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, Q2 2021
Institutional positions in Boston Scientific Corp as of Jun 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
- 873
- +44 vs. Q1 2021
- Shares held
- 1.29B
- −401.8K (0.0%) vs. Q1 2021
- Total value
- $55.3B
- +$5.56B (+11.2%) vs. Q1 2021
- New holders
- 103
- 306 more added
- Sold out
- 59
- 310 more reduced
7 institutions that held it in Q1 2021 haven't filed for Q2 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 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, Q2 2021
Shares, value and share of portfolio for each institution holding Boston Scientific Corp; share changes are against Q1 2021.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Inverness Counsel LLC | 1,297,303 | $55.5M | 2.02% | −45,669−3.4% | Reduced |
| STRS Ohio | 1,283,133 | $54.9M | 0.20% | −26,823−2.0% | Reduced |
| RE Advisers Corp | 1,282,126 | $54.8M | 1.27% | −17,900−1.4% | Reduced |
| Marshall Wace Asia Ltd | 1,270,278 | $54.3M | 1.15% | −194,842−13.3% | Reduced |
| Factory Mutual Insurance Co | 1,243,601 | $53.2M | 0.65% | −34,377−2.7% | Reduced |
| HealthCor Management, L.P. | 1,210,570 | $51.8M | 2.12% | +35,750+3.0% | Added |
| Ensign Peak Advisors, Inc | 1,178,962 | $50.4M | 0.10% | −12,136−1.0% | Reduced |
| Calamos Advisors LLC | 1,150,481 | $49.2M | 0.24% | +139,973+13.9% | Added |
| Prio Wealth Limited Partnership | 1,135,887 | $48.6M | 1.64% | −2340.0% | Reduced |
| Toronto Dominion Bank | 1,123,719 | $48.0M | 0.07% | −73,428−6.1% | Reduced |
| Nicholas Company, Inc. | 1,122,050 | $48.0M | 0.84% | 00.0% | Unchanged |
| State of Tennessee, Treasury Department | 1,105,772 | $47.3M | 0.18% | +334,778+43.4% | Added |
| Diamond Hill Capital Management Inc | 1,096,692 | $46.9M | 0.18% | −108,112−9.0% | Reduced |
| Truist Financial Corp | 1,075,862 | $46.0M | 0.08% | −386,712−26.4% | Reduced |
| Woodline Partners LP | 1,050,527 | $44.9M | 0.84% | +1,050,527 | New |
| Susquehanna International Group, LLP | 1,010,547 | $43.2M | 0.05% | +525,637+108.4% | Added |
| Allianz Asset Management GmbH | 1,005,236 | $43.0M | 0.04% | −137,802−12.1% | Reduced |
| Great Lakes Advisors, LLC | 1,001,277 | $42.8M | 0.65% | +102,748+11.4% | Added |
| Aviva PLC | 997,413 | $42.6M | 0.19% | −16,658−1.6% | Reduced |
| Great West Life Assurance Co | 993,193 | $42.4M | 0.10% | −3580.0% | Reduced |
| Marshall Wace, LLP | 974,801 | $41.7M | 0.22% | +565,427+138.1% | Added |
| Tocqueville Asset Management L.P. | 944,546 | $40.4M | 0.58% | −9,125−1.0% | Reduced |
| Millennium Management LLC | 937,711 | $40.1M | 0.05% | +321,756+52.2% | Added |
| Chevy Chase Trust Holdings, Inc. | 908,992 | $38.9M | 0.13% | −45,471−4.8% | Reduced |
| Public Employees Retirement System of Ohio | 890,458 | $38.1M | 0.13% | −18,285−2.0% | Reduced |
| Artemis Investment Management LLP | 843,496 | $36.1M | 0.31% | +843,496 | New |
| State of New Jersey Common Pension Fund D | 828,902 | $35.4M | 0.12% | −28,232−3.3% | Reduced |
| Hardman Johnston Global Advisors LLC | 802,520 | $34.3M | 0.83% | +19,100+2.4% | Added |
