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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, 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
Toronto Dominion Bank553,955$54.1M0.10%−52,079−8.6%Reduced
Natixis545,668$53.3M0.29%+55,582+11.3%Added
Saudi Central Bank539,426$52.7M2.00%+30.0%Added
Capital Fund Management S.A.539,406$52.7M0.53%+539,406New
State of Tennessee, Treasury Department531,482$51.9M0.17%−31,129−5.5%Reduced
Colony Group, LLC518,225$50.6M0.08%+194,947+60.3%Added
State of New Jersey Common Pension Fund D517,472$50.5M0.19%+21,386+4.3%Added
Quantinno Capital Management LP512,570$50.0M0.14%+168,685+49.1%Added
Synergy Financial Management, LLC493,323$48.3M1.75%+479,593+3,493.0%Added
Samlyn Capital, LLC486,860$47.5M0.67%+486,860New
Hudson Bay Capital Management LP485,906$47.4M0.29%+1,906+0.4%Added
Victory Capital Management Inc483,268$47.2M0.03%−305,210−38.7%Reduced
Fisher Funds Management LTD483,216$47.2M1.25%−465,878−49.1%Reduced
Susquehanna International Group, LLP482,557$47.1M0.07%+183,670+61.5%Added
First Trust Advisors LP479,182$46.8M0.03%+49,545+11.5%Added
Erste Asset Management GmbH475,166$46.4M0.45%−41,497−8.0%Reduced
ASR Vermogensbeheer N.V.472,687$46.1M0.56%+18,640+4.1%Added
Resona Asset Management Co.,Ltd.470,928$45.9M0.22%−23,169−4.7%Reduced
Woodline Partners LP463,423$45.2M0.21%+155,760+50.6%Added
Anchor Capital Advisors LLC463,214$45.2M1.31%−17,992−3.7%Reduced
Bradley Foster & Sargent Inc453,864$44.3M0.65%−100,560−18.1%Reduced
Oddo BHF Asset Management SAS451,842$44.1M1.68%+38,238+9.2%Added
Advisor Group Holdings, Inc.440,654$43.7M0.06%+295,909+204.4%Added
Tocqueville Asset Management L.P.446,729$43.6M0.64%−28,466−6.0%Reduced
Cetera Investment Advisers442,150$43.2M0.05%+94,005+27.0%Added
Rhenman & Partners Asset Management AB438,000$42.8M4.73%+142,000+48.0%Added
Parkman Healthcare Partners LLC434,377$42.4M4.66%+151,211+53.4%Added
Trexquant Investment LP432,272$42.2M0.44%+322,469+293.7%Added
Arizona State Retirement System432,094$42.2M0.22%−301−0.1%Reduced
Mariner, LLC413,214$40.3M0.05%+112,459+37.4%Added
Point72 (DIFC) Ltd408,664$39.9M2.78%+262,364+179.3%Added
SG Americas Securities, LLC405,743$39.6M0.14%+290,455+251.9%Added
La Banque Postale Asset Management SA400,859$39.1M0.48%+110,583+38.1%Added
State of Michigan Retirement System400,708$39.1M0.19%−1,600−0.4%Reduced
DnB Asset Management AS399,330$39.0M0.15%−42,244−9.6%Reduced
E. Ohman J:or Asset Management AB397,419$38.8M0.92%−16,897−4.1%Reduced
Generate Investment Management Ltd395,081$38.6M1.96%+259,265+190.9%Added
Nisa Investment Advisors, LLC391,013$38.2M0.15%+7,200+1.9%Added
Jump Financial, LLC385,330$37.6M0.48%+385,330New
MetLife Investment Management379,603$37.1M0.18%−8,890−2.3%Reduced
Czech National Bank376,334$36.7M0.25%+14,705+4.1%Added
Associated Banc-Corp372,443$36.4M0.96%+383+0.1%Added
Dai-Ichi Life Insurance Company, Ltd371,967$36.3M0.91%+45,045+13.8%Added
Forsta Ap-Fonden366,100$35.7M0.21%+11,200+3.2%Added
Rock Springs Capital Management LP360,250$35.2M2.06%+5,250+1.5%Added
NS Partners Ltd358,366$35.0M1.35%−285−0.1%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys355,823$34.7M0.17%−7,019−1.9%Reduced
Cullen/Frost Bankers, Inc.355,369$34.7M0.40%−5,633−1.6%Reduced
Suvretta Capital Management, LLC353,561$34.5M1.05%00.0%Unchanged
