13F

Stock

Regeneron Pharmaceuticals, Inc.

REGN · held by 1,386 managers

Reported value

$64.7B

Holders

1,386

+108 new · −102 exited

Holders’ est. mark

$222M

Price effect on 237 books still in the name

Largest holder

$6.91B

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.8.95M$6.91B$6.73MAdded$166.3M
VANGUARD CAPITAL MANAGEMENT LLC6.65M$5.14BHeld
State Street4.66M$3.6B$3.59MAdded$6.42M
Dodge & Cox4.46M$3.44B$3.43MCut−$103.2M
JPMORGAN CHASE & CO4.31M$3.23B−$89MAdded$189.5M
FRANKLIN RESOURCES INC2.72M$2.1B$1.97MAdded$127.2M
GEODE CAPITAL MANAGEMENT, LLC2.61M$2.01B$3.85MAdded$71.8M
Nuveen, LLC2.07M$1.6B$1.55MAdded$43.7M
LOOMIS SAYLES & CO L P1.91M$1.48B$1.47MCut−$15.5M
WELLINGTON MANAGEMENT GROUP LLP1.84M$1.42B$511.6KAdded$906.8M
Invesco Ltd.1.72M$1.33B$1.23MAdded$104.3M
VANGUARD PORTFOLIO MANAGEMENT LLC1.72M$1.33BHeld
Fidelity1.52M$1.17B$1.17MCut−$617.4M
Capital World Investors1.42M$1.1B$1.08MAdded$17.3M
MORGAN STANLEY1.32M$1.02B$1.02MCut−$53M
GOLDMAN SACHS GROUP INC1.3M$1B$845KAdded$157.9M
Icahn Capital1.23M$946M−$3.34MAdded$177.5M
BANK OF AMERICA CORP /DE/1.19M$919.1M$891.1KAdded$25.7M
Amundi1.01M$780.2M$609.8KAdded$169M
NORTHERN TRUST CORP941.9K$727.8M$725.3KCut−$1.58M
TWO SIGMA INVESTMENTS, LP812.2K$627.6M$216.5KAdded$410.6M
CHARLES SCHWAB INVESTMENT MANAGEMENT INC804.5K$621.6M$599.1KAdded$21.1M
Bank of New York Mellon Corp765.4K$591.4M$587.7KAdded$1.49M
Legal & General Group Plc732.1K$565.6M$563.7KCut−$7.91M
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC723.6K$559.1M$557.2KCut−$16.1M
DEUTSCHE BANK AG\625.4K$483.2M$481.5KCut−$106.5M
VANGUARD FIDUCIARY TRUST CO569.9K$440.4MHeld
AMERICAN CENTURY COMPANIES INC562.1K$434.3M$425.5KAdded$8.62M
DIMENSIONAL FUND ADVISORS LP513.1K$396.3M$261.4KAdded$10.7M
BNP PARIBAS FINANCIAL MARKETS448.4K$346.4M$339.4KAdded$6.16M
NEUBERGER BERMAN GROUP LLC427.1K$330.1M$375KAdded$4.24M
ALLIANCEBERNSTEIN L.P.426.9K$329.5M$0Cut−$39.7M
MANUFACTURERS LIFE INSURANCE COMPANY, THE408.9K$316M$186.1KCut−$9.31M
National Pension Service371.6K$287.1M$278KAdded$8.44M
ROYAL BANK OF CANADA351.2K$271.3M$265.2KAdded$4.86M
TD Asset Management Inc350.9K$271.1M$270.2KCut−$35.7M
VOYA INVESTMENT MANAGEMENT LLC349.9K$270.1M$244KAdded$43.4M
Robeco Institutional Asset Management B.V.348.8K$269.5M$201.6KAdded$67.4M
FIRST TRUST ADVISORS LP346.9K$268M$158.3KAdded$109.2M
Pictet Asset Management Holding SA337.3K$258.4M−$2.66MCut−$26.4M
