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 |
|---|---|---|---|---|---|
| Conway Capital Management, Inc. | 28,900 | $1.81M | 0.85% | −495−1.7% | Reduced |
| Outfitter Financial LLC | 28,777 | $1.81M | 1.40% | +4,750+19.8% | Added |
| Ballentine Partners, LLC | 28,721 | $1.80M | 0.03% | −2,632−8.4% | Reduced |
| Dark Forest Capital Management LP | 28,632 | $1.80M | 0.16% | −12,931−31.1% | Reduced |
| Capricorn Fund Managers Ltd | 28,100 | $1.76M | 0.27% | +28,100 | New |
| Moors & Cabot, Inc. | 28,039 | $1.76M | 0.08% | +1,572+5.9% | Added |
| Delta Global Management LP | 28,012 | $1.76M | 0.14% | +28,012 | New |
| Aigen Investment Management, LP | 27,300 | $1.71M | 0.44% | +21,369+360.3% | Added |
| Prudential PLC | 27,268 | $1.71M | 0.01% | 00.0% | Unchanged |
| Sit Investment Associates Inc | 27,240 | $1.71M | 0.03% | 00.0% | Unchanged |
| Two Sigma Securities, LLC | 27,181 | $1.71M | 0.20% | +27,181 | New |
| Principal Securities, Inc. | 26,941 | $1.69M | 0.02% | +255+1.0% | Added |
| Allianz SE | 26,850 | $1.68M | 0.02% | +8,484+46.2% | Added |
| Sivia Capital Partners, LLC | 26,843 | $1.68M | 0.33% | +22,797+563.4% | Added |
| PEAK6 LLC | 26,700 | $1.68M | 0.05% | +16,401+159.2% | Added |
| Eleva Capital SAS | 26,667 | $1.67M | 0.49% | +26,667 | New |
| Focus Financial Network, Inc. | 26,587 | $1.67M | 0.06% | −2,798−9.5% | Reduced |
| Clearstead Advisors, LLC | 26,552 | $1.67M | 0.02% | +6,066+29.6% | Added |
| Mattson Financial Services, LLC | 26,482 | $1.66M | 0.40% | +3,023+12.9% | Added |
| Bokf, NA | 26,418 | $1.66M | 0.03% | −4,273−13.9% | Reduced |
| Nelson Capital Management, LLC | 26,319 | $1.65M | 0.20% | +303+1.2% | Added |
| Buckingham Strategic Partners | 26,252 | $1.65M | 0.02% | +17,460+198.6% | Added |
| Quadrant Capital Group LLC | 25,974 | $1.63M | 0.05% | −6,622−20.3% | Reduced |
| Knights of Columbus Asset Advisors LLC | 25,967 | $1.63M | 0.09% | +2,809+12.1% | Added |
| Argus Investors' Counsel, Inc. | 25,712 | $1.61M | 1.43% | −1,060−4.0% | Reduced |
| Belpointe Asset Management LLC | 25,588 | $1.61M | 0.06% | +20,685+421.9% | Added |
| Fortis Capital Advisors, LLC | 25,588 | $1.61M | 0.21% | +23,213+977.4% | Added |
| GAMMA Investing LLC | 25,346 | $1.59M | 0.07% | −5,487−17.8% | Reduced |
| Intact Investment Management Inc. | 25,300 | $1.59M | 0.05% | +10,000+65.4% | Added |
| Western Wealth Management, LLC | 25,100 | $1.58M | 0.06% | +171+0.7% | Added |
| Apollon Wealth Management, LLC | 25,047 | $1.57M | 0.03% | +460+1.9% | Added |
| Argentarii, LLC | 25,022 | $1.57M | 0.55% | −3,631−12.7% | Reduced |
| China Universal Asset Management Co., Ltd. | 25,000 | $1.57M | 0.12% | +15,000+150.0% | Added |