Los Angeles Capital Management LLC352,414$34.4M0.12%−291,906−45.3%Reduced
US Bancorp349,401$34.1M0.04%−4,444−1.3%Reduced
Rockefeller Capital Management L.P.348,841$34.1M0.07%+123,185+54.6%Added
Formuepleje A/S342,537$33.4M1.89%−39,974−10.5%Reduced
Picton Mahoney Asset Management340,103$33.2M0.42%+7,734+2.3%Added
Flputnam Investment Management Co336,059$32.8M0.49%+236,586+237.8%Added
Mediolanum International Funds Ltd336,994$32.7M0.34%−189,000−35.9%Reduced
Aquatic Capital Management LLC331,100$32.3M0.60%+331,100New
Creative Planning329,484$32.2M0.02%+55,800+20.4%Added
Capital International Sarl328,291$32.1M0.55%−8,341−2.5%Reduced
Intech Investment Management LLC323,934$31.6M0.28%−68,667−17.5%Reduced
Gabelli Funds LLC322,121$31.4M0.21%−1,500−0.5%Reduced
Daiwa Securities Group Inc.319,015$31.1M0.11%+47,075+17.3%Added
Retirement Systems of Alabama316,084$30.9M0.10%−1,377−0.4%Reduced
Banque Pictet & Cie SA312,443$30.5M0.31%−28,136−8.3%Reduced
IFM Investors Pty Ltd310,126$30.4M0.27%+6,109+2.0%Added
Perceptive Advisors LLC310,000$30.3M0.87%+30,000+10.7%Added
J. Safra Sarasin Holding AG306,758$29.9M0.48%+106,109+52.9%Added
Twinbeech Capital LP305,158$29.8M1.18%+305,158New
Fifth Third Bancorp304,656$29.7M0.10%+8,610+2.9%Added
Mirae Asset Global ETFs Holdings Ltd.304,650$29.7M0.05%−22,530−6.9%Reduced
Jefferies Financial Group Inc.302,499$29.5M0.27%+44,860+17.4%Added
Integral Health Asset Management, LLC300,000$29.3M2.13%−250,000−45.5%Reduced
LGT Group Foundation304,892$29.2M0.33%−3,616−1.2%Reduced
Amalgamated Bank297,751$29.1M0.21%−3,248−1.1%Reduced
Janney Montgomery Scott LLC295,953$28.9M0.07%−2,007−0.7%Reduced
Eastern Bank293,178$28.6M0.51%+24,600+9.2%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund290,370$28.3M0.24%+2,412+0.8%Added
O'Shaughnessy Asset Management, LLC290,085$28.3M0.17%+8,312+2.9%Added
Baird Financial Group, Inc.288,983$28.2M0.05%+15,449+5.6%Added
Osterweis Capital Management Inc284,202$27.7M1.25%+994+0.4%Added
Quantbot Technologies LP281,382$27.5M0.75%+117,637+71.8%Added
Susquehanna Portfolio Strategies, LLC280,217$27.4M0.43%+280,217New
ProShare Advisors LLC280,148$27.4M0.06%−6,577−2.3%Reduced
Diamond Hill Capital Management Inc278,071$27.1M0.13%−53,200−16.1%Reduced
Comerica Bank277,899$27.1M0.10%−4,223−1.5%Reduced
Kepler Cheuvreux (Suisse) SA276,126$27.0M1.45%+276,126New
Railway Pension Investments Ltd274,100$26.8M0.36%+4,600+1.7%Added
Point72 Hong Kong Ltd271,689$26.5M1.22%+234,224+625.2%Added
Mirae Asset Global Investments Co., Ltd.271,074$26.5M0.08%+28,582+11.8%Added
Varma Mutual Pension Insurance Co270,881$26.4M0.17%+2,700+1.0%Added
Cookson Peirce & Co Inc269,977$26.4M1.08%+7,334+2.8%Added
Sumitomo Mitsui Financial Group, Inc.265,781$25.9M0.46%+30,300+12.9%Added
Nomura Holdings Inc265,412$25.9M0.12%+265,412New
Ilmarinen Mutual Pension Insurance Co263,000$25.7M0.19%00.0%Unchanged
Catalio Capital Management, LP262,972$25.7M4.75%+33,926+14.8%Added
Connor, Clark & Lunn Investment Management Ltd.258,947$25.3M0.08%+256,802+11,972.1%Added
Braun Stacey Associates Inc258,127$25.2M0.83%+2,577+1.0%Added
USS Investment Management Ltd256,881$25.1M0.12%00.0%Unchanged
Bank Julius Baer & Co. Ltd, Zurich253,447$24.7M0.07%−7,376−2.8%Reduced
Xponance, Inc.248,054$24.2M0.19%−9,554−3.7%Reduced