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; 1,487 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
- −82 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
- 278
- 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 | 1,487 | $57.3B |
| Q1 2026 | 1,683 | $84.2B |
| Q4 2025 | 1,793 | $130.0B |
| Q3 2025 | 1,714 | $131.1B |
| Q2 2025 | 1,693 | $145.4B |
| Q1 2025 | 1,648 | $135.2B |
| Q4 2024 | 1,519 | $119.8B |
| Q3 2024 | 1,402 | $111.0B |
| Q2 2024 | 1,324 | $102.2B |
| Q1 2024 | 1,226 | $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 |
|---|---|---|---|---|---|
| Baird Financial Group, Inc. | 172,250 | $10.8M | 0.02% | −98,694−36.4% | Reduced |
| Avanza Fonder AB | 174,236 | $10.9M | 0.30% | −8,743−4.8% | Reduced |
| South State Corp. | 175,072 | $11.0M | 0.51% | +6,736+4.0% | Added |
| Klingenstein Fields & Co LP | 175,672 | $11.0M | 0.43% | +175,672 | New |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 176,421 | $11.1M | 0.39% | +86,386+95.9% | Added |
| Spence Asset Management | 176,769 | $11.1M | 2.81% | +42,081+31.2% | Added |
| Guggenheim Capital LLC | 178,788 | $11.2M | 0.09% | +24,697+16.0% | Added |
| C WorldWide Group Holding A/S | 180,000 | $11.3M | 0.24% | +180,000 | New |
| Pathstone Holdings, LLC | 180,342 | $11.3M | 0.05% | +4,035+2.3% | Added |
| Intech Investment Management LLC | 180,430 | $11.3M | 0.11% | +4,185+2.4% | Added |
| First Trust Advisors LP | 184,386 | $11.6M | 0.01% | +53,332+40.7% | Added |
| CWM, LLC | 184,539 | $11.6M | 0.03% | +147,935+404.1% | Added |
| CI Private Wealth, LLC | 186,603 | $11.6M | 0.02% | −37,951−16.9% | Reduced |
| Sone Capital Management, LLC | 186,094 | $11.7M | 0.98% | −10,939−5.6% | Reduced |
| AIA Group Ltd | 186,665 | $11.7M | 0.17% | +28,690+18.2% | Added |
| Swiss Life Asset Management Ltd | 187,736 | $11.8M | 0.06% | +20,433+12.2% | Added |
| Nissay Asset Management Corp | 189,576 | $11.9M | 0.06% | +2,724+1.5% | Added |
| Truist Financial Corp | 189,953 | $11.9M | 0.02% | −42,008−18.1% | Reduced |
| Mercer Global Advisors Inc | 195,951 | $12.3M | 0.02% | +92,975+90.3% | Added |
| Intesa Sanpaolo S.p.A. | 196,910 | $12.4M | 0.77% | +56,412+40.2% | Added |
| Private Wealth Partners, LLC | 197,086 | $12.4M | 0.95% | +862+0.4% | Added |
| Heritage Investors Management Corp | 197,162 | $12.4M | 0.38% | +18,957+10.6% | Added |
| Yousif Capital Management, LLC | 198,030 | $12.4M | 0.15% | −9,460−4.6% | Reduced |
| Erste Asset Management GmbH | 197,339 | $12.4M | 0.12% | −134,908−40.6% | Reduced |
| Elo Mutual Pension Insurance Co | 201,021 | $12.6M | 0.21% | +8,385+4.4% | Added |
| Salem Investment Counselors Inc | 201,532 | $12.6M | 0.37% | +5,460+2.8% | Added |
| British Columbia Investment Management Corp | 204,305 | $12.8M | 0.08% | −58,624−22.3% | Reduced |
| Raiffeisen Bank International AG | 203,769 | $12.8M | 0.18% | +107,266+111.2% | Added |
| Community Trust & Investment Co | 204,452 | $12.8M | 0.70% | +50,514+32.8% | Added |
