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 |
|---|---|---|---|---|---|
| Pinebridge Investments LLC | 286,392 | $18.0M | 0.15% | −28,054−8.9% | Reduced |
| Entropy Technologies, LP | 282,967 | $17.8M | 0.82% | +127,941+82.5% | Added |
| Varma Mutual Pension Insurance Co | 280,181 | $17.6M | 0.10% | 00.0% | Unchanged |
| Capital International Sarl | 279,338 | $17.5M | 0.29% | −136,380−32.8% | Reduced |
| Kempen Capital Management N.V. | 278,441 | $17.5M | 0.15% | +3,876+1.4% | Added |
| Renaissance Group LLC | 276,752 | $17.4M | 0.73% | −17,572−6.0% | Reduced |
| Amalgamated Bank | 275,376 | $17.3M | 0.13% | −5,330−1.9% | Reduced |
| Zurich Insurance Group Ltd | 272,168 | $17.1M | 0.13% | +272,168 | New |
| USS Investment Management Ltd | 269,031 | $16.9M | 0.07% | +11,950+4.6% | Added |
| Chicago Capital, LLC | 268,870 | $16.9M | 0.45% | −321,989−54.5% | Reduced |
| Waycross Partners, LLC | 267,646 | $16.8M | 1.60% | +242,646+970.6% | Added |
| MML Investors Services, LLC | 265,785 | $16.7M | 0.05% | −2,271−0.8% | Reduced |
| O'Shaughnessy Asset Management, LLC | 265,431 | $16.7M | 0.08% | −11,558−4.2% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 265,133 | $16.6M | 0.15% | +26,456+11.1% | Added |
| Mediolanum International Funds Ltd | 262,599 | $16.5M | 0.18% | −88,211−25.1% | Reduced |
| Sirios Capital Management L P | 257,907 | $16.2M | 1.96% | +171,706+199.2% | Added |
| Gradient Investments LLC | 257,268 | $16.1M | 0.25% | +23,007+9.8% | Added |
| Zacks Investment Management | 257,129 | $16.1M | 0.13% | +1,439+0.6% | Added |
| Aureus Asset Management, LLC | 255,363 | $16.0M | 1.07% | +255,363 | New |
| Generate Investment Management Ltd | 254,250 | $16.0M | 0.79% | −94,670−27.1% | Reduced |
| Nisa Investment Advisors, LLC | 251,661 | $15.8M | 0.06% | −121,170−32.5% | Reduced |
| Brookstone Capital Management | 250,231 | $15.7M | 0.18% | +67,034+36.6% | Added |
| ProShare Advisors LLC | 249,935 | $15.7M | 0.02% | −56,234−18.4% | Reduced |
| Utah Retirement Systems | 239,896 | $15.1M | 0.15% | −3,983−1.6% | Reduced |
| Cornerstone Advisors, LLC | 239,655 | $15.0M | 0.55% | +136,419+132.1% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 239,915 | $15.0M | 0.02% | +11,013+4.8% | Added |
| Nomura Holdings Inc | 238,708 | $15.0M | 0.12% | +132,589+124.9% | Added |
| Vinva Investment Management Ltd | 236,846 | $14.9M | 0.19% | +18,943+8.7% | Added |
| LMR Partners LLP | 232,801 | $14.6M | 0.13% | +229,474+6,897.3% | Added |
| Shelton Capital Management | 232,453 | $14.6M | 0.32% | −107,641−31.7% | Reduced |
| Dai-Ichi Life Insurance Company, Ltd | 231,497 | $14.5M | 0.42% | −105,043−31.2% | Reduced |
| PBU - The Pension Fund of Early Childhood & Youth Educators | 231,256 | $14.5M | 0.22% | +55,241+31.4% | Added |