Caisse de depot et placement du Quebec329K$254.2M$253.3KCut−$10M
HSBC HOLDINGS PLC323.3K$249.7M$18.2KAdded$3.52M
AMERIPRISE FINANCIAL INC319.7K$247.1M$120KAdded$21.6M
Man Group plc315.2K$243.5M$167.9KAdded$75.2M
BARCLAYS PLC313.1K$241.9M$239.6KAdded$1.73M
FIL Ltd309.5K$239.1M$238.3KCut−$169.3M
Swiss National Bank303.1K$234.2M$219.8KAdded$13.9M
Allianz Asset Management GmbH301.2K$232.7M$129.8KAdded$102.6M
UBS Group AG300K$231.8M$208.8KAdded$22.5M
Bellevue Group AG278.7K$215.3M$10.7KAdded$204.6M
Sumitomo Mitsui Trust Group, Inc.273.7K$211.4M$210.7KCut−$8.56M
BNP PARIBAS ASSET MANAGEMENT Holding S.A.273.1K$211M$190.2MAdded$210.8M
FEDERATED HERMES, INC.254.9K$197M$189.9KAdded$6.62M
Mitsubishi UFJ Asset Management Co., Ltd.240.6K$185.9M−$825.2KAdded$11.3M
Epoch Investment Partners, Inc.238.7K$184.4M$183.8KCut−$32.7M
Vanguard Global Advisers, LLC228.5K$176.5MHeld
Russell Investments Group, Ltd.228.1K$175.7M−$390.7KAdded$5M
California Public Employees Retirement System218.8K$169M$154.8KAdded$13.8M
Swedbank AB215.6K$166.6M$166KCut−$9.24M
JACOBS LEVY EQUITY MANAGEMENT, INC214.2K$165.5M$164.9KCut−$39.1M
JANUS HENDERSON GROUP PLC209.2K$161.6M$83.7KAdded$2.85M
Assenagon Asset Management S.A.207.8K$160.5M$160KCut−$19.5M
MCDONALD CAPITAL INVESTORS INC/CA205.9K$159.1M$158.5KCut−$1.67M
Chevy Chase Trust Holdings, LLC205.8K$159M$154.7KAdded$4.08M
Polar Capital Holdings Plc192.5K$148.8M$148.3KCut−$9.41M
CANADA PENSION PLAN INVESTMENT BOARD187.6K$144.9M$129.6KAdded$15M
Candriam S.C.A.186.4K$144M$137.4KCut−$14.5M
CITIGROUP INC184.7K$142.7M$142.2KCut−$46.7M
VANGUARD ASSET MANAGEMENT, Ltd176.3K$136.2MHeld
Bronte Capital Management Pty Ltd.172.8K$133.5M$133KCut−$2.94M
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP171.6K$132.6M$132.1KCut−$17.7M
RAYMOND JAMES FINANCIAL INC165.5K$127.9M$108KAdded$12.4M
Squarepoint Ops LLC162.8K$125.8M$2.07KAdded$123.7M
RHUMBLINE ADVISERS157.8K$121.9M$121.5KCut−$2.21M
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM154.2K$119.1M$118.7KCut−$3.34M
ProShare Advisors LLC152.4K$117.7M$117.3KCut−$24.5M
SOUND SHORE MANAGEMENT INC /CT/151K$116.6M$116.2KCut−$19.1M
WELLS FARGO & COMPANY/MN142K$109.7M$106.8KAdded$1.63M
PRUDENTIAL FINANCIAL INC140.5K$108.5M$67.1KAdded$41.3M
SOUTHEASTERN ASSET MANAGEMENT INC/TN/130.7K$101M$100.6KCut−$27M
NATIONAL BANK OF CANADA /FI/130K$100.4M$95.8KAdded$7.97M
