13F

Stock

Castle Biosciences Inc

CSTL · held by 187 managers

Reported value

$655.1M

Holders

187

+24 new · −36 exited

Holders’ est. mark

−$307.7M

Price effect on 157 books still in the name

Largest holder

$73.2M

BlackRock, Inc.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
BlackRock, Inc.2.98M$73.2M−$42.8MCut−$47.6M
RTW INVESTMENTS, LP2.76M$67.7M−$30.4MCut−$14.6M
PRINCIPAL FINANCIAL GROUP INC1.77M$43.5M−$25.4MCut−$26.9M
Portolan Capital Management, LLC1.35M$33.1M−$19.4MCut−$34.1M
VANGUARD CAPITAL MANAGEMENT LLC1.18M$28.9MHeld
DIMENSIONAL FUND ADVISORS LP1.04M$25.5M−$14.9MCut−$19M
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC940.7K$23.1M−$13.5MCut−$18.1M
VANGUARD PORTFOLIO MANAGEMENT LLC861.8K$21.2MHeld
Allianz Asset Management GmbH811.3K$19.9M−$8.93MCut−$4.29M
State Street769.1K$18.9M−$10.6MCut−$9.77M
GEODE CAPITAL MANAGEMENT, LLC728.1K$17.9M−$10.3MCut−$9.94M
AIGH Capital Management LLC590.6K$14.5M−$8.48MCut−$9.8M
Qube Research & Technologies Ltd559.6K$13.7M−$3.38MAdded$4.58M
PALISADE CAPITAL MANAGEMENT, LP535.9K$13.2M−$7.69MCut−$8.93M
Renaissance Technologies532.8K$13.1M−$7.08MCut−$6.1M
Nuveen, LLC522.1K$12.8M−$7.49MCut−$7.59M
WASATCH ADVISORS LP455K$11.2M−$6.53MCut−$9.73M
MORGAN STANLEY428.9K$10.5M−$2.92MAdded$2.61M
EVENTIDE ASSET MANAGEMENT, LLC386.4K$9.49M−$4.38MCut−$2.38M
Connor, Clark & Lunn Investment Management Ltd.377.1K$9.26M−$5.41MCut−$5.85M
MILLENNIUM MANAGEMENT LLC353.3K$8.67M−$4.43MCut−$3.34M
GOLDMAN SACHS GROUP INC341.2K$8.38M−$4.12MCut−$2.8M
SCHRODER INVESTMENT MANAGEMENT GROUP298.9K$7.04M−$4.71MCut−$12.3M
NORTHERN TRUST CORP273.1K$6.7M−$3.76MCut−$3.5M
SILVERCREST ASSET MANAGEMENT GROUP LLC268.5K$6.59M−$2.94MCut−$1.38M
KORNITZER CAPITAL MANAGEMENT INC /KS264.4K$6.49M−$3.79MCut−$3.92M
BRIDGEWAY CAPITAL MANAGEMENT, LLC255.2K$6.26M−$3.54MCut−$3.34M
TWO SIGMA INVESTMENTS, LP248.8K$6.11M−$1.21MAdded$2.84M
Advisors Capital Management, LLC248.4K$6.1M−$3.56MCut−$3.65M
CHARLES SCHWAB INVESTMENT MANAGEMENT INC241.9K$5.94M−$3.47MCut−$3.5M
NEW YORK STATE COMMON RETIREMENT FUND233K$5.72M−$3.34MCut−$3.34M
TUDOR INVESTMENT CORP ET AL223K$5.47M−$2.4MCut−$1.03M
PANAGORA ASSET MANAGEMENT INC222.4K$5.46M−$660KAdded$3.67M
D. E. Shaw & Co., Inc.212K$5.2M−$2.29MCut−$1.01M
VANGUARD FIDUCIARY TRUST CO188.2K$4.62MHeld
Allspring Global Investments Holdings, LLC160.7K$3.94M−$2.23MCut−$2.19M
Campbell & CO Investment Adviser LLC148.8K$3.65MNew
Empowered Funds, LLC132.2K$3.25M−$1.75MCut−$1.5M
Trexquant Investment LP130.4K$3.2M−$927.1KAdded$689K
Parkman Healthcare Partners LLC126.2K$3.1M−$1.81MCut−$2.76M
