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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; 1,485 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
1,694
+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
551 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: 1,694 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: 1,485 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 20261,485$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, 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
BlackRock, Inc.146,687,740$15.8B0.30%+5,016,674+3.5%Added
Vanguard Group Inc137,134,110$14.7B0.24%+2,545,381+1.9%Added
FMR LLC108,310,577$11.6B0.66%−20,286,637−15.8%Reduced
State Street Corp65,191,864$7.00B0.26%+713,379+1.1%Added
Primecap Management Co34,662,722$3.72B2.95%−1,834,224−5.0%Reduced
Bank of America Corp33,845,119$3.64B0.29%+2,288,065+7.3%Added
Wellington Management Group LLP32,649,465$3.51B0.64%−548,377−1.7%Reduced
Geode Capital Management, LLC32,424,982$3.47B0.24%+622,602+2.0%Added
Capital World Investors28,524,768$3.06B0.45%−33,953−0.1%Reduced
JPMorgan Chase & Co25,659,722$2.76B0.19%−5,862,792−18.6%Reduced
Morgan Stanley20,263,664$2.18B0.14%+1,226,748+6.4%Added
Bollard Group LLC20,079,443$2.16B49.31%−411,383−2.0%Reduced
Norges Bank19,457,562$2.09B0.26%−512,102−2.6%Reduced
Invesco Ltd.16,851,518$1.81B0.31%+226,578+1.4%Added
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main16,615,529$1.78B1.85%−1,128,735−6.4%Reduced
Northern Trust Corp14,274,448$1.53B0.21%−28,176−0.2%Reduced
Goldman Sachs Group Inc13,934,981$1.50B0.24%+5,1490.0%Added
Massachusetts Financial Services Co12,859,158$1.38B0.44%−3,662,461−22.2%Reduced
UBS Asset Management Americas Inc12,750,070$1.37B0.28%+1,450,128+12.8%Added
Janus Henderson Group PLC12,157,715$1.31B0.64%−1,832,206−13.1%Reduced
UBS Group AG11,504,665$1.24B0.26%+2,224,498+24.0%Added
Bank of New York Mellon Corp11,208,663$1.20B0.23%−545,729−4.6%Reduced
Price T Rowe Associates Inc11,021,280$1.18B0.13%+410,793+3.9%Added
Legal & General Group Plc9,993,286$1.07B0.27%−874,798−8.0%Reduced
Amundi10,199,754$1.06B0.36%−2,108,961−17.1%Reduced
Nuveen, LLC9,456,360$1.02B0.28%+2,461,003+35.2%Added
Voya Investment Management LLC8,746,679$939.0M0.93%+4,789,995+121.1%Added
Charles Schwab Investment Management Inc8,719,911$936.6M0.16%+143,697+1.7%Added
Artisan Partners Limited Partnership8,518,201$914.9M1.36%−1,141,087−11.8%Reduced
Schroder Investment Management Group8,363,057$898.3M0.76%+940,875+12.7%Added
Ameriprise Financial Inc7,786,959$838.1M0.21%−64,744−0.8%Reduced
Fisher Asset Management, LLC7,705,384$827.6M0.33%+939,834+13.9%Added
Franklin Resources Inc7,584,680$814.7M0.22%+135,266+1.8%Added
Deutsche Bank AG7,548,798$810.8M0.30%+2,083,231+38.1%Added
Marshall Wace, LLP7,497,657$805.3M0.96%−450,505−5.7%Reduced
Edgewood Management LLC6,951,450$746.7M2.37%+6,951,450New
D. E. Shaw & Co., Inc.6,755,151$725.6M0.72%+2,916,007+76.0%Added
Lazard Asset Management LLC6,632,760$712.4M0.98%+372,200+5.9%Added
Royal Bank of Canada6,631,061$712.2M0.14%+1,618,799+32.3%Added
Capital Research Global Investors6,609,793$710.0M0.14%+665,827+11.2%Added
Arrowstreet Capital, Limited Partnership6,529,918$701.4M0.50%−224,737−3.3%Reduced
Citadel Advisors LLC5,404,305$580.5M0.50%−29,250−0.5%Reduced
Two Sigma Advisers, LP5,169,960$555.3M1.14%+964,000+22.9%Added
Ninety One UK Ltd5,146,218$552.8M1.30%+1,290,414+33.5%Added
FIL Ltd4,878,946$524.0M0.45%−835,657−14.6%Reduced
Canada Pension Plan Investment Board4,719,646$506.9M0.43%−1,515,917−24.3%Reduced
Qube Research & Technologies Ltd4,679,519$502.6M0.70%+1,719,386+58.1%Added
