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 |
|---|---|---|---|---|---|
| Transamerica Financial Advisors, Inc. | 52,849 | $3.32M | 0.28% | −2,102−3.8% | Reduced |
| Fifth Third Wealth Advisors LLC | 53,099 | $3.33M | 0.11% | +2,712+5.4% | Added |
| Tokio Marine Asset Management Co Ltd | 53,170 | $3.34M | 0.12% | +2,864+5.7% | Added |
| Skopos Labs, Inc. | 53,712 | $3.37M | 0.11% | +10,061+23.0% | Added |
| Cambridge Investment Research Advisors, Inc. | 53,823 | $3.38M | 0.01% | −10,542−16.4% | Reduced |
| Castlefield Investment Partners LLP | 53,861 | $3.38M | 2.58% | +6,235+13.1% | Added |
| Costello Asset Management, INC | 54,018 | $3.39M | 1.17% | −3,955−6.8% | Reduced |
| Channel Wealth LLC | 54,124 | $3.40M | 0.82% | +19,502+56.3% | Added |
| Siemens Fonds Invest GmbH | 54,971 | $3.45M | 0.20% | +2,935+5.6% | Added |
| Empower Advisory Group, LLC | 55,203 | $3.46M | 0.01% | −39,626−41.8% | Reduced |
| Deltec Asset Management LLC | 55,400 | $3.48M | 0.64% | +13,100+31.0% | Added |
| BNP Paribas | 45,929 | $3.49M | 0.11% | −22,823−33.2% | Reduced |
| Quintet Private Bank (Europe) S.A. | 56,025 | $3.52M | 0.24% | +24,731+79.0% | Added |
| NewEdge Wealth, LLC | 56,101 | $3.52M | 0.04% | −16,515−22.7% | Reduced |
| Campbell & CO Investment Adviser LLC | 56,402 | $3.54M | 0.20% | −20,570−26.7% | Reduced |
| HB Wealth Management, LLC | 56,687 | $3.56M | 0.02% | +6,850+13.7% | Added |
| BDF-Gestion | 57,069 | $3.58M | 0.48% | +19,023+50.0% | Added |
| Davidson Capital Management Inc. | 57,616 | $3.62M | 0.66% | +57,486+44,220.0% | Added |
| Scotia Capital Inc. | 57,982 | $3.64M | 0.01% | +5,508+10.5% | Added |
| Allworth Financial LP | 58,167 | $3.65M | 0.01% | +11,989+26.0% | Added |
| Cyndeo Wealth Partners, LLC | 58,392 | $3.66M | 0.19% | +13,004+28.7% | Added |
| Arvest Bank Trust Division | 58,889 | $3.70M | 0.20% | −719−1.2% | Reduced |
| Oxford Asset Management LLP | 59,288 | $3.72M | 1.50% | +54,399+1,112.7% | Added |
| TIAA Wealth Investment Management LLC | 59,575 | $3.74M | 0.03% | +59,575 | New |
| CSM Advisors, LLC | 59,638 | $3.74M | 0.09% | +59,638 | New |
| Avidity Partners Management LP | 60,000 | $3.77M | 0.76% | −54,500−47.6% | Reduced |
| Granite Investment Partners, LLC | 60,473 | $3.79M | 0.23% | +1,003+1.7% | Added |
| Steward Partners Investment Advisory, LLC | 60,573 | $3.80M | 0.02% | +7,066+13.2% | Added |
| MUFG Securities EMEA plc | 60,785 | $3.81M | 0.06% | −278,642−82.1% | Reduced |
| Cornerstone Wealth Group, LLC | 64,233 | $3.82M | 0.25% | +59,722+1,323.9% | Added |
| Dnca Finance | 61,000 | $3.83M | 0.22% | +61,000 | New |
| AG2R la Mondiale Gestion D'Actifs | 61,025 | $3.83M | 0.17% | +1,481+2.5% | Added |
| Generali Asset Management SPA SGR | 61,449 | $3.86M | 0.08% | −33,203−35.1% | Reduced |
