Funds holding Boston Scientific Corp
1136 funds declare a position · 258 ETFs and 878 other funds · 30.6B $· 6.5B SEK· 47.1M € · US1011371077
Each line carries its report date.
| Rank | Fund | Shares | Value | Weight | |
|---|---|---|---|---|---|
| 1 | VANGUARD TOTAL STOCK MARKET INDEX FUND VANGUARD INDEX FUNDS | 47,119,505 | 3B $ | 0.15 % | as of Mar 31, 2026 · Original filing |
| 2 | VANGUARD 500 INDEX FUND VANGUARD INDEX FUNDS | 37,686,727 | 2.4B $ | 0.17 % | as of Mar 31, 2026 · Original filing |
| 3 | VANGUARD PRIMECAP FUND VANGUARD CHESTER FUNDS | 21,058,739 | 1.3B $ | 1.83 % | as of Mar 31, 2026 · Original filing |
| 4 | iShares Core S&P 500 ETF iShares Trust | 19,073,730 | 1.2B $ | 0.17 % | as of Mar 31, 2026 · Original filing |
| 5 | Fidelity 500 Index Fund Fidelity Concord Street Trust | 18,865,929 | 1.4B $ | 0.19 % | as of Feb 28, 2026 · Original filing |
| 6 | VANGUARD GROWTH INDEX FUND VANGUARD INDEX FUNDS | 16,357,669 | 1B $ | 0.32 % | as of Mar 31, 2026 · Original filing |
| 7 | VANGUARD HEALTH CARE FUND VANGUARD SPECIALIZED FUNDS | 15,070,438 | 868.2M $ | 2.36 % | as of Apr 30, 2026 · Original filing |
| 8 | State Street(R) Health Care Select Sector SPDR(R) ETF SELECT SECTOR SPDR TRUST | 10,792,113 | 677.2M $ | 1.75 % | as of Mar 31, 2026 · Original filing |
| 9 | VANGUARD INSTITUTIONAL INDEX FUND VANGUARD INSTITUTIONAL INDEX FUNDS | 8,361,895 | 524.7M $ | 0.17 % | as of Mar 31, 2026 · Original filing |
| 10 | Fidelity Contrafund Fidelity Contrafund | 8,045,321 | 504.8M $ | 0.32 % | as of Mar 31, 2026 · Original filing |
| 11 | Growth Fund of America Growth Fund of America | 7,879,799 | 605.6M $ | 0.18 % | as of Feb 28, 2026 · Original filing |
| 12 | Strategic Advisers Fidelity U.S. Total Stock Fund Fidelity Rutland Square Trust II | 6,950,685 | 534.2M $ | 0.24 % | as of Feb 28, 2026 · Original filing |
| 13 | Parnassus Core Equity Fund Parnassus Funds II | 6,156,199 | 386.3M $ | 1.72 % | as of Mar 31, 2026 · Original filing |
| 14 | Putnam Large Cap Value Fund Putnam Large Cap Value Fund | 6,084,819 | 350.5M $ | 0.70 % | as of Apr 30, 2026 · Original filing |
| 15 | Select Medical Technology and Devices Portfolio Fidelity Select Portfolios | 5,850,000 | 449.6M $ | 12.32 % | as of Feb 28, 2026 · Original filing |
| 16 | Janus Henderson Enterprise Fund JANUS INVESTMENT FUND | 5,565,902 | 349.3M $ | 1.71 % | as of Mar 31, 2026 · Original filing |
| 17 | New Perspective Fund New Perspective Fund | 5,324,695 | 334.1M $ | 0.22 % | as of Mar 31, 2026 · Original filing |
| 18 | VANGUARD CAPITAL OPPORTUNITY FUND VANGUARD HORIZON FUNDS | 5,292,766 | 332.1M $ | 1.35 % | as of Mar 31, 2026 · Original filing |
| 19 | Select Health Care Portfolio Fidelity Select Portfolios | 4,850,000 | 372.7M $ | 6.01 % | as of Feb 28, 2026 · Original filing |
| 20 | VANGUARD HEALTH CARE INDEX FUND VANGUARD WORLD FUND | 4,450,848 | 342M $ | 1.69 % | as of Feb 28, 2026 · Original filing |
| 21 | MFS Growth Fund MFS Series Trust II | 3,502,017 | 269.1M $ | 0.67 % | as of Feb 28, 2026 · Original filing |
| 22 | Schwab S&P 500 Index Fund SCHWAB CAPITAL TRUST | 3,284,647 | 189.2M $ | 0.14 % | as of Apr 30, 2026 · Original filing |
