13F

Stock

Arcellx Inc

Ticker not mapped · held by 237 managers

Reported value

$6.01B

Holders

237

+86 new · −72 exited

Holders’ est. mark

$1.48B

Price effect on 142 books still in the name

Largest holder

$771.7M

GILEAD SCIENCES, INC.

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
GILEAD SCIENCES, INC.6.72M$771.7M$333.5MAdded$333.5M
Paradigm Biocapital Advisors LP5.77M$663M$284MAdded$289.8M
BlackRock, Inc.3.95M$453M$176.1MAdded$221.6M
NEA Management Company, LLC3.05M$349.7M$151.1MAdded$151.1M
Pentwater Capital Management LP2.87M$329.5MNew
VANGUARD CAPITAL MANAGEMENT LLC2.43M$278.5MHeld
VANGUARD PORTFOLIO MANAGEMENT LLC2.42M$278.4MHeld
SR One Capital Management, LP2.35M$269.4M$116.4MAdded$116.4M
FIL Ltd2.34M$268.6MNew
HBK INVESTMENTS L P2.28M$261.6MNew
State Street1.68M$192.4M$83.2MAdded$62.1M
GOLDMAN SACHS GROUP INC1.31M$150.7M$33.2MAdded$107.1M
GEODE CAPITAL MANAGEMENT, LLC1.03M$118.1M$47.5MAdded$55.7M
MORGAN STANLEY925.8K$106.3M$25.7MAdded$72.5M
JPMORGAN CHASE & CO593.6K$68.1M$29.4MCut−$26.7M
Davidson Kempner Capital Management LP559.6K$64.3MNew
TIG Advisors, LLC541.4K$62.2MNew
MILLENNIUM MANAGEMENT LLC502.8K$57.7M$437.7KAdded$57.2M
Balyasny Asset Management L.P.479.8K$55.1MNew
TUDOR INVESTMENT CORP ET AL462.6K$53.1M$2.28MAdded$50.1M
BANK OF AMERICA CORP /DE/452.3K$51.9M$21.2MAdded$24M
Magnetar Financial LLC394.9K$45.3MNew
ALPINE ASSOCIATES MANAGEMENT INC.378K$43.4MNew
NEXPOINT ASSET MANAGEMENT, L.P.373.1K$42.8MNew
Affinity Asset Advisors, LLC362.8K$41.7M$18MAdded$7.51M
NORTHERN TRUST CORP350.1K$40.2M$16MAdded$19.2M
CHARLES SCHWAB INVESTMENT MANAGEMENT INC346.1K$39.7M$16.9MAdded$17.6M
ALLIANCEBERNSTEIN L.P.544.2K$35.5M$0Added$32.8M
VANGUARD FIDUCIARY TRUST CO308.5K$35.4MHeld
Qube Research & Technologies Ltd303.8K$34.9M$4.86MAdded$28.5M
First Trust Capital Management L.P.238.2K$27.4MNew
AQR Arbitrage LLC231.7K$26.6MNew
AJU IB Investment Co., Ltd.223.5K$25.7M$11.1MAdded$11.1M
LMR Partners LLP212.5K$24.4MNew
BARCLAYS PLC207.6K$23.8M$9.76MAdded$11M
Soros Fund Management200K$23MNew
GABELLI FUNDS LLC195.9K$22.5MNew
UBS Group AG194.7K$22.4M$9.66MAdded$1.71M
Verition Fund Management LLC187.4K$21.5MNew
WATER ISLAND CAPITAL LLC183.4K$21.1MNew
Man Group plc180K$20.7M$164.8KAdded$20.5M
Rock Springs Capital Management LP169.9K$19.5M$8.43MAdded$8.43M
GABELLI & Co INVESTMENT ADVISERS, INC.152.4K$17.5MNew
BNP PARIBAS FINANCIAL MARKETS151.6K$17.4M$178.9KAdded$17.2M
Groupe la Francaise151K$17.3MNew
Bank of New York Mellon Corp143.1K$16.4M$6.11MAdded$8.4M
CREDIT INDUSTRIEL ET COMMERCIAL134.6K$15.5MNew
Woodline Partners LP123.8K$14.2M$6.14MCut−$33.9M
GARDNER LEWIS ASSET MANAGEMENT L P123.2K$14.1MNew
Hudson Bay Capital Management LP122.9K$14.1M$6.1MCut−$12M
PICTON MAHONEY ASSET MANAGEMENT120K$13.8MNew
Fidelity119.4K$13.7M$5.92MCut−$218.6M
Slotnik Capital, LLC118K$13.5MNew
ODDO BHF ASSET MANAGEMENT SAS115K$13.2MNew
PRELUDE CAPITAL MANAGEMENT, LLC98.8K$11.3MNew
Renaissance Technologies96.4K$11.1MNew
JANUS HENDERSON GROUP PLC90.3K$10.4M$4.48MCut−$49.6M
