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
- −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 | 1,486 | $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 |
|---|---|---|---|---|---|
| Equitable Holdings, Inc. | 57,465 | $5.18M | 0.03% | +34,882+154.5% | Added |
| Osborne Partners Capital Management, LLC | 82,511 | $5.18M | 0.27% | +82,511 | New |
| Winton Group Ltd | 82,256 | $5.16M | 0.18% | −69,197−45.7% | Reduced |
| Northwest & Ethical Investments L.P. | 81,182 | $5.09M | 0.12% | −3,970−4.7% | Reduced |
| Alberta Investment Management Corp | 80,400 | $5.05M | 0.03% | +1,640+2.1% | Added |
| Mount Yale Investment Advisors, LLC | 80,011 | $5.02M | 0.12% | +64,908+429.8% | Added |
| Omers Administration Corp | 79,936 | $5.02M | 0.03% | +5,326+7.1% | Added |
| Capstone Investment Advisors, LLC | 78,247 | $4.91M | 0.04% | +67,771+646.9% | Added |
| Alerus Financial NA | 77,034 | $4.83M | 0.24% | −7,240−8.6% | Reduced |
| Bridgewater Associates, LP | 76,992 | $4.83M | 0.02% | −16,753−17.9% | Reduced |
| CIBC World Markets Inc. | 76,709 | $4.81M | 0.01% | +51,477+204.0% | Added |
| Brasada Capital Management, LP | 76,308 | $4.78M | 0.88% | −7,953−9.4% | Reduced |
| Brown, Lisle/Cummings, Inc. | 75,763 | $4.75M | 1.19% | +1,320+1.8% | Added |
| Louisiana State Employees Retirement System | 75,600 | $4.74M | 0.08% | −100−0.1% | Reduced |
| Boothbay Fund Management, LLC | 75,212 | $4.72M | 0.11% | +38,768+106.4% | Added |
| Pacer Advisors, Inc. | 74,241 | $4.66M | 0.01% | −50,890−40.7% | Reduced |
| Compagnie Lombard Odier SCmA | 73,918 | $4.64M | 0.06% | +66,703+924.5% | Added |
| Quantbot Technologies LP | 73,709 | $4.63M | 0.19% | −40,866−35.7% | Reduced |
| Maryland State Retirement & Pension System | 73,621 | $4.62M | 0.09% | 00.0% | Unchanged |
| Pictet North America Advisors SA | 72,703 | $4.56M | 0.45% | +13,729+23.3% | Added |
| Virtu Financial LLC | 71,906 | $4.51M | 0.19% | +59,035+458.7% | Added |
| BI Asset Management Fondsmaeglerselskab A/S | 71,593 | $4.49M | 0.05% | −58,923−45.1% | Reduced |
| Commerce Bank | 71,268 | $4.47M | 0.02% | +3,366+5.0% | Added |
| New Mexico Educational Retirement Board | 68,762 | $4.32M | 0.13% | 00.0% | Unchanged |
| Wiley Bros.-Aintree Capital, LLC | 69,266 | $4.30M | 0.02% | −15,680−18.5% | Reduced |
| Exchange Traded Concepts, LLC | 67,401 | $4.23M | 0.03% | +2,113+3.2% | Added |
| Segall Bryant & Hamill, LLC | 67,359 | $4.23M | 0.06% | −8,164−10.8% | Reduced |
| Providence Capital Advisors, LLC | 67,100 | $4.21M | 0.69% | −500−0.7% | Reduced |
| Silvercrest Asset Management Group LLC | 66,465 | $4.17M | 0.03% | −2,549−3.7% | Reduced |
| Quest Investment Management LLC | 66,454 | $4.17M | 0.49% | −20,880−23.9% | Reduced |
| Group One Trading, L.P. | 66,446 | $4.17M | 0.14% | +44,402+201.4% | Added |
