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 2026
Institutional positions in Boston Scientific Corp as of Jun 30, 2026. 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
- 1,486
- −178 vs. Q1 2026
- Shares held
- 1.33B
- +5.24M (+0.4%) vs. Q1 2026
- Total value
- $57.3B
- −$25.9B (−31.1%) vs. Q1 2026
- New holders
- 147
- 590 more added
- Sold out
- 325
- 621 more reduced
19 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q1 2026: 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 2026
Shares, value and share of portfolio for each institution holding Boston Scientific Corp; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Federation des caisses Desjardins du Quebec | 286,032 | $12.2M | 0.04% | −712,217−71.3% | Reduced |
| Artisan Partners Limited Partnership | 288,246 | $12.3M | 0.02% | +243,862+549.4% | Added |
| NS Partners Ltd | 289,367 | $12.4M | 0.53% | −69,213−19.3% | Reduced |
| Toroso Investments, LLC | 294,851 | $12.6M | 0.03% | +66,582+29.2% | Added |
| Engineers Gate Manager LP | 296,132 | $12.6M | 0.16% | −4,699−1.6% | Reduced |
| Vinva Investment Management Ltd | 292,684 | $12.7M | 0.09% | +55,838+23.6% | Added |
| Senator Investment Group LP | 300,000 | $12.8M | 0.47% | +300,000 | New |
| DG Capital Management, LLC | 300,000 | $12.8M | 4.44% | +300,000 | New |
| Trillium Asset Management, LLC | 303,755 | $13.0M | 0.40% | +7,635+2.6% | Added |
| American Century Companies Inc | 305,390 | $13.0M | 0.01% | −2,312,413−88.3% | Reduced |
| Nomura Asset Management International Inc. | 308,696 | $13.2M | 0.02% | −185,823−37.6% | Reduced |
| Caption Management, LLC | 312,050 | $13.3M | 0.47% | −62,350−16.7% | Reduced |
| La Banque Postale Asset Management SA | 317,075 | $13.5M | 0.14% | −20,260−6.0% | Reduced |
| USS Investment Management Ltd | 318,102 | $13.6M | 0.05% | +49,071+18.2% | Added |
| PensionDanmark Pensionsforsikringsaktieselskab | 320,038 | $13.7M | 0.11% | +28,961+9.9% | Added |
| Bourgeon Capital Management LLC | 322,069 | $13.7M | 2.05% | +322,069 | New |
| Woodline Partners LP | 324,406 | $13.8M | 0.04% | +33,953+11.7% | Added |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 328,295 | $14.0M | 0.07% | −17,164−5.0% | Reduced |
| Fisher Asset Management, LLC | 333,528 | $14.2M | 0.00% | −117,075−26.0% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 333,583 | $14.2M | 0.12% | +68,450+25.8% | Added |
| Varma Mutual Pension Insurance Co | 337,981 | $14.4M | 0.08% | +57,800+20.6% | Added |
| MetLife Investment Management | 339,986 | $14.5M | 0.07% | −17,908−5.0% | Reduced |
| QRG Capital Management, Inc. | 362,716 | $15.5M | 0.13% | +198,951+121.5% | Added |
| ING Groep NV | 364,984 | $15.6M | 0.08% | −73,282−16.7% | Reduced |
| Point72 Asset Management, L.P. | 365,241 | $15.6M | 0.02% | −3,322,074−90.1% | Reduced |
| IFM Investors Pty Ltd | 366,521 | $15.6M | 0.10% | +34,182+10.3% | Added |
| Candriam Luxembourg S.C.A. | 367,485 | $15.7M | 0.07% | −893,976−70.9% | Reduced |