CIBRA Capital Ltd88.6K$10.2MNew
Nuveen, LLC85.3K$9.79M$4.07MAdded$4.45M
DEUTSCHE BANK AG\80.7K$9.26M$4MCut−$5.97M
Cinctive Capital Management LP80K$9.19MNew
Chicago Capital Management, LLC93K$8.04MNew
Sagefield Capital LP65.1K$7.47MNew
Russell Investments Group, Ltd.61.9K$7.11M$3.07MCut−$1.4M
SAMSARA BIOCAPITAL, LLC60.9K$6.99M$3.02MAdded$3.02M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC57.3K$6.58M$2.84MCut−$3.92M
Voleon Capital Management LP56.7K$6.51MNew
PSquared Asset Management AG55.3K$6.34MNew
Swiss National Bank54.7K$6.28M$2.71MAdded$2.71M
Twin Securities, Inc.54K$6.2MNew
Susquehanna Portfolio Strategies, LLC50.9K$5.85M$2.53MAdded$2.53M
HARVEST MANAGEMENT LLC50K$5.74MNew
CONGRESS ASSET MANAGEMENT CO47.6K$5.46M$1.29MAdded$3.76M
Invesco Ltd.47.3K$5.43M$2MAdded$2.8M
RHUMBLINE ADVISERS45.2K$5.19M$2.2MAdded$2.3M
Maven Securities LTD42.5K$4.88MNew
Rafferty Asset Management, LLC39.4K$4.53M$1.96MCut−$3.76K
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM34.9K$4.01M$1.35MAdded$2.24M
EQUITEC PROPRIETARY MARKETS, LLC33.6K$3.85MNew
ADAR1 Capital Management, LLC32.1K$3.68M$1.56MAdded$1.63M
FIFTH LANE CAPITAL, LP31K$3.56MNew
ABC ARBITRAGE SA30.3K$3.48MNew
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND30K$3.44MNew
VANGUARD ASSET MANAGEMENT, Ltd27.5K$3.16MHeld
Squarepoint Ops LLC27.1K$3.12M$1.35MCut−$135.1K
NEW YORK LIFE INVESTMENT MANAGEMENT LLC26.2K$3.01MNew
Yakira Capital Management, Inc.24K$2.76MNew
Skandinaviska Enskilda Banken AB (publ)24K$2.76MNew
Legal & General Group Plc21.9K$2.51M$1.09MAdded$585.5K
Citadel21.8K$2.5M$1.08MCut−$95.3M
Erste Asset Management GmbH21K$2.41M$1.04MAdded$1.04M
MetLife Investment Management, LLC20.9K$2.4M$959.8KAdded$1.14M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.20.8K$2.39M$998.9KAdded$1.09M
Knott David M Jr19.4K$2.23M$964.3KAdded$555.7K
Abu Dhabi Investment Council Co P.J.S.C19.3K$2.22MHeld
SUSQUEHANNA INTERNATIONAL GROUP, LLP19.2K$2.2M$360.1KAdded$1.73M
Fortress Investment Group LLC18.2K$2.09MNew
PROFUND ADVISORS LLC17.9K$2.05M$887.1KAdded$374.4K
Kintayl Capital LP17.5K$2.01MNew
STATE OF WISCONSIN INVESTMENT BOARD17.4K$2M$865.1KAdded$637.9K
Vanguard Global Advisers, LLC17.4K$1.99MHeld
Creative Planning15.7K$1.8M$363.2KAdded$1.32M
ExodusPoint Capital Management, LP14.8K$1.7M$735.8KCut−$12.5M
GUGGENHEIM CAPITAL LLC14.8K$1.7M$423.7KAdded$1.14M
WELLS FARGO & COMPANY/MN14.4K$1.65M$714.2KCut−$1.89M
Jasper Ridge Partners, L.P.13.9K$1.6M$692.1KAdded$692.1K
NEW YORK STATE COMMON RETIREMENT FUND12.5K$1.44M$576.7KAdded$680.1K
Zurcher Kantonalbank (Zurich Cantonalbank)12.3K$1.41M$551.6KAdded$689.1K
MANUFACTURERS LIFE INSURANCE COMPANY, THE12K$1.37M$607.1KCut−$2.29M
RK Capital Management, LLC/FL11.9K$1.36MNew
ProShare Advisors LLC11.4K$1.31M$437.5KAdded$731.5K
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM10.8K$1.25M$538.4KAdded$538.4K
Police & Firemen's Retirement System of New Jersey10.4K$1.2M$450.3KAdded$607.7K
