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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, Q3 2021

Institutional positions in Boston Scientific Corp as of Sep 30, 2021. 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
884
+20 vs. Q2 2021
Shares held
1.30B
+14.5M (+1.1%) vs. Q2 2021
Total value
$56.6B
+$1.44B (+2.6%) vs. Q2 2021
New holders
82
344 more added
Sold out
62
287 more reduced

9 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q2 2021: 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 2021: 884 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 heldQ3 2021: $56.6B
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, Q3 2021

Shares, value and share of portfolio for each institution holding Boston Scientific Corp; share changes are against Q2 2021.

Institutions holding BSX in Q3 2021
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock Inc.122,400,261$5.31B0.15%+4,557,618+3.9%Added
Vanguard Group Inc111,212,803$4.83B0.12%+1,077,710+1.0%Added
FMR LLC107,598,578$4.67B0.37%+4,293,223+4.2%Added
Wellington Management Group LLP83,830,670$3.64B0.62%−5,123,566−5.8%Reduced
Massachusetts Financial Services Co83,795,622$3.64B1.06%−627,678−0.7%Reduced
State Street Corp62,550,166$2.71B0.14%+677,714+1.1%Added
Janus Henderson Group PLC49,921,505$2.17B0.95%−1,863,770−3.6%Reduced
Primecap Management Co39,607,309$1.72B1.21%−413,136−1.0%Reduced
JPMorgan Chase & Co37,387,665$1.62B0.22%−2,181,758−5.5%Reduced
Bollard Group LLC27,156,913$1.18B38.60%−2,628,079−8.8%Reduced
Geode Capital Management, LLC21,978,835$950.7M0.13%+766,495+3.6%Added
Artisan Partners Limited Partnership20,994,704$911.0M1.12%−1,506,329−6.7%Reduced
Goldman Sachs Group Inc16,287,048$706.7M0.18%+885,503+5.7%Added
Parnassus Investments15,676,957$680.2M1.43%+564,197+3.7%Added
Bank of New York Mellon Corp14,774,875$641.1M0.13%−81,124−0.5%Reduced
Farallon Capital Management, L.L.C.14,002,581$607.6M3.26%+1,285,962+10.1%Added
Northern Trust Corp13,928,847$604.4M0.11%−82,570−0.6%Reduced
Norges Bank13,738,346$596.1M0.13%−438,465−3.1%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main12,595,226$546.6M0.88%−2,799,968−18.2%Reduced
Vontobel Asset Management Inc11,775,598$531.6M2.99%−773,964−6.2%Reduced
Bank of America Corp10,915,793$473.6M0.05%+57,728+0.5%Added
Legal & General Group Plc10,274,416$445.8M0.14%+551,217+5.7%Added
Lazard Asset Management LLC9,722,386$421.9M0.48%+14,004+0.1%Added
Standard Life Aberdeen plc8,910,717$391.8M0.88%−533,988−5.7%Reduced
Nuveen Asset Management, LLC8,477,333$367.8M0.12%−2,009,244−19.2%Reduced
Two Sigma Advisers, LP8,081,560$350.7M0.91%+2,483,000+44.4%Added
Wells Fargo & Company7,860,272$341.1M0.08%+348,398+4.6%Added
Amundi7,784,279$337.8M0.24%+1,498,957+23.8%Added
Newport Trust Co7,658,653$332.3M0.90%−236,086−3.0%Reduced
Charles Schwab Investment Management Inc7,359,880$319.3M0.10%+709,180+10.7%Added
Canada Pension Plan Investment Board7,271,901$315.5M0.36%+603,112+9.0%Added
Invesco Ltd.7,175,500$311.3M0.08%−105,532−1.4%Reduced
Citigroup Inc7,025,697$304.8M0.31%+4,384,714+166.0%Added
Viking Global Investors LPSuperinvestorViking Global Investors6,866,405$297.9M0.82%−6,449,411−48.4%Reduced
UBS Asset Management Americas Inc6,358,324$275.9M0.11%−360,758−5.4%Reduced
FIL Ltd6,206,437$269.3M0.30%+2,176,240+54.0%Added
Price T Rowe Associates Inc5,835,279$253.2M0.02%−390,328−6.3%Reduced
OrbiMed Advisors LLC5,833,600$253.1M2.81%−1,087,000−15.7%Reduced
Deutsche Bank AG5,651,568$245.2M0.12%+2,616,068+86.2%Added
Swiss National Bank5,623,080$244.0M0.16%−155,500−2.7%Reduced
Marshall Wace North America L.P.5,446,332$236.3M1.01%−413,523−7.1%Reduced
Morgan Stanley4,775,154$207.2M0.03%+167,459+3.6%Added
UBS Group AG4,762,213$206.6M0.09%+488,690+11.4%Added
Citadel Advisors LLC4,733,806$205.4M0.23%−747,071−13.6%Reduced
