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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; 1,487 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, Q2 2025

Institutional positions in Boston Scientific Corp as of Jun 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
1,693
+64 vs. Q1 2025
Shares held
1.35B
+15.0M (+1.1%) vs. Q1 2025
Total value
$145.4B
+$10.4B (+7.7%) vs. Q1 2025
New holders
155
755 more added
Sold out
91
550 more reduced

19 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 1,693 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: 1,226 institutionsQ2 2024: 1,324 institutionsQ3 2024: 1,402 institutionsQ4 2024: 1,519 institutionsQ1 2025: 1,648 institutionsQ2 2025: 1,693 institutionsQ3 2025: 1,714 institutionsQ4 2025: 1,793 institutionsQ1 2026: 1,683 institutionsQ2 2026: 1,487 institutions
Value heldQ2 2025: $145.4B
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 20261,487$57.3B
Q1 20261,683$84.2B
Q4 20251,793$130.0B
Q3 20251,714$131.1B
Q2 20251,693$145.4B
Q1 20251,648$135.2B
Q4 20241,519$119.8B
Q3 20241,402$111.0B
Q2 20241,324$102.2B
Q1 20241,226$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, Q2 2025

Shares, value and share of portfolio for each institution holding Boston Scientific Corp; share changes are against Q1 2025.