| Banque Cantonale Vaudoise | 66,323 | $4.16M | 0.16% | +25,106+60.9% | Added |
| Ally Financial Inc. | 66,000 | $4.14M | 0.52% | +55,000+500.0% | Added |
| Umb Bank N A | 65,934 | $4.14M | 0.06% | −2,824−4.1% | Reduced |
| GWM Advisors LLC | 65,461 | $4.11M | 0.01% | −27,583−29.6% | Reduced |
| NFP Retirement, Inc. | 65,215 | $4.09M | 0.25% | +683+1.1% | Added |
| Spartan Wealth Advisory Services LLC | 65,057 | $4.08M | 0.36% | +65,057 | New |
| Neville Rodie & Shaw Inc | 64,770 | $4.06M | 0.30% | +18,480+39.9% | Added |
| Advisory Services Network, LLC | 64,036 | $4.02M | 0.05% | +24,579+62.3% | Added |
| RBA Wealth Management, LLC | 63,737 | $4.00M | 1.44% | +1,368+2.2% | Added |
| Larson Financial Group LLC | 63,618 | $3.99M | 0.13% | +1,902+3.1% | Added |
| Kovitz Investment Group Partners, LLC | 63,400 | $3.98M | 0.09% | −167,170−72.5% | Reduced |
| Davidson Kempner Capital Management LP | 63,250 | $3.97M | 0.07% | +63,250 | New |
| Louisbourg Investments Inc. | 84,087 | $3.97M | 0.75% | +76,220+968.9% | Added |
| Meiji Yasuda Asset Management Co Ltd. | 63,152 | $3.96M | 0.20% | −3,129−4.7% | Reduced |
| Nicolet Bankshares Inc | 63,057 | $3.95M | 0.15% | +63,057 | New |
| Atria Investments LLC | 62,651 | $3.93M | 0.04% | −12,009−16.1% | Reduced |
| Kestra Private Wealth Services, LLC | 62,536 | $3.92M | 0.05% | +6,569+11.7% | Added |
| Kennedy Capital Management, Inc. | 62,306 | $3.91M | 0.08% | +24,863+66.4% | Added |
| Sivik Global Healthcare LLC | 62,000 | $3.89M | 2.95% | −8,000−11.4% | Reduced |
| Generali Asset Management SPA SGR | 61,449 | $3.86M | 0.08% | −33,203−35.1% | Reduced |
| AG2R la Mondiale Gestion D'Actifs | 61,025 | $3.83M | 0.17% | +1,481+2.5% | Added |
| Dnca Finance | 61,000 | $3.83M | 0.22% | +61,000 | New |
| Cornerstone Wealth Group, LLC | 64,233 | $3.82M | 0.25% | +59,722+1,323.9% | Added |
| MUFG Securities EMEA plc | 60,785 | $3.81M | 0.06% | −278,642−82.1% | Reduced |
| Steward Partners Investment Advisory, LLC | 60,573 | $3.80M | 0.02% | +7,066+13.2% | Added |
| Granite Investment Partners, LLC | 60,473 | $3.79M | 0.23% | +1,003+1.7% | Added |
| Avidity Partners Management LP | 60,000 | $3.77M | 0.76% | −54,500−47.6% | Reduced |
| CSM Advisors, LLC | 59,638 | $3.74M | 0.09% | +59,638 | New |
| TIAA Wealth Investment Management LLC | 59,575 | $3.74M | 0.03% | +59,575 | New |
| Oxford Asset Management LLP | 59,288 | $3.72M | 1.50% | +54,399+1,112.7% | Added |
| Arvest Bank Trust Division | 58,889 | $3.70M | 0.20% | −719−1.2% | Reduced |
| Cyndeo Wealth Partners, LLC | 58,392 | $3.66M | 0.19% | +13,004+28.7% | Added |
| Allworth Financial LP | 58,167 | $3.65M | 0.01% | +11,989+26.0% | Added |
| Scotia Capital Inc. | 57,982 | $3.64M | 0.01% | +5,508+10.5% | Added |
| Davidson Capital Management Inc. | 57,616 | $3.62M | 0.66% | +57,486+44,220.0% | Added |
