Skip to main content

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, Q3 2025

Institutional positions in Boston Scientific Corp as of Sep 30, 2025. 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
1,715
+48 vs. Q2 2025
Shares held
1.34B
+10.1M (+0.8%) vs. Q2 2025
Total value
$131.1B
−$12.0B (−8.4%) vs. Q2 2025
New holders
179
769 more added
Sold out
131
558 more reduced

27 institutions that held it in Q2 2025 haven't filed for Q3 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 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 holdersQ3 2025: 1,715 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 heldQ3 2025: $131.1B
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, Q3 2025

Shares, value and share of portfolio for each institution holding Boston Scientific Corp; share changes are against Q2 2025.

Institutions holding BSX in Q3 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Gamco Investors, Inc. Et Al123,992$12.1M0.12%−1,207−1.0%Reduced
Shelton Capital Management123,494$12.1M0.26%+1,400+1.1%Added
Dakota Wealth Management122,602$12.0M0.24%−116,064−48.6%Reduced
GDS Wealth Management122,077$11.9M0.79%+9,428+8.4%Added
Longbow Finance SA121,861$11.9M1.17%+59,829+96.4%Added
First American Bank121,800$11.9M0.75%−4,277−3.4%Reduced
Empowered Funds, LLC121,273$11.8M0.12%+44,914+58.8%Added
GWM Advisors LLC119,129$11.6M0.05%+9,816+9.0%Added
Mizuho Securities USA LLC107,921$11.4M0.23%+5,676+5.6%Added
Assetmark, Inc115,613$11.3M0.02%−82,501−41.6%Reduced
Blair William & Co115,178$11.2M0.03%−3,590−3.0%Reduced
Wealth Enhancement Advisory Services, LLC116,952$11.2M0.02%+1,202+1.0%Added
First National Trust Co114,806$11.2M0.38%+2,504+2.2%Added
Ieq Capital, LLC113,787$11.1M0.03%−9,805−7.9%Reduced
Virginia Retirement Systems Et Al113,600$11.1M0.07%+47,100+70.8%Added
Welch & Forbes LLC111,941$10.9M0.13%−1,500−1.3%Reduced
Headlands Technologies LLC108,046$10.5M0.84%+60,091+125.3%Added
Hennion & Walsh Asset Management, Inc.107,710$10.5M0.38%−1,439−1.3%Reduced
First Nebraska Trust Co106,742$10.4M0.94%−273−0.3%Reduced
Badgley Phelps Wealth Managers, LLC106,706$10.4M0.22%+1,758+1.7%Added
AIA Group Ltd105,465$10.3M0.18%−8,790−7.7%Reduced
Mercer Global Advisors Inc105,143$10.3M0.02%+4,051+4.0%Added
DuPont Capital Management Corp104,998$10.3M1.06%−9,946−8.7%Reduced
Banco Bilbao Vizcaya Argentaria, S.A.104,785$10.2M0.08%+69,174+194.2%Added
Caption Management, LLC100,800$9.84M0.57%+100,800New
Glenmede Investment Management, LP99,081$9.67M0.05%+77,375+356.5%Added
Horizon Investments, LLC96,815$9.45M0.12%−584−0.6%Reduced
Empower Advisory Group, LLC96,808$9.45M0.03%+2,061+2.2%Added
BNP Paribas94,114$9.43M0.28%−18,141−16.2%Reduced
FACT Capital, LP95,907$9.36M4.87%−48,065−33.4%Reduced
Occudo Quantitative Strategies LP95,322$9.31M1.13%+10,838+12.8%Added
Lombard Odier Asset Management (Switzerland) SA93,467$9.13M0.42%+24,940+36.4%Added
Exane Asset Management79,463$9.12M3.07%+79,463New
Raiffeisen Bank International AG93,616$9.08M0.12%−4,332−4.4%Reduced
Kentucky Retirement Systems92,676$9.05M0.25%−1,471−1.6%Reduced
HealthInvest Partners AB86,680$8.98M3.33%−39,505−31.3%Reduced
L & S Advisors Inc91,029$8.89M0.85%+18,939+26.3%Added
Headland Capital, LLC90,640$8.85M2.48%+936+1.0%Added
Generali Asset Management SPA SGR89,738$8.76M0.19%+6,433+7.7%Added
Dodge & Cox88,885$8.68M0.00%−1,500−1.7%Reduced
Crossmark Global Holdings, Inc.87,459$8.54M0.13%−310.0%Reduced
Sirios Capital Management L P87,421$8.53M1.11%−2,493−2.8%Reduced
Bleakley Financial Group, LLC87,392$8.53M0.20%+7,232+9.0%Added