| 23 | State Street(R) SPDR(R) Portfolio S&P 500(R) ETF SPDR SERIES TRUST | 3,118,148 | 195.7M $ | 0.17 % | as of Mar 31, 2026 · Original filing |
| 24 | Fidelity Series Large Cap Stock Fund Fidelity Hastings Street Trust | 3,082,395 | 193.4M $ | 0.78 % | as of Mar 31, 2026 · Original filing |
| 25 | Strategic Advisers U.S. Total Stock Fund Fidelity Rutland Square Trust II | 3,076,472 | 236.4M $ | 0.26 % | as of Feb 28, 2026 · Original filing |
| 26 | Edgewood Growth Fund ADVISORS' INNER CIRCLE FUND | 3,044,306 | 191M $ | 3.09 % | as of Mar 31, 2026 · Original filing |
| 27 | VANGUARD PRIMECAP CORE FUND VANGUARD FENWAY FUNDS | 2,863,306 | 179.7M $ | 1.33 % | as of Mar 31, 2026 · Original filing |
| 28 | College Retirement Equities Fund - Growth Account College Retirement Equities Fund | 2,807,386 | 176.2M $ | 0.47 % | as of Mar 31, 2026 · Original filing |
| 29 | iShares Russell 1000 Value ETF iShares Trust | 2,805,972 | 176.1M $ | 0.25 % | as of Mar 31, 2026 · Original filing |
| 30 | Fidelity Total Market Index Fund Fidelity Concord Street Trust | 2,772,400 | 213.1M $ | 0.17 % | as of Feb 28, 2026 · Original filing |
| 31 | College Retirement Equities Fund - Total Global Stock Account College Retirement Equities Fund | 2,681,539 | 168.3M $ | 0.13 % | as of Mar 31, 2026 · Original filing |
| 32 | Fidelity Magellan Fund Fidelity Magellan Fund | 2,660,353 | 166.9M $ | 0.50 % | as of Mar 31, 2026 · Original filing |
| 33 | VANGUARD MEGA CAP GROWTH INDEX FUND VANGUARD WORLD FUND | 2,436,940 | 152.9M $ | 0.55 % | as of Mar 31, 2026 · Original filing |
| 34 | Invesco S&P 500 Equal Weight ETF Invesco Exchange-Traded Fund Trust | 2,423,280 | 139.6M $ | 0.16 % | as of Apr 30, 2026 · Original filing |
| 35 | iShares U.S. Equity Factor Rotation Active ETF BlackRock ETF Trust | 2,403,189 | 138.4M $ | 0.41 % | as of Apr 30, 2026 · Original filing |
| 36 | New Economy Fund New Economy Fund | 2,393,727 | 184M $ | 0.41 % | as of Feb 28, 2026 · Original filing |
| 37 | JPMorgan U.S. Equity Fund JPMorgan Trust I | 2,316,599 | 145.4M $ | 0.46 % | as of Mar 31, 2026 · Original filing |
| 38 | American Funds Fundamental Investors American Funds Fundamental Investors | 2,300,000 | 144.3M $ | 0.09 % | as of Mar 31, 2026 · Original filing |
| 39 | Fidelity Series Total Market Index Fund Fidelity Concord Street Trust | 2,196,127 | 168.8M $ | 0.17 % | as of Feb 28, 2026 · Original filing |
| 40 | AP7 Aktiefond Sjunde AP-fonden | 2,195,452 | 1.3B SEK | 0.10 % | as of Mar 31, 2026 · Original filing |
| 41 | iShares U.S. Medical Devices ETF iShares Trust | 2,163,058 | 135.7M $ | 4.28 % | as of Mar 31, 2026 · Original filing |
| 42 | iShares S&P 500 Growth ETF iShares Trust | 2,088,070 | 131M $ | 0.22 % | as of Mar 31, 2026 · Original filing |
| 43 | Fidelity Balanced Fund Fidelity Puritan Trust | 1,970,931 | 151.5M $ | 0.24 % | as of Feb 28, 2026 · Original filing |
| 44 | Fidelity Advisor Growth Opportunities Fund Fidelity Advisor Series I | 1,959,864 | 150.6M $ | 0.52 % | as of Feb 28, 2026 · Original filing |
| 45 | VIP Contrafund Portfolio Variable Insurance Products Fund II | 1,925,608 | 120.8M $ | 0.46 % | as of Mar 31, 2026 · Original filing |
