13F

Stock

Boston Scientific Corp

BSX · held by 1,777 managers

Reported value

$124.3B

Holders

1,777

+12 new · −5 exited

Holders’ est. mark

−$69.2M

Price effect on 13 books still in the name

Largest holder

$13.3B

Vanguard

Notable conviction

Share of each notable manager’s 13F book.

Holder count by quarter

Who holds it

Notable only
InvestorSharesValueEst. markChange
Vanguard139.7M$13.3B—Held
BlackRock, Inc.136M$13B—Held
Fidelity97.4M$9.29B—Held
State Street65.8M$6.28B—Held
GEODE CAPITAL MANAGEMENT, LLC32.4M$3.07B—Held
PRIMECAP MANAGEMENT CO/CA/31.1M$2.97B—Held
Capital World Investors27.2M$2.59B—Held
JPMORGAN CHASE & CO25.4M$2.42B—Held
BANK OF AMERICA CORP /DE/25.1M$2.39B−$57.3MCut−$911.9M
NORGES BANK23.1M$2.2B−$110.4MAdded$184.9M
MORGAN STANLEY23M$2.19B−$47.2MAdded$167M
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main18.5M$1.77B$214.2MCut−$55.5M
GOLDMAN SACHS GROUP INC16.6M$1.58B—Held
UBS Group AG14.9M$1.42B—Held
NORTHERN TRUST CORP13.9M$1.33B—Held
Invesco Ltd.13.3M$1.27B—Held
JANUS HENDERSON GROUP PLC12.6M$1.2B—Held
Amundi12.4M$1.18B—Held
D. E. Shaw & Co., Inc.11.2M$1.07B—Held
Bank of New York Mellon Corp11.2M$1.07B—Held
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP11M$1.05B—Held
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC10.9M$1.04B—Held
Legal & General Group Plc10.9M$1.04B—Held
MILLENNIUM MANAGEMENT LLC11.3M$1.03B—Held
WELLINGTON MANAGEMENT GROUP LLP9.71M$925.8M—Held
Nuveen, LLC9.37M$893.6M—Held
Fisher Asset Management, LLC9.14M$871.3M—Held
MASSACHUSETTS FINANCIAL SERVICES CO /MA/9.09M$866.3M—Held
CHARLES SCHWAB INVESTMENT MANAGEMENT INC8.95M$853M—Held
SCHRODER INVESTMENT MANAGEMENT GROUP8.35M$796.1M—Held
PARNASSUS INVESTMENTS, LLC7.9M$753.2M—Held
EDGEWOOD MANAGEMENT LLC7.8M$744M—Held
FARALLON CAPITAL MANAGEMENT LLC7.44M$709.4M−$10.8MAdded$246M
Capital Research Global Investors7.08M$675.5M—Held
CANADA PENSION PLAN INVESTMENT BOARD6.86M$654.3M—Held
DEUTSCHE BANK AG\6.75M$643.4M—Held
AMERIPRISE FINANCIAL INC6.43M$613.2M—Held
TWO SIGMA ADVISERS, LP6.3M$600.6M—Held
DIMENSIONAL FUND ADVISORS LP5.74M$546.9M—Held
FRANKLIN RESOURCES INC5.68M$541.2M—Held
ROYAL BANK OF CANADA5.55M$529.3M—Held
Qube Research & Technologies Ltd5.51M$525M—Held
JENNISON ASSOCIATES LLC5.47M$521.4M—Held
Ninety One UK Ltd5.44M$519.1M—Held
Egerton Capital (UK) LLP5.39M$513.5M—Held
Citadel4.78M$455.4M—Held
FIL Ltd4.76M$453.7M—Held
AMERICAN CENTURY COMPANIES INC4.6M$438.8M—Held
Holocene Advisors, LP4.47M$426.3M—Held
Man Group plc4.39M$418.8M—Held
BARCLAYS PLC4.36M$415.8M−$9.94MCut−$25.5M
Assenagon Asset Management S.A.4.31M$410.6M—Held
Pictet Asset Management Holding SA4.3M$410M—Held
WELLS FARGO & COMPANY/MN4.14M$394.5M—Held
Swiss National Bank4.06M$387.2M—Held
POLEN CAPITAL MANAGEMENT LLC4.02M$383.3M—Held
NEUBERGER BERMAN GROUP LLC4.01M$382.4M—Held
LAZARD ASSET MANAGEMENT LLC3.91M$372.8M—Held
JANE STREET GROUP, LLC3.79M$361.7M—Held