Hartford Investment Management Co86,960$8.49M0.26%−2,473−2.8%Reduced
Sanctuary Advisors, LLC86,609$8.46M0.05%+10,602+13.9%Added
Brasada Capital Management, LP87,496$8.43M1.43%−2,621−2.9%Reduced
Quest Investment Management LLC86,185$8.41M0.88%−35,363−29.1%Reduced
Spirepoint Private Client, LLC86,080$8.40M0.88%+4,053+4.9%Added
Alerus Financial NA84,795$8.28M0.42%−291−0.3%Reduced
Norinchukin Bank, The84,377$8.24M0.11%+1,540+1.9%Added
Thematics Asset Management83,346$8.14M0.37%+7,268+9.6%Added
Investment Management Corp of Ontario83,047$8.11M0.12%+7,549+10.0%Added
ABN AMRO Bank N.V.82,199$7.98M0.08%+33,418+68.5%Added
First American Trust, FSB80,908$7.90M0.57%+237+0.3%Added
M&T Bank Corp80,899$7.90M0.03%−27,565−25.4%Reduced
Cornerstone Advisors, LLC80,336$7.84M0.26%−6,800−7.8%Reduced
Armistice Capital, LLC80,223$7.83M0.25%+5,223+7.0%Added
Northwest & Ethical Investments L.P.80,131$7.81M0.18%+7,581+10.4%Added
Caisse des Depots Et Consignations79,414$7.75M0.33%00.0%Unchanged
Cavalier Investments, LLC75,388$7.71M3.11%+25,100+49.9%Added
Louisiana State Employees Retirement System77,800$7.60M0.13%−300−0.4%Reduced
Vident Advisory, LLC77,707$7.59M0.07%+22,336+40.3%Added
Qsemble Capital Management, LP77,653$7.58M0.74%+57,242+280.4%Added
Atria Investments LLC77,476$7.56M0.09%+35,788+85.8%Added
Phoenix Holdings Ltd.76,308$7.45M0.09%−36,970−32.6%Reduced
Prosight Management, LP76,100$7.43M1.78%+76,100New
Aptus Capital Advisors, LLC75,862$7.41M0.07%+63,382+507.9%Added
Wiley Bros.-Aintree Capital, LLC75,592$7.37M0.05%+17,387+29.9%Added
Brown, Lisle/Cummings, Inc.75,343$7.36M1.89%−225−0.3%Reduced
Cambridge Investment Research Advisors, Inc.75,021$7.32M0.02%+21,091+39.1%Added
Gulf International Bank (UK) Ltd74,472$7.27M0.24%−1,176−1.6%Reduced
Brevan Howard Capital Management LP73,844$7.21M0.10%−4,055−5.2%Reduced
Maryland State Retirement & Pension System73,621$7.19M0.15%+1,876+2.6%Added
Umb Bank N A73,448$7.17M0.11%−1,766−2.3%Reduced
NWK Group, Inc.73,199$7.15M2.43%−228−0.3%Reduced
CAPROCK Group, Inc.67,449$7.12M0.18%+67,449New
Freestone Grove Partners LP72,399$7.07M0.05%+72,399New
Stevens Capital Management LP72,296$7.06M0.94%+36,784+103.6%Added
Securian Asset Management, Inc71,560$6.99M0.19%−5,749−7.4%Reduced
Meiji Yasuda Asset Management Co Ltd.71,324$6.96M0.33%−1,084−1.5%Reduced
Factory Mutual Insurance Co71,100$6.94M0.07%00.0%Unchanged
Warren Averett Asset Management, LLC70,664$6.90M0.07%+4,951+7.5%Added
Bamco Inc70,000$6.83M0.02%−10,000−12.5%Reduced
Miura Global Management, LLC70,000$6.83M10.06%+50,000+250.0%Added
Sivik Global Healthcare LLC70,000$6.83M3.59%−10,000−12.5%Reduced
Signature Estate & Investment Advisors LLC69,918$6.83M0.15%+4,164+6.3%Added
Silvercrest Asset Management Group LLC69,742$6.81M0.05%+1,486+2.2%Added
Magnetar Financial LLC69,473$6.78M0.04%+63,691+1,101.5%Added
Walleye Trading LLC68,761$6.71M0.11%−60,675−46.9%Reduced
Aigen Investment Management, LP68,610$6.70M1.04%+289+0.4%Added
Edentree Asset Management Ltd67,900$6.63M1.60%00.0%Unchanged
Knights of Columbus Asset Advisors LLC67,701$6.61M0.38%−1,161−1.7%Reduced
Commerce Bank67,564$6.60M0.04%+2,922+4.5%Added
Bogart Wealth, LLC67,562$6.60M0.27%+1,571+2.4%Added
New Mexico Educational Retirement Board66,862$6.53M0.20%−2,000−2.9%Reduced
Torrey Growth & Income Advisors66,743$6.52M1.92%+66,743New
Envestnet Portfolio Solutions, Inc.66,686$6.51M0.02%+730+1.1%Added
Metis Global Partners, LLC66,394$6.48M0.15%+478+0.7%Added
Graham Capital Management, L.P.66,240$6.47M0.24%−113,835−63.2%Reduced
Entropy Technologies, LP65,283$6.37M0.48%−17,530−21.2%Reduced