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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.

Institutional holdersQ1 2026: 1,683 institutions
Q1 2021: 836 institutionsQ2 2021: 873 institutionsQ3 2021: 884 institutionsQ4 2021: 892 institutionsQ1 2022: 909 institutionsQ2 2022: 882 institutionsQ3 2022: 866 institutionsQ4 2022: 930 institutionsQ1 2023: 1,000 institutionsQ2 2023: 1,069 institutionsQ3 2023: 1,060 institutionsQ4 2023: 1,151 institutionsQ1 2024: 1,227 institutionsQ2 2024: 1,325 institutionsQ3 2024: 1,403 institutionsQ4 2024: 1,520 institutionsQ1 2025: 1,649 institutionsQ2 2025: 1,694 institutionsQ3 2025: 1,715 institutionsQ4 2025: 1,794 institutionsQ1 2026: 1,683 institutionsQ2 2026: 1,486 institutions
Value heldQ1 2026: $84.2B
Q1 2021: $49.9BQ2 2021: $55.3BQ3 2021: $56.6BQ4 2021: $54.8BQ1 2022: $57.0BQ2 2022: $48.6BQ3 2022: $50.9BQ4 2022: $60.5BQ1 2023: $65.7BQ2 2023: $71.6BQ3 2023: $70.6BQ4 2023: $77.3BQ1 2024: $90.9BQ2 2024: $102.2BQ3 2024: $111.0BQ4 2024: $119.8BQ1 2025: $135.2BQ2 2025: $145.4BQ3 2025: $131.1BQ4 2025: $130.0BQ1 2026: $84.2BQ2 2026: $57.3B
Institutions holding BSX and their total value by quarter
QuarterHoldersValue
Q2 20261,486$57.3B
Q1 20261,683$84.2B
Q4 20251,794$130.0B
Q3 20251,715$131.1B
Q2 20251,694$145.4B
Q1 20251,649$135.2B
Q4 20241,520$119.8B
Q3 20241,403$111.0B
Q2 20241,325$102.2B
Q1 20241,227$90.9B
Q4 20231,151$77.3B
Q3 20231,060$70.6B
Q2 20231,069$71.6B
Q1 20231,000$65.7B
Q4 2022930$60.5B
Q3 2022866$50.9B
Q2 2022882$48.6B
Q1 2022909$57.0B
Q4 2021892$54.8B
Q3 2021884$56.6B
Q2 2021873$55.3B
Q1 2021836$49.9B

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Boston Scientific Corp; share changes are against Q4 2025.

Institutions holding BSX in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Cinctive Capital Management LP20,462$1.28M0.08%+20,462New
IMA Wealth, Inc.20,484$1.29M0.13%+1,278+6.7%Added
Crestwood Advisors Group LLC20,712$1.30M0.02%−2,117−9.3%Reduced
Sanibel Captiva Trust Company, Inc.20,735$1.30M0.04%+5,818+39.0%Added
Aspire Private Capital, LLC20,806$1.31M0.29%+20,806New
Shepherd Financial Partners LLC20,871$1.31M0.12%−430−2.0%Reduced
Fiduciary Trust Co20,993$1.32M0.02%+15,835+307.0%Added
Blair William & Co21,040$1.32M0.00%−95,658−82.0%Reduced
Kentucky Retirement Systems110,238$1.32M0.10%+17,562+18.9%Added
Aviso Financial Inc.21,168$1.33M0.05%+6,490+44.2%Added
Traynor Capital Management, Inc.21,214$1.33M0.08%−3,803−15.2%Reduced
Summit Financial, LLC21,442$1.35M0.02%−9,322−30.3%Reduced
Cary Street Partners Financial LLC21,495$1.35M0.03%+581+2.8%Added
PKO Investment Management Joint-Stock Co21,500$1.35M0.11%−1,000−4.4%Reduced
