M
Bank of America Corp. 0.00% Reduce -47.3% 79,612 $1.7M
Tritonpoint Wealth, LLC 0.15% Reduce -23.7% 70,399 $1.5M
Citigroup Inc. 0.00% Add +925.5% 68,234 $1.5M
Connor, Clark & Lunn Investment Management Ltd. 0.01% Reduce -13.9% 66,887 $1.5M
Orion Porfolio Solutions, LLC 0.01% Reduce -7.7% 62,081 $1.4M
Orion Portfolio Solutions, LLC 0.01% Reduce -7.7% 62,081 $1.4M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC 0.00% Add +76.6% 56,136 $1.2M
Point72 Asset Management 0.00% New 53,777 $1.2M
Swiss National Bank 0.00% Add +2.2% 51,300 $1.1M
Schonfeld Strategic Advisors LLC 0.01% Reduce -69.0% 51,247 $1.1M
UBS Group AG 0.00% Reduce -11.2% 48,723 $1.1M
Envestnet Asset Management Inc. 0.00% Add +2.5% 47,097 $1.0M
American Century Companies Inc. 0.00% Add +12.9% 42,818 $932K
Trexquant Investment LP 0.01% Reduce -5.2% 42,651 $929K
Rhumbline Advisers 0.00% Add +7.7% 41,896 $912K
ExodusPoint Capital Management, LP 0.01% New 40,135 $874K
Inspire Investing, LLC 0.09% New 37,167 $809K
Franklin Resources Inc. 0.00% Add +4.3% 37,038 $806K
Jane Street Group, LLC 0.00% New 37,024 $806K
ABG Innovation Capital Partners III GP Ltd 93.07% Add +9.3% 36,747 $800K
Yu Fan 1.05% New 36,747 $800K
Susquehanna International Group, LLP 0.00% New 35,979 $783K
Millennium Management 0.00% Reduce -86.0% 34,827 $758K
Russell Investments Group, Ltd. 0.00% Add +8.9% 34,505 $751K
Birchview Capital, LP 0.68% Add +142.9% 34,000 $740K
Tudor Investment Corporation 0.01% Add +161.1% 33,938 $739K
Alliancebernstein L.P. 0.00% No change 33,370 $726K
HSBC Holdings PLC 0.00% Reduce -1.8% 33,852 $714K
Perkins Capital Management Inc. 0.64% Reduce -3.3% 31,090 $677K
Engineers Gate Manager LP 0.01% Reduce -8.8% 27,372 $596K
Invesco Ltd. 0.00% Reduce -1.3% 27,048 $589K
Campbell & CO Investment Adviser LLC 0.05% New 27,033 $589K
SG Americas Securities, LLC 0.00% New 26,989 $588K
Parallel Advisors, LLC 0.01% Reduce -0.8% 26,468 $576K
JPMorgan Chase & Co. 0.00% Reduce -65.6% 26,168 $570K
STRS Ohio 0.00% Add +13.7% 25,800 $562K
California State Teachers Retirement System 0.00% Reduce -0.2% 25,428 $554K
Knights of Columbus Asset Advisors LLC 0.04% No change 25,133 $547K
Legal & General Group Plc 0.00% Reduce -1.5% 24,390 $531K
Summit Global Investments 0.04% New 23,812 $518K
Stephens Inc. 0.01% Reduce -31.6% 23,773 $518K
Simon Quick Advisors, LLC 0.04% Reduce -18.8% 23,608 $514K
Y-Intercept (Hong Kong) Ltd 0.03% Reduce -5.0% 23,361 $509K
Captrust Financial Advisors 0.00% Add +0.4% 21,125 $460K
T. Rowe Price Associates Inc. 0.00% Add +14.5% 20,648 $450K
Alpha DNA Investment Management LLC 0.25% Reduce -13.0% 20,038 $436K
Centiva Capital, LP 0.02% Add +102.8% 19,273 $420K
Cresset Asset Management, LLC 0.00% New 18,710 $407K
Townsquare Capital LLC 0.01% Reduce -4.0% 18,582 $405K
Millrace Asset Group, Inc. 0.37% Reduce -64.8% 17,506 $381K
State of Wisconsin Investment Board 0.00% Reduce -4.6% 16,823 $366K
Two Sigma Investments, LP 0.00% Add +0.6% 16,800 $366K
Royce & Associates LP 0.00% Add +38.1% 15,365 $334K
Graham Capital Management, L.P. 0.02% Add +21.8% 14,852 $323K
Diversify Wealth Management, LLC 0.04% — 14,756 $322K
Thrivent Financial for Lutherans 0.00% New 14,738 $321K
MetLife Investment Management, LLC 0.00% Add +16.2% 14,372 $313K