VICTORY CAPITAL MANAGEMENT INC129.1K$99.7M$86.2KAdded$13.3M
Retirement Systems of Alabama128.3K$99.1M$98.8KAdded$74.1K
Mariner, LLC124K$95.7M$31.7KAdded$22.2M
Aberdeen Group plc121.3K$93.8M$93.4KCut−$31.1M
PRINCIPAL FINANCIAL GROUP INC120.4K$93M$92.1KAdded$710.2K
NEW YORK STATE COMMON RETIREMENT FUND117.4K$90.7M$90.4KAdded$90.4K
JENNISON ASSOCIATES LLC115.2K$89MNew
Universal- Beteiligungs- und Servicegesellschaft mbH109.7K$84.9M$54KAdded$710.8K
ENVESTNET ASSET MANAGEMENT INC109.2K$84.3M$68.4KAdded$15.7M
DANSKE BANK A/S107.2K$82.8M$76.5KAdded$6.19M
PANAGORA ASSET MANAGEMENT INC105.2K$81.3M$36.7KAdded$44.5M
ADAGE CAPITAL PARTNERS GP, L.L.C.103.1K$79.7M$63.5KAdded$16M
Capital Research Global Investors101.9K$78.7M$78.1KCut−$1.04M
WORLDQUANT MILLENNIUM ADVISORS LLC100.7K$77.8M$45.7KAdded$32M
Zurich Insurance Group Ltd/FI99.1K$76.5M$31.4KAdded$45M
BANK OF NOVA SCOTIA97.5K$75.3M$75.1KCut−$17.3M
PARNASSUS INVESTMENTS, LLC97.5K$75.3M$74.3KAdded$808.3K
NORDEA INVESTMENT MANAGEMENT AB94.3K$72.4M−$280.1KCut−$33.4M
PFA Pension, Forsikringsaktieselskab92.9K$71.7M−$120.9KCut−$116.2K
CREDIT AGRICOLE S A92.4K$71.4M$71.2KCut−$12.7M
AVIVA PLC91.2K$70.4M$68.3KAdded$2.03M
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM90K$69.5M$69.3KCut−$2.06M
Zurcher Kantonalbank (Zurich Cantonalbank)88.9K$68.7M$62.6KAdded$5.96M
MACKENZIE FINANCIAL CORP86.3K$66.7M$17.5KAdded$5.87M
SEIZERT CAPITAL PARTNERS, LLC85.7K$66.2M$66KCut−$6.9M
BANK OF MONTREAL /CAN/85.5K$66.1M$65.7KCut−$11.9M
Integral Health Asset Management, LLC85K$65.7M$65.4KCut−$15.4M
Mirae Asset Global Investments Co., Ltd.84.6K$65.4M$59.4KAdded$5.78M
Qube Research & Technologies Ltd83.4K$64.4M$64.2KCut−$45.3M
Gotham Asset Management, LLC82.8K$64M$61.8KAdded$2.05M
PINNACLE ASSOCIATES LTD82.5K$63.8M$63.5KCut−$885.1K
LOS ANGELES CAPITAL MANAGEMENT LLC78.9K$60.9M$9.36MCut−$4.79M
IEQ CAPITAL, LLC78.3K$60.5M$53.3KAdded$7.52M
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND75.5K$58.3M$58.1KCut−$30.2M
SEI INVESTMENTS CO75K$57.9M$47.8KAdded$14.3M
CAPITOLIS LIQUID GLOBAL MARKETS LLC75K$57.9MHeld
Clearbridge Investments, LLC73.8K$57M$47.8KAdded$9.13M
Korea Investment CORP73.1K$56.5M$53.3KAdded$3.01M
Harvest Portfolios Group Inc.72.4K$55.9M$55.7KCut−$7.16M
GROUPAMA ASSET MANAGMENT71.1K$54.9M$54.7KCut−$7K
NEOS Investment Management LLC70.4K$54.4M$47.9KAdded$6.34M
LORING WOLCOTT & COOLIDGE FIDUCIARY ADVISORS LLP/MA72.4K$54.2M−$1.62MCut−$12.8M