BNP PARIBAS FINANCIAL MARKETS122.2K$3M−$1.75MCut−$2.84M
Citadel121K$2.97M−$1.74MCut−$11.3M
FRANKLIN RESOURCES INC90.9K$2.23M−$1.16MCut−$903.6K
Bank of New York Mellon Corp88.7K$2.18M−$1.25MCut−$1.21M
JPMORGAN CHASE & CO88.8K$2.09M−$1.36MCut−$1.41M
AMERICAN CENTURY COMPANIES INC79.1K$1.94M−$1.12MCut−$1.08M
Orion Porfolio Solutions, LLC74.9K$1.84M−$1.07MCut−$1.07M
MACKENZIE FINANCIAL CORP74.1K$1.82M−$547.9KAdded$355.4K
BANK OF AMERICA CORP /DE/67.8K$1.66M−$973.1KCut−$8.57M
SummitTX Capital, L.P.67K$1.65M−$249.8KAdded$968.4K
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC65K$1.59M−$932.2KCut−$1.11M
Icahn Capital64.9K$1.59M−$916.7KCut−$892.2K
ENVESTNET ASSET MANAGEMENT INC61.9K$1.52M−$887.8KCut−$891.7K
Invesco Ltd.61K$1.5M−$875.5KCut−$3.77M
Swiss National Bank57.3K$1.41M−$822.3KCut−$822.3K
Fidelity50.4K$1.24M−$606.8KCut−$407.3K
UBS Group AG49.2K$1.21M−$705.5KCut−$4.31M
Man Group plc47.1K$1.16M−$166.2KAdded$706.6K
FORMULA GROWTH LTD46K$1.13MNew
Quantinno Capital Management LP45.5K$1.12M−$133.9KAdded$753.4K
JANE STREET GROUP, LLC42.6K$1.04M−$610.8KCut−$5.52M
Schonfeld Strategic Advisors LLC42.4K$1.04M−$308.2KAdded$205.8K
ALLIANCEBERNSTEIN L.P.25.3K$983K$0Held
RHUMBLINE ADVISERS38.4K$942.2K−$550.7KCut−$554.2K
NOMURA HOLDINGS INC35.7K$877.6KNew
SEI INVESTMENTS CO35K$860.4K−$502.9KCut−$685K
Universal- Beteiligungs- und Servicegesellschaft mbH34.4K$844.2K−$421.3KCut−$297.8K
ExodusPoint Capital Management, LP32.6K$800.5KNew
Corient Private Wealth LLC31.9K$782.4KNew
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM27.5K$675.4K−$394.8KCut−$403.1K
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP27.1K$666.3K−$100.9KAdded$392.9K
BARCLAYS PLC26.8K$658.2K−$384.7KCut−$2.15M
FOX RUN MANAGEMENT, L.L.C.26.2K$618.1K−$335.9KCut−$233.2K
STRS OHIO25K$613.8K−$180.8KAdded$123.6K
DEUTSCHE BANK AG\24.2K$593.2K−$321.2KCut−$277.5K
TRUIST FINANCIAL CORP23.8K$583.8K−$339.1KCut−$335.3K
Y-Intercept (Hong Kong) Ltd23.5K$577K−$190.1KAdded$61.7K
Magnetar Financial LLC23.3K$572.8KNew
Legal & General Group Plc23.2K$569.2K−$332.7KCut−$587.5K
Quantbot Technologies LP22.1K$541.6K−$674Added$539.7K
Inspire Investing, LLC21K$516.7K−$172.4KAdded$49.4K
XTX Topco Ltd20.3K$497.9K−$291.1KCut−$362.7K
Brevan Howard Capital Management LP18.6K$455.6KNew
Engineers Gate Manager LP18.3K$448.2K−$262KCut−$444.5K
VANGUARD ASSET MANAGEMENT, Ltd17.7K$433.4KHeld
MetLife Investment Management, LLC16.7K$410.5K−$227.9KCut−$207.2K
First Bank & Trust16.5K$405.2K−$236.8KCut−$244.7K
Dynamic Technology Lab Private Ltd15.9K$390.7KNew
DIVERSIFY WEALTH MANAGEMENT, LLC15.8K$382K−$178.5KCut−$77.3K