| 46 | Fidelity Contrafund K6 Fidelity Contrafund | 1,874,099 | 117.6M $ | 0.35 % | as of Mar 31, 2026 · Original filing |
| 47 | iShares Core S&P Total U.S. Stock Market ETF iShares Trust | 1,865,964 | 117.1M $ | 0.15 % | as of Mar 31, 2026 · Original filing |
| 48 | JPMorgan Equity Premium Income ETF J.P. Morgan Exchange-Traded Fund Trust | 1,838,003 | 115.3M $ | 0.26 % | as of Mar 31, 2026 · Original filing |
| 49 | MFS Massachusetts Investors Growth Stock Fund MFS Massachusetts Investors Growth Stock Fund | 1,810,366 | 139.1M $ | 1.41 % | as of Feb 28, 2026 · Original filing |
| 50 | VANGUARD LARGE-CAP INDEX FUND VANGUARD INDEX FUNDS | 1,741,987 | 109.3M $ | 0.17 % | as of Mar 31, 2026 · Original filing |
| 51 | Fidelity U.S. Equity Central Fund Fidelity Central Investment Portfolios LLC | 1,715,000 | 107.6M $ | 0.53 % | as of Mar 31, 2026 · Original filing |
| 52 | T. Rowe Price Health Sciences Fund, Inc. T. ROWE PRICE HEALTH SCIENCES FUND, INC. | 1,603,771 | 100.6M $ | 0.92 % | as of Mar 31, 2026 · Original filing |
| 53 | Fidelity Fund Fidelity Hastings Street Trust | 1,565,100 | 98.2M $ | 1.17 % | as of Mar 31, 2026 · Original filing |
| 54 | College Retirement Equities Fund - Global Equities Account College Retirement Equities Fund | 1,551,438 | 97.4M $ | 0.29 % | as of Mar 31, 2026 · Original filing |
| 55 | Neuberger Long Short Fund NEUBERGER BERMAN ALTERNATIVE FUNDS | 1,544,345 | 89M $ | 1.08 % | as of Apr 30, 2026 · Original filing |
| 56 | Schwab U.S. Large-Cap ETF SCHWAB STRATEGIC TRUST | 1,526,444 | 117.3M $ | 0.18 % | as of Feb 28, 2026 · Original filing |
| 57 | Janus Henderson Global Life Sciences Fund JANUS INVESTMENT FUND | 1,520,117 | 95.4M $ | 1.84 % | as of Mar 31, 2026 · Original filing |
| 58 | Janus Henderson Research Fund JANUS INVESTMENT FUND | 1,514,819 | 95.1M $ | 0.38 % | as of Mar 31, 2026 · Original filing |
| 59 | Fidelity Growth and Income Portfolio Fidelity Securities Fund | 1,478,742 | 85.2M $ | 0.57 % | as of Apr 30, 2026 · Original filing |
| 60 | Invesco S&P 500 Momentum ETF Invesco Exchange-Traded Fund Trust II | 1,446,085 | 111.1M $ | 0.83 % | as of Feb 28, 2026 · Original filing |
| 61 | State Street(R) SPDR(R) Portfolio S&P 500(R) Growth ETF SPDR SERIES TRUST | 1,427,162 | 89.6M $ | 0.22 % | as of Mar 31, 2026 · Original filing |
| 62 | Fidelity Advisor Health Care Fund Fidelity Advisor Series VII | 1,400,000 | 80.7M $ | 2.79 % | as of Apr 30, 2026 · Original filing |
| 63 | VANGUARD GROWTH AND INCOME FUND VANGUARD QUANTITATIVE FUNDS | 1,398,329 | 87.7M $ | 0.53 % | as of Mar 31, 2026 · Original filing |
| 64 | Invesco Global Fund AIM International Mutual Funds (Invesco International Mutual Funds) | 1,397,898 | 80.5M $ | 0.88 % | as of Apr 30, 2026 · Original filing |
| 65 | S&P 500 Index Master Portfolio Master Investment Portfolio | 1,350,485 | 84.7M $ | 0.16 % | as of Mar 31, 2026 · Original filing |
| 66 | JPMorgan Hedged Equity Fund JPMorgan Trust I | 1,316,632 | 82.6M $ | 0.41 % | as of Mar 31, 2026 · Original filing |
| 67 | BlackRock Health Sciences Opportunities Portfolio BlackRock Funds | 1,284,362 | 98.7M $ | 1.51 % | as of Feb 27, 2026 · Original filing |
