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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, Q1 2025

Institutional positions in Boston Scientific Corp as of Mar 31, 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
1,648
+157 vs. Q4 2024
Shares held
1.34B
+12.7M (+1.0%) vs. Q4 2024
Total value
$135.2B
+$16.5B (+13.9%) vs. Q4 2024
New holders
231
667 more added
Sold out
74
555 more reduced

28 institutions that held it in Q4 2024 haven't filed for Q1 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2024: 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 2025: 1,648 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 heldQ1 2025: $135.2B
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 20261,487$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, Q1 2025

Shares, value and share of portfolio for each institution holding Boston Scientific Corp; share changes are against Q4 2024.

Institutions holding BSX in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Erste Asset Management GmbH287,610$28.9M0.37%+47,756+19.9%Added
Hardman Johnston Global Advisors LLC287,254$29.0M1.38%−39,650−12.1%Reduced
Comerica Bank288,756$29.1M0.12%+12,067+4.4%Added
Amalgamated Bank292,440$29.5M0.25%+2,906+1.0%Added
Picton Mahoney Asset Management294,465$29.7M1.02%+13,344+4.7%Added
Rhenman & Partners Asset Management AB300,000$30.3M3.48%−144,000−32.4%Reduced
Dana Investment Advisors, Inc.309,537$31.2M1.12%−29,111−8.6%Reduced
LGT Group Foundation311,411$31.4M0.43%+183,661+143.8%Added
Retirement Systems of Alabama316,710$31.9M0.12%−2,388−0.7%Reduced
Capital International Sarl317,811$32.1M0.73%+42,377+15.4%Added
Gabelli Funds LLC323,471$32.6M0.25%−72,125−18.2%Reduced
Mirae Asset Global ETFs Holdings Ltd.332,098$33.5M0.07%+10,334+3.2%Added
Iron Triangle Partners LP332,167$33.5M5.28%−162,842−32.9%Reduced
Groupe la Francaise335,082$33.6M0.72%+38,701+13.1%Added
Cetera Investment Advisers334,733$33.8M0.07%+15,572+4.9%Added
Jump Financial, LLC335,449$33.8M0.51%+170,472+103.3%Added
Verition Fund Management LLC335,521$33.8M0.19%+314,559+1,500.6%Added
Avidity Partners Management LP336,000$33.9M6.99%−179,000−34.8%Reduced
Commonwealth of Pennsylvania Public School Empls Retrmt Sys337,045$34.0M0.20%+23,665+7.6%Added
Czech National Bank338,618$34.2M0.31%+19,290+6.0%Added
US Bancorp351,518$35.5M0.05%−2,790−0.8%Reduced
Walleye Capital LLC352,214$35.5M0.39%−159,960−31.2%Reduced
Dai-Ichi Life Insurance Company, Ltd352,915$35.6M1.04%−38,889−9.9%Reduced
Cullen/Frost Bankers, Inc.360,799$36.4M0.51%−3,475−1.0%Reduced
Colony Group, LLC366,244$36.9M0.09%−13,072−3.4%Reduced
NS Partners Ltd368,189$37.1M1.63%+5,704+1.6%Added
E. Ohman J:or Asset Management AB371,700$37.5M1.00%−210,245−36.1%Reduced
Main Street Research LLC372,775$37.6M2.46%+365,180+4,808.2%Added
Associated Banc-Corp374,881$37.8M1.15%−48,370−11.4%Reduced
Intech Investment Management LLC382,165$38.6M0.40%+3,558+0.9%Added
Formuepleje A/S382,511$38.6M2.20%−38,526−9.2%Reduced
MetLife Investment Management382,716$38.6M0.21%−7,296−1.9%Reduced
SG Americas Securities, LLC389,893$39.3M0.13%+161,198+70.5%Added
Diamond Hill Capital Management Inc392,379$39.6M0.18%−81,317−17.2%Reduced
Oddo BHF Asset Management SAS399,220$40.3M1.65%−30,313−7.1%Reduced
State of Michigan Retirement System399,808$40.3M0.23%−2000.0%Reduced
Jane Street Group, LLC400,517$40.4M0.07%+347,877+660.9%Added
Forsta Ap-Fonden401,500$40.5M0.31%−7,400−1.8%Reduced
Nisa Investment Advisors, LLC405,955$41.0M0.20%+17,160+4.4%Added
Bowen Hanes & Co Inc406,060$41.0M1.14%+48,995+13.7%Added
Woodline Partners LP407,886$41.1M0.27%−74,567−15.5%Reduced
Mediolanum International Funds Ltd422,870$42.0M0.58%−102,206−19.5%Reduced
Candriam Luxembourg S.C.A.414,812$42.1M0.26%+23,054+5.9%Added
