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, Q1 2026
Institutional positions in Boston Scientific Corp as of Mar 31, 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
- 1,683
- −83 vs. Q4 2025
- Shares held
- 1.34B
- +142.6M (+11.9%) vs. Q4 2025
- Total value
- $84.2B
- −$30.0B (−26.2%) vs. Q4 2025
- New holders
- 196
- 678 more added
- Sold out
- 279
- 638 more reduced
28 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.
Compare with Q4 2025: 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, Q1 2026
Shares, value and share of portfolio for each institution holding Boston Scientific Corp; share changes are against Q4 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Royal London Asset Management Ltd | 665,891 | $41.8M | 0.09% | −7,360−1.1% | Reduced |
| Thrivent Financial for Lutherans | 646,962 | $40.6M | 0.08% | +7,842+1.2% | Added |
| Pictet & Cie (Europe) SA | 641,234 | $40.2M | 0.86% | +486,715+315.0% | Added |
| KLP Kapitalforvaltning AS | 636,756 | $40.0M | 0.16% | +26,200+4.3% | Added |
| Tudor Investment Corp Et Al | 632,552 | $39.7M | 0.21% | −100,286−13.7% | Reduced |
| Treasurer of the State of North Carolina | 631,953 | $39.7M | 0.12% | +13,468+2.2% | Added |
| AustralianSuper Pty Ltd | 628,448 | $39.4M | 0.21% | −608,743−49.2% | Reduced |
| Bradley Foster & Sargent Inc | 627,470 | $39.4M | 0.61% | +134,550+27.3% | Added |
| Rhenman & Partners Asset Management AB | 625,000 | $39.2M | 4.84% | +193,793+44.9% | Added |
| Jump Financial, LLC | 618,715 | $38.8M | 0.57% | +169,417+37.7% | Added |
| Public Employees Retirement System of Ohio | 605,201 | $38.0M | 0.12% | −21,255−3.4% | Reduced |
| State of Tennessee, Treasury Department | 595,945 | $37.4M | 0.13% | +120,009+25.2% | Added |
| Saudi Central Bank | 593,534 | $37.2M | 0.79% | +54,106+10.0% | Added |
| E. Ohman J:or Asset Management AB | 593,165 | $37.2M | 0.99% | +28,694+5.1% | Added |
| Mawer Investment Management Ltd. | 589,659 | $37.0M | 0.24% | +543,460+1,176.3% | Added |
| Polen Capital Management LLC | 579,739 | $36.4M | 0.25% | −3,439,813−85.6% | Reduced |
| Quantinno Capital Management LP | 574,482 | $36.0M | 0.06% | −105,556−15.5% | Reduced |
| Mn Services Vermogensbeheer B.V. | 568,513 | $35.7M | 0.24% | −4,400−0.8% | Reduced |
| DSM Capital Partners LLC | 564,349 | $35.4M | 0.63% | +559,625+11,846.4% | Added |
| US Bancorp | 561,708 | $35.2M | 0.04% | +212,029+60.6% | Added |
| Integral Health Asset Management, LLC | 550,000 | $34.5M | 1.83% | +325,000+144.4% | Added |
| MKP Capital Management, L.L.C. | 549,000 | $34.4M | 1.13% | +549,000 | New |
| Natixis | 540,063 | $33.9M | 0.14% | −13,948−2.5% | Reduced |
| Fifth Third Bancorp | 532,886 | $33.4M | 0.06% | +230,377+76.2% | Added |
| DnB Asset Management AS | 527,264 | $33.1M | 0.12% | +152,707+40.8% | Added |
| IMC-Chicago, LLC | 520,435 | $32.7M | 0.49% | +449,345+632.1% | Added |
| Rock Springs Capital Management LP | 515,300 | $32.3M | 1.91% | +116,250+29.1% | Added |
| State of New Jersey Common Pension Fund D | 504,452 | $31.7M | 0.12% | 00.0% | Unchanged |