Two Sigma Investments, LP4,653,517$201.9M0.54%+180,634+4.0%Added
Jarislowsky, Fraser Ltd4,424,532$192.0M0.93%−79,147−1.8%Reduced
Neuberger Berman Group LLC4,392,223$190.0M0.17%−1,759,003−28.6%Reduced
Prudential Financial Inc4,373,324$189.8M0.26%+875,466+25.0%Added
Assenagon Asset Management S.A.4,235,717$183.8M0.76%+740,282+21.2%Added
SEI Investments Co4,199,442$182.2M0.38%−501,007−10.7%Reduced
Pictet Asset Management SA4,131,438$179.3M0.20%+4,131,438New
DSM Capital Partners LLC4,125,805$179.1M1.86%+501,060+13.8%Added
Sumitomo Mitsui Trust Holdings, Inc.4,068,433$176.5M0.11%−235,119−5.5%Reduced
Parametric Portfolio Associates LLC4,032,983$175.0M0.10%+261,630+6.9%Added
Eaton Vance Management3,959,617$171.1M0.24%−161,891−3.9%Reduced
Novo Holdings A/S3,463,577$150.3M7.77%+3,463,577New
Millennium Management LLC3,352,148$145.4M0.19%+2,414,437+257.5%Added
Caisse de Depot Et Placement du Quebec3,299,800$143.2M0.31%−445,600−11.9%Reduced
Fisher Asset Management, LLC3,279,481$142.3M0.09%+131,038+4.2%Added
California Public Employees Retirement System3,153,866$136.8M0.10%−32,783−1.0%Reduced
New York State Common Retirement Fund3,053,751$132.5M0.14%−115,825−3.7%Reduced
Ownership Capital B.V.3,017,139$130.9M1.48%−3,128,779−50.9%Reduced
Bellevue Group AG2,967,127$128.7M1.31%+640,340+27.5%Added
Dimensional Fund Advisors LP2,965,200$128.7M0.04%−2,626−0.1%Reduced
Barclays PLC2,821,145$122.4M0.09%+703,594+33.2%Added
Holocene Advisors, LP2,720,185$118.0M0.68%+77,740+2.9%Added
Omers Administration Corp2,662,611$115.5M1.68%+2,662,611New
TCW Group Inc2,606,842$113.1M0.99%−17,406−0.7%Reduced
Rhumbline Advisers2,470,745$107.2M0.15%−79,749−3.1%Reduced
California State Teachers Retirement System2,465,916$107.0M0.14%−32,061−1.3%Reduced
Boston Partners2,446,508$106.2M0.13%+66,818+2.8%Added
Raymond James & Associates2,406,221$104.4M0.09%+61,808+2.6%Added
Royal Bank of Canada2,403,517$104.3M0.03%−288,887−10.7%Reduced
KBC Group NV2,381,239$103.3M0.38%+280,858+13.4%Added
Mirae Asset Global Investments Co., Ltd.2,349,324$101.9M0.26%+867,003+58.5%Added
State of Wisconsin Investment Board2,302,201$99.9M0.21%−93,900−3.9%Reduced
Marshall Wace Asia Ltd2,190,737$95.1M2.25%+920,459+72.5%Added
Balyasny Asset Management LLC2,155,328$93.5M0.45%+423,352+24.4%Added
Glenview Capital Management, LLC2,063,297$89.5M1.63%−259,719−11.2%Reduced
National Pension Service2,024,917$87.9M0.17%+13,705+0.7%Added
Westfield Capital Management Co LP2,002,229$86.9M0.52%+162,486+8.8%Added
Polar Capital Holdings Plc1,965,487$85.3M0.47%+1,465,651+293.2%Added
Hotchkis & Wiley Capital Management LLC1,956,000$84.9M0.27%−7,400−0.4%Reduced
Bank of Montreal1,919,605$84.6M0.04%+190,182+11.0%Added
Credit Suisse AG1,942,276$84.3M0.07%+88,002+4.7%Added
Public Employees Retirement Association of Colorado1,919,033$83.3M0.37%−37,262−1.9%Reduced
Alliancebernstein L.P.1,884,572$81.8M0.03%+83,571+4.6%Added
Ensign Peak Advisors, Inc1,838,293$79.8M0.17%+659,331+55.9%Added
Ameriprise Financial Inc1,829,043$79.4M0.03%−252,776−12.1%Reduced
Korea Investment CORP1,819,507$78.9M0.24%−2,105−0.1%Reduced
AXA S.A.1,757,866$76.3M0.21%+242,976+16.0%Added
Ci Investments Inc.1,756,873$76.2M0.28%−22,814−1.3%Reduced
Skandinaviska Enskilda Banken AB (publ)1,726,028$74.9M0.41%+1,359,727+371.2%Added
Principal Financial Group Inc1,709,262$74.2M0.05%+888+0.1%Added
HealthCor Management, L.P.1,707,681$74.1M3.22%+497,111+41.1%Added
State Board of Administration of Florida Retirement System1,682,785$73.0M0.14%−45,489−2.6%Reduced
BNP PARIBAS ASSET MANAGEMENT Holding S.A.1,590,652$69.0M0.26%+246,918+18.4%Added
Anchor Capital Advisors LLC1,581,571$68.6M1.42%−29,269−1.8%Reduced
Locust Wood Capital Advisers, LLC1,561,941$67.8M4.30%−148,093−8.7%Reduced
New York State Teachers Retirement System1,556,690$67.5M0.14%−29,519−1.9%Reduced