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.69.9K$54M$42.7KAdded$585K
Mediolanum International Funds Ltd71.2K$53.4M−$1.12MAdded$18.1M
Cannell & Spears LLC68.9K$53.2M$53.1KCut−$15.8M
Woodline Partners LP67.8K$52.3M$50KAdded$2.2M
GuoLine Advisory Pte Ltd67.3K$52M$51.8KAdded$51.8K
Renaissance Technologies66.8K$51.6M$6.99KAdded$44.6M
CWM, LLC66.4K$51.3M$46.8MAdded$51.3M
LPL Financial LLC64K$49.4M$48.2KAdded$1.11M
MILLENNIUM MANAGEMENT LLC62.7K$48.5M$48.3KCut−$244.7M
HighTower Advisors, LLC58.9K$45.5M$38KAdded$9.96M
KLP KAPITALFORVALTNING AS58.3K$45.1M$39.8KAdded$5.17M
CAMBIAR INVESTORS LLC58.2K$45M$44.8KCut−$1.48M
Baird Financial Group, Inc.57.6K$44.5M$38.4KAdded$6M
Erste Asset Management GmbH57.2K$42.9M−$1.47MAdded$2.39M
Grantham, Mayo, Van Otterloo & Co. LLC55.4K$42.8M$42.6KCut−$1M
NATIXIS55.3K$42.7M$26KAdded$16.6M
STATE OF WISCONSIN INVESTMENT BOARD55.3K$42.7M$42.6KCut−$2.89M
APG Asset Management N.V.63.4K$42.5M$847.5KCut−$4.17M
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.54.5K$42.1M$42.2KCut−$766K
NOMURA ASSET MANAGEMENT CO LTD53.9K$41.7M$41.1KAdded$440.6K
Allspring Global Investments Holdings, LLC52.5K$40.8M$35.3KAdded$11.6M
PUBLIC SECTOR PENSION INVESTMENT BOARD52K$40.2M$9.82KAdded$30.4M
Vanguard Investments Australia, Ltd.51.3K$39.6MHeld
Asset Management One Co., Ltd.50.8K$39.3M−$394KCut−$3.03M
Mitsubishi UFJ Trust & Banking Corp50.8K$39.2M$37.7KAdded$1.38M
STIFEL FINANCIAL CORP48.9K$37.8M$38.5KCut−$1.21M
Quantinno Capital Management LP48.3K$37.3M$29.3KAdded$7.44M
Rhenman & Partners Asset Management AB48.1K$37.2M$37KCut−$10.2M
Citadel47.7K$36.8M$36.7KCut−$75.1M
ARS Investment Partners, LLC45.3K$35M$27.3KAdded$7.62M
Davern Capital Partners, LP44.8K$34.6M$34.5KCut−$5.85M
Cerity Partners LLC44K$34M$26.6KAdded$7.56M
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO43.9K$33.9M$31.7KAdded$2.13M
DNB Asset Management AS43.4K$33.5M$33.4KCut−$2.11M
GUGGENHEIM CAPITAL LLC42.9K$33.2M$33KCut−$1.52M
CIBC Asset Management Inc42.5K$32.9M$32.7KCut−$83K
ATWOOD & PALMER INC41.7K$32.2M$32.2KCut−$56.6K
State of Tennessee, Department of Treasury41.5K$32M$1.25MAdded$2.27M
Sanctuary Advisors, LLC40.6K$31.4M$30KAdded$1.3M
Banco Santander, S.A.40.6K$31.4M$29.1KAdded$2.24M
Creative Planning40.2K$31M$23KAdded$7.76M
TRUIST FINANCIAL CORP40.1K$31M$29.3KAdded$1.32M
Vestal Point Capital, LP40K$30.9MNew