| Ci Investments Inc. | 367,179 | $15.7M | 0.05% | −336,214−47.8% | Reduced |
| Eagle Health Investments LP | 369,164 | $15.8M | 2.61% | +76,012+25.9% | Added |
| Ossiam | 370,643 | $15.8M | 0.21% | +370,643 | New |
| Gotham Asset Management, LLC | 374,708 | $16.0M | 0.04% | −108,270−22.4% | Reduced |
| Entropy Technologies, LP | 375,251 | $16.0M | 0.64% | +92,284+32.6% | Added |
| CIBC Asset Management Inc | 375,602 | $16.0M | 0.04% | +3,976+1.1% | Added |
| Mirae Asset Global Investments Co., Ltd. | 376,348 | $16.1M | 0.03% | +26,829+7.7% | Added |
| State of Michigan Retirement System | 380,608 | $16.2M | 0.07% | −6,800−1.8% | Reduced |
| Colony Group, LLC | 383,366 | $16.4M | 0.02% | −28,126−6.8% | Reduced |
| Border to Coast Pensions Partnership Ltd | 386,715 | $16.5M | 0.24% | 00.0% | Unchanged |
| Ieq Capital, LLC | 387,250 | $16.5M | 0.08% | +74,591+23.9% | Added |
| Rit Capital Partners PLC | 388,000 | $16.6M | 2.67% | +388,000 | New |
| Teachers Retirement System of the State of Kentucky | 392,869 | $16.8M | 0.11% | +277,200+239.6% | Added |
| Occudo Quantitative Strategies LP | 397,122 | $16.9M | 0.90% | +244,084+159.5% | Added |
| Verition Fund Management LLC | 410,164 | $17.5M | 0.12% | +314,789+330.1% | Added |
| Arizona State Retirement System | 412,385 | $17.6M | 0.09% | +6,169+1.5% | Added |
| Sumitomo Mitsui Financial Group, Inc. | 412,532 | $17.6M | 0.34% | +77,768+23.2% | Added |
| Tredje AP-fonden | 412,667 | $17.6M | 0.08% | +16,603+4.2% | Added |
| Czech National Bank | 423,074 | $18.1M | 0.10% | +19,180+4.7% | Added |
| Resona Asset Management Co.,Ltd. | 426,648 | $18.3M | 0.09% | −37,477−8.1% | Reduced |
| US Bancorp | 432,760 | $18.5M | 0.02% | −128,948−23.0% | Reduced |
| Mn Services Vermogensbeheer B.V. | 433,013 | $18.5M | 0.14% | −135,500−23.8% | Reduced |
| Bridgewater Associates, LP | 442,036 | $18.9M | 0.08% | +365,044+474.1% | Added |
| Intesa Sanpaolo S.p.A. | 445,305 | $19.0M | 0.67% | +248,395+126.1% | Added |
| STRS Ohio | 450,236 | $19.2M | 0.07% | −331,763−42.4% | Reduced |
| Rhenman & Partners Asset Management AB | 450,500 | $19.2M | 1.81% | −174,500−27.9% | Reduced |
| Distillate Capital Partners LLC | 450,915 | $19.2M | 1.00% | +450,915 | New |
| Silvercrest Asset Management Group LLC | 461,588 | $19.7M | 0.13% | +395,123+594.5% | Added |
| Cetera Investment Advisers | 462,281 | $19.7M | 0.02% | −11,119−2.3% | Reduced |
| Ofi Invest Asset Management | 529,615 | $19.8M | 0.20% | −9,192−1.7% | Reduced |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 468,170 | $20.0M | 0.10% | +6,800+1.5% | Added |
| Gradient Investments LLC | 468,335 | $20.0M | 0.28% | +211,067+82.0% | Added |
| State of New Jersey Common Pension Fund D | 484,923 | $20.7M | 0.07% | −19,529−3.9% | Reduced |
| United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund | 489,571 | $20.9M | 0.37% | 00.0% | Unchanged |
| Gateway Investment Advisers LLC | 496,912 | $21.2M | 0.21% | −2,626−0.5% | Reduced |
| Nykredit A/S | 502,817 | $21.5M | 0.08% | +502,817 | New |