| Sivik Global Healthcare LLC | 62,000 | $3.89M | 2.95% | −8,000−11.4% | Reduced |
| Kennedy Capital Management, Inc. | 62,306 | $3.91M | 0.08% | +24,863+66.4% | Added |
| Kestra Private Wealth Services, LLC | 62,536 | $3.92M | 0.05% | +6,569+11.7% | Added |
| Atria Investments LLC | 62,651 | $3.93M | 0.04% | −12,009−16.1% | Reduced |
| Nicolet Bankshares Inc | 63,057 | $3.95M | 0.15% | +63,057 | New |
| Meiji Yasuda Asset Management Co Ltd. | 63,152 | $3.96M | 0.20% | −3,129−4.7% | Reduced |
| Louisbourg Investments Inc. | 84,087 | $3.97M | 0.75% | +76,220+968.9% | Added |
| Davidson Kempner Capital Management LP | 63,250 | $3.97M | 0.07% | +63,250 | New |
| Kovitz Investment Group Partners, LLC | 63,400 | $3.98M | 0.09% | −167,170−72.5% | Reduced |
| Larson Financial Group LLC | 63,618 | $3.99M | 0.13% | +1,902+3.1% | Added |
| RBA Wealth Management, LLC | 63,737 | $4.00M | 1.44% | +1,368+2.2% | Added |
| Advisory Services Network, LLC | 64,036 | $4.02M | 0.05% | +24,579+62.3% | Added |
| Neville Rodie & Shaw Inc | 64,770 | $4.06M | 0.30% | +18,480+39.9% | Added |
| Spartan Wealth Advisory Services LLC | 65,057 | $4.08M | 0.36% | +65,057 | New |
| NFP Retirement, Inc. | 65,215 | $4.09M | 0.25% | +683+1.1% | Added |
| GWM Advisors LLC | 65,461 | $4.11M | 0.01% | −27,583−29.6% | Reduced |
| Umb Bank N A | 65,934 | $4.14M | 0.06% | −2,824−4.1% | Reduced |
| Ally Financial Inc. | 66,000 | $4.14M | 0.52% | +55,000+500.0% | Added |
| Banque Cantonale Vaudoise | 66,323 | $4.16M | 0.16% | +25,106+60.9% | Added |
| Group One Trading, L.P. | 66,446 | $4.17M | 0.14% | +44,402+201.4% | Added |
| Quest Investment Management LLC | 66,454 | $4.17M | 0.49% | −20,880−23.9% | Reduced |
| Silvercrest Asset Management Group LLC | 66,465 | $4.17M | 0.03% | −2,549−3.7% | Reduced |
| Providence Capital Advisors, LLC | 67,100 | $4.21M | 0.69% | −500−0.7% | Reduced |
| Segall Bryant & Hamill, LLC | 67,359 | $4.23M | 0.06% | −8,164−10.8% | Reduced |
| Exchange Traded Concepts, LLC | 67,401 | $4.23M | 0.03% | +2,113+3.2% | Added |
| Wiley Bros.-Aintree Capital, LLC | 69,266 | $4.30M | 0.02% | −15,680−18.5% | Reduced |
| New Mexico Educational Retirement Board | 68,762 | $4.32M | 0.13% | 00.0% | Unchanged |
| Commerce Bank | 71,268 | $4.47M | 0.02% | +3,366+5.0% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 71,593 | $4.49M | 0.05% | −58,923−45.1% | Reduced |
| Virtu Financial LLC | 71,906 | $4.51M | 0.19% | +59,035+458.7% | Added |
| Pictet North America Advisors SA | 72,703 | $4.56M | 0.45% | +13,729+23.3% | Added |
| Maryland State Retirement & Pension System | 73,621 | $4.62M | 0.09% | 00.0% | Unchanged |
| Quantbot Technologies LP | 73,709 | $4.63M | 0.19% | −40,866−35.7% | Reduced |