China Universal Asset Management Co., Ltd.10.4K$1.19M$467.5KAdded$577.3K
Point72 Asset Management, L.P.9.84K$1.13MNew
State of New Jersey Common Pension Fund D9.48K$1.09M$469.7KAdded$471K
NOMURA HOLDINGS INC9.3K$1.07MNew
High Net Worth Advisory Group LLC8K$918.6K$397KAdded$397K
Kapitalo Investimentos Ltda7.98K$916KNew
CITIGROUP INC7.82K$897.4K$387.8KCut−$9.31M
ARIZONA STATE RETIREMENT SYSTEM7.62K$874.5K$377.8KAdded$378.1K
CSS LLC/IL7.6K$872.6KNew
ASPIRIANT, LLC7.33K$841.9K$363.8KAdded$326.1K
TORNO CAPITAL, LLC7.29K$836.5KNew
Vanguard Investments Australia, Ltd.6.64K$762.2KHeld
Transmarket Holdings LP6.56K$752.9KNew
VOYA INVESTMENT MANAGEMENT LLC6.38K$732.3K$316.5KCut−$10.3M
GTS SECURITIES LLC6.34K$727.7KNew
Mariner, LLC6.28K$721.1K$151.7KAdded$515.3K
KLP KAPITALFORVALTNING AS6.1K$700.4K$292.8KAdded$315.7K
PRUDENTIAL FINANCIAL INC6.04K$693.5K$299.7KCut−$396.6K
Vanguard Personalized Indexing Management, LLC5.84K$670.4K$175KAdded$440.5K
Quantinno Capital Management LP5.28K$605.9K$192.1KAdded$353.5K
VICTORY CAPITAL MANAGEMENT INC5.17K$593.4K$256.4KCut−$2.98M
E Fund Management Co., Ltd.5.08K$583.7KHeld
SEI INVESTMENTS CO4.49K$515.8K$222.9KCut−$505.8K
STRS OHIO4.3K$493.7K$213.4KCut−$606.1K
Pictet Asset Management Holding SA4.23K$485.6K$209.8KCut−$21.9M
MERCER GLOBAL ADVISORS INC /ADV4.06K$465.8K$201.3KAdded$198K
BCK CAPITAL MANAGEMENT LP4K$459.3KNew
Advisors Asset Management, Inc.3.98K$456.8K$197.4KAdded$152.3K
AMERIPRISE FINANCIAL INC3.87K$444.2K$192KCut−$4.06M
Harbour Capital Advisors, LLC3.83K$439.9K$197.6KAdded$197.6K
Virtus Investment Advisers, LLC3.79K$435.6K$183.6KAdded$194.3K
DELTEC ASSET MANAGEMENT LLC3.75K$430.6KNew
TEACHER RETIREMENT SYSTEM OF TEXAS3.63K$416.5K$180KAdded$146.3K
XPONANCE LLC3.52K$404.6KNew
Advisory Alpha, LLC3.3K$379.3K$163.9KAdded$163.2K
Marks Group Wealth Management, Inc3.18K$365.1K$157.8KAdded$70.2K
Ameritas Investment Partners, Inc.3.14K$360.6K$142KAdded$174.1K
Nicholas Investment Partners, LP3.13K$359.7KNew
Mirae Asset Global Investments Co., Ltd.3.05K$350.2K$139.4KAdded$167K
PenderFund Capital Management Ltd.2.9K$333KNew
Verdad Advisers, LP2.89K$332.2KNew
PRINCIPAL FINANCIAL GROUP INC2.76K$317.4KNew
TWO SIGMA SECURITIES, LLC2.67K$306.9KNew
Abel Hall, LLC2.6K$298.8KNew
CIBC Asset Management Inc2.51K$288KNew
Vident Advisory, LLC2.3K$263.9KNew
Tower Research Capital LLC (TRC)2.27K$260.6K$21.2KAdded$232.8K
T. Rowe Price Investment Management, Inc.2.26M$259K$111.9KCut−$429.5K
DNB Asset Management AS2.16K$248.2KNew
Universal- Beteiligungs- und Servicegesellschaft mbH2.15K$246.6K$106.6KCut−$11K
FORA Capital, LLC2.08K$238.5KNew
Swiss Life Asset Management Ltd2.06K$237.1KNew
Empowered Funds, LLC2.01K$230.8KNew
CIBC Bancorp USA Inc.1.94K$222.8KHeld
JONES FINANCIAL COMPANIES LLLP1.94K$221.9K$47.7KAdded$158.9K
Meeder Advisory Services, Inc.1.93K$221.4KNew
Glazer Capital, LLC1.51M$173KNew
GF FUND MANAGEMENT CO. LTD.1.3K$149.2K$56.4KAdded$75.1K
OSAIC HOLDINGS, INC.954$109.5K$4.67KAdded$103.4K
US BANCORP \DE\909$104.4K$45.1KAdded$42.6K