Vontobel Holding Ltd.3.76M$358.9M—Held
National Pension Service3.76M$358.7M—Held
HSBC HOLDINGS PLC3.61M$344.7M—Held
RAYMOND JAMES FINANCIAL INC3.53M$336.9M—Held
Sumitomo Mitsui Trust Group, Inc.3.46M$329.7M—Held
Swedbank AB3.43M$327M—Held
WORLDQUANT MILLENNIUM ADVISORS LLC3.39M$323M—Held
BNP PARIBAS FINANCIAL MARKETS3.29M$314.1M—Held
Mitsubishi UFJ Asset Management Co., Ltd.3.11M$294.6M—Held
Squarepoint Ops LLC3.04M$289.4M—Held
California Public Employees Retirement System3.01M$287.2M—Held
Robeco Institutional Asset Management B.V.2.99M$285.4M—Held
MARSHALL WACE, LLP2.96M$282M—Held
MAVERICK CAPITAL LTD2.94M$280.7M—Held
Skandinaviska Enskilda Banken AB (publ)2.84M$270.3M—Held
ALLIANCEBERNSTEIN L.P.2.8M$267M—Held
Rathbones Group PLC2.76M$263.1M—Held
Alecta Tjanstepension Omsesidigt2.74M$261.6M−$6.17MCut−$6.17M
RHUMBLINE ADVISERS2.7M$257.2M—Held
Alphinity Investment Management Pty Ltd2.65M$252.9M—Held
Aberdeen Group plc2.64M$252.1M—Held
ENVESTNET ASSET MANAGEMENT INC2.61M$248.6M—Held
Artisan Partners Limited Partnership2.57M$245M—Held
SurgoCap Partners LP2.56M$244M—Held
Viking Global2.51M$239.3M—Held
Balyasny Asset Management L.P.2.48M$236.6M—Held
TWO SIGMA INVESTMENTS, LP2.47M$235.6M—Held
Point72 Asset Management, L.P.2.43M$232.1M—Held
ORBIMED ADVISORS LLC2.42M$230.7M—Held
Renaissance Technologies2.38M$227.2M—Held
CALIFORNIA STATE TEACHERS RETIREMENT SYSTEM2.36M$224.8M—Held
SEI INVESTMENTS CO2.21M$210.5M—Held
1832 Asset Management L.P.2.2M$209.9M—Held
Unisphere Establishment2.18M$207.5M—Held
CREDIT AGRICOLE S A2.17M$207.3M—Held
VOYA INVESTMENT MANAGEMENT LLC2.17M$207M—Held
Allspring Global Investments Holdings, LLC2.17M$205.8M—Held
Employees Provident Fund Board2.13M$203.5M−$4.87MCut−$4.87M
STIFEL FINANCIAL CORP2.11M$201.6M—Held
ADAGE CAPITAL PARTNERS GP, L.L.C.2.08M$198.6M—Held
Temasek Holdings (Private) Ltd2.08M$198.5M—Held
MACKENZIE FINANCIAL CORP2.07M$198.1M—Held
Walleye Capital LLC2.04M$194.6M—Held
BANK OF MONTREAL /CAN/2.04M$194.5M—Held
Allianz Asset Management GmbH2M$190.7M—Held
Danica Pension, Livsforsikringsaktieselskab1.99M$190.2M−$20.6MAdded$6.95M
BANK OF NOVA SCOTIA1.99M$190.1M—Held
Russell Investments Group, Ltd.1.95M$185.7M—Held
FIRST MANHATTAN CO. LLC.1.88M$179.4M—Held
TD Asset Management Inc1.87M$177.9M—Held
NEW YORK STATE COMMON RETIREMENT FUND1.81M$172.5M—Held
VOLORIDGE INVESTMENT MANAGEMENT, LLC1.8M$172M—Held
GREAT LAKES ADVISORS, LLC1.78M$169.4M—Held
Zurcher Kantonalbank (Zurich Cantonalbank)1.73M$165M—Held
Impax Asset Management Group plc1.72M$164.4M—Held
LPL Financial LLC1.71M$162.7M—Held
AGF MANAGEMENT LTD1.69M$160.9M—Held
FEDERATED HERMES, INC.1.68M$159.9M—Held
PRINCIPAL FINANCIAL GROUP INC1.67M$159.4M—Held
CONGRESS ASSET MANAGEMENT CO1.65M$157.3M—Held
AXIOM INVESTORS LLC /DE1.64M$156.5M—Held
Ilex Capital Partners (UK) LLP1.6M$152.6M—Held
PRUDENTIAL FINANCIAL INC1.58M$151.1M—Held
Ensign Peak Advisors, Inc1.58M$150.4M—Held
Bellevue Group AG1.56M$148.7M—Held