| Compagnie Lombard Odier SCmA | 73,918 | $4.64M | 0.06% | +66,703+924.5% | Added |
| Pacer Advisors, Inc. | 74,241 | $4.66M | 0.01% | −50,890−40.7% | Reduced |
| Boothbay Fund Management, LLC | 75,212 | $4.72M | 0.11% | +38,768+106.4% | Added |
| Louisiana State Employees Retirement System | 75,600 | $4.74M | 0.08% | −100−0.1% | Reduced |
| Brown, Lisle/Cummings, Inc. | 75,763 | $4.75M | 1.19% | +1,320+1.8% | Added |
| Brasada Capital Management, LP | 76,308 | $4.78M | 0.88% | −7,953−9.4% | Reduced |
| CIBC World Markets Inc. | 76,709 | $4.81M | 0.01% | +51,477+204.0% | Added |
| Bridgewater Associates, LP | 76,992 | $4.83M | 0.02% | −16,753−17.9% | Reduced |
| Alerus Financial NA | 77,034 | $4.83M | 0.24% | −7,240−8.6% | Reduced |
| Capstone Investment Advisors, LLC | 78,247 | $4.91M | 0.04% | +67,771+646.9% | Added |
| Omers Administration Corp | 79,936 | $5.02M | 0.03% | +5,326+7.1% | Added |
| Mount Yale Investment Advisors, LLC | 80,011 | $5.02M | 0.12% | +64,908+429.8% | Added |
| Alberta Investment Management Corp | 80,400 | $5.05M | 0.03% | +1,640+2.1% | Added |
| Northwest & Ethical Investments L.P. | 81,182 | $5.09M | 0.12% | −3,970−4.7% | Reduced |
| Winton Group Ltd | 82,256 | $5.16M | 0.18% | −69,197−45.7% | Reduced |
| Osborne Partners Capital Management, LLC | 82,511 | $5.18M | 0.27% | +82,511 | New |
| Equitable Holdings, Inc. | 57,465 | $5.18M | 0.03% | +34,882+154.5% | Added |
| Stoneridge Investment Partners LLC | 82,824 | $5.20M | 3.76% | +82,824 | New |
| O'Brien Greene & Co. Inc | 83,406 | $5.23M | 1.48% | +83,406 | New |
| BTC Capital Management, Inc. | 84,238 | $5.28M | 0.36% | +30,778+57.6% | Added |
| Hartford Investment Management Co | 84,533 | $5.30M | 0.17% | −1,335−1.6% | Reduced |
| DuPont Capital Management Corp | 84,550 | $5.31M | 0.60% | −8,869−9.5% | Reduced |
| Factory Mutual Insurance Co | 84,600 | $5.31M | 0.06% | +13,500+19.0% | Added |
| Canada Post Corp Registered Pension Plan | 85,329 | $5.35M | 0.21% | +27,526+47.6% | Added |
| Edgestream Partners, L.P. | 85,752 | $5.38M | 0.18% | +66,293+340.7% | Added |
| Lockheed Martin Investment Management Co | 85,920 | $5.39M | 0.20% | +31,370+57.5% | Added |
| Fortis Capital Management LLC | 86,695 | $5.44M | 0.73% | +43,898+102.6% | Added |
| Van Eck Associates Corp | 88,773 | $5.57M | 0.00% | +33,954+61.9% | Added |
| Dodge & Cox | 88,885 | $5.58M | 0.00% | 00.0% | Unchanged |
| Ninety One North America, Inc. | 89,019 | $5.59M | 0.25% | +11,301+14.5% | Added |
| Foresight Group Ltd Liability Partnership | 89,343 | $5.61M | 0.99% | +89,343 | New |
| Mizuho Securities USA LLC | 89,655 | $5.63M | 0.13% | −18,287−16.9% | Reduced |
| Norinchukin Bank, The | 90,429 | $5.67M | 0.07% | +304+0.3% | Added |
| Captrust Financial Advisors | 90,594 | $5.68M | 0.01% | +30,504+50.8% | Added |