13F

Stock

Regeneron Pharmaceuticals, Inc.

REGN · held by 1,383 managers

Reported value

$65.6B

Holders

1,383

+8 new · −7 exited

Holders’ est. mark

$791.5M

Price effect on 11 books still in the name

Largest holder

$7B

Vanguard

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Vanguard9.08M$7BHeld
BlackRock, Inc.8.74M$6.75BHeld
State Street4.66M$3.6BHeld
Dodge & Cox4.6M$3.55BHeld
JPMORGAN CHASE & CO3.94M$3.04BHeld
FRANKLIN RESOURCES INC2.56M$1.98BHeld
GEODE CAPITAL MANAGEMENT, LLC2.52M$1.94BHeld
Fidelity2.32M$1.79BHeld
Nuveen, LLC2.01M$1.55BHeld
LOOMIS SAYLES & CO L P1.93M$1.49BHeld
Invesco Ltd.1.59M$1.23BHeld
Capital World Investors1.4M$1.08BHeld
MORGAN STANLEY1.39M$1.07B$291.2MAdded$256.5M
NORGES BANK1.31M$1.01B$155.3MAdded$296.6M
BANK OF AMERICA CORP /DE/1.16M$893.4M$241.9MAdded$244.6M
GOLDMAN SACHS GROUP INC1.1M$847MHeld
Icahn Capital995.7K$768.5MHeld
NORTHERN TRUST CORP944.9K$729.4MHeld
Amundi791.9K$611.2MHeld
CHARLES SCHWAB INVESTMENT MANAGEMENT INC778K$600.5MHeld
Bank of New York Mellon Corp764.2K$589.9MHeld
DEUTSCHE BANK AG\763.9K$589.7MHeld
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC745.2K$575.2MHeld
Legal & General Group Plc743K$573.5MHeld
WELLINGTON MANAGEMENT GROUP LLP664.5K$512.9MHeld
TWO SIGMA ADVISERS, LP604.5K$466.6MHeld
AMERICAN CENTURY COMPANIES INC551.5K$425.7MHeld
FIL Ltd529.2K$408.5MHeld
DIMENSIONAL FUND ADVISORS LP499.5K$385.6MHeld
MARSHALL WACE, LLP478.6K$369.4MHeld
ALLIANCEBERNSTEIN L.P.478.4K$369.3MHeld
Holocene Advisors, LP460.7K$355.6MHeld
BNP PARIBAS FINANCIAL MARKETS440.8K$340.3MHeld
NEUBERGER BERMAN GROUP LLC422.1K$325.8MHeld
MANUFACTURERS LIFE INSURANCE COMPANY, THE421.2K$325.3MHeld
Pacer Advisors, Inc.397.7K$306.9MHeld
TD Asset Management Inc397.6K$306.9MHeld
MILLENNIUM MANAGEMENT LLC379.8K$293.1MHeld
Pictet Asset Management Holding SA367.9K$284.7MHeld
National Pension Service361K$278.6MHeld
ROYAL BANK OF CANADA345.2K$266.5MHeld
Caisse de depot et placement du Quebec342.3K$264.2MHeld
HSBC HOLDINGS PLC318.8K$246.2MHeld
BARCLAYS PLC311.2K$240.2M$65.2MAdded$56.9M
VOYA INVESTMENT MANAGEMENT LLC294K$226.8MHeld
AMERIPRISE FINANCIAL INC291.9K$225.6MHeld
Swiss National Bank285.5K$220.3MHeld
Sumitomo Mitsui Trust Group, Inc.285K$220MHeld
Epoch Investment Partners, Inc.281.3K$217.2MHeld
TWO SIGMA INVESTMENTS, LP281.2K$217MHeld
UBS Group AG271.2K$209.3MHeld
JACOBS LEVY EQUITY MANAGEMENT, INC265K$204.5MHeld
Point72 Asset Management, L.P.262.5K$202.6MHeld
Robeco Institutional Asset Management B.V.261.9K$202.1MHeld
FEDERATED HERMES, INC.246.6K$190.4MHeld
CITIGROUP INC245.3K$189.4MHeld
Assenagon Asset Management S.A.233.2K$180MHeld
Swedbank AB227.8K$175.8MHeld
Mitsubishi UFJ Asset Management Co., Ltd.224.9K$174.6MHeld
Russell Investments Group, Ltd.221.1K$170.7MHeld
Man Group plc218.1K$168.4MHeld
1832 Asset Management L.P.216.9K$167.4MHeld
MCDONALD CAPITAL INVESTORS INC/CA208.2K$160.7MHeld