PERKINS CAPITAL MANAGEMENT INC15.4K$378.4K−$221.2KCut−$712.5K
JANUS HENDERSON GROUP PLC15K$369.1K−$215.9KCut−$215.9K
Zurcher Kantonalbank (Zurich Cantonalbank)15K$368.9K−$169.5KCut−$90.5K
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.13.7K$335.7K−$189.8KCut−$178.6K
Oak Harvest Investment Services13.5K$331.1K−$193.5KCut−$193.5K
Parallel Advisors, LLC13.3K$326.5K−$190.9KCut−$217.5K
Birchview Capital, LP12.9K$316.7K−$185.1KCut−$2.82M
WELLS FARGO & COMPANY/MN12.9K$316.5K−$185KCut−$1.01M
LOS ANGELES CAPITAL MANAGEMENT LLC12.7K$312.5K$4.33KCut−$259.6K
Creative Planning12.5K$306.4K−$179.1KCut−$321.5K
MANUFACTURERS LIFE INSURANCE COMPANY, THE12.4K$305.4K−$121.8KCut−$24.8K
Jump Financial, LLC12.3K$302K−$78.9KAdded$88K
Vanguard Global Advisers, LLC11.5K$282.4KHeld
CANADA PENSION PLAN INVESTMENT BOARD11.4K$279.9K−$90.4KAdded$34.8K
Graham Capital Management, L.P.11.1K$273.3K−$156.8KCut−$151.8K
TritonPoint Partners, LLC10.8K$264.6K−$154.6KCut−$154.7K
Lido Advisors, LLC10K$246.3K$17.9KAdded$17.7K
Green Alpha Advisors, LLC9.95K$244.2K−$142.7KCut−$154K
LPL Financial LLC9.7K$238.1K−$139.2KCut−$185K
State of Wyoming9.52K$233.8K−$43.3KAdded$116.5K
SUSQUEHANNA INTERNATIONAL GROUP, LLP9.52K$233.7KNew
Russell Investments Group, Ltd.9.31K$228.7K−$35.7KAdded$131.9K
Cetera Investment Advisers9.21K$226.1K−$128.2KCut−$121.5K
SIMON QUICK ADVISORS, LLC8.56K$210.2K−$122.8KCut−$122.8K
Numerai GP LLC8.31K$203.9KNew
GLENMEDE TRUST CO NA8.17K$200.5K−$117.2KCut−$118.1K
Police & Firemen's Retirement System of New Jersey7.83K$192.2K−$112.3KCut−$112.3K
Vanguard Investments Australia, Ltd.7.55K$185.4KHeld
KLP KAPITALFORVALTNING AS6.2K$152.2K−$89KCut−$89K
ASSETMARK, INC5.78K$141.9K−$75.9KCut−$63.8K
China Universal Asset Management Co., Ltd.5.28K$129.5K−$68.2KCut−$55.5K
CITIGROUP INC4.03K$98.9K−$57.8KCut−$1.16M
GLOBEFLEX CAPITAL L P3.76K$92.3K−$53.9KCut−$53.9K
HARBOUR INVESTMENTS, INC.3.25K$79.7K−$45KCut−$42.3K
CWM, LLC3.01K$73.9K$56.4KAdded$73.8K
Farther Finance Advisors, LLC2.39K$59.8K−$33.1KCut−$70K
Ameritas Investment Partners, Inc.2.37K$58.3K−$34.1KCut−$34.1K
Tower Research Capital LLC (TRC)1.6K$39.4K−$23KCut−$38.9K
Mirae Asset Global Investments Co., Ltd.1.55K$38.1K−$20.3KCut−$17.1K
FEDERATED HERMES, INC.1.25K$30.7K−$9.47KAdded$4.99K
Sterling Capital Management LLC971$23.8K−$13.9KCut−$39.8K
OSAIC HOLDINGS, INC.857$21K−$12.3KCut−$1.39M
BNP PARIBAS ASSET MANAGEMENT Holding S.A.761$18.7K$18.7KAdded$18.6K
GF FUND MANAGEMENT CO. LTD.648$15.9K−$8.22KCut−$6.38K
FIRST HORIZON CORP587$14.4K−$8.42KCut−$12K
ACADIAN ASSET MANAGEMENT LLC484.4K$11.9K−$5.6KCut−$3.3K