| Migdal Insurance & Financial Holdings Ltd. | 500,000 | $31.4M | 0.27% | +500,000 | New |
| Gateway Investment Advisers LLC | 499,538 | $31.3M | 0.35% | −81,371−14.0% | Reduced |
| Victory Capital Management Inc | 497,031 | $31.2M | 0.02% | +15,762+3.3% | Added |
| Fiera Capital Corp | 496,423 | $31.2M | 0.11% | +174,940+54.4% | Added |
| Nomura Asset Management International Inc. | 494,519 | $31.0M | 0.05% | −10,768−2.1% | Reduced |
| Aquatic Capital Management LLC | 490,622 | $30.8M | 0.88% | +456,434+1,335.1% | Added |
| United Super Pty Ltd in its capacity as Trustee for the Construction & Building Unions Superannuation Fund | 489,571 | $30.7M | 0.58% | +381,683+353.8% | Added |
| Hudson Bay Capital Management LP | 484,000 | $30.4M | 0.18% | 00.0% | Unchanged |
| ASR Vermogensbeheer N.V. | 483,854 | $30.4M | 0.36% | +6,526+1.4% | Added |
| Gotham Asset Management, LLC | 482,978 | $30.3M | 0.09% | +323,810+203.4% | Added |
| Associated Banc-Corp | 480,358 | $30.1M | 0.80% | +106,526+28.5% | Added |
| Cetera Investment Advisers | 473,400 | $29.7M | 0.03% | +23,257+5.2% | Added |
| Ofi Invest Asset Management | 538,807 | $29.4M | 0.39% | +204,565+61.2% | Added |
| Resona Asset Management Co.,Ltd. | 464,125 | $29.1M | 0.15% | +9,180+2.0% | Added |
| Anchor Capital Advisors LLC | 463,696 | $29.1M | 0.83% | +4,399+1.0% | Added |
| Fjarde Ap-Fonden /Fourth Swedish National Pension Fund | 461,370 | $29.0M | 0.16% | +176,800+62.1% | Added |
| Fisher Asset Management, LLC | 450,603 | $28.3M | 0.01% | −8,687,613−95.1% | Reduced |
| Y-Intercept (Hong Kong) Ltd | 450,271 | $28.3M | 0.54% | +387,819+621.0% | Added |
| Parkman Healthcare Partners LLC | 448,768 | $28.2M | 2.92% | −51,761−10.3% | Reduced |
| Toronto Dominion Bank | 448,198 | $28.1M | 0.05% | −575,853−56.2% | Reduced |
| Osterweis Capital Management Inc | 442,192 | $27.7M | 1.43% | +172,712+64.1% | Added |
| ABN AMRO Bank N.V. | 438,340 | $27.7M | 0.30% | −134,842−23.5% | Reduced |
| ING Groep NV | 438,266 | $27.5M | 0.17% | +292,042+199.7% | Added |
| Teacher Retirement System of Texas | 435,798 | $27.3M | 0.11% | −116,868−21.1% | Reduced |
| DKRT Investments Corp. | 435,000 | $27.3M | 6.92% | +435,000 | New |
| Voya Investment Management LLC | 422,418 | $26.5M | 0.03% | −1,748,264−80.5% | Reduced |
| Colony Group, LLC | 411,492 | $25.9M | 0.03% | −171,753−29.4% | Reduced |
| Arizona State Retirement System | 406,216 | $25.5M | 0.15% | −14,715−3.5% | Reduced |
| Czech National Bank | 403,894 | $25.3M | 0.17% | +12,997+3.3% | Added |
| Atalanta Sosnoff Capital, LLC | 402,714 | $25.3M | 0.54% | −249,281−38.2% | Reduced |
| Creative Planning | 397,852 | $25.0M | 0.02% | +79,480+25.0% | Added |
| Tredje AP-fonden | 396,064 | $24.9M | 0.14% | −750,825−65.5% | Reduced |
| Advisor Group Holdings, Inc. | 393,586 | $24.7M | 0.04% | −35,170−8.2% | Reduced |
| Border to Coast Pensions Partnership Ltd | 386,715 | $24.3M | 0.41% | +386,715 | New |
| State of Michigan Retirement System | 387,408 | $24.3M | 0.13% | −700−0.2% | Reduced |