| Portfolio Design Labs, LLC | 24,980 | $1.57M | 0.28% | −962−3.7% | Reduced |
| RiverFront Investment Group, LLC | 24,915 | $1.56M | 0.02% | +3,607+16.9% | Added |
| Fairbanks Capital Management, Inc. | 24,871 | $1.56M | 0.98% | −599−2.4% | Reduced |
| EP Wealth Advisors, LLC | 24,757 | $1.55M | 0.01% | −3,982−13.9% | Reduced |
| Savant Capital, LLC | 24,732 | $1.55M | 0.01% | +11,776+90.9% | Added |
| Peak Financial Advisors LLC | 24,675 | $1.55M | 0.69% | +5,205+26.7% | Added |
| Cresset Asset Management, LLC | 24,334 | $1.53M | 0.01% | +7,206+42.1% | Added |
| VCI Wealth Management LLC | 24,261 | $1.52M | 0.42% | +8,632+55.2% | Added |
| Flagship Harbor Advisors, LLC | 24,167 | $1.52M | 0.07% | +8,540+54.6% | Added |
| Greenleaf Trust | 24,165 | $1.52M | 0.01% | −1,273−5.0% | Reduced |
| Syon Capital LLC | 24,155 | $1.52M | 0.08% | −3,746−13.4% | Reduced |
| Texas Yale Capital Corp. | 24,049 | $1.51M | 0.04% | +24,049 | New |
| Cullinan Associates Inc | 23,799 | $1.49M | 0.12% | +11,399+91.9% | Added |
| Middleton & Co Inc | 23,757 | $1.49M | 0.17% | +23,757 | New |
| Darwin Advisors, LLC | 23,714 | $1.49M | 0.46% | +7,438+45.7% | Added |
| Bayesian Capital Management, LP | 23,600 | $1.48M | 1.81% | +23,600 | New |
| Voleon Capital Management LP | 23,377 | $1.47M | 0.03% | −254,141−91.6% | Reduced |
| Palumbo Wealth Management LLC | 23,362 | $1.47M | 0.36% | −1,959−7.7% | Reduced |
| Headlands Technologies LLC | 22,732 | $1.43M | 0.16% | −2,911−11.4% | Reduced |
| Park Avenue Securities LLC | 22,666 | $1.42M | 0.01% | +2,530+12.6% | Added |
| Fiduciary Family Office, LLC | 22,536 | $1.41M | 0.40% | +12,875+133.3% | Added |
| Great Lakes Retirement, Inc. | 22,529 | $1.41M | 0.15% | −1,074−4.6% | Reduced |
| Harbor Capital Advisors, Inc. | 22,479 | $1.41M | 0.11% | +938+4.4% | Added |
| Moneta Group Investment Advisors LLC | 22,180 | $1.39M | 0.01% | +54+0.2% | Added |
| Bank of New Hampshire | 22,163 | $1.39M | 0.32% | +40.0% | Added |
| Legacy Wealth Asset Management, LLC | 22,111 | $1.39M | 0.34% | +1,310+6.3% | Added |
| Ostrum Asset Management | 22,054 | $1.38M | 0.08% | −973−4.2% | Reduced |
| Farther Finance Advisors, LLC | 22,272 | $1.38M | 0.01% | +1,881+9.2% | Added |
| Rench Wealth Management, Inc. | 21,919 | $1.38M | 0.41% | +5,678+35.0% | Added |
| Azzad Asset Management Inc | 21,858 | $1.37M | 0.14% | −228−1.0% | Reduced |
| Evergreen Capital Management LLC | 21,853 | $1.37M | 0.03% | +6,320+40.7% | Added |
| Lebenthal Global Advisors, LLC | 21,807 | $1.37M | 0.20% | +664+3.1% | Added |
| Smartleaf Asset Management LLC | 21,744 | $1.37M | 0.05% | −1,571−6.7% | Reduced |
| Beacon Pointe Advisors, LLC | 21,782 | $1.37M | 0.01% | +7,500+52.5% | Added |