WEDGE CAPITAL MANAGEMENT L L P/NC39.7K$30.7M$30.6KCut−$1.2M
Howland Capital Management LLC39.3K$30.4M$29.2KAdded$1.18M
Tidal Investments LLC39.7K$30.2M−$162.1KAdded$18.3M
LMCG INVESTMENTS, LLC39K$30.1M$30KCut−$619.9K
Bank Julius Baer & Co. Ltd, Zurich39K$30M−$46.5KCut−$1.89M
CAPTRUST FINANCIAL ADVISORS38.5K$29.7M$14.6KAdded$13.4M
TORONTO DOMINION BANK38.4K$29.7M$29.6KCut−$12M
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main38.3K$29.6M$26KCut−$103.7K
Daiwa Securities Group Inc.36.5K$28.2M$23MAdded$28.2M
GRANDFIELD & DODD, LLC36.4K$28.1M$28KCut−$90K
ARMISTICE CAPITAL, LLC36.1K$27.9M$27.8KCut−$36.9M
STOREBRAND ASSET MANAGEMENT AS35.9K$27.8M$24.7KAdded$2.96M
State of New Jersey Common Pension Fund D35.3K$27.3M$27.2KCut−$141.9K
Tamar Securities, LLC35.2K$27.2M$26.9KCut−$4.03M
FIFTH THIRD BANCORP34.9K$27M$11.8KAdded$15.1M
Lansforsakringar Fondforvaltning AB (publ)33.1K$25.6M$25.4KCut−$3.82M
REGIONS FINANCIAL CORP32.8K$25.3M$2.21KAdded$23.1M
Ceredex Value Advisors LLC32.5K$25.1M$22KAdded$3.04M
Connor, Clark & Lunn Investment Management Ltd.32.2K$24.9MNew
Hudson Bay Capital Management LP32K$24.7M$20.1KAdded$4.56M
Resona Asset Management Co.,Ltd.32.1K$24.6M−$157.5KCut−$76.1K
STRS OHIO31.7K$24.5M$24.4KCut−$1.01M
GENERAL AMERICAN INVESTORS CO INC31.4K$24.2M$24.1KAdded$24.1K
ING GROEP NV31.2K$24.1M$24KCut−$19.6M
Orion Investment Co30.8K$23.8M$23.7KAdded$43K
FJARDE AP-FONDEN /FOURTH SWEDISH NATIONAL PENSION FUND30.7K$23.7M$15.1KAdded$8.55M
Freestone Grove Partners LP30.6K$23.7M$23.6KCut−$8.3M
SUSQUEHANNA INTERNATIONAL GROUP, LLP30.6K$23.7M$23.6KCut−$47.7M
Traynor Capital Management, Inc.31.5K$23.6M−$708.1KCut−$630.9K
Tredje AP-fonden29.7K$23M$12.6KAdded$10.4M
Rafferty Asset Management, LLC29.6K$22.9M$22.8KCut−$4.4M
NISSAY ASSET MANAGEMENT CORP /JAPAN28.9K$22.3M$21.6KAdded$672.9K
Vontobel Holding Ltd.28.8K$22.2M$10.4KAdded$11.8M
Washington Trust Advisors, Inc.28.7K$22.2M$22.1KCut−$509.7K
Distillate Capital Partners LLC28.6K$22.1M$21.9KAdded$170.2K
Rockefeller Capital Management L.P.28.5K$22M$20.9KAdded$1.15M
ARIZONA STATE RETIREMENT SYSTEM28.3K$21.9M$21.8KCut−$699.1K
GF FUND MANAGEMENT CO. LTD.28.3K$21.9M$21.8KCut−$618.9K
Czech National Bank27.5K$21.2M$20.5KAdded$698.8K
WEALTH ENHANCEMENT ADVISORY SERVICES, LLC37.6K$21M−$5.04MAdded$3.47M
DDD Partners, LLC26.9K$20.8M$18.5KAdded$2.22M
STATE OF MICHIGAN RETIREMENT SYSTEM26.3K$20.3M$20.3KCut−$56.9K