| Rock Springs Capital Management LP | 800,000 | $34.2M | 0.68% | 00.0% | Unchanged |
| Nomura Asset Management Co Ltd | 789,234 | $33.7M | 0.20% | +48,288+6.5% | Added |
| SeaTown Holdings Pte. Ltd. | 785,000 | $33.6M | 1.64% | +785,000 | New |
| Mitsubishi UFJ Trust & Banking Corp | 762,547 | $32.6M | 0.07% | −95,209−11.1% | Reduced |
| First Republic Investment Management, Inc. | 758,818 | $32.4M | 0.08% | +163,266+27.4% | Added |
| DnB Asset Management AS | 756,436 | $32.3M | 0.21% | −94,530−11.1% | Reduced |
| Envestnet Asset Management Inc | 724,829 | $31.0M | 0.02% | −36,602−4.8% | Reduced |
| Storebrand Asset Management AS | 718,855 | $30.7M | 0.15% | −10,929−1.5% | Reduced |
| Gateway Investment Advisers LLC | 704,849 | $30.1M | 0.31% | −96,910−12.1% | Reduced |
| Asset Management One Co.,Ltd. | 681,151 | $29.1M | 0.11% | −21,216−3.0% | Reduced |
| Macquarie Group Ltd | 660,747 | $28.3M | 0.02% | +5,879+0.9% | Added |
| Robeco Schweiz AG | 657,965 | $28.1M | 0.39% | 00.0% | Unchanged |
| Teachers Retirement System of the State of Kentucky | 648,034 | $27.7M | 0.26% | −61,500−8.7% | Reduced |
| Northwestern Mutual Wealth Management Co | 642,241 | $27.5M | 0.05% | +49,955+8.4% | Added |
| American Century Companies Inc | 638,342 | $27.3M | 0.02% | +14,043+2.2% | Added |
| AMP Capital Investors Ltd | 635,662 | $27.2M | 0.13% | −4,571−0.7% | Reduced |
| First Manhattan Co | 624,992 | $26.7M | 0.10% | 00.0% | Unchanged |
| Treasurer of the State of North Carolina | 618,204 | $26.4M | 0.15% | +1,060+0.2% | Added |
| Natixis Advisors, L.P. | 603,468 | $25.8M | 0.12% | +24,588+4.2% | Added |
| M&G Investment Management Ltd | 589,803 | $25.4M | 0.13% | +589,803 | New |
| ZWJ Investment Counsel Inc | 588,279 | $25.2M | 1.45% | +15,232+2.7% | Added |
| TD Asset Management Inc | 547,453 | $25.0M | 0.03% | +23,442+4.5% | Added |
| Kornitzer Capital Management Inc | 582,400 | $24.9M | 0.37% | −2500.0% | Reduced |
| BNP Paribas Arbitrage, SA | 577,128 | $24.7M | 0.05% | +170,731+42.0% | Added |
| Taurus Asset Management, LLC | 575,263 | $24.6M | 2.57% | −100,700−14.9% | Reduced |
| Mitsubishi UFJ Kokusai Asset Management Co., Ltd. | 564,042 | $24.1M | 0.13% | +69,951+14.2% | Added |
| Westpac Banking Corp | 562,991 | $24.1M | 0.24% | +35,294+6.7% | Added |
| Samlyn Capital, LLC | 549,744 | $23.5M | 0.36% | −104,684−16.0% | Reduced |
| DekaBank Deutsche Girozentrale | 546,700 | $23.4M | 0.07% | −28,270−4.9% | Reduced |
| Atalanta Sosnoff Capital, LLC | 546,634 | $23.4M | 0.54% | +29,479+5.7% | Added |
| Royal London Asset Management Ltd | 534,735 | $22.9M | 0.09% | 00.0% | Unchanged |
| Rhenman & Partners Asset Management AB | 520,000 | $22.2M | 1.51% | −150,000−22.4% | Reduced |
| Vontobel Holding Ltd. | 512,686 | $22.2M | 0.19% | −77,576−13.1% | Reduced |
| Cullen/Frost Bankers, Inc. | 515,365 | $22.0M | 0.44% | +8,733+1.7% | Added |
| Voya Investment Management LLC | 500,744 | $21.4M | 0.04% | −28,574−5.4% | Reduced |