Corebridge Financial, Inc.421,595$42.5M0.24%−19,358−4.4%Reduced
ASR Vermogensbeheer N.V.452,277$45.6M0.68%+452,277New
Arizona State Retirement System455,300$45.9M0.29%+29,318+6.9%Added
Resona Asset Management Co.,Ltd.469,178$47.2M0.27%+34,240+7.9%Added
Polar Capital Holdings Plc471,113$47.5M0.29%−3,567−0.8%Reduced
DnB Asset Management AS475,528$48.0M0.22%+15,256+3.3%Added
Tocqueville Asset Management L.P.491,997$49.6M0.81%−4,915−1.0%Reduced
State of New Jersey Common Pension Fund D495,531$50.0M0.23%−43,505−8.1%Reduced
Anchor Capital Advisors LLC496,361$50.1M1.49%−230,567−31.7%Reduced
State of Tennessee, Treasury Department497,869$50.2M0.19%−51,293−9.3%Reduced
Chicago Capital, LLC497,991$50.2M1.42%+294,515+144.7%Added
Thrivent Financial for Lutherans545,575$54.5M0.12%−3,789−0.7%Reduced
Mn Services Vermogensbeheer B.V.540,300$54.5M0.42%−38,400−6.6%Reduced
Harvest Portfolios Group Inc.543,368$54.8M1.62%−32,607−5.7%Reduced
Natixis552,491$55.4M0.33%+23,477+4.4%Added
ExodusPoint Capital Management, LP561,265$56.6M0.75%+257,901+85.0%Added
Bradley Foster & Sargent Inc563,094$56.8M0.97%−15,843−2.7%Reduced
CIBC World Markets Corp577,774$58.3M0.46%−54,745−8.7%Reduced
KLP Kapitalforvaltning AS587,756$59.3M0.29%−7,900−1.3%Reduced
Employees Retirement System of Texas589,500$59.5M0.54%−6,800−1.1%Reduced
Munro Partners602,455$60.8M2.89%−315,770−34.4%Reduced
ZWJ Investment Counsel Inc603,631$60.9M2.48%−13,673−2.2%Reduced
Gateway Investment Advisers LLC603,863$60.9M0.70%+3,838+0.6%Added
Acadian Asset Management LLC606,229$61.1M0.17%+492,891+434.9%Added
First Trust Advisors LP617,902$62.3M0.06%+105,982+20.7%Added
Nicholas Company, Inc.627,158$63.3M1.10%−85,048−11.9%Reduced
Integral Health Asset Management, LLC650,000$65.6M7.26%+100,000+18.2%Added
Renaissance Technologies LLC651,553$65.7M0.10%+651,553New
Treasurer of the State of North Carolina672,465$67.8M0.27%+6,975+1.0%Added
Public Employees Retirement System of Ohio672,807$67.9M0.25%−8,685−1.3%Reduced
Fullerton Fund Management Co Ltd.678,851$68.5M4.40%−874,305−56.3%Reduced
Aviva PLC682,946$68.9M0.17%+132,211+24.0%Added
Royal London Asset Management Ltd709,741$71.6M0.17%+77,280+12.2%Added
Tredje AP-fonden716,992$72.3M0.68%−72,819−9.2%Reduced
Asset Management One Co.,Ltd.735,200$74.2M0.26%+39,076+5.6%Added
Atalanta Sosnoff Capital, LLC742,656$74.9M1.79%+1,850+0.2%Added
Northwestern Mutual Wealth Management Co749,398$75.6M0.06%+31,179+4.3%Added
Mackenzie Financial Corp771,339$77.8M0.11%−182,036−19.1%Reduced
Chevy Chase Trust Holdings, Inc.773,165$78.0M0.25%−455−0.1%Reduced
Mitsubishi UFJ Trust & Banking Corp790,045$79.7M0.21%−53,248−6.3%Reduced
Victory Capital Management Inc805,696$81.3M0.08%+293,928+57.4%Added
Public Sector Pension Investment Board813,399$82.1M0.36%−282,872−25.8%Reduced
Banque Transatlantique SA818,928$82.6M2.50%+167,069+25.6%Added
Man Group plc828,732$83.6M0.25%+557,673+205.7%Added
Castle Hook Partners LP828,906$83.6M2.20%+66,833+8.8%Added
Cubist Systematic Strategies, LLC828,992$83.6M1.10%+731,023+746.2%Added
1832 Asset Management L.P.848,147$85.6M0.16%+84,585+11.1%Added
Ossiam848,667$85.6M1.20%+51,881+6.5%Added
Lansforsakringar Fondforvaltning AB (publ)859,556$86.7M0.53%−7,527−0.9%Reduced
National Bank of Canada867,197$87.5M0.10%+255,916+41.9%Added
Teacher Retirement System of Texas871,649$87.9M0.37%+177,708+25.6%Added
State of Wisconsin Investment Board882,913$89.1M0.23%+6,098+0.7%Added
Toronto Dominion Bank886,440$89.4M0.23%+89,491+11.2%Added
Danske Bank A/S896,443$90.4M0.28%+165,101+22.6%Added
APG Asset Management N.V.975,266$91.1M0.28%−45,951−4.5%Reduced
Jennison Associates LLC928,053$93.6M0.07%−1,014,902−52.2%Reduced
Calamos Advisors LLC969,968$97.9M0.46%−57,089−5.6%Reduced