Hughes Financial Services, LLC446$10.9K−$6.26KCut−$6.01K
Rossby Financial, LCC429$10.7K−$5.94KCut−$5.94K
Rockefeller Capital Management L.P.433$10.6K−$1.25KAdded$7.25K
MEEDER ASSET MANAGEMENT INC387$9.5KNew
QUADRANT CAPITAL GROUP LLC336$8.25K−$4.82KCut−$4.82K
GROUP ONE TRADING LLC292$7.17KNew
Advisory Services Network, LLC287$7.05KNew
NISA INVESTMENT ADVISORS, LLC256$6.29K−$3.67KCut−$4.65K
Versant Capital Management, Inc246$6.04K−$2.6KCut−$1K
SG Americas Securities, LLC244.9K$6.01K−$305Added$5.18K
JONES FINANCIAL COMPANIES LLLP250$5.88K−$3.84KCut−$14.2K
MassMutual Private Wealth & Trust, FSB202$4.96KNew
PNC Financial Services Group, Inc.163$4K−$2.34KCut−$17.2K
ROYAL BANK OF CANADA177$4K−$2.75KCut−$29K
HUNTINGTON NATIONAL BANK139$3.41K−$1.99KCut−$1.99K
Essential Partners LLC129$3.17K−$1.85KCut−$2.05K
US BANCORP \DE\92$2.26K−$689Added$391
BFSG, LLC90$2.21K−$1.29KCut−$1.29K
Destiny Wealth Partners, LLC88$2.16KNew
Allworth Financial LP63$1.55K−$430Added$380
ROTHSCHILD INVESTMENT LLC58$1.42K−$761Cut−$638
IFP Advisors, Inc52$1.28K−$746Cut−$746
Spire Wealth Management50$1.23K−$717Cut−$717
SBI Securities Co., Ltd.47$1.15K−$674Cut−$869
GAMMA Investing LLC46$1.13K−$661Cut−$894
SIGNATUREFD, LLC45$1.1K−$646Cut−$646
PRICE T ROWE ASSOCIATES INC /MD/37.8K$928−$490Cut−$400
KBC Group NV36.9K$907New
ALGERT GLOBAL LLC34.8K$854−$272Added$116
HARBOR CAPITAL ADVISORS, INC.25.6K$629−$193Added$106
Parkside Financial Bank & Trust25$614−$359Cut−$359
EverSource Wealth Advisors, LLC20$491−$287Cut−$598
MAI Capital Management19$467New
SJS Investment Consulting Inc.19$467New
Missouri Trust & Investment Co19$466−$273Cut−$273
Signature Equity Partners, LLC16$393−$229Cut−$229
HRT FINANCIAL LP15.9K$389−$228Cut−$1.46K
Summit Global Investments13.7K$337−$177Cut−$144
Investors Portfolio Services LLC18$325New
GSA CAPITAL PARTNERS LLP12.2K$300New
Jackson Creek Investment Advisors LLC11.2K$275−$161Cut−$162
Smartleaf Asset Management LLC8$207New
Arax Advisory Partners4$99−$57Cut−$1.34K
Wealth Preservation Advisors, LLC4$98New
CANADA LIFE ASSURANCE Co3.24K$80−$46Cut−$46
Sunbelt Securities, Inc.3$74−$14Added$35
True Wealth Design, LLC2$50−$28Cut−$145
State of Alaska, Department of Revenue1.55K$38−$22Cut−$22
Covestor Ltd1.1K$27−$14Cut−$12
TWIN PEAKS WEALTH ADVISORS, LLC1$25New
Larson Financial Group LLC1$25−$14Cut−$14
Erste Asset Management GmbH0$0New

Who left

Positions as of Q1 2026. 13F filings arrive up to 45 days after quarter-end and omit shorts. Values are quarter-end marks, as filed. Estimated mark is the price effect on shares still held — not realized P&L or investment advice.