| BDF-Gestion | 57,069 | $3.58M | 0.48% | +19,023+50.0% | Added |
| HB Wealth Management, LLC | 56,687 | $3.56M | 0.02% | +6,850+13.7% | Added |
| Campbell & CO Investment Adviser LLC | 56,402 | $3.54M | 0.20% | −20,570−26.7% | Reduced |
| NewEdge Wealth, LLC | 56,101 | $3.52M | 0.04% | −16,515−22.7% | Reduced |
| Quintet Private Bank (Europe) S.A. | 56,025 | $3.52M | 0.24% | +24,731+79.0% | Added |
| BNP Paribas | 45,929 | $3.49M | 0.11% | −22,823−33.2% | Reduced |
| Deltec Asset Management LLC | 55,400 | $3.48M | 0.64% | +13,100+31.0% | Added |
| Empower Advisory Group, LLC | 55,203 | $3.46M | 0.01% | −39,626−41.8% | Reduced |
| Siemens Fonds Invest GmbH | 54,971 | $3.45M | 0.20% | +2,935+5.6% | Added |
| Channel Wealth LLC | 54,124 | $3.40M | 0.82% | +19,502+56.3% | Added |
| Costello Asset Management, INC | 54,018 | $3.39M | 1.17% | −3,955−6.8% | Reduced |
| Castlefield Investment Partners LLP | 53,861 | $3.38M | 2.58% | +6,235+13.1% | Added |
| Cambridge Investment Research Advisors, Inc. | 53,823 | $3.38M | 0.01% | −10,542−16.4% | Reduced |
| Skopos Labs, Inc. | 53,712 | $3.37M | 0.11% | +10,061+23.0% | Added |
| Tokio Marine Asset Management Co Ltd | 53,170 | $3.34M | 0.12% | +2,864+5.7% | Added |
| Fifth Third Wealth Advisors LLC | 53,099 | $3.33M | 0.11% | +2,712+5.4% | Added |
| Transamerica Financial Advisors, Inc. | 52,849 | $3.32M | 0.28% | −2,102−3.8% | Reduced |
| Torrey Growth & Income Advisors | 52,698 | $3.31M | 1.39% | +3,800+7.8% | Added |
| Great Valley Advisor Group, Inc. | 52,491 | $3.29M | 0.06% | +7,573+16.9% | Added |
| Legacy Wealth Management, LLC | 52,032 | $3.27M | 0.93% | +2,232+4.5% | Added |
| Kinneret Advisory, LLC | 51,777 | $3.25M | 0.31% | −2,296−4.2% | Reduced |
| William Blair Investment Management, LLC | 51,609 | $3.24M | 0.01% | +70+0.1% | Added |
| King Luther Capital Management Corp | 51,231 | $3.21M | 0.01% | −1,390−2.6% | Reduced |
| Tandem Capital Management Corp | 51,170 | $3.21M | 1.61% | −1,520−2.9% | Reduced |
| Crystal Rock Capital Management | 50,645 | $3.18M | 1.89% | −8,375−14.2% | Reduced |
| Everence Capital Management Inc | 50,500 | $3.17M | 0.19% | 00.0% | Unchanged |
| Laird Norton Trust Company, LLC | 50,500 | $3.17M | 0.07% | −4,592−8.3% | Reduced |
| Highland Capital Management, LLC | 50,000 | $3.14M | 0.17% | −1,000−2.0% | Reduced |
| Ecofi Investissements SA | 50,000 | $3.14M | 5.71% | −43,900−46.8% | Reduced |
| Horizon Investments, LLC | 49,626 | $3.11M | 0.03% | −35,595−41.8% | Reduced |
| Security National Bank | 49,028 | $3.08M | 0.45% | +353+0.7% | Added |
| Meiji Yasuda America Inc | 48,707 | $3.06M | 0.76% | −669−1.4% | Reduced |
| Resources Management Corp | 48,685 | $3.06M | 0.41% | +12,765+35.5% | Added |
| Capital Analysts, LLC | 48,615 | $3.05M | 0.08% | −1,671−3.3% | Reduced |