FIRST TRUST ADVISORS LP205.7K$158.8MHeld
JANUS HENDERSON GROUP PLC205.7K$158.8MHeld
Candriam S.C.A.205.3K$158.5MHeld
Polar Capital Holdings Plc204.9K$158.2MHeld
California Public Employees Retirement System201.1K$155.2MHeld
Chevy Chase Trust Holdings, LLC200.7K$155MHeld
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP194.7K$150.3MHeld
ProShare Advisors LLC184.3K$142.2MHeld
Bronte Capital Management Pty Ltd.176.8K$136.4MHeld
SOUND SHORE MANAGEMENT INC /CT/175.9K$135.8MHeld
Allianz Asset Management GmbH168.6K$130.1MHeld
CANADA PENSION PLAN INVESTMENT BOARD168.4K$130MHeld
SOUTHEASTERN ASSET MANAGEMENT INC/TN/165.8K$128MHeld
Aberdeen Group plc161.7K$124.8MHeld
RHUMBLINE ADVISERS160.8K$124.1MHeld
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM158.7K$122.5MHeld
D. E. Shaw & Co., Inc.155.5K$120MHeld
RAYMOND JAMES FINANCIAL INC149.6K$115.5MHeld
Citadel145K$111.9MHeld
Qube Research & Technologies Ltd142.2K$109.7MHeld
WELLS FARGO & COMPANY/MN140K$108.1MHeld
NORDEA INVESTMENT MANAGEMENT AB137.3K$105.8MHeld
Retirement Systems of Alabama128.3K$99MHeld
BANK OF NOVA SCOTIA120K$92.6MHeld
NATIONAL BANK OF CANADA /FI/119.8K$92.5MHeld
PRINCIPAL FINANCIAL GROUP INC119.6K$92.3MHeld
NEW YORK STATE COMMON RETIREMENT FUND117.4K$90.6MHeld
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND114.7K$88.5MHeld
VICTORY CAPITAL MANAGEMENT INC112K$86.4MHeld
Universal- Beteiligungs- und Servicegesellschaft mbH108.9K$84.2MHeld
CREDIT AGRICOLE S A108.9K$84.1MHeld
Integral Health Asset Management, LLC105K$81MHeld
Capital Research Global Investors103.3K$79.8MHeld
BANK OF MONTREAL /CAN/101K$77.9MHeld
DANSKE BANK A/S99.3K$76.6M$12.5MAdded$50.1M
PARNASSUS INVESTMENTS, LLC96.5K$74.5MHeld
Mariner, LLC95.2K$73.5MHeld
SEIZERT CAPITAL PARTNERS, LLC94.7K$73.1MHeld
PFA Pension, Forsikringsaktieselskab92.8K$71.9MHeld
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM92.7K$71.6MHeld
SUSQUEHANNA INTERNATIONAL GROUP, LLP92.5K$71.4MHeld
Cannell & Spears LLC89.4K$69MHeld
ENVESTNET ASSET MANAGEMENT INC89K$68.7MHeld
AVIVA PLC88.6K$68.4MHeld
PRUDENTIAL FINANCIAL INC87.2K$67.3MHeld
LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA87K$67.1MHeld
LOS ANGELES CAPITAL MANAGEMENT LLC100.5K$65.7MHeld
ARMISTICE CAPITAL, LLC84K$64.8MHeld
PINNACLE ASSOCIATES LTD83.7K$64.6MHeld
ADAGE CAPITAL PARTNERS GP, L.L.C.82.4K$63.6MHeld
Harvest Portfolios Group Inc.81.7K$63.1MHeld
Zurcher Kantonalbank (Zurich Cantonalbank)81.2K$62.7MHeld
Gotham Asset Management, LLC80.3K$62MHeld
Capitolis Liquid Global Markets LLC80K$61.7MHeld
MACKENZIE FINANCIAL CORP78.7K$60.8MHeld
Mirae Asset Global Investments Co., Ltd.77.2K$59.6MHeld
Bridgewater72.7K$56.1MHeld
GROUPAMA ASSET MANAGMENT71.2K$54.9M$13.1MAdded$19.7M
ExodusPoint Capital Management, LP69.8K$53.9MHeld
Korea Investment CORP69.2K$53.4MHeld
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.69.2K$53.4MHeld
IEQ CAPITAL, LLC68.6K$53MHeld