| Systematic Alpha Investments, LLC | 21,760 | $1.37M | 0.05% | 00.0% | Unchanged |
| Glen Eagle Advisors, LLC | 21,617 | $1.36M | 0.19% | +8,380+63.3% | Added |
| PKO Investment Management Joint-Stock Co | 21,500 | $1.35M | 0.11% | −1,000−4.4% | Reduced |
| Cary Street Partners Financial LLC | 21,495 | $1.35M | 0.03% | +581+2.8% | Added |
| Summit Financial, LLC | 21,442 | $1.35M | 0.02% | −9,322−30.3% | Reduced |
| Traynor Capital Management, Inc. | 21,214 | $1.33M | 0.08% | −3,803−15.2% | Reduced |
| Aviso Financial Inc. | 21,168 | $1.33M | 0.05% | +6,490+44.2% | Added |
| Kentucky Retirement Systems | 110,238 | $1.32M | 0.10% | +17,562+18.9% | Added |
| Blair William & Co | 21,040 | $1.32M | 0.00% | −95,658−82.0% | Reduced |
| Fiduciary Trust Co | 20,993 | $1.32M | 0.02% | +15,835+307.0% | Added |
| Shepherd Financial Partners LLC | 20,871 | $1.31M | 0.12% | −430−2.0% | Reduced |
| Aspire Private Capital, LLC | 20,806 | $1.31M | 0.29% | +20,806 | New |
| Sanibel Captiva Trust Company, Inc. | 20,735 | $1.30M | 0.04% | +5,818+39.0% | Added |
| Crestwood Advisors Group LLC | 20,712 | $1.30M | 0.02% | −2,117−9.3% | Reduced |
| IMA Wealth, Inc. | 20,484 | $1.29M | 0.13% | +1,278+6.7% | Added |
| Cinctive Capital Management LP | 20,462 | $1.28M | 0.08% | +20,462 | New |
| Hancock Whitney Corp | 20,527 | $1.28M | 0.02% | +20,527 | New |
| Dorsey & Whitney Trust CO LLC | 20,359 | $1.28M | 0.07% | +1,754+9.4% | Added |
| Ak Global Asset Management, LLC | 20,325 | $1.27M | 1.20% | +4,760+30.6% | Added |
| Brown Advisory Inc | 20,300 | $1.27M | 0.00% | +2,326+12.9% | Added |
| Frank, Rimerman Advisors LLC | 20,258 | $1.27M | 0.08% | −279−1.4% | Reduced |
| Strengthening Families & Communities, LLC | 20,159 | $1.26M | 0.32% | +20,159 | New |
| Diversified Trust Co | 20,132 | $1.26M | 0.02% | +14,427+252.9% | Added |
| Indivisible Partners | 20,106 | $1.26M | 0.11% | −40,663−66.9% | Reduced |
| Generali Investments CEE, investicni spolecnost, a.s. | 20,000 | $1.25M | 0.07% | 00.0% | Unchanged |
| Bank of Hawaii | 19,887 | $1.25M | 0.07% | +82+0.4% | Added |
| Fulton Bank, N.A. | 19,855 | $1.25M | 0.04% | +21+0.1% | Added |
| Krane Funds Advisors LLC | 19,900 | $1.24M | 0.05% | +4,000+25.2% | Added |
| Wedmont Private Capital | 19,598 | $1.23M | 0.04% | −2,619−11.8% | Reduced |
| Capstone Capital Management Ltd | 41,209 | $1.22M | 1.23% | +35,116+576.3% | Added |
| Empirical Asset Management, LLC | 19,483 | $1.22M | 0.32% | +19,483 | New |
| EPG Wealth Management LLC | 19,422 | $1.22M | 0.33% | +1,445+8.0% | Added |
| Lombard Odier Asset Management (USA) Corp | 19,398 | $1.22M | 0.65% | −2,710−12.3% | Reduced |