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 |
|---|---|---|---|---|---|
| Bridgewater Associates, LP | 1,539,799 | $66.8M | 0.37% | −33,071−2.1% | Reduced |
| Adage Capital Partners GP, L.L.C. | 1,519,016 | $65.9M | 0.13% | −221,900−12.7% | Reduced |
| Retirement Systems of Alabama | 1,435,964 | $62.3M | 0.23% | −30,806−2.1% | Reduced |
| Stifel Financial Corp | 1,417,828 | $61.5M | 0.09% | +39,074+2.8% | Added |
| Atalanta Sosnoff Capital, LLC | 1,414,672 | $61.4M | 1.44% | +868,038+158.8% | Added |
| Manufacturers Life Insurance Company, The | 1,362,716 | $59.1M | 0.05% | −422,364−23.7% | Reduced |
| HSBC Holdings PLC | 1,348,803 | $58.9M | 0.07% | −38,393−2.8% | Reduced |
| Inverness Counsel LLC | 1,313,520 | $57.0M | 2.09% | +16,217+1.3% | Added |
| Toronto Dominion Bank | 1,290,249 | $56.0M | 0.09% | +166,530+14.8% | Added |
| RE Advisers Corp | 1,287,226 | $55.9M | 1.36% | +5,100+0.4% | Added |
| Factory Mutual Insurance Co | 1,225,901 | $53.2M | 0.66% | −17,700−1.4% | Reduced |
| BNP Paribas Arbitrage, SA | 1,185,029 | $51.4M | 0.12% | +607,901+105.3% | Added |
| Man Group plc | 1,166,418 | $50.6M | 0.18% | −236,882−16.9% | Reduced |
| Prio Wealth Limited Partnership | 1,152,221 | $50.0M | 1.68% | +16,334+1.4% | Added |
| Nicholas Company, Inc. | 1,121,980 | $48.7M | 0.86% | −700.0% | Reduced |
| Putnam Investments LLC | 1,096,374 | $47.6M | 0.07% | +783,538+250.5% | Added |
| Calamos Advisors LLC | 1,095,127 | $47.5M | 0.22% | −55,354−4.8% | Reduced |
| Point72 Asset Management, L.P. | 1,085,578 | $47.1M | 0.22% | +1,085,578 | New |
| Allianz Asset Management GmbH | 1,075,907 | $46.7M | 0.04% | +70,671+7.0% | Added |
| STRS Ohio | 1,058,654 | $45.9M | 0.17% | −224,479−17.5% | Reduced |
| Great West Life Assurance Co | 1,004,488 | $43.9M | 0.10% | +11,295+1.1% | Added |
| SeaTown Holdings Pte. Ltd. | 1,010,000 | $43.8M | 1.95% | +225,000+28.7% | Added |
| Great Lakes Advisors, LLC | 998,978 | $43.3M | 0.68% | −2,299−0.2% | Reduced |
| State of Tennessee, Treasury Department | 990,085 | $43.0M | 0.17% | −115,687−10.5% | Reduced |
| Aviva PLC | 972,161 | $42.2M | 0.19% | −25,252−2.5% | Reduced |
| Diamond Hill Capital Management Inc | 967,843 | $42.0M | 0.16% | −128,849−11.7% | Reduced |
| Marshall Wace, LLP | 945,858 | $41.0M | 0.20% | −28,943−3.0% | Reduced |
| Russell Investments Group, Ltd. | 915,770 | $39.7M | 0.07% | +502,589+121.6% | Added |
| M&G Investment Management Ltd | 910,636 | $39.2M | 0.19% | +320,833+54.4% | Added |
| Public Employees Retirement System of Ohio | 885,954 | $38.4M | 0.14% | −4,504−0.5% | Reduced |
| Arrowstreet Capital, Limited Partnership | 881,723 | $38.3M | 0.05% | +851,823+2,848.9% | Added |
| Chevy Chase Trust Holdings, Inc. | 877,570 | $38.1M | 0.13% | −31,422−3.5% | Reduced |
| Artemis Investment Management LLP | 864,466 | $37.5M | 0.30% | +20,970+2.5% | Added |
