Boston Scientific Corp
BSX- Exchange
- NYSE
- Industry
- Surgical & Medical Instruments & Apparatus
- SEC CIK
- 0000885725
In the last 90 days, Boston Scientific Corp insiders filed 5 open-market purchases and 0 sales; 1,486 institutions reported holding it in 13F filings for Q2 2026, worth $57.3B in total; Maverick Capital is the only superinvestor holding it.
13F holders, Q3 2021
Institutional positions in Boston Scientific Corp as of Sep 30, 2021. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works
- Institutional holders
- 884
- +20 vs. Q2 2021
- Shares held
- 1.30B
- +14.5M (+1.1%) vs. Q2 2021
- Total value
- $56.6B
- +$1.44B (+2.6%) vs. Q2 2021
- New holders
- 82
- 344 more added
- Sold out
- 62
- 287 more reduced
9 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q2 2021: new holders, sold out and not filed yet
Holders and value by quarter
Institutions reporting BSX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 1,486 | $57.3B |
| Q1 2026 | 1,683 | $84.2B |
| Q4 2025 | 1,794 | $130.0B |
| Q3 2025 | 1,715 | $131.1B |
| Q2 2025 | 1,694 | $145.4B |
| Q1 2025 | 1,649 | $135.2B |
| Q4 2024 | 1,520 | $119.8B |
| Q3 2024 | 1,403 | $111.0B |
| Q2 2024 | 1,325 | $102.2B |
| Q1 2024 | 1,227 | $90.9B |
| Q4 2023 | 1,151 | $77.3B |
| Q3 2023 | 1,060 | $70.6B |
| Q2 2023 | 1,069 | $71.6B |
| Q1 2023 | 1,000 | $65.7B |
| Q4 2022 | 930 | $60.5B |
| Q3 2022 | 866 | $50.9B |
| Q2 2022 | 882 | $48.6B |
| Q1 2022 | 909 | $57.0B |
| Q4 2021 | 892 | $54.8B |
| Q3 2021 | 884 | $56.6B |
| Q2 2021 | 873 | $55.3B |
| Q1 2021 | 836 | $49.9B |
Institutions, Q3 2021
Shares, value and share of portfolio for each institution holding Boston Scientific Corp; share changes are against Q2 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| 1832 Asset Management L.P. | 399,956 | $17.7M | 0.03% | −31,359−7.3% | Reduced |
| American International Group, Inc. | 409,339 | $17.8M | 0.09% | −6,384−1.5% | Reduced |
| Handelsbanken Fonder AB | 414,359 | $18.0M | 0.09% | +12,738+3.2% | Added |
| Guggenheim Capital LLC | 420,210 | $18.2M | 0.11% | +18,545+4.6% | Added |
| Criteria Caixa, S.A.U. | 421,196 | $18.3M | 2.61% | 00.0% | Unchanged |
| Associated Banc-Corp | 430,244 | $18.7M | 0.74% | +7,555+1.8% | Added |
| DekaBank Deutsche Girozentrale | 437,643 | $19.1M | 0.05% | −109,057−19.9% | Reduced |
| Teacher Retirement System of Texas | 443,115 | $19.2M | 0.10% | +149,183+50.8% | Added |
| Manning & Napier Group, LLC | 444,463 | $19.3M | 0.17% | −2,205−0.5% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 445,885 | $19.3M | 0.18% | −14,900−3.2% | Reduced |
| MAI Capital Management | 450,276 | $19.5M | 0.38% | +27,153+6.4% | Added |
| Sirios Capital Management L P | 455,330 | $19.8M | 2.07% | −41,122−8.3% | Reduced |
| Envestnet Asset Management Inc | 458,830 | $19.9M | 0.01% | −265,999−36.7% | Reduced |
| Cullen/Frost Bankers, Inc. | 459,949 | $20.0M | 0.40% | −55,416−10.8% | Reduced |
| Voya Investment Management LLC | 487,674 | $21.2M | 0.04% | −13,070−2.6% | Reduced |
| Victory Capital Management Inc | 489,839 | $21.3M | 0.02% | +78,814+19.2% | Added |
| Royal London Asset Management Ltd | 498,517 | $21.6M | 0.09% | −36,218−6.8% | Reduced |
| Iron Triangle Partners LP | 500,000 | $21.7M | 3.11% | +500,000 | New |
| Osterweis Capital Management Inc | 501,770 | $21.8M | 1.19% | +501,770 | New |
| Vontobel Holding Ltd. | 503,246 | $21.8M | 0.19% | −9,440−1.8% | Reduced |