Premier Fund Managers Ltd 0.01% No change 14,783 $312K
Truist Financial Corp. 0.00% Add +20.5% 14,217 $310K
Legato Capital Management LLC 0.04% New 14,155 $308K
Corebridge Financial, Inc. 0.00% — 13,917 $303K
CANADA LIFE ASSURANCE Co 0.00% Reduce -21.7% 13,219 $287K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. 0.00% — 13,016 $283K
Barclays PLC 0.00% Reduce -73.2% 12,734 $277K
Petrus Trust Company, LTA 0.03% Reduce -36.1% 12,526 $273K
Corton Capital Inc. 0.14% Add +10.3% 12,271 $267K
Wells Fargo & Company 0.00% Add +22.1% 11,507 $251K
Allspring Global Investments Holdings, LLC 0.00% Reduce -1.0% 10,751 $234K
Lido Advisors, LLC 0.00% No change 10,524 $229K
Manufacturers Life Insurance Company, The 0.00% Add +7.2% 10,122 $220K
XTX Topco Ltd 0.02% New 10,003 $218K
Zurcher Kantonalbank (Zurich Cantonalbank) 0.00% Add +10.7% 9,882 $215K
Man Group plc 0.00% Reduce -58.4% 9,600 $209K
First Horizon Advisors, Inc. 0.01% No change 7,853 $171K
Royal Bank of Canada 0.00% Add +113.2% 6,721 $147K
Caption Management, LLC 0.01% New 5,600 $122K
Osaic Holdings, Inc. 0.00% Reduce -17.5% 4,500 $98K
Assetmark, Inc. 0.00% Add +12.8% 4,464 $97K
Tower Research Capital LLC (TRC) 0.00% Add +1976.8% 3,946 $86K
China Universal Asset Management Co., Ltd. 0.01% Reduce -38.8% 3,242 $71K
RiverPark Advisors, LLC 0.06% Add +9.6% 3,136 $68K
AlphaQuest LLC 0.01% Reduce -30.6% 2,796 $61K
Ameritas Investment Partners, Inc. 0.00% No change 2,450 $53K
Harbour Investments, Inc. 0.00% New 2,270 $49K
Coppell Advisory Solutions LLC 0.01% — 2,043 $44K
C M Bidwell & Associates Ltd. 0.02% New 1,655 $36K
FMR LLC 0.00% Add +39.9% 1,220 $27K
Global Retirement Partners, LLC 0.00% No change 1,100 $24K
Blue Trust, Inc. 0.00% No change 956 $21K
Amalgamated Bank 0.00% No change 833 $18K
Mirae Asset Global Investments Co., Ltd. 0.00% Reduce -93.0% 824 $17K
Avior Wealth Management, LLC 0.00% Reduce -0.7% 726 $16K
Arcadia Investment Management Corp. 0.00% No change 522 $11K
Macroview Investment Management LLC 0.01% Reduce -4.5% 483 $11K
Nisa Investment Advisors, LLC 0.00% Add +19.2% 391 $9K
Opal Wealth Advisors, LLC 0.00% New 339 $7K
Hillsdale Investment Management Inc. 0.00% No change 300 $7K
MCF Advisors LLC 0.00% No change 258 $6K
Point72 Asia (Singapore) Pte. Ltd. 0.00% New 253 $6K
US Bancorp \de 0.00% Reduce -50.2% 232 $5K
Lindbrook Capital, LLC 0.00% No change 172 $4K
Cwm, LLC 0.00% Add +875.0% 117 $3K
GAMMA Investing LLC 0.00% Add +13.2% 137 $3K
Financial Network Wealth Advisors LLC 0.00% New 113 $2K
Farther Finance Advisors, LLC 0.00% Add +1820.0% 96 $2K
Daiwa Securities Group Inc. 0.00% No change 86 $2K
Bfsg, LLC 0.00% No change 90 $2K
Principal Securities, Inc. 0.00% No change 54 $1K
Ibex Wealth Advisors 0.00% New 50 $1K
Valley National Advisers Inc. 0.00% No change 85 $1K
Group One Trading LLC 0.00% No change 41 $893
Arax Advisory Partners 0.00% New 31 $675
Missouri Trust & Investment Co 0.00% No change 19 $414
Rothschild Investment LLC 0.00% New 15 $327
Fairman Group, LLC 0.00% No change 13 $283
EverSource Wealth Advisors, LLC 0.00% New 7 $169
Colonial Trust Advisors 0.00% No change 6 $131
Huntington National Bank 0.00% No change 1 $22
Planning Capital Management Corp 0.00% New 1 $22

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