| Union Bancaire Privee, UBP SA | 235,234 | $14.4M | 0.26% | −13,263−5.3% | Reduced |
| Toroso Investments, LLC | 228,269 | $14.3M | 0.04% | +16,536+7.8% | Added |
| Police & Firemen's Retirement System of New Jersey | 227,669 | $14.3M | 0.12% | +2,048+0.9% | Added |
| Ethic Inc. | 227,217 | $14.3M | 0.22% | −12,130−5.1% | Reduced |
| Qsemble Capital Management, LP | 225,867 | $14.2M | 1.08% | +97,901+76.5% | Added |
| Aristotle Atlantic Partners, LLC | 223,520 | $14.0M | 0.66% | +12,480+5.9% | Added |
| Glenview Trust Co | 221,332 | $13.9M | 0.22% | +191,081+631.7% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 221,197 | $13.9M | 0.11% | +10,924+5.2% | Added |
| Rakuten Investment Management, Inc. | 220,066 | $13.8M | 0.03% | +25,081+12.9% | Added |
| NEOS Investment Management LLC | 220,546 | $13.8M | 0.07% | −6,638−2.9% | Reduced |
| New York Life Investment Management LLC | 220,446 | $13.8M | 0.12% | +5,780+2.7% | Added |
| Beese Fulmer Investment Management, Inc. | 219,741 | $13.8M | 0.88% | −2,285−1.0% | Reduced |
| Walleye Trading LLC | 219,385 | $13.8M | 0.28% | +23,928+12.2% | Added |
| Lazard Freres Gestion S.A.S. | 217,486 | $13.6M | 0.27% | +217,486 | New |
| JustInvest LLC | 215,075 | $13.5M | 0.13% | −650−0.3% | Reduced |
| Bailard, Inc. | 213,197 | $13.4M | 0.31% | +11,041+5.5% | Added |
| Ilmarinen Mutual Pension Insurance Co | 213,000 | $13.4M | 0.11% | −50,000−19.0% | Reduced |
| Kestra Advisory Services, LLC | 211,458 | $13.3M | 0.05% | +5,321+2.6% | Added |
| HighTower Advisors, LLC | 209,968 | $13.2M | 0.01% | +37,473+21.7% | Added |
| Dana Investment Advisors, Inc. | 209,345 | $13.1M | 0.39% | +62,808+42.9% | Added |
| AE Wealth Management LLC | 206,603 | $13.0M | 0.07% | +28,720+16.1% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 205,304 | $12.9M | 0.04% | −264,018−56.3% | Reduced |
| Community Trust & Investment Co | 204,452 | $12.8M | 0.70% | +50,514+32.8% | Added |
| Raiffeisen Bank International AG | 203,769 | $12.8M | 0.18% | +107,266+111.2% | Added |
| British Columbia Investment Management Corp | 204,305 | $12.8M | 0.08% | −58,624−22.3% | Reduced |
| Salem Investment Counselors Inc | 201,532 | $12.6M | 0.37% | +5,460+2.8% | Added |
| Elo Mutual Pension Insurance Co | 201,021 | $12.6M | 0.21% | +8,385+4.4% | Added |
| Erste Asset Management GmbH | 197,339 | $12.4M | 0.12% | −134,908−40.6% | Reduced |
| Yousif Capital Management, LLC | 198,030 | $12.4M | 0.15% | −9,460−4.6% | Reduced |
| Heritage Investors Management Corp | 197,162 | $12.4M | 0.38% | +18,957+10.6% | Added |
| Private Wealth Partners, LLC | 197,086 | $12.4M | 0.95% | +862+0.4% | Added |
| Intesa Sanpaolo S.p.A. | 196,910 | $12.4M | 0.77% | +56,412+40.2% | Added |
| Mercer Global Advisors Inc | 195,951 | $12.3M | 0.02% | +92,975+90.3% | Added |
| Truist Financial Corp | 189,953 | $11.9M | 0.02% | −42,008−18.1% | Reduced |