| Bank Julius Baer & Co. Ltd, Zurich | 205,304 | $12.9M | 0.04% | −264,018−56.3% | Reduced |
| AE Wealth Management LLC | 206,603 | $13.0M | 0.07% | +28,720+16.1% | Added |
| Dana Investment Advisors, Inc. | 209,345 | $13.1M | 0.39% | +62,808+42.9% | Added |
| HighTower Advisors, LLC | 209,968 | $13.2M | 0.01% | +37,473+21.7% | Added |
| Kestra Advisory Services, LLC | 211,458 | $13.3M | 0.05% | +5,321+2.6% | Added |
| Ilmarinen Mutual Pension Insurance Co | 213,000 | $13.4M | 0.11% | −50,000−19.0% | Reduced |
| Bailard, Inc. | 213,197 | $13.4M | 0.31% | +11,041+5.5% | Added |
| JustInvest LLC | 215,075 | $13.5M | 0.13% | −650−0.3% | Reduced |
| Lazard Freres Gestion S.A.S. | 217,486 | $13.6M | 0.27% | +217,486 | New |
| Walleye Trading LLC | 219,385 | $13.8M | 0.28% | +23,928+12.2% | Added |
| Beese Fulmer Investment Management, Inc. | 219,741 | $13.8M | 0.88% | −2,285−1.0% | Reduced |
| New York Life Investment Management LLC | 220,446 | $13.8M | 0.12% | +5,780+2.7% | Added |
| NEOS Investment Management LLC | 220,546 | $13.8M | 0.07% | −6,638−2.9% | Reduced |
| Rakuten Investment Management, Inc. | 220,066 | $13.8M | 0.03% | +25,081+12.9% | Added |
| Sumitomo Mitsui DS Asset Management Company, Ltd | 221,197 | $13.9M | 0.11% | +10,924+5.2% | Added |
| Glenview Trust Co | 221,332 | $13.9M | 0.22% | +191,081+631.7% | Added |
| Aristotle Atlantic Partners, LLC | 223,520 | $14.0M | 0.66% | +12,480+5.9% | Added |
| Qsemble Capital Management, LP | 225,867 | $14.2M | 1.08% | +97,901+76.5% | Added |
| Ethic Inc. | 227,217 | $14.3M | 0.22% | −12,130−5.1% | Reduced |
| Police & Firemen's Retirement System of New Jersey | 227,669 | $14.3M | 0.12% | +2,048+0.9% | Added |
| Toroso Investments, LLC | 228,269 | $14.3M | 0.04% | +16,536+7.8% | Added |
| Union Bancaire Privee, UBP SA | 235,234 | $14.4M | 0.26% | −13,263−5.3% | Reduced |
| PBU - The Pension Fund of Early Childhood & Youth Educators | 231,256 | $14.5M | 0.22% | +55,241+31.4% | Added |
| Dai-Ichi Life Insurance Company, Ltd | 231,497 | $14.5M | 0.42% | −105,043−31.2% | Reduced |
| Shelton Capital Management | 232,453 | $14.6M | 0.32% | −107,641−31.7% | Reduced |
| LMR Partners LLP | 232,801 | $14.6M | 0.13% | +229,474+6,897.3% | Added |
| Vinva Investment Management Ltd | 236,846 | $14.9M | 0.19% | +18,943+8.7% | Added |
| Nomura Holdings Inc | 238,708 | $15.0M | 0.12% | +132,589+124.9% | Added |
| Mirae Asset Global ETFs Holdings Ltd. | 239,915 | $15.0M | 0.02% | +11,013+4.8% | Added |
| Cornerstone Advisors, LLC | 239,655 | $15.0M | 0.55% | +136,419+132.1% | Added |
| Utah Retirement Systems | 239,896 | $15.1M | 0.15% | −3,983−1.6% | Reduced |
| ProShare Advisors LLC | 249,935 | $15.7M | 0.02% | −56,234−18.4% | Reduced |
| Brookstone Capital Management | 250,231 | $15.7M | 0.18% | +67,034+36.6% | Added |
| Nisa Investment Advisors, LLC | 251,661 | $15.8M | 0.06% | −121,170−32.5% | Reduced |
| Generate Investment Management Ltd | 254,250 | $16.0M | 0.79% | −94,670−27.1% | Reduced |