| AMP Capital Investors Ltd | 529,695 | $23.0M | 0.13% | −105,967−16.7% | Reduced |
| Schroder Investment Management Group | 531,214 | $23.0M | 0.04% | +44,276+9.1% | Added |
| TD Asset Management Inc | 541,215 | $23.5M | 0.02% | −6,238−1.1% | Reduced |
| Nomura Asset Management Co Ltd | 558,897 | $24.3M | 0.14% | −230,337−29.2% | Reduced |
| Teachers Retirement System of the State of Kentucky | 561,534 | $24.4M | 0.23% | −86,500−13.3% | Reduced |
| Taurus Asset Management, LLC | 561,547 | $24.4M | 2.54% | −13,716−2.4% | Reduced |
| Westpac Banking Corp | 562,490 | $24.4M | 0.26% | −501−0.1% | Reduced |
| Rhenman & Partners Asset Management AB | 570,000 | $24.7M | 1.74% | +50,000+9.6% | Added |
| Natixis Advisors, L.P. | 581,635 | $25.2M | 0.10% | −21,833−3.6% | Reduced |
| Kornitzer Capital Management Inc | 582,125 | $25.3M | 0.39% | −2750.0% | Reduced |
| ZWJ Investment Counsel Inc | 595,192 | $25.8M | 1.46% | +6,913+1.2% | Added |
| Sector Gamma AS | 602,682 | $26.1M | 5.22% | +166,276+38.1% | Added |
| Magnetar Financial LLC | 606,052 | $26.3M | 0.27% | +532,358+722.4% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 612,638 | $26.6M | 0.13% | +48,596+8.6% | Added |
| Treasurer of the State of North Carolina | 619,914 | $26.9M | 0.16% | +1,710+0.3% | Added |
| First Manhattan Co | 624,992 | $27.1M | 0.10% | 00.0% | Unchanged |
| American Century Companies Inc | 638,188 | $27.7M | 0.02% | −1540.0% | Reduced |
| Robeco Institutional Asset Management B.V. | 640,119 | $27.8M | 0.06% | +494,655+340.1% | Added |
| Macquarie Group Ltd | 660,314 | $28.7M | 0.02% | −433−0.1% | Reduced |
| Northwestern Mutual Wealth Management Co | 670,979 | $29.1M | 0.05% | +28,738+4.5% | Added |
| Asset Management One Co.,Ltd. | 674,448 | $29.3M | 0.11% | −6,703−1.0% | Reduced |
| Gateway Investment Advisers LLC | 704,243 | $30.6M | 0.32% | −606−0.1% | Reduced |
| Robeco Schweiz AG | 707,036 | $30.7M | 0.44% | +49,071+7.5% | Added |
| Storebrand Asset Management AS | 721,845 | $31.3M | 0.15% | +2,990+0.4% | Added |
| Mitsubishi UFJ Trust & Banking Corp | 727,894 | $31.6M | 0.07% | −34,653−4.5% | Reduced |
| Tocqueville Asset Management L.P. | 739,626 | $32.1M | 0.48% | −204,920−21.7% | Reduced |
| Natixis | 758,568 | $32.9M | 0.11% | +336,101+79.6% | Added |
| DnB Asset Management AS | 759,873 | $33.0M | 0.21% | +3,437+0.5% | Added |
| Hardman Johnston Global Advisors LLC | 797,770 | $34.6M | 0.93% | −4,750−0.6% | Reduced |
| State of New Jersey Common Pension Fund D | 829,405 | $36.0M | 0.11% | +503+0.1% | Added |
| First Republic Investment Management, Inc. | 835,445 | $36.3M | 0.09% | +76,627+10.1% | Added |
| Artemis Investment Management LLP | 864,466 | $37.5M | 0.30% | +20,970+2.5% | Added |
| Chevy Chase Trust Holdings, Inc. | 877,570 | $38.1M | 0.13% | −31,422−3.5% | Reduced |
| Arrowstreet Capital, Limited Partnership | 881,723 | $38.3M | 0.05% | +851,823+2,848.9% | Added |
| Public Employees Retirement System of Ohio | 885,954 | $38.4M | 0.14% | −4,504−0.5% | Reduced |
| M&G Investment Management Ltd | 910,636 | $39.2M | 0.19% | +320,833+54.4% | Added |
| Russell Investments Group, Ltd. | 915,770 | $39.7M | 0.07% | +502,589+121.6% | Added |
| Marshall Wace, LLP | 945,858 | $41.0M | 0.20% | −28,943−3.0% | Reduced |
| Diamond Hill Capital Management Inc | 967,843 | $42.0M | 0.16% | −128,849−11.7% | Reduced |
| Aviva PLC | 972,161 | $42.2M | 0.19% | −25,252−2.5% | Reduced |