Institutions holding BSX in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
British Columbia Investment Management Corp233,035$25.0M0.15%−48,825−17.3%Reduced
Hardman Johnston Global Advisors LLC233,504$25.1M1.11%−53,750−18.7%Reduced
Achmea Investment Management B.V.234,655$25.2M0.33%+34,600+17.3%Added
Sumitomo Mitsui Financial Group, Inc.235,481$25.3M0.41%+29,839+14.5%Added
Commonwealth Equity Services, LLC237,347$25.5M0.03%−16,017−6.3%Reduced
Dakota Wealth Management238,666$25.6M0.54%+5,701+2.4%Added
Mirae Asset Global Investments Co., Ltd.242,492$26.0M0.09%+26,775+12.4%Added
Utah Retirement Systems242,518$26.0M0.27%−729−0.3%Reduced
Zacks Investment Management246,951$26.5M0.23%+428+0.2%Added
Braun Stacey Associates Inc255,550$27.4M0.99%−9,238−3.5%Reduced
USS Investment Management Ltd256,881$27.6M0.17%+2,383+0.9%Added
Xponance, Inc.257,608$27.7M0.23%+39,769+18.3%Added
Jefferies Financial Group Inc.257,639$27.7M0.46%+168,761+189.9%Added
Bank Julius Baer & Co. Ltd, Zurich260,823$28.0M0.08%−16,902−6.1%Reduced
Cookson Peirce & Co Inc262,643$28.2M1.24%−373−0.1%Reduced
Ilmarinen Mutual Pension Insurance Co263,000$28.2M0.23%00.0%Unchanged
Tiaa Trust, National Association263,176$28.3M0.07%+31,458+13.6%Added
Ethic Inc.268,319$28.6M0.51%−529−0.2%Reduced
Varma Mutual Pension Insurance Co268,181$28.8M0.21%−10,900−3.9%Reduced
Eastern Bank268,578$28.8M0.55%+59,385+28.4%Added
Railway Pension Investments Ltd269,500$28.9M0.41%−7,000−2.5%Reduced
Daiwa Securities Group Inc.271,940$29.2M0.11%+26,891+11.0%Added
Baird Financial Group, Inc.273,534$29.4M0.05%+32,417+13.4%Added
Creative Planning273,684$29.4M0.03%+15,673+6.1%Added
Walleye Capital LLC279,804$30.1M0.28%−72,410−20.6%Reduced
Perceptive Advisors LLC280,000$30.1M1.13%+150,000+115.4%Added
Dana Investment Advisors, Inc.280,572$30.1M1.00%−28,965−9.4%Reduced
O'Shaughnessy Asset Management, LLC281,773$30.3M0.21%+19,276+7.3%Added
Comerica Bank282,122$30.3M0.12%−6,634−2.3%Reduced
Parkman Healthcare Partners LLC283,166$30.4M3.52%+57,176+25.3%Added
Osterweis Capital Management Inc283,208$30.4M1.46%+3,865+1.4%Added
ProShare Advisors LLC286,725$30.8M0.06%+49,430+20.8%Added
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund287,958$30.9M0.29%+55,800+24.0%Added
Congress Wealth Management LLC289,421$31.1M0.30%+48,132+19.9%Added
La Banque Postale Asset Management SA290,276$31.2M0.44%+108,205+59.4%Added
Rhenman & Partners Asset Management AB296,000$31.8M4.02%−4,000−1.3%Reduced
Fifth Third Bancorp296,046$31.8M0.11%+24,557+9.0%Added
Janney Montgomery Scott LLC297,960$32.0M0.08%+12,497+4.4%Added
Susquehanna International Group, LLP298,887$32.1M0.05%+166,984+126.6%Added
Mariner, LLC300,755$32.3M0.05%+56,113+22.9%Added
Amalgamated Bank300,999$32.3M0.25%+8,559+2.9%Added
IFM Investors Pty Ltd304,017$32.7M0.31%+19,673+6.9%Added
Woodline Partners LP307,663$33.0M0.17%−100,223−24.6%Reduced
LGT Group Foundation308,508$33.1M0.42%−2,903−0.9%Reduced
Retirement Systems of Alabama317,461$34.1M0.12%+751+0.2%Added
Avidity Partners Management LP321,800$34.6M6.93%−14,200−4.2%Reduced
Colony Group, LLC323,278$34.7M0.08%−42,966−11.7%Reduced
Gabelli Funds LLC323,621$34.8M0.25%+1500.0%Added
Jane Street Group, LLC326,671$35.1M0.06%−73,846−18.4%Reduced
Mirae Asset Global ETFs Holdings Ltd.327,180$35.1M0.07%−4,918−1.5%Reduced
Dai-Ichi Life Insurance Company, Ltd326,922$35.1M0.99%−25,993−7.4%Reduced
Diamond Hill Capital Management Inc331,271$35.6M0.16%−61,108−15.6%Reduced
Picton Mahoney Asset Management332,369$35.7M0.50%+37,904+12.9%Added
Capital International Sarl336,632$36.2M0.69%+18,821+5.9%Added
HRT Financial LP337,270$36.2M0.16%+142,491+73.2%Added
Banque Pictet & Cie SA340,579$36.6M0.38%+66,004+24.0%Added
Quantinno Capital Management LP343,885$36.9M0.16%+106,715+45.0%Added
Cetera Investment Advisers348,145$37.4M0.06%+13,412+4.0%Added
Suvretta Capital Management, LLC353,561$38.0M1.43%+91,462+34.9%Added
US Bancorp353,845$38.0M0.05%+2,327+0.7%Added
Forsta Ap-Fonden354,900$38.1M0.25%−46,600−11.6%Reduced
Rock Springs Capital Management LP355,000$38.1M2.38%+78,000+28.2%Added
NS Partners Ltd358,651$38.5M1.57%−9,538−2.6%Reduced
Formuepleje A/S382,511$38.6M2.20%00.0%Unchanged
Cullen/Frost Bankers, Inc.361,002$38.8M0.49%+203+0.1%Added
Czech National Bank361,629$38.8M0.30%+23,011+6.8%Added
Commonwealth of Pennsylvania Public School Empls Retrmt Sys362,842$39.0M0.21%+25,797+7.7%Added
Associated Banc-Corp372,060$40.0M1.13%−2,821−0.8%Reduced
Main Street Research LLC381,293$41.0M2.55%+8,518+2.3%Added
Nisa Investment Advisors, LLC383,813$41.2M0.19%−22,142−5.5%Reduced
MetLife Investment Management388,493$41.7M0.25%+5,777+1.5%Added
Intech Investment Management LLC392,601$42.2M0.40%+10,436+2.7%Added
State of Michigan Retirement System402,308$43.2M0.22%+2,500+0.6%Added
Oddo BHF Asset Management SAS413,604$44.4M1.69%+14,384+3.6%Added
Bowen Hanes & Co Inc414,280$44.5M1.12%+8,220+2.0%Added
E. Ohman J:or Asset Management AB414,316$44.5M1.10%+42,616+11.5%Added
Meridiem Capital Partners LP426,319$45.8M3.30%+296,129+227.5%Added
First Trust Advisors LP429,637$46.1M0.04%−188,265−30.5%Reduced
Sofinnova Investments, Inc.431,200$46.3M3.15%+431,200New
Arizona State Retirement System432,395$46.4M0.27%−22,905−5.0%Reduced
DnB Asset Management AS441,574$47.4M0.20%−33,954−7.1%Reduced
Cubist Systematic Strategies, LLC451,960$48.5M0.53%−377,032−45.5%Reduced
ASR Vermogensbeheer N.V.454,047$48.8M0.63%+1,770+0.4%Added
Polar Capital Holdings Plc454,257$48.8M0.26%−16,856−3.6%Reduced
Tocqueville Asset Management L.P.475,195$51.0M0.78%−16,802−3.4%Reduced
Anchor Capital Advisors LLC481,206$51.7M1.52%−15,155−3.1%Reduced
Hudson Bay Capital Management LP484,000$52.0M0.34%+484,000New
Natixis490,086$52.6M0.26%−62,405−11.3%Reduced
Resona Asset Management Co.,Ltd.494,097$53.0M0.26%+24,919+5.3%Added
State of New Jersey Common Pension Fund D496,086$53.3M0.21%+555+0.1%Added
Erste Asset Management GmbH516,663$55.3M0.46%+229,053+79.6%Added
Mediolanum International Funds Ltd525,994$56.0M0.67%+103,124+24.4%Added
Saudi Central Bank539,423$57.9M2.36%+538,843+92,904.0%Added
Harvest Portfolios Group Inc.549,602$59.0M1.37%+6,234+1.1%Added
Integral Health Asset Management, LLC550,000$59.1M5.52%−100,000−15.4%Reduced
Mn Services Vermogensbeheer B.V.553,000$59.4M0.41%+12,700+2.4%Added
Bradley Foster & Sargent Inc554,424$59.6M0.93%−8,670−1.5%Reduced
Employees Retirement System of Texas559,851$60.1M0.49%−29,649−5.0%Reduced
State of Tennessee, Treasury Department562,611$60.4M0.22%+64,742+13.0%Added
Thrivent Financial for Lutherans564,839$60.6M0.13%+19,264+3.5%Added