Swiss National Bank4,477,200$480.9M0.29%+320,400+7.7%Added
Pictet Asset Management Holding SA4,393,459$471.8M0.48%−70,913−1.6%Reduced
Barclays PLC4,367,451$469.1M0.19%−1,168,302−21.1%Reduced
Vontobel Holding Ltd.4,286,905$460.5M1.51%+16,739+0.4%Added
BNP PARIBAS ASSET MANAGEMENT Holding S.A.4,211,660$452.3M1.10%+3,172+0.1%Added
Holocene Advisors, LP4,181,034$449.1M1.11%+2,295,282+121.7%Added
Millennium Management LLC4,636,019$444.2M0.40%−3,708,137−44.4%Reduced
Dimensional Fund Advisors LP4,117,493$442.2M0.10%−543,823−11.7%Reduced
American Century Companies Inc4,083,325$438.6M0.24%+195,947+5.0%Added
Citigroup Inc4,033,057$433.2M0.30%+1,145,088+39.7%Added
Farallon Capital Management, L.L.C.3,981,057$427.6M1.95%+218,300+5.8%Added
Neuberger Berman Group LLC3,961,215$425.5M0.33%+44,274+1.1%Added
Wells Fargo & Company3,708,088$398.3M0.09%+149,530+4.2%Added
Sumitomo Mitsui Trust Holdings, Inc.3,579,659$384.5M0.24%+84,529+2.4%Added
California Public Employees Retirement System3,411,074$366.4M0.23%−151,279−4.2%Reduced
National Pension Service3,375,933$362.6M0.31%−147,209−4.2%Reduced
Axiom Investors LLC3,318,614$356.5M2.92%−1,440,644−30.3%Reduced
Alliancebernstein L.P.3,288,536$353.2M0.12%+251,601+8.3%Added
Agf Management Ltd3,234,622$347.4M1.58%−1,512,670−31.9%Reduced
Robeco Institutional Asset Management B.V.3,145,777$337.9M0.55%+756,199+31.6%Added
Viking Global Investors LPSuperinvestorViking Global Investors3,045,764$327.1M0.95%+669,000+28.1%Added
Bank of Nova Scotia3,025,519$325.0M0.67%+1,559,605+106.4%Added
HSBC Holdings PLC2,923,963$313.7M0.20%−104,679−3.5%Reduced
Bessemer Group Inc2,919,801$313.6M0.51%+2,899,653+14,391.8%Added
BNP Paribas Arbitrage, SA2,872,124$308.5M0.24%−332,100−10.4%Reduced
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.2,828,010$303.8M0.24%+196,498+7.5%Added
Swedbank AB2,819,249$302.8M0.34%+2,819,249New
OrbiMed Advisors LLC2,813,200$302.2M7.60%00.0%Unchanged
Envestnet Asset Management Inc2,804,912$301.3M0.09%+13,947+0.5%Added
Alecta Pensionsforsakring, Omsesidigt2,743,100$294.5M1.38%00.0%Unchanged
Rhumbline Advisers2,737,625$294.0M0.25%−58,819−2.1%Reduced
SurgoCap Partners LP2,724,969$292.7M11.22%+75,000+2.8%Added
AustralianSuper Pty Ltd2,698,855$289.9M1.47%−122,742−4.4%Reduced
Assenagon Asset Management S.A.2,671,517$286.9M0.46%+185,821+7.5%Added
KBC Group NV2,662,573$286.0M0.77%+419,460+18.7%Added
Standard Life Aberdeen plc2,592,454$275.8M0.47%−242,523−8.6%Reduced
SEI Investments Co2,513,464$270.0M0.31%−746,140−22.9%Reduced
AXA S.A.2,511,927$269.8M0.78%+317,311+14.5%Added
Natixis Advisors, L.P.2,504,861$269.0M0.43%+338,446+15.6%Added
Two Sigma Investments, LP2,466,376$264.9M0.48%+25,629+1.1%Added
Point72 Asset Management, L.P.2,460,663$264.3M0.63%+580,128+30.8%Added
Handelsbanken Fonder AB2,380,413$255.7M0.91%−281,890−10.6%Reduced
Raymond James Financial Inc2,377,269$255.3M0.09%+199,932+9.2%Added
California State Teachers Retirement System2,375,918$255.2M0.28%+37,356+1.6%Added
Jarislowsky, Fraser Ltd2,268,973$243.7M1.39%−2,566−0.1%Reduced
Rathbone Brothers plc2,250,448$241.7M1.04%−88,943−3.8%Reduced
Worldquant Millennium Advisors LLC2,225,546$239.0M1.19%+216,841+10.8%Added
TD Asset Management Inc2,180,194$234.2M0.20%+19,270+0.9%Added
Man Group plc2,137,443$229.6M0.50%+1,308,711+157.9%Added
Jennison Associates LLC2,115,002$227.2M0.13%+1,186,949+127.9%Added
New York State Common Retirement Fund2,083,334$223.8M0.30%−20,594−1.0%Reduced
Adage Capital Partners GP, L.L.C.2,055,365$220.8M0.37%−536,748−20.7%Reduced
Stifel Financial Corp2,053,281$220.5M0.21%+65,896+3.3%Added