WestEnd Advisors, LLC25.6K$19.8M$6Added$19.8M
FACTORY MUTUAL INSURANCE CO25.6K$19.8M$19.1KAdded$637.2K
CIBC Bancorp USA Inc.25.3K$19.5MHeld
Illinois Municipal Retirement Fund24.9K$19.2M$19.1KCut−$740.4K
CAPITAL INTERNATIONAL SARL24.6K$19M$17.9KAdded$1.05M
Bellecapital International Ltd.24.3K$18.8M$17.8KAdded$927.2K
GW HENSSLER & ASSOCIATES LTD23.9K$18.5M$18.4KCut−$376.8K
MetLife Investment Management, LLC23.6K$18.2M$18.1KCut−$450.4K
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS23.5K$18.1M$18.1KAdded$48.2K
D. E. Shaw & Co., Inc.22.7K$17.6M$17.5KCut−$102.4M
Bridgewater22.7K$17.6M$17.5KCut−$38.6M
Raiffeisen Bank International AG23.2K$17.4M−$556.2KCut−$76.6K
OPPENHEIMER & CO INC22.5K$17.4M$17.3KCut−$1.77M
One Capital Management, LLC22.4K$17.3M$16.9KAdded$591K
SEB Asset Management AB21.7K$16.8MHeld
TEACHER RETIREMENT SYSTEM OF TEXAS21.5K$16.6M$16.5KCut−$2.65M
NOESIS CAPITAL MANGEMENT CORP21.4K$16.5M$16.5KAdded$11.1K
China Universal Asset Management Co., Ltd.21.4K$16.5M$15.2KAdded$1.26M
IFM Investors Pty Ltd21K$16.3M$16MAdded$16.2M
Rakuten Investment Management, Inc.21.3K$15.9M−$593.1KAdded$1.1M
USS Investment Management Ltd20.2K$15.6M$5.12KAdded$711.9K
MERCER GLOBAL ADVISORS INC /ADV20.1K$15.5M$11.4KAdded$3.81M
WOODSTOCK CORP19.9K$15.3M$14.4KAdded$948.5K
SCHAPER BENZ & WISE INVESTMENT COUNSEL INC/WI19.8K$15.3M$15.3KCut−$505.7K
NISA INVESTMENT ADVISORS, LLC19.8K$15.3M$15.2KCut−$904.1K
NOMURA HOLDINGS INC19.6K$15.1M$15.1KCut−$16.1M
Beacon Pointe Advisors, LLC19.5K$15M$9.33KAdded$5.72M
Vest Financial, LLC19.4K$15MNew
Ensign Peak Advisors, Inc19.1K$14.7M$11.4KAdded$3.26M
Quadrature Capital Ltd18.6K$14.4M$14.3KCut−$6.94M
Swiss Life Asset Management Ltd30.5K$14.1M−$3.33MAdded$5.81M
PNC Financial Services Group, Inc.18.2K$14.1M$14KAdded$683.1K
Varma Mutual Pension Insurance Co18.1K$14M$13.2KAdded$785.8K
GLENMEDE TRUST CO NA18.1K$14M$13.9KAdded$13.1K
XPONANCE LLC18K$13.9M$12KAdded$1.85M
Corient Private Wealth LLC18.1K$13.9M−$82.8KAdded$1.05M
Lombard Odier Asset Management (Europe) Ltd17.9K$13.8M$13.8KCut−$2.4M
SHELTON CAPITAL MANAGEMENT17.5K$13.5M$13.5KCut−$264.4K
F/m Investments LLC17.4K$13.4M$13.4KCut−$4.18M
Private Advisor Group, LLC17.3K$13.4M$13.4KCut−$336.3K
MUFG Securities EMEA plc17.1K$13.2M$3.18KAdded$10M
MML INVESTORS SERVICES, LLC17K$13.1M$13KCut−$2.2M

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.