| Skandinaviska Enskilda Banken AB (publ) | 387,252 | $24.3M | 0.56% | −2,447,803−86.3% | Reduced |
| Trexquant Investment LP | 385,491 | $24.2M | 0.17% | +67,145+21.1% | Added |
| Caption Management, LLC | 374,400 | $23.5M | 1.12% | +283,400+311.4% | Added |
| CIBC Asset Management Inc | 371,626 | $23.3M | 0.06% | +5,659+1.5% | Added |
| FORA Capital, LLC | 370,934 | $23.3M | 1.71% | +359,135+3,043.8% | Added |
| Daiwa Securities Group Inc. | 369,351 | $23.2M | 0.07% | +14,052+4.0% | Added |
| NS Partners Ltd | 358,580 | $22.5M | 1.01% | −676−0.2% | Reduced |
| MetLife Investment Management | 357,894 | $22.5M | 0.11% | −9,647−2.6% | Reduced |
| Mirae Asset Global Investments Co., Ltd. | 349,519 | $21.9M | 0.06% | +28,353+8.8% | Added |
| Groupe la Francaise | 346,901 | $21.9M | 0.31% | −178,527−34.0% | Reduced |
| Braidwell LP | 346,467 | $21.7M | 0.73% | +346,467 | New |
| Commonwealth of Pennsylvania Public School Empls Retrmt Sys | 345,459 | $21.7M | 0.11% | +635+0.2% | Added |
| Cullen/Frost Bankers, Inc. | 339,661 | $21.3M | 0.24% | −13,005−3.7% | Reduced |
| La Banque Postale Asset Management SA | 337,335 | $21.2M | 0.29% | −97,058−22.3% | Reduced |
| Sumitomo Mitsui Financial Group, Inc. | 334,764 | $21.0M | 0.43% | +64,889+24.0% | Added |
| IFM Investors Pty Ltd | 332,339 | $20.9M | 0.17% | +8,151+2.5% | Added |
| Eastern Bank | 331,456 | $20.8M | 0.36% | +50,829+18.1% | Added |
| MAI Capital Management | 330,209 | $20.7M | 0.12% | +168,770+104.5% | Added |
| Whittier Trust Co | 328,226 | $20.5M | 0.23% | +322,161+5,311.8% | Added |
| Oddo BHF Asset Management SAS | 327,138 | $20.5M | 0.81% | −240,766−42.4% | Reduced |
| Gabelli Funds LLC | 325,476 | $20.4M | 0.14% | +4,795+1.5% | Added |
| Retirement Systems of Alabama | 314,932 | $19.8M | 0.07% | −434−0.1% | Reduced |
| Ieq Capital, LLC | 312,659 | $19.6M | 0.09% | +232,814+291.6% | Added |
| LGT Group Foundation | 312,602 | $19.6M | 0.24% | −1,172−0.4% | Reduced |
| Trillium Asset Management, LLC | 296,120 | $19.6M | 0.65% | +135,776+84.7% | Added |
| ExodusPoint Capital Management, LP | 311,363 | $19.5M | 0.19% | +138,963+80.6% | Added |
| BlueSpruce Investments, LP | 306,134 | $19.2M | 3.04% | +306,134 | New |
| Banco Santander, S.A. | 304,049 | $19.1M | 0.15% | +248,992+452.2% | Added |
| Engineers Gate Manager LP | 300,831 | $18.9M | 0.24% | −406,066−57.4% | Reduced |
| Catalio Capital Management, LP | 299,318 | $18.8M | 3.92% | −61,110−17.0% | Reduced |
| Waters Parkerson & Co., LLC | 295,177 | $18.5M | 0.95% | +30,693+11.6% | Added |
| Xponance, Inc. | 294,885 | $18.5M | 0.13% | +31,983+12.2% | Added |
| TD Waterhouse Canada Inc. | 298,238 | $18.5M | 0.05% | +141,363+90.1% | Added |
| Eagle Health Investments LP | 293,152 | $18.4M | 3.86% | +293,152 | New |
| PensionDanmark Pensionsforsikringsaktieselskab | 291,077 | $18.3M | 0.18% | +23,538+8.8% | Added |
| Woodline Partners LP | 290,453 | $18.2M | 0.07% | −489,451−62.8% | Reduced |
| XTX Topco Ltd | 289,670 | $18.2M | 0.32% | +233,385+414.6% | Added |