| First Republic Investment Management, Inc. | 835,445 | $36.3M | 0.09% | +76,627+10.1% | Added |
| State of New Jersey Common Pension Fund D | 829,405 | $36.0M | 0.11% | +503+0.1% | Added |
| Hardman Johnston Global Advisors LLC | 797,770 | $34.6M | 0.93% | −4,750−0.6% | Reduced |
| DnB Asset Management AS | 759,873 | $33.0M | 0.21% | +3,437+0.5% | Added |
| Natixis | 758,568 | $32.9M | 0.11% | +336,101+79.6% | Added |
| Tocqueville Asset Management L.P. | 739,626 | $32.1M | 0.48% | −204,920−21.7% | Reduced |
| Mitsubishi UFJ Trust & Banking Corp | 727,894 | $31.6M | 0.07% | −34,653−4.5% | Reduced |
| Storebrand Asset Management AS | 721,845 | $31.3M | 0.15% | +2,990+0.4% | Added |
| Robeco Schweiz AG | 707,036 | $30.7M | 0.44% | +49,071+7.5% | Added |
| Gateway Investment Advisers LLC | 704,243 | $30.6M | 0.32% | −606−0.1% | Reduced |
| Asset Management One Co.,Ltd. | 674,448 | $29.3M | 0.11% | −6,703−1.0% | Reduced |
| Northwestern Mutual Wealth Management Co | 670,979 | $29.1M | 0.05% | +28,738+4.5% | Added |
| Macquarie Group Ltd | 660,314 | $28.7M | 0.02% | −433−0.1% | Reduced |
| Robeco Institutional Asset Management B.V. | 640,119 | $27.8M | 0.06% | +494,655+340.1% | Added |
| American Century Companies Inc | 638,188 | $27.7M | 0.02% | −1540.0% | Reduced |
| First Manhattan Co | 624,992 | $27.1M | 0.10% | 00.0% | Unchanged |
| Treasurer of the State of North Carolina | 619,914 | $26.9M | 0.16% | +1,710+0.3% | Added |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 612,638 | $26.6M | 0.13% | +48,596+8.6% | Added |
| Magnetar Financial LLC | 606,052 | $26.3M | 0.27% | +532,358+722.4% | Added |
| Sector Gamma AS | 602,682 | $26.1M | 5.22% | +166,276+38.1% | Added |
| ZWJ Investment Counsel Inc | 595,192 | $25.8M | 1.46% | +6,913+1.2% | Added |
| Kornitzer Capital Management Inc | 582,125 | $25.3M | 0.39% | −2750.0% | Reduced |
| Natixis Advisors, L.P. | 581,635 | $25.2M | 0.10% | −21,833−3.6% | Reduced |
| Rhenman & Partners Asset Management AB | 570,000 | $24.7M | 1.74% | +50,000+9.6% | Added |
| Westpac Banking Corp | 562,490 | $24.4M | 0.26% | −501−0.1% | Reduced |
| Taurus Asset Management, LLC | 561,547 | $24.4M | 2.54% | −13,716−2.4% | Reduced |
| Teachers Retirement System of the State of Kentucky | 561,534 | $24.4M | 0.23% | −86,500−13.3% | Reduced |
| Nomura Asset Management Co Ltd | 558,897 | $24.3M | 0.14% | −230,337−29.2% | Reduced |
| TD Asset Management Inc | 541,215 | $23.5M | 0.02% | −6,238−1.1% | Reduced |
| Schroder Investment Management Group | 531,214 | $23.0M | 0.04% | +44,276+9.1% | Added |
| AMP Capital Investors Ltd | 529,695 | $23.0M | 0.13% | −105,967−16.7% | Reduced |
| Vontobel Holding Ltd. | 503,246 | $21.8M | 0.19% | −9,440−1.8% | Reduced |
| Osterweis Capital Management Inc | 501,770 | $21.8M | 1.19% | +501,770 | New |