| 68 | Nuveen Equity Index Fund TIAA-CREF Funds | 1,251,512 | 72.1M $ | 0.12 % | as of Apr 30, 2026 · Original filing |
| 69 | iShares MSCI USA Min Vol Factor ETF iShares Trust | 1,211,127 | 69.8M $ | 0.31 % | as of Apr 30, 2026 · Original filing |
| 70 | VANGUARD TOTAL WORLD STOCK INDEX FUND VANGUARD INTERNATIONAL EQUITY INDEX FUNDS | 1,184,022 | 68.2M $ | 0.08 % | as of Apr 30, 2026 · Original filing |
| 71 | Janus Henderson Balanced Fund JANUS INVESTMENT FUND | 1,173,635 | 73.6M $ | 0.28 % | as of Mar 31, 2026 · Original filing |
| 72 | Fidelity Large Cap Stock Fund Fidelity Concord Street Trust | 1,158,374 | 66.7M $ | 0.66 % | as of Apr 30, 2026 · Original filing |
| 73 | ELFUN TRUSTS ELFUN TRUSTS | 1,148,700 | 72.1M $ | 1.73 % | as of Mar 31, 2026 · Original filing |
| 74 | Fidelity OTC Portfolio Fidelity Securities Fund | 1,123,968 | 64.8M $ | 0.16 % | as of Apr 30, 2026 · Original filing |
| 75 | Bridge Builder Large Cap Growth Fund Bridge Builder Trust | 1,104,337 | 69.3M $ | 0.26 % | as of Mar 31, 2026 · Original filing |
| 76 | Columbia Contrarian Core Fund COLUMBIA FUNDS SERIES TRUST I | 1,101,856 | 84.7M $ | 0.52 % | as of Feb 28, 2026 · Original filing |
| 77 | iShares Russell 1000 ETF iShares Trust | 1,053,015 | 66.1M $ | 0.15 % | as of Mar 31, 2026 · Original filing |
| 78 | iShares Russell 1000 Growth ETF iShares Trust | 1,026,023 | 64.4M $ | 0.06 % | as of Mar 31, 2026 · Original filing |
| 79 | Handelsbanken Hälsovård Tema Handelsbanken Fonder AB | 1,026,000 | 613.3M SEK | 2.76 % | as of Mar 31, 2026 · Original filing |
| 80 | T. Rowe Price Equity Index 500 Fund T. ROWE PRICE INDEX TRUST, INC. | 928,080 | 58.2M $ | 0.17 % | as of Mar 31, 2026 · Original filing |
| 81 | Fidelity Advisor New Insights Fund Fidelity Contrafund | 920,108 | 57.7M $ | 0.25 % | as of Mar 31, 2026 · Original filing |
| 82 | Fidelity Series Stock Selector Large Cap Value Fund Fidelity Devonshire Trust | 911,800 | 52.5M $ | 0.33 % | as of Apr 30, 2026 · Original filing |
| 83 | Large Cap Index Master Portfolio Master Investment Portfolio | 886,180 | 55.6M $ | 0.15 % | as of Mar 31, 2026 · Original filing |
| 84 | ClearBridge Appreciation Fund Legg Mason Partners Investment Trust | 882,587 | 50.8M $ | 0.52 % | as of Apr 30, 2026 · Original filing |
| 85 | Schwab Total Stock Market Index Fund SCHWAB CAPITAL TRUST | 872,989 | 50.3M $ | 0.12 % | as of Apr 30, 2026 · Original filing |
| 86 | Fidelity Leveraged Company Stock Fund Fidelity Securities Fund | 872,900 | 50.3M $ | 1.22 % | as of Apr 30, 2026 · Original filing |
| 87 | Schwab U.S. Broad Market ETF SCHWAB STRATEGIC TRUST | 862,410 | 66.3M $ | 0.17 % | as of Feb 28, 2026 · Original filing |
| 88 | iShares U.S. Thematic Rotation Active ETF BlackRock ETF Trust | 857,532 | 49.4M $ | 0.60 % | as of Apr 30, 2026 · Original filing |
| 89 | THE U.S. LARGE CAP VALUE SERIES DFA INVESTMENT TRUST CO | 848,003 | 48.9M $ | 0.17 % | as of Apr 30, 2026 · Original filing |
| 90 | Nuveen Large Cap Growth Fund TIAA-CREF Funds | 844,924 | 48.7M $ | 0.76 % | as of Apr 30, 2026 · Original filing |
| 91 | iShares S&P 500 Value ETF iShares Trust | 844,424 | 53M $ | 0.11 % | as of Mar 31, 2026 · Original filing |