Balyasny Asset Management L.P.68.6K$52.9MHeld
GuoLine Advisory Pte Ltd67.3K$51.9MHeld
Woodline Partners LP65K$50.1MHeld
LPL Financial LLC62.6K$48.3MHeld
NEOS Investment Management LLC62.3K$48.1MHeld
Clearbridge Investments, LLC62K$47.9MHeld
Rhenman & Partners Asset Management AB61.4K$47.4MHeld
APG Asset Management N.V.71.1K$46.7MHeld
CAMBIAR INVESTORS LLC60.2K$46.4MHeld
WORLDQUANT MILLENNIUM ADVISORS LLC59.4K$45.8MHeld
STATE OF WISCONSIN INVESTMENT BOARD59.1K$45.6MHeld
Grantham, Mayo, Van Otterloo & Co. LLC56.7K$43.8MHeld
Skandinaviska Enskilda Banken AB (publ)56.6K$43.7MHeld
ING GROEP NV56.6K$43.7MHeld
SEI INVESTMENTS CO56.6K$43.7MHeld
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.55.5K$42.9MHeld
Asset Management One Co., Ltd.54.2K$42.3MHeld
TORONTO DOMINION BANK54K$41.6MHeld
NOMURA ASSET MANAGEMENT CO LTD53.4K$41.2MHeld
Erste Asset Management GmbH52K$40.5MHeld
Davern Capital Partners, LP52.4K$40.5MHeld
KLP KAPITALFORVALTNING AS51.7K$39.9MHeld
STIFEL FINANCIAL CORP50.5K$39MHeld
Carmignac Gestion50K$38.6MHeld
Baird Financial Group, Inc.49.9K$38.5MHeld
Mitsubishi UFJ Trust & Banking Corp49K$37.8MHeld
PANAGORA ASSET MANAGEMENT INC47.7K$36.8MHeld
TOCQUEVILLE ASSET MANAGEMENT L.P.46.8K$36.1MHeld
DNB Asset Management AS46.2K$35.6MHeld
HighTower Advisors, LLC46.1K$35.6MHeld
Mediolanum International Funds Ltd45.5K$35.2MHeld
GUGGENHEIM CAPITAL LLC44.9K$34.7MHeld
CIBC Asset Management Inc42.7K$32.9MHeld
ATWOOD & PALMER INC41.8K$32.3MHeld
VIRGINIA RETIREMENT SYSTEMS ET Al41.7K$32.2MHeld
Freestone Grove Partners LP41.4K$32MHeld
Bank Julius Baer & Co. Ltd, Zurich41.4K$31.9MHeld
WEDGE CAPITAL MANAGEMENT L L P/NC41.3K$31.9MHeld
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO41.2K$31.8MHeld
Zurich Insurance Group Ltd/FI40.8K$31.5MHeld
Tamar Securities, LLC40.5K$31.2MHeld
NOMURA HOLDINGS INC40.4K$31.2MHeld
LMCG INVESTMENTS, LLC39.8K$30.7MHeld
Sanctuary Advisors, LLC39K$30.1M$8.16MAdded$8.2M
Quantinno Capital Management LP38.7K$29.8MHeld
State of Tennessee, Department of Treasury40.1K$29.8MHeld
TRUIST FINANCIAL CORP38.4K$29.7MHeld
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main38.4K$29.7M−$10.7MCut−$13.8M
Lansforsakringar Fondforvaltning AB (publ)38.1K$29.4MHeld
Howland Capital Management LLC37.9K$29.2MHeld
Allspring Global Investments Holdings, LLC37.6K$29.2MHeld
Banco Santander, S.A.37.7K$29.1MNew
GRANDFIELD & DODD, LLC36.6K$28.2MHeld
BANCO BILBAO VIZCAYA ARGENTARIA, S.A.36K$27.8MHeld
State of New Jersey Common Pension Fund D35.5K$27.4MHeld
Walleye Capital LLC35.5K$27.4MHeld
ARS Investment Partners, LLC35.4K$27.4MHeld
Rafferty Asset Management, LLC35.3K$27.3MHeld
STEADFAST CAPITAL MANAGEMENT LP35.2K$27.2MHeld
Cerity Partners LLC34.2K$26.4MHeld
MACQUARIE GROUP LTD33.8K$26.1MHeld
NATIXIS33.8K$26.1MHeld
Empowered Funds, LLC33.1K$25.5MHeld
STRS OHIO33K$25.5MHeld
STOREBRAND ASSET MANAGEMENT AS32.1K$24.8MHeld