METEORA CAPITAL, LLC876$100.6KNew
NISA INVESTMENT ADVISORS, LLC844$96.9K$21.3KAdded$68.9K
Quantbot Technologies LP749$86KNew
PNC Financial Services Group, Inc.580$66.6K$21.1KAdded$38.9K
State of Wyoming524$60.2K$26KAdded$25.2K
Strengthening Families & Communities, LLC500$57.4KNew
BNP PARIBAS ASSET MANAGEMENT Holding S.A.485$55.7K$42KAdded$55.7K
Rockefeller Capital Management L.P.484$55.6K$4.81KAdded$49.2K
GROUP ONE TRADING LLC462$53K$22.9KCut−$75.3K
GAMMA Investing LLC456$52.4K$16.6KAdded$30.6K
FIFTH THIRD BANCORP382$43.8KNew
Bayforest Capital Ltd375$43.1KNew
Quarry LP360$41.3KNew
Larson Financial Group LLC357$41K$3.92KAdded$35.8K
Smartleaf Asset Management LLC305$35K$15.6KAdded$14.8K
Versant Capital Management, Inc250$28.7K$12.1KAdded$12.9K
Sterling Capital Management LLC249$28.6K$11.4KAdded$13.7K
SBI Securities Co., Ltd.239$27.4K$11.9KCut−$201.8K
Optiver Holding B.V.226$25.9K$2.18KAdded$23.1K
Parallel Advisors, LLC133$15.3K$2.73KAdded$11.7K
E Fund Management (Hong Kong) Co., Ltd.126$14.5KNew
Keating Financial Advisory Services, Inc.107$12.3K$5.31KCut−$1.41K
Allworth Financial LP80$9.19K$1.19KAdded$7.62K
EverSource Wealth Advisors, LLC78$8.95K$3.87KAdded$1.78K
CWM, LLC77$8.84K$8.84KAdded$8.83K
Athos Capital Ltd64.9K$7.45KNew
ROYAL BANK OF CANADA59$7K$3.14KCut−$59K
Arax Advisory Partners60$6.89K$2.98KCut−$2.96K
SMA Capital LLC53$6.08KNew
PRICE T ROWE ASSOCIATES INC /MD/46K$5.28K$2.28KCut−$99.7K
Aventura Private Wealth, LLC45$5.17K$2.23KAdded$2.23K
Farther Finance Advisors, LLC44$5.05K$1.34KAdded$3.29K
AdvisorNet Financial, Inc42$4.82KNew
Bare Financial Services, Inc39$4.48K$1.24KAdded$2.85K
HUNTINGTON NATIONAL BANK32$3.67K$1.59KAdded$1.59K
SIGNATUREFD, LLC31$3.56K$1.54KAdded$1.21K
DekaBank Deutsche Girozentrale30K$3.5K$1.2KAdded$1.2K
FIRST HORIZON CORP30$3.44K$1.14KAdded$1.95K
Parkside Financial Bank & Trust29$3.33K$1.44KAdded$1.44K
SG Americas Securities, LLC24.7K$2.84K$598Added$2.05K
Vestcor Inc19.6K$2.25KNew
TD PRIVATE CLIENT WEALTH LLC18$2.07K$100Added$1.94K
ASSETMARK, INC18$2.07K$893Cut−$1.19K
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO16$1.84K$794Added$207
Cornerstone Financial Management LLC15$1.72K$744Added$744
QUADRANT CAPITAL GROUP LLC14$1.61K$695Added$695
Handelsbanken Fonder AB13K$1.49K$645Added$645
IFP Advisors, Inc12$1.38K$596Added$74
Mint Tower Capital Management B.V.12K$1.38KNew
Steward Partners Investment Advisory, LLC7$804$348Added$348
Bell Investment Advisors, Inc7$804$347Added$347
ROTHSCHILD INVESTMENT LLC5$574$248Cut−$2.03K
Hughes Financial Services, LLC5$574$100Added$444
LRI Investments, LLC4$459New
Stone House Investment Management, LLC3$344New
Blue Trust, Inc.3$344$148Cut−$178
TWIN PEAKS WEALTH ADVISORS, LLC2$230New
MAI Capital Management2$230New
PRAXIS INVESTMENT MANAGEMENT INC1.89K$217New
KBC Group NV1.06K$121$52Added$52
TFC Financial Management, Inc.1$115$49Added$49
Covestor Ltd151$17$7Added$2
BESSEMER GROUP INC30$3$1Added$1
Capital Advisors, Ltd. LLC1$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.