| Aureus Asset Management, LLC | 255,363 | $16.0M | 1.07% | +255,363 | New |
| Zacks Investment Management | 257,129 | $16.1M | 0.13% | +1,439+0.6% | Added |
| Gradient Investments LLC | 257,268 | $16.1M | 0.25% | +23,007+9.8% | Added |
| Sirios Capital Management L P | 257,907 | $16.2M | 1.96% | +171,706+199.2% | Added |
| Mediolanum International Funds Ltd | 262,599 | $16.5M | 0.18% | −88,211−25.1% | Reduced |
| B. Metzler seel. Sohn & Co. AG | 265,133 | $16.6M | 0.15% | +26,456+11.1% | Added |
| O'Shaughnessy Asset Management, LLC | 265,431 | $16.7M | 0.08% | −11,558−4.2% | Reduced |
| MML Investors Services, LLC | 265,785 | $16.7M | 0.05% | −2,271−0.8% | Reduced |
| Waycross Partners, LLC | 267,646 | $16.8M | 1.60% | +242,646+970.6% | Added |
| Chicago Capital, LLC | 268,870 | $16.9M | 0.45% | −321,989−54.5% | Reduced |
| USS Investment Management Ltd | 269,031 | $16.9M | 0.07% | +11,950+4.6% | Added |
| Zurich Insurance Group Ltd | 272,168 | $17.1M | 0.13% | +272,168 | New |
| Amalgamated Bank | 275,376 | $17.3M | 0.13% | −5,330−1.9% | Reduced |
| Renaissance Group LLC | 276,752 | $17.4M | 0.73% | −17,572−6.0% | Reduced |
| Kempen Capital Management N.V. | 278,441 | $17.5M | 0.15% | +3,876+1.4% | Added |
| Capital International Sarl | 279,338 | $17.5M | 0.29% | −136,380−32.8% | Reduced |
| Varma Mutual Pension Insurance Co | 280,181 | $17.6M | 0.10% | 00.0% | Unchanged |
| Entropy Technologies, LP | 282,967 | $17.8M | 0.82% | +127,941+82.5% | Added |
| Pinebridge Investments LLC | 286,392 | $18.0M | 0.15% | −28,054−8.9% | Reduced |
| XTX Topco Ltd | 289,670 | $18.2M | 0.32% | +233,385+414.6% | Added |
| Woodline Partners LP | 290,453 | $18.2M | 0.07% | −489,451−62.8% | Reduced |
| PensionDanmark Pensionsforsikringsaktieselskab | 291,077 | $18.3M | 0.18% | +23,538+8.8% | Added |
| Eagle Health Investments LP | 293,152 | $18.4M | 3.86% | +293,152 | New |
| TD Waterhouse Canada Inc. | 298,238 | $18.5M | 0.05% | +141,363+90.1% | Added |
| Xponance, Inc. | 294,885 | $18.5M | 0.13% | +31,983+12.2% | Added |
| Waters Parkerson & Co., LLC | 295,177 | $18.5M | 0.95% | +30,693+11.6% | Added |
| Catalio Capital Management, LP | 299,318 | $18.8M | 3.92% | −61,110−17.0% | Reduced |
| Engineers Gate Manager LP | 300,831 | $18.9M | 0.24% | −406,066−57.4% | Reduced |
| Banco Santander, S.A. | 304,049 | $19.1M | 0.15% | +248,992+452.2% | Added |
| BlueSpruce Investments, LP | 306,134 | $19.2M | 3.04% | +306,134 | New |
| ExodusPoint Capital Management, LP | 311,363 | $19.5M | 0.19% | +138,963+80.6% | Added |
| Trillium Asset Management, LLC | 296,120 | $19.6M | 0.65% | +135,776+84.7% | Added |
| LGT Group Foundation | 312,602 | $19.6M | 0.24% | −1,172−0.4% | Reduced |
| Ieq Capital, LLC | 312,659 | $19.6M | 0.09% | +232,814+291.6% | Added |
| Retirement Systems of Alabama | 314,932 | $19.8M | 0.07% | −434−0.1% | Reduced |
| Gabelli Funds LLC | 325,476 | $20.4M | 0.14% | +4,795+1.5% | Added |