Glen Eagle Advisors, LLC21,617$1.36M0.19%+8,380+63.3%Added
Systematic Alpha Investments, LLC21,760$1.37M0.05%00.0%Unchanged
Beacon Pointe Advisors, LLC21,782$1.37M0.01%+7,500+52.5%Added
Smartleaf Asset Management LLC21,744$1.37M0.05%−1,571−6.7%Reduced
Lebenthal Global Advisors, LLC21,807$1.37M0.20%+664+3.1%Added
Evergreen Capital Management LLC21,853$1.37M0.03%+6,320+40.7%Added
Azzad Asset Management Inc21,858$1.37M0.14%−228−1.0%Reduced
Rench Wealth Management, Inc.21,919$1.38M0.41%+5,678+35.0%Added
Farther Finance Advisors, LLC22,272$1.38M0.01%+1,881+9.2%Added
Ostrum Asset Management22,054$1.38M0.08%−973−4.2%Reduced
Legacy Wealth Asset Management, LLC22,111$1.39M0.34%+1,310+6.3%Added
Bank of New Hampshire22,163$1.39M0.32%+40.0%Added
Moneta Group Investment Advisors LLC22,180$1.39M0.01%+54+0.2%Added
Harbor Capital Advisors, Inc.22,479$1.41M0.11%+938+4.4%Added
Great Lakes Retirement, Inc.22,529$1.41M0.15%−1,074−4.6%Reduced
Fiduciary Family Office, LLC22,536$1.41M0.40%+12,875+133.3%Added
Park Avenue Securities LLC22,666$1.42M0.01%+2,530+12.6%Added
Headlands Technologies LLC22,732$1.43M0.16%−2,911−11.4%Reduced
Palumbo Wealth Management LLC23,362$1.47M0.36%−1,959−7.7%Reduced
Voleon Capital Management LP23,377$1.47M0.03%−254,141−91.6%Reduced
Bayesian Capital Management, LP23,600$1.48M1.81%+23,600New
Darwin Advisors, LLC23,714$1.49M0.46%+7,438+45.7%Added
Middleton & Co Inc23,757$1.49M0.17%+23,757New
Cullinan Associates Inc23,799$1.49M0.12%+11,399+91.9%Added
Texas Yale Capital Corp.24,049$1.51M0.04%+24,049New
Syon Capital LLC24,155$1.52M0.08%−3,746−13.4%Reduced
Greenleaf Trust24,165$1.52M0.01%−1,273−5.0%Reduced
Flagship Harbor Advisors, LLC24,167$1.52M0.07%+8,540+54.6%Added
VCI Wealth Management LLC24,261$1.52M0.42%+8,632+55.2%Added
Cresset Asset Management, LLC24,334$1.53M0.01%+7,206+42.1%Added
Peak Financial Advisors LLC24,675$1.55M0.69%+5,205+26.7%Added
Savant Capital, LLC24,732$1.55M0.01%+11,776+90.9%Added
EP Wealth Advisors, LLC24,757$1.55M0.01%−3,982−13.9%Reduced
Fairbanks Capital Management, Inc.24,871$1.56M0.98%−599−2.4%Reduced
RiverFront Investment Group, LLC24,915$1.56M0.02%+3,607+16.9%Added
Portfolio Design Labs, LLC24,980$1.57M0.28%−962−3.7%Reduced
China Universal Asset Management Co., Ltd.25,000$1.57M0.12%+15,000+150.0%Added
Argentarii, LLC25,022$1.57M0.55%−3,631−12.7%Reduced
Apollon Wealth Management, LLC25,047$1.57M0.03%+460+1.9%Added
Western Wealth Management, LLC25,100$1.58M0.06%+171+0.7%Added
Intact Investment Management Inc.25,300$1.59M0.05%+10,000+65.4%Added
GAMMA Investing LLC25,346$1.59M0.07%−5,487−17.8%Reduced
Belpointe Asset Management LLC25,588$1.61M0.06%+20,685+421.9%Added