PANAGORA ASSET MANAGEMENT INC1.49M$142M—Held
AVIVA PLC1.49M$141.7M—Held
Caisse de depot et placement du Quebec1.45M$137.9M—Held
TCW GROUP INC1.43M$136.3M—Held
HUNTINGTON NATIONAL BANK1.43M$136.2M—Held
STOREBRAND ASSET MANAGEMENT AS1.42M$135.5M—Held
Korea Investment CORP1.42M$135.3M—Held
PUBLIC SECTOR PENSION INVESTMENT BOARD1.42M$135M—Held
Universal- Beteiligungs- und Servicegesellschaft mbH1.38M$131.8M—Held
Mirova US LLC1.37M$130.6M—Held
GROUPAMA ASSET MANAGMENT1.37M$130.3M−$3.04MAdded$244.3K
CITIGROUP INC1.36M$129.3M—Held
Freestone Grove Partners LP1.33M$126.6M—Held
Eurizon Capital SGR S.p.A.1.3M$123.9M—Held
STATE BOARD OF ADMINISTRATION OF FLORIDA RETIREMENT SYSTEM1.29M$122.9M—Held
NATIONAL BANK OF CANADA /FI/1.28M$121.7M—Held
Cerity Partners LLC1.27M$120.7M—Held
Munro Partners1.26M$119.8M—Held
AustralianSuper Pty Ltd1.24M$118M—Held
CI INVESTMENTS INC.1.22M$116.4M—Held
Banque Transatlantique SA1.21M$115.5M—Held
PNC Financial Services Group, Inc.1.19M$113.3M—Held
CAPITAL FUND MANAGEMENT S.A.1.15M$109.8M—Held
Tredje AP-fonden1.15M$109.4M—Held
Candriam S.C.A.1.13M$107.7M—Held
Icahn Capital1.1M$104.7M—Held
FRED ALGER MANAGEMENT, LLC1.1M$104.6M—Held
CIBC Private Wealth Group LLC1.1M$104.5M—Held
GILDER GAGNON HOWE & CO LLC1.08M$102.7M—Held
MANUFACTURERS LIFE INSURANCE COMPANY, THE1.03M$98.2M—Held
TORONTO DOMINION BANK1.02M$97.6M—Held
PERCEPTIVE ADVISORS LLC979K$93.3M—Held
AMF Tjanstepension AB953K$90.9M—Held
PFA Pension, Forsikringsaktieselskab926.4K$88.9M—Held
NOMURA ASSET MANAGEMENT CO LTD906.9K$86.5M—Held
STRS OHIO891.5K$85M—Held
Asset Management One Co., Ltd.879.1K$84.1M—Held
Calamos Advisors LLC871.7K$83.1M—Held
DANSKE BANK A/S865.1K$82.5M−$10.4MCut−$34.3M
APG Asset Management N.V.989.6K$80.3M—Held
Connor, Clark & Lunn Investment Management Ltd.818.9K$78.1M—Held
MILFORD FUNDS LTD815.3K$77.7M—Held
SANDS CAPITAL MANAGEMENT, LLC805.2K$76.8M—Held
Lansforsakringar Fondforvaltning AB (publ)791.2K$75.4M—Held
Woodline Partners LP779.9K$74.4M—Held
STATE OF WISCONSIN INVESTMENT BOARD767.9K$73.2M—Held
UniSuper Management Pty Ltd760.7K$72.5M—Held
Chevy Chase Trust Holdings, LLC752.1K$71.7M—Held
Mitsubishi UFJ Trust & Banking Corp747.1K$71.2M—Held
NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO735.9K$70.2M—Held
Clearbridge Investments, LLC733.2K$69.9M—Held
TUDOR INVESTMENT CORP ET AL732.8K$69.9M−$1.51MAdded$5.42M
Engineers Gate Manager LP706.9K$67.4M—Held
ABN AMRO INVESTMENT SOLUTIONS687K$65.5M—Held
Quantinno Capital Management LP680K$64.8M—Held
ROYAL LONDON ASSET MANAGEMENT LTD673.3K$64.2M—Held
Federation des caisses Desjardins du Quebec660.5K$63M—Held
ATALANTA SOSNOFF CAPITAL, LLC652K$62.2M—Held
NICHOLAS COMPANY, INC.627.2K$59.8M—Held
PUBLIC EMPLOYEES RETIREMENT SYSTEM OF OHIO626.5K$59.7M—Held
KLP KAPITALFORVALTNING AS610.6K$58.2M—Held
Meridiem Capital Partners LP608.8K$58M—Held
Schonfeld Strategic Advisors LLC599.3K$57.1M—Held
Fullerton Fund Management Co Ltd.598.2K$57M—Held