| ExodusPoint Capital Management, LP | 504,948 | $21.6M | 0.20% | +193,585+62.2% | Added |
| Fiera Capital Corp | 506,284 | $21.6M | 0.08% | +9,861+2.0% | Added |
| Creative Planning | 510,100 | $21.8M | 0.01% | +112,248+28.2% | Added |
| DSM Capital Partners LLC | 511,968 | $21.9M | 0.37% | −52,381−9.3% | Reduced |
| MAI Capital Management | 519,011 | $22.2M | 0.08% | +188,802+57.2% | Added |
| Huntington National Bank | 522,001 | $22.3M | 0.11% | −883,327−62.9% | Reduced |
| Daiwa Securities Group Inc. | 524,385 | $22.4M | 0.05% | +155,034+42.0% | Added |
| Rock Springs Capital Management LP | 528,500 | $22.6M | 1.10% | +13,200+2.6% | Added |
| Mawer Investment Management Ltd. | 530,533 | $22.6M | 0.15% | −59,126−10.0% | Reduced |
| ASR Vermogensbeheer N.V. | 536,832 | $22.9M | 0.24% | +52,978+10.9% | Added |
| Longaeva Partners L.P. | 540,836 | $23.1M | 0.67% | −416,470−43.5% | Reduced |
| Fifth Third Bancorp | 548,462 | $23.4M | 0.04% | +15,576+2.9% | Added |
| Korea Investment CORP | 551,580 | $23.5M | 0.04% | −582,950−51.4% | Reduced |
| RE Advisers Corp | 552,062 | $23.6M | 0.59% | −390,000−41.4% | Reduced |
| State of Tennessee, Treasury Department | 569,895 | $24.3M | 0.07% | −26,050−4.4% | Reduced |
| Associated Banc-Corp | 571,391 | $24.4M | 0.58% | +91,033+19.0% | Added |
| Public Employees Retirement System of Ohio | 571,485 | $24.4M | 0.07% | −33,716−5.6% | Reduced |
| XTX Topco Ltd | 580,370 | $24.8M | 0.32% | +290,700+100.4% | Added |
| Thrivent Financial for Lutherans | 584,563 | $24.9M | 0.04% | −62,399−9.6% | Reduced |
| Braidwell LP | 587,567 | $25.1M | 0.93% | +241,100+69.6% | Added |
| ZWJ Investment Counsel Inc | 590,216 | $25.2M | 0.81% | −113,886−16.2% | Reduced |
| SEI Investments Co | 595,931 | $25.4M | 0.02% | −425,416−41.7% | Reduced |
| Swedbank AB | 612,823 | $26.2M | 0.02% | −646,335−51.3% | Reduced |
| KLP Kapitalforvaltning AS | 615,456 | $26.3M | 0.08% | −21,300−3.3% | Reduced |
| Danica Pension, Livsforsikringsaktieselskab | 620,861 | $26.5M | 0.42% | −349,425−36.0% | Reduced |
| Treasurer of the State of North Carolina | 631,613 | $27.0M | 0.07% | −340−0.1% | Reduced |
| Allspring Global Investments Holdings, LLC | 634,799 | $27.3M | 0.04% | −458,684−41.9% | Reduced |
| M&G Plc | 649,784 | $27.9M | 0.14% | +506,538+353.6% | Added |
| Saudi Central Bank | 642,847 | $28.2M | 0.37% | +49,313+8.3% | Added |
| Calamos Advisors LLC | 677,114 | $28.9M | 0.10% | −140,572−17.2% | Reduced |
| Asset Management One Co.,Ltd. | 677,731 | $28.9M | 0.07% | −100,645−12.9% | Reduced |
| PEAK6 LLC | 683,808 | $29.2M | 0.71% | +657,108+2,461.1% | Added |
| MUFG Securities EMEA plc | 695,043 | $29.7M | 0.31% | +634,258+1,043.4% | Added |
| CIBC Bancorp USA Inc. | 706,276 | $30.2M | 0.04% | −1,235,149−63.6% | Reduced |
| Osterweis Capital Management Inc | 708,949 | $30.3M | 1.43% | +266,757+60.3% | Added |
| Chevy Chase Trust Holdings, Inc. | 717,888 | $30.6M | 0.08% | −15,243−2.1% | Reduced |
| Pictet & Cie (Europe) SA | 717,973 | $30.6M | 0.60% | +76,739+12.0% | Added |