Fortis Capital Advisors, LLC25,588$1.61M0.21%+23,213+977.4%Added
Argus Investors' Counsel, Inc.25,712$1.61M1.43%−1,060−4.0%Reduced
Knights of Columbus Asset Advisors LLC25,967$1.63M0.09%+2,809+12.1%Added
Quadrant Capital Group LLC25,974$1.63M0.05%−6,622−20.3%Reduced
Buckingham Strategic Partners26,252$1.65M0.02%+17,460+198.6%Added
Nelson Capital Management, LLC26,319$1.65M0.20%+303+1.2%Added
Bokf, NA26,418$1.66M0.03%−4,273−13.9%Reduced
Mattson Financial Services, LLC26,482$1.66M0.40%+3,023+12.9%Added
Clearstead Advisors, LLC26,552$1.67M0.02%+6,066+29.6%Added
Focus Financial Network, Inc.26,587$1.67M0.06%−2,798−9.5%Reduced
Eleva Capital SAS26,667$1.67M0.49%+26,667New
PEAK6 LLC26,700$1.68M0.05%+16,401+159.2%Added
Sivia Capital Partners, LLC26,843$1.68M0.33%+22,797+563.4%Added
Allianz SE26,850$1.68M0.02%+8,484+46.2%Added
Principal Securities, Inc.26,941$1.69M0.02%+255+1.0%Added
Two Sigma Securities, LLC27,181$1.71M0.20%+27,181New
Sit Investment Associates Inc27,240$1.71M0.03%00.0%Unchanged
Prudential PLC27,268$1.71M0.01%00.0%Unchanged
Aigen Investment Management, LP27,300$1.71M0.44%+21,369+360.3%Added
Delta Global Management LP28,012$1.76M0.14%+28,012New
Moors & Cabot, Inc.28,039$1.76M0.08%+1,572+5.9%Added
Capricorn Fund Managers Ltd28,100$1.76M0.27%+28,100New
Dark Forest Capital Management LP28,632$1.80M0.16%−12,931−31.1%Reduced
Ballentine Partners, LLC28,721$1.80M0.03%−2,632−8.4%Reduced
Outfitter Financial LLC28,777$1.81M1.40%+4,750+19.8%Added
Conway Capital Management, Inc.28,900$1.81M0.85%−495−1.7%Reduced
Picton Mahoney Asset Management28,915$1.81M0.02%−340,990−92.2%Reduced
Vestcor Inc29,379$1.84M0.05%00.0%Unchanged
Generali Investments, Management Co LLC29,474$1.85M0.43%−9,263−23.9%Reduced
Triglav Skladi, D.O.O.29,500$1.85M0.13%+7,500+34.1%Added
Courier Capital LLC30,258$1.90M0.11%+130.0%Added
Integrated Wealth Concepts LLC30,412$1.91M0.02%+18,282+150.7%Added
Cohen Klingenstein LLC30,500$1.91M0.06%00.0%Unchanged
Adell Harriman & Carpenter Inc30,509$1.91M0.12%−24,646−44.7%Reduced
Bridgefront Capital, LLC30,630$1.92M0.48%+6,862+28.9%Added
Boston Family Office LLC30,865$1.94M0.13%+1,241+4.2%Added
Summit Trail Advisors, LLC30,942$1.94M0.03%+3,416+12.4%Added
BTG Pactual Asset Management US LLC21,128$1.95M0.19%+1,103+5.5%Added
Callan Family Office, LLC31,274$1.96M0.04%−23,752−43.2%Reduced
Gsa Capital Partners LLP31,294$1.96M0.12%+21,062+205.8%Added
Concurrent Investment Advisors, LLC31,399$1.97M0.02%+2,026+6.9%Added
Hantz Financial Services, Inc.31,457$1.97M0.03%−76,910−71.0%Reduced
Tiaa-Cref Individual & Institutional Services, LLC31,923$2.00M0.01%+31,923New