| Nissay Asset Management Corp | 189,576 | $11.9M | 0.06% | +2,724+1.5% | Added |
| Swiss Life Asset Management Ltd | 187,736 | $11.8M | 0.06% | +20,433+12.2% | Added |
| AIA Group Ltd | 186,665 | $11.7M | 0.17% | +28,690+18.2% | Added |
| Sone Capital Management, LLC | 186,094 | $11.7M | 0.98% | −10,939−5.6% | Reduced |
| CI Private Wealth, LLC | 186,603 | $11.6M | 0.02% | −37,951−16.9% | Reduced |
| CWM, LLC | 184,539 | $11.6M | 0.03% | +147,935+404.1% | Added |
| First Trust Advisors LP | 184,386 | $11.6M | 0.01% | +53,332+40.7% | Added |
| Intech Investment Management LLC | 180,430 | $11.3M | 0.11% | +4,185+2.4% | Added |
| Pathstone Holdings, LLC | 180,342 | $11.3M | 0.05% | +4,035+2.3% | Added |
| C WorldWide Group Holding A/S | 180,000 | $11.3M | 0.24% | +180,000 | New |
| Guggenheim Capital LLC | 178,788 | $11.2M | 0.09% | +24,697+16.0% | Added |
| Spence Asset Management | 176,769 | $11.1M | 2.81% | +42,081+31.2% | Added |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 176,421 | $11.1M | 0.39% | +86,386+95.9% | Added |
| Klingenstein Fields & Co LP | 175,672 | $11.0M | 0.43% | +175,672 | New |
| South State Corp. | 175,072 | $11.0M | 0.51% | +6,736+4.0% | Added |
| Avanza Fonder AB | 174,236 | $10.9M | 0.30% | −8,743−4.8% | Reduced |
| Baird Financial Group, Inc. | 172,250 | $10.8M | 0.02% | −98,694−36.4% | Reduced |
| iA Global Asset Management Inc. | 171,827 | $10.8M | 0.15% | −34,356−16.7% | Reduced |
| Brevan Howard Capital Management LP | 171,568 | $10.8M | 0.11% | −29,188−14.5% | Reduced |
| Cadian Capital Management, LP | 170,000 | $10.7M | 1.30% | +170,000 | New |
| Andra AP-fonden | 169,928 | $10.7M | 0.13% | +100,406+144.4% | Added |
| Oregon Public Employees Retirement Fund | 169,832 | $10.7M | 0.14% | +100+0.1% | Added |
| S&CO Inc | 169,791 | $10.7M | 0.66% | −1,090−0.6% | Reduced |
| Evelyn Partners Investment Management LLP | 168,771 | $10.6M | 0.29% | +26,883+18.9% | Added |
| Hardman Johnston Global Advisors LLC | 166,024 | $10.4M | 0.49% | −62,240−27.3% | Reduced |
| QRG Capital Management, Inc. | 163,765 | $10.3M | 0.11% | +1,372+0.8% | Added |
| Warren Averett Asset Management, LLC | 162,989 | $10.2M | 0.08% | +12,801+8.5% | Added |
| One Capital Management, LLC | 161,545 | $10.1M | 0.28% | +30,164+23.0% | Added |
| Blackstone Group Inc. | 160,617 | $10.1M | 0.04% | +138,416+623.5% | Added |
| Levin Capital Strategies, L.P. | 158,940 | $9.97M | 0.76% | +158,940 | New |
| Mutual of America Capital Management LLC | 158,194 | $9.93M | 0.11% | −1,398−0.9% | Reduced |
| Edentree Asset Management Ltd | 156,600 | $9.82M | 2.96% | +95,100+154.6% | Added |
| Pinnacle Financial Partners, Inc. | 156,289 | $9.81M | 0.08% | +26,107+20.1% | Added |
| Gamco Investors, Inc. Et Al | 155,146 | $9.74M | 0.10% | +43,507+39.0% | Added |