| 92 | iShares Core S&P U.S. Growth ETF iShares Trust | 842,371 | 52.9M $ | 0.20 % | as of Mar 31, 2026 · Original filing |
| 93 | VANGUARD BALANCED INDEX FUND VANGUARD VALLEY FORGE FUNDS | 835,155 | 52.4M $ | 0.09 % | as of Mar 31, 2026 · Original filing |
| 94 | Nicholas Fund, Inc. Nicholas Fund, Inc. | 833,685 | 48M $ | 1.24 % | as of Apr 30, 2026 · Original filing |
| 95 | Fidelity Blue Chip Growth Fund Fidelity Securities Fund | 826,537 | 47.6M $ | 0.05 % | as of Apr 30, 2026 · Original filing |
| 96 | VIP Health Care Portfolio Variable Insurance Products Fund IV | 810,000 | 50.8M $ | 5.06 % | as of Mar 31, 2026 · Original filing |
| 97 | ClearBridge Value Fund Legg Mason Global Asset Management Trust | 800,000 | 46.1M $ | 1.10 % | as of Apr 30, 2026 · Original filing |
| 98 | Putnam Sustainable Leaders Fund Putnam Sustainable Leaders Fund | 793,900 | 49.8M $ | 0.83 % | as of Mar 31, 2026 · Original filing |
| 99 | Schwab U.S. Large-Cap Value ETF SCHWAB STRATEGIC TRUST | 781,753 | 60.1M $ | 0.38 % | as of Feb 28, 2026 · Original filing |
| 100 | Handelsbanken Global Tema Handelsbanken Fonder AB | 778,000 | 465.1M SEK | 1.19 % | as of Mar 31, 2026 · Original filing |
Institutional managers
1645 managers declare this company to the SEC (Form 13F). These positions are not counted in the totals above: a manager and its own funds file separately.
| Manager | Shares | Value | |
|---|---|---|---|
| BlackRock, Inc. | 131,822,037 | 8.3B $ | as of Mar 31, 2026 |
| FMR LLC | 74,226,395 | 4.7B $ | as of Mar 31, 2026 |
| STATE STREET CORP | 67,986,847 | 4.3B $ | as of Mar 31, 2026 |
| JPMORGAN CHASE & CO | 33,350,157 | 2.1B $ | as of Mar 31, 2026 |
| GEODE CAPITAL MANAGEMENT, LLC | 33,285,757 | 2.1B $ | as of Mar 31, 2026 |
| PRIMECAP MANAGEMENT CO/CA/ | 32,529,774 | 2B $ | as of Mar 31, 2026 |
| D. E. Shaw & Co., Inc. | 24,312,352 | 1.5B $ | as of Mar 31, 2026 |
| BANK OF AMERICA CORP /DE/ | 22,756,646 | 1.4B $ | as of Mar 31, 2026 |
| MORGAN STANLEY | 22,266,664 | 1.4B $ | as of Mar 31, 2026 |
| GOLDMAN SACHS GROUP INC | 18,891,624 | 1.2B $ | as of Mar 31, 2026 |
| WELLINGTON MANAGEMENT GROUP LLP | 18,833,406 | 1.2B $ | as of Mar 31, 2026 |
| JANUS HENDERSON GROUP PLC | 16,497,366 | 1B $ | as of Mar 31, 2026 |
| Capital World Investors | 15,309,738 | 960.7M $ | as of Mar 31, 2026 |
| UBS Group AG | 14,824,662 | 930.2M $ | as of Mar 31, 2026 |
| FRANKLIN RESOURCES INC | 14,498,741 | 909.8M $ | as of Mar 31, 2026 |
| Amundi | 14,122,913 | 886.2M $ | as of Mar 31, 2026 |
| ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 13,891,668 | 871.7M $ | as of Mar 31, 2026 |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 13,513,771 | 848M $ | as of Mar 31, 2026 |
| NORTHERN TRUST CORP | 13,373,881 | 839.2M $ | as of Mar 31, 2026 |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 13,229,644 | 830.2M $ | as of Mar 31, 2026 |
| Nuveen, LLC | 11,734,314 | 736.3M $ | as of Mar 31, 2026 |
| MASSACHUSETTS FINANCIAL SERVICES CO /MA/ | 10,996,572 | 716.9M $ | as of Mar 31, 2026 |
| Legal & General Group Plc | 10,600,766 | 665.2M $ | as of Mar 31, 2026 |
| Assenagon Asset Management S.A. | 10,057,936 | 631.1M $ | as of Mar 31, 2026 |
| Bank of New York Mellon Corp | 9,543,875 | 598.9M $ | as of Mar 31, 2026 |