Harvest Portfolios Group Inc.597.3K$57M—Held
Rockefeller Capital Management L.P.595.9K$56.8M—Held
Chicago Capital, LLC590.9K$56.3M—Held
COMPASS CAPITAL MANAGEMENT, INC584.1K$55.7M—Held
Focus Partners Wealth583.2K$55.6M—Held
GATEWAY INVESTMENT ADVISERS LLC580.9K$55.4M—Held
HEALTHCARE OF ONTARIO PENSION PLAN TRUST FUND578.6K$55.2M—Held
ABN AMRO Bank N.V.573.2K$54.6M—Held
ZWJ INVESTMENT COUNSEL INC571K$54.4M—Held
ODDO BHF ASSET MANAGEMENT SAS567.9K$54.1M—Held
E. Ohman J:or Asset Management AB564.5K$53.8M—Held
SUSQUEHANNA INTERNATIONAL GROUP, LLP556K$53M—Held
NATIXIS554K$52.8M—Held
TEACHER RETIREMENT SYSTEM OF TEXAS552.7K$52.7M—Held
Homestead Advisers Corp547.1K$52.2M—Held
Saudi Central Bank539.4K$51.4M—Held
BSN CAPITAL PARTNERS Ltd500K$50.1M—Held
Groupe la Francaise525.4K$49.9M—Held
Tri Locum Partners LP520.5K$49.6M—Held
CIBC WORLD MARKETS CORP506.2K$48.3M—Held
NOMURA ASSET MANAGEMENT INTERNATIONAL INC.505.3K$48.2M—Held
State of New Jersey Common Pension Fund D504.5K$48.1M—Held
Parkman Healthcare Partners LLC500.5K$47.7M—Held
BRADLEY FOSTER & SARGENT INC/CT492.9K$47M—Held
Hudson Bay Capital Management LP484K$46.1M−$1.1MCut−$1.29M
VICTORY CAPITAL MANAGEMENT INC481.3K$45.9M—Held
ASR Vermogensbeheer N.V.477.3K$45.5M—Held
Bank Julius Baer & Co. Ltd, Zurich469.3K$44.8M—Held
State of Tennessee, Department of Treasury475.9K$44.5M—Held
LOS ANGELES CAPITAL MANAGEMENT LLC436.2K$43.9M—Held
ANCHOR CAPITAL ADVISORS LLC459.3K$43.8M—Held
Resona Asset Management Co.,Ltd.454.9K$43.4M—Held
Cetera Investment Advisers450.1K$42.9M—Held
Jump Financial, LLC449.3K$42.8M—Held
TOCQUEVILLE ASSET MANAGEMENT L.P.443.7K$42.3M—Held
LBP AM SA434.4K$41.4M—Held
Mariner, LLC431.2K$41.1M—Held
Rhenman & Partners Asset Management AB431.2K$41.1M—Held
OSAIC HOLDINGS, INC.428.8K$40.9M—Held
ARIZONA STATE RETIREMENT SYSTEM420.9K$40.1M—Held
Iron Triangle Partners LP420.8K$40.1M—Held
CAPITAL INTERNATIONAL SARL415.7K$39.6M—Held
Rock Springs Capital Management LP399.1K$38M—Held
Czech National Bank390.9K$37.3M—Held
STATE OF MICHIGAN RETIREMENT SYSTEM388.1K$37M—Held
FORSTA AP-FONDEN375.2K$35.8M—Held
DNB Asset Management AS374.6K$35.7M—Held
Associated Banc-Corp373.8K$35.6M—Held
NISA INVESTMENT ADVISORS, LLC372.8K$35.5M—Held
Fisher Funds Management LTD370.6K$35.5M—Held
PICTON MAHONEY ASSET MANAGEMENT369.9K$35.3M—Held
MetLife Investment Management, LLC367.5K$35M—Held
CIBC Asset Management Inc366K$34.9M—Held
Catalio Capital Management, LP360.4K$34.4M—Held
NS Partners Ltd359.3K$34.3M—Held
SUVRETTA CAPITAL MANAGEMENT, LLC353.6K$33.7M—Held
Mediolanum International Funds Ltd350.8K$33.7M—Held
Cullen/Frost Bankers, Inc.352.7K$33.6M—Held
US BANCORP \DE\349.7K$33.3M—Held
Generate Investment Management Ltd348.9K$33.3M—Held
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCHOOL EMPLS RETRMT SYS344.8K$32.9M—Held
SHELTON CAPITAL MANAGEMENT340.1K$32.4M—Held

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.