Resona Asset Management Co.,Ltd.32K$24.7MHeld
Traynor Capital Management, Inc.31.4K$24.2MHeld
GENERAL AMERICAN INVESTORS CO INC31.4K$24.2MHeld
Marex Group plc31.2K$24.1M$4.29MCut−$20.9M
Simplify Asset Management Inc.31.2K$24MHeld
Orion Investment Co30.8K$23.8MHeld
CenterBook Partners LP30.2K$23.3MHeld
Creative Planning30.1K$23.3MHeld
Nearwater Capital Markets, Ltd30K$23.2MHeld
Catalio Capital Management, LP29.8K$23MHeld
Washington Trust Advisors, Inc.29.4K$22.7MHeld
Catawba River Capital29.3K$22.6MHeld
ARIZONA STATE RETIREMENT SYSTEM29.2K$22.6MHeld
GF FUND MANAGEMENT CO. LTD.29.1K$22.5MHeld
Ceredex Value Advisors LLC28.5K$22MHeld
Distillate Capital Partners LLC28.4K$21.9MHeld
NISSAY ASSET MANAGEMENT CORP /JAPAN28K$21.6MHeld
Quadrature Capital Ltd27.6K$21.3MHeld
Rockefeller Capital Management L.P.27.1K$20.9MHeld
OFI INVEST ASSET MANAGEMENT31.3K$20.5MHeld
Czech National Bank26.6K$20.5MHeld
STATE OF MICHIGAN RETIREMENT SYSTEM26.4K$20.4MHeld
Hudson Bay Capital Management LP26.1K$20.2M$5.48MAdded$1.17M
Illinois Municipal Retirement Fund25.8K$20MHeld
TEACHER RETIREMENT SYSTEM OF TEXAS24.9K$19.2MHeld
FACTORY MUTUAL INSURANCE CO24.8K$19.1MHeld
OPPENHEIMER & CO INC24.8K$19.1MHeld
GW HENSSLER & ASSOCIATES LTD24.4K$18.9M$5.08MAdded$5.25M
MetLife Investment Management, LLC24.2K$18.7MHeld
DDD Partners, LLC24.1K$18.6MHeld
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS23.4K$18.1MHeld
CAPITAL INTERNATIONAL SARL23.3K$18MHeld
Bellecapital International Ltd.23.1K$17.8MHeld
Brandywine Global Investment Management, LLC23.1K$17.8MHeld
FIDEURAM - INTESA SANPAOLO PRIVATE BANKING S.P.A.23K$17.8MHeld
F/m Investments LLC22.8K$17.6MHeld
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC22.4K$17.5MHeld
Raiffeisen Bank International AG22.6K$17.5MHeld
One Capital Management, LLC21.6K$16.7MHeld
NOESIS CAPITAL MANGEMENT CORP21.4K$16.5MHeld
FORSTA AP-FONDEN21.4K$16.5MHeld
CAPTRUST FINANCIAL ADVISORS21.2K$16.3MHeld
Lombard Odier Asset Management (Europe) Ltd21K$16.2MHeld
NISA INVESTMENT ADVISORS, LLC21K$16.2MHeld
MERITAGE PORTFOLIO MANAGEMENT20.6K$15.9MHeld
SCHAPER BENZ & WISE INVESTMENT COUNSEL INC/WI20.5K$15.8MHeld
Brevan Howard Capital Management LP20K$15.4MHeld
MML INVESTORS SERVICES, LLC19.9K$15.3MHeld
China Universal Asset Management Co., Ltd.19.8K$15.2MHeld
FJARDE AP-FONDEN /FOURTH SWEDISH NATIONAL PENSION FUND19.7K$15.2MHeld
UNIVEST FINANCIAL Corp19.4K$15MHeld
USS Investment Management Ltd19.3K$14.9MHeld
Rakuten Investment Management, Inc.19K$14.8MHeld
CIBC WORLD MARKETS CORP19.2K$14.8MHeld
Applied Finance Capital Management, LLC19.1K$14.7MHeld
WOODSTOCK CORP18.6K$14.4MHeld
BRITISH COLUMBIA INVESTMENT MANAGEMENT Corp18.5K$14.3MHeld
GLENMEDE TRUST CO NA18.1K$13.9MHeld
SHELTON CAPITAL MANAGEMENT17.8K$13.8MHeld
Private Advisor Group, LLC17.8K$13.7MHeld

Who left

Positions as of Q4 2025. 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.