| State of Tennessee, Treasury Department | 990,085 | $43.0M | 0.17% | −115,687−10.5% | Reduced |
| Great Lakes Advisors, LLC | 998,978 | $43.3M | 0.68% | −2,299−0.2% | Reduced |
| SeaTown Holdings Pte. Ltd. | 1,010,000 | $43.8M | 1.95% | +225,000+28.7% | Added |
| Great West Life Assurance Co | 1,004,488 | $43.9M | 0.10% | +11,295+1.1% | Added |
| STRS Ohio | 1,058,654 | $45.9M | 0.17% | −224,479−17.5% | Reduced |
| Allianz Asset Management GmbH | 1,075,907 | $46.7M | 0.04% | +70,671+7.0% | Added |
| Point72 Asset Management, L.P. | 1,085,578 | $47.1M | 0.22% | +1,085,578 | New |
| Calamos Advisors LLC | 1,095,127 | $47.5M | 0.22% | −55,354−4.8% | Reduced |
| Putnam Investments LLC | 1,096,374 | $47.6M | 0.07% | +783,538+250.5% | Added |
| Nicholas Company, Inc. | 1,121,980 | $48.7M | 0.86% | −700.0% | Reduced |
| Prio Wealth Limited Partnership | 1,152,221 | $50.0M | 1.68% | +16,334+1.4% | Added |
| Man Group plc | 1,166,418 | $50.6M | 0.18% | −236,882−16.9% | Reduced |
| BNP Paribas Arbitrage, SA | 1,185,029 | $51.4M | 0.12% | +607,901+105.3% | Added |
| Factory Mutual Insurance Co | 1,225,901 | $53.2M | 0.66% | −17,700−1.4% | Reduced |
| RE Advisers Corp | 1,287,226 | $55.9M | 1.36% | +5,100+0.4% | Added |
| Toronto Dominion Bank | 1,290,249 | $56.0M | 0.09% | +166,530+14.8% | Added |
| Inverness Counsel LLC | 1,313,520 | $57.0M | 2.09% | +16,217+1.3% | Added |
| HSBC Holdings PLC | 1,348,803 | $58.9M | 0.07% | −38,393−2.8% | Reduced |
| Manufacturers Life Insurance Company, The | 1,362,716 | $59.1M | 0.05% | −422,364−23.7% | Reduced |
| Atalanta Sosnoff Capital, LLC | 1,414,672 | $61.4M | 1.44% | +868,038+158.8% | Added |
| Stifel Financial Corp | 1,417,828 | $61.5M | 0.09% | +39,074+2.8% | Added |
| Retirement Systems of Alabama | 1,435,964 | $62.3M | 0.23% | −30,806−2.1% | Reduced |
| Adage Capital Partners GP, L.L.C. | 1,519,016 | $65.9M | 0.13% | −221,900−12.7% | Reduced |
| Bridgewater Associates, LP | 1,539,799 | $66.8M | 0.37% | −33,071−2.1% | Reduced |
| New York State Teachers Retirement System | 1,556,690 | $67.5M | 0.14% | −29,519−1.9% | Reduced |
| Locust Wood Capital Advisers, LLC | 1,561,941 | $67.8M | 4.30% | −148,093−8.7% | Reduced |
| Anchor Capital Advisors LLC | 1,581,571 | $68.6M | 1.42% | −29,269−1.8% | Reduced |
| BNP PARIBAS ASSET MANAGEMENT Holding S.A. | 1,590,652 | $69.0M | 0.26% | +246,918+18.4% | Added |
| State Board of Administration of Florida Retirement System | 1,682,785 | $73.0M | 0.14% | −45,489−2.6% | Reduced |
| HealthCor Management, L.P. | 1,707,681 | $74.1M | 3.22% | +497,111+41.1% | Added |
| Principal Financial Group Inc | 1,709,262 | $74.2M | 0.05% | +888+0.1% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 1,726,028 | $74.9M | 0.41% | +1,359,727+371.2% | Added |
| Ci Investments Inc. | 1,756,873 | $76.2M | 0.28% | −22,814−1.3% | Reduced |
| AXA S.A. | 1,757,866 | $76.3M | 0.21% | +242,976+16.0% | Added |
| Korea Investment CORP | 1,819,507 | $78.9M | 0.24% | −2,105−0.1% | Reduced |
| Ameriprise Financial Inc | 1,829,043 | $79.4M | 0.03% | −252,776−12.1% | Reduced |
| Ensign Peak Advisors, Inc | 1,838,293 | $79.8M | 0.17% | +659,331+55.9% | Added |
| Alliancebernstein L.P. | 1,884,572 | $81.8M | 0.03% | +83,571+4.6% | Added |
| Public Employees Retirement Association of Colorado | 1,919,033 | $83.3M | 0.37% | −37,262−1.9% | Reduced |
| Credit Suisse AG | 1,942,276 | $84.3M | 0.07% | +88,002+4.7% | Added |