| Iron Triangle Partners LP | 500,000 | $21.7M | 3.11% | +500,000 | New |
| Royal London Asset Management Ltd | 498,517 | $21.6M | 0.09% | −36,218−6.8% | Reduced |
| Victory Capital Management Inc | 489,839 | $21.3M | 0.02% | +78,814+19.2% | Added |
| Voya Investment Management LLC | 487,674 | $21.2M | 0.04% | −13,070−2.6% | Reduced |
| Cullen/Frost Bankers, Inc. | 459,949 | $20.0M | 0.40% | −55,416−10.8% | Reduced |
| Envestnet Asset Management Inc | 458,830 | $19.9M | 0.01% | −265,999−36.7% | Reduced |
| Sirios Capital Management L P | 455,330 | $19.8M | 2.07% | −41,122−8.3% | Reduced |
| MAI Capital Management | 450,276 | $19.5M | 0.38% | +27,153+6.4% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 445,885 | $19.3M | 0.18% | −14,900−3.2% | Reduced |
| Manning & Napier Group, LLC | 444,463 | $19.3M | 0.17% | −2,205−0.5% | Reduced |
| Teacher Retirement System of Texas | 443,115 | $19.2M | 0.10% | +149,183+50.8% | Added |
| DekaBank Deutsche Girozentrale | 437,643 | $19.1M | 0.05% | −109,057−19.9% | Reduced |
| Associated Banc-Corp | 430,244 | $18.7M | 0.74% | +7,555+1.8% | Added |
| Criteria Caixa, S.A.U. | 421,196 | $18.3M | 2.61% | 00.0% | Unchanged |
| Guggenheim Capital LLC | 420,210 | $18.2M | 0.11% | +18,545+4.6% | Added |
| Handelsbanken Fonder AB | 414,359 | $18.0M | 0.09% | +12,738+3.2% | Added |
| American International Group, Inc. | 409,339 | $17.8M | 0.09% | −6,384−1.5% | Reduced |
| 1832 Asset Management L.P. | 399,956 | $17.7M | 0.03% | −31,359−7.3% | Reduced |
| Raymond James Financial Services Advisors, Inc. | 406,773 | $17.6M | 0.04% | +4,963+1.2% | Added |
| Nexus Investment Management ULC | 403,934 | $17.5M | 1.89% | −1410.0% | Reduced |
| Arizona State Retirement System | 396,238 | $17.2M | 0.14% | −817−0.2% | Reduced |
| Amalgamated Bank | 385,115 | $16.7M | 0.14% | −12,980−3.3% | Reduced |
| Ossiam | 379,128 | $16.4M | 0.47% | +115,509+43.8% | Added |
| Samlyn Capital, LLC | 377,682 | $16.4M | 0.24% | −172,062−31.3% | Reduced |
| AQR Capital Management LLC | 375,118 | $16.3M | 0.03% | −101,272−21.3% | Reduced |
| Welch & Forbes LLC | 362,995 | $15.8M | 0.26% | −36,000−9.0% | Reduced |
| Private Wealth Partners, LLC | 361,662 | $15.7M | 1.46% | +2,675+0.7% | Added |
| State of Michigan Retirement System | 357,565 | $15.5M | 0.09% | +400+0.1% | Added |
| NS Partners Ltd | 352,233 | $15.3M | 0.78% | +807+0.2% | Added |
| USS Investment Management Ltd | 341,381 | $14.8M | 0.13% | +226,038+196.0% | Added |
| Private Advisor Group, LLC | 339,855 | $14.7M | 0.09% | +159,448+88.4% | Added |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 339,096 | $14.7M | 0.08% | −20,355−5.7% | Reduced |
| Banque Pictet & Cie SA | 333,399 | $14.5M | 0.15% | −57,698−14.8% | Reduced |
| Gradient Investments LLC | 331,960 | $14.4M | 0.40% | +44,627+15.5% | Added |