| Polar Capital Holdings Plc | 499,836 | $21.4M | 0.12% | +499,836 | New |
| Sirios Capital Management L P | 496,452 | $21.2M | 1.85% | −218,402−30.6% | Reduced |
| Schroder Investment Management Group | 486,938 | $20.8M | 0.03% | +61,265+14.4% | Added |
| Jane Street Group, LLC | 476,628 | $20.4M | 0.05% | −24,405−4.9% | Reduced |
| AQR Capital Management LLC | 476,390 | $20.4M | 0.04% | −307,364−39.2% | Reduced |
| Fifth Third Bancorp | 464,089 | $19.8M | 0.09% | −53,129−10.3% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 460,785 | $19.7M | 0.18% | −30,700−6.2% | Reduced |
| Manning & Napier Group, LLC | 446,668 | $19.1M | 0.16% | −13,931−3.0% | Reduced |
| Sector Gamma AS | 436,406 | $18.7M | 3.31% | +54,870+14.4% | Added |
| 1832 Asset Management L.P. | 431,315 | $18.6M | 0.04% | −1,422−0.3% | Reduced |
| Tiaa, FSB | 430,045 | $18.4M | 0.06% | −104,790−19.6% | Reduced |
| MAI Capital Management | 423,123 | $18.1M | 0.36% | +25,652+6.5% | Added |
| Associated Banc-Corp | 422,689 | $18.1M | 0.72% | −110,389−20.7% | Reduced |
| Natixis | 422,467 | $18.1M | 0.08% | +305,432+261.0% | Added |
| Criteria Caixa, S.A.U. | 421,196 | $18.0M | 2.67% | +31,000+7.9% | Added |
| American International Group, Inc. | 415,723 | $17.8M | 0.07% | −3,563−0.8% | Reduced |
| Russell Investments Group, Ltd. | 413,181 | $17.7M | 0.03% | +12,290+3.1% | Added |
| Victory Capital Management Inc | 411,025 | $17.6M | 0.02% | +2,864+0.7% | Added |
| Nexus Investment Management ULC | 404,075 | $17.3M | 1.79% | +2,600+0.6% | Added |
| Raymond James Financial Services Advisors, Inc. | 401,810 | $17.2M | 0.04% | +2,508+0.6% | Added |
| Guggenheim Capital LLC | 401,665 | $17.2M | 0.10% | −27,006−6.3% | Reduced |
| Handelsbanken Fonder AB | 401,621 | $17.2M | 0.09% | +45,735+12.9% | Added |
| Welch & Forbes LLC | 398,995 | $17.1M | 0.29% | −325−0.1% | Reduced |
| Amalgamated Bank | 398,095 | $17.0M | 0.14% | +320,078+410.3% | Added |
| Arizona State Retirement System | 397,055 | $17.0M | 0.14% | −6,466−1.6% | Reduced |
| Banque Pictet & Cie SA | 391,097 | $16.7M | 0.19% | −22,620−5.5% | Reduced |
| Edgestream Partners, L.P. | 389,463 | $16.7M | 0.98% | +150,714+63.1% | Added |
| Skandinaviska Enskilda Banken AB (publ) | 366,301 | $15.7M | 0.10% | +25,361+7.4% | Added |
| Healthcare of Ontario Pension Plan Trust Fund | 362,535 | $15.5M | 0.03% | 00.0% | Unchanged |
| Zurcher Kantonalbank (Zurich Cantonalbank) | 359,451 | $15.4M | 0.09% | −1,929−0.5% | Reduced |
| Private Wealth Partners, LLC | 358,987 | $15.3M | 1.42% | +798+0.2% | Added |
| Cubist Systematic Strategies, LLC | 358,002 | $15.3M | 0.17% | +233,125+186.7% | Added |
| State of Michigan Retirement System | 357,165 | $15.3M | 0.09% | +1,500+0.4% | Added |
| Pictet & Cie (Europe) SA | 355,132 | $15.2M | 0.53% | −310,329−46.6% | Reduced |
| NS Partners Ltd | 351,426 | $15.0M | 0.79% | −21,709−5.8% | Reduced |
| Schonfeld Strategic Advisors LLC | 334,800 | $14.3M | 0.16% | −308,967−48.0% | Reduced |
| Gulf International Bank (UK) Ltd | 330,879 | $14.1M | 0.18% | −1,100−0.3% | Reduced |