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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, Q1 2021

Institutional positions in Boston Scientific Corp as of Mar 31, 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
836
No complete 13F data for Q4 2020
Shares held
1.30B
No complete 13F data for Q4 2020
Total value
$49.9B
No complete 13F data for Q4 2020

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 2021: 836 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 heldQ1 2021: $49.9B
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, Q1 2021

Shares, value and share of portfolio for each institution holding Boston Scientific Corp.

Livermore's 13F data starts with Q1 2021, so Q1 2021 has no change from the previous quarter.

Institutions holding BSX in Q1 2021
InstitutionSharesValue% of portfolioChange in sharesAction
RE Advisers Corp1,300,026$50.2M1.20%––
Factory Mutual Insurance Co1,277,978$49.4M0.63%––
Bank of Montreal1,247,779$48.3M0.03%––
Diamond Hill Capital Management Inc1,204,804$46.6M0.19%––
Toronto Dominion Bank1,197,147$46.3M0.08%––
Ensign Peak Advisors, Inc1,191,098$46.0M0.10%––
HealthCor Management, L.P.1,174,820$45.4M1.69%––
Two Sigma Advisers, LP1,171,660$45.3M0.12%––
Allianz Asset Management GmbH1,143,038$44.2M0.04%––
Prio Wealth Limited Partnership1,136,121$43.9M1.58%––
Nicholas Company, Inc.1,122,050$43.4M0.81%––
BNP PARIBAS ASSET MANAGEMENT Holding S.A.1,081,234$41.8M0.17%––
MUFG Securities EMEA plc1,049,318$40.6M0.35%––
Aviva PLC1,014,071$39.2M0.19%––
Calamos Advisors LLC1,010,508$39.1M0.23%––
Great West Life Assurance Co993,551$38.2M0.09%––
Bridgewater Associates, LP975,131$37.7M0.33%––
Chevy Chase Trust Holdings, Inc.954,463$36.9M0.13%––
Tocqueville Asset Management L.P.953,671$36.9M0.57%––
Public Employees Retirement System of Ohio908,743$35.1M0.14%––
Great Lakes Advisors, LLC898,529$34.7M0.56%––
State of New Jersey Common Pension Fund D857,134$33.1M0.12%––
Mitsubishi UFJ Trust & Banking Corp857,756$33.1M0.07%––
DnB Asset Management AS850,966$32.9M0.24%––
Citadel Advisors LLC834,213$32.2M0.03%––
Gateway Investment Advisers LLC801,759$31.0M0.34%––
Jennison Associates LLC801,037$31.0M0.02%––
Rock Springs Capital Management LP800,000$30.9M0.67%––
AQR Capital Management LLC783,754$30.3M0.05%––
Hardman Johnston Global Advisors LLC783,420$30.3M0.86%––
First Trust Advisors LP772,546$29.9M0.04%––
State of Tennessee, Treasury Department770,994$29.8M0.12%––
Envestnet Asset Management Inc761,431$29.4M0.02%––
Nomura Asset Management Co Ltd740,946$28.6M0.18%––
Storebrand Asset Management AS729,784$28.2M0.15%––
Sirios Capital Management L P714,854$27.6M2.33%––
Teachers Retirement System of the State of Kentucky709,534$27.4M0.27%––
Asset Management One Co.,Ltd.702,367$27.1M0.11%––
Taurus Asset Management, LLC675,963$26.1M3.02%––
Rhenman & Partners Asset Management AB670,000$25.9M1.81%––
Pictet & Cie (Europe) SA665,461$25.7M1.03%––
Partners Capital Investment Group, LLP658,698$25.5M1.12%––
Robeco Schweiz AG657,965$25.4M0.39%––
Macquarie Group Ltd654,868$25.3M0.04%––
Samlyn Capital, LLC654,428$25.3M0.38%––
Schonfeld Strategic Advisors LLC643,767$24.9M0.33%––
AMP Capital Investors Ltd640,233$24.8M0.12%––
Fir Tree Capital Management LP626,024$24.2M1.01%––
First Manhattan Co624,992$24.2M0.10%––
American Century Companies Inc624,299$24.1M0.02%––
Treasurer of the State of North Carolina617,144$23.9M0.15%––
Millennium Management LLC615,955$23.8M0.03%––
First Republic Investment Management, Inc.595,552$23.0M0.07%––
Northwestern Mutual Wealth Management Co592,286$22.9M0.05%––
Vontobel Holding Ltd.590,262$22.8M0.17%––
Kornitzer Capital Management Inc582,650$22.5M0.36%––
Natixis Advisors, L.P.578,880$22.4M0.12%––
DekaBank Deutsche Girozentrale574,970$22.3M0.07%––
ZWJ Investment Counsel Inc573,047$22.1M1.36%––
Two Sigma Investments, LP568,442$22.0M0.07%––
Moore Capital Management, LP556,409$21.5M0.42%––
Tiaa, FSB534,835$20.7M0.07%––
Royal London Asset Management Ltd534,735$20.7M0.09%––
Voya Investment Management LLC529,318$20.5M0.04%––
Westpac Banking Corp527,697$20.4M0.23%––
TD Asset Management Inc524,011$20.3M0.02%––
Fifth Third Bancorp517,218$20.0M0.09%––
Atalanta Sosnoff Capital, LLC517,155$20.0M0.49%––
Cullen/Frost Bankers, Inc.506,632$19.6M0.43%––
Jane Street Group, LLC501,033$19.4M0.05%––
Mitsubishi UFJ Kokusai Asset Management Co., Ltd.494,091$19.1M0.13%––
Fjarde Ap-Fonden /Fourth Swedish National Pension Fund491,485$19.0M0.17%––
Susquehanna International Group, LLP484,910$18.7M0.02%––
Manning & Napier Group, LLC460,599$17.8M0.15%––
Fred Alger Management, LLC455,125$17.6M0.05%––
Associated Banc-Corp533,078$17.4M1.08%––
1832 Asset Management L.P.432,737$16.9M0.04%––
Guggenheim Capital LLC428,671$16.6M0.11%––
Schroder Investment Management Group425,673$16.5M0.02%––
Worldquant Millennium Advisors LLC425,095$16.4M0.35%––
American International Group, Inc.419,286$16.2M0.07%––
Banque Pictet & Cie SA413,717$16.0M0.20%––
Marshall Wace, LLP409,374$15.8M0.08%––
Victory Capital Management Inc408,161$15.8M0.02%––
BNP Paribas Arbitrage, SA406,397$15.7M0.03%––
Cinctive Capital Management LP406,374$15.7M1.00%––
Arizona State Retirement System403,521$15.6M0.14%––
Nexus Investment Management ULC401,475$15.5M1.77%––
Russell Investments Group, Ltd.400,891$15.5M0.03%––
Welch & Forbes LLC399,320$15.4M0.29%––
Raymond James Financial Services Advisors, Inc.399,302$15.4M0.03%––
MAI Capital Management397,471$15.4M0.35%––
Putnam Investments LLC395,323$15.3M0.03%––
Criteria Caixa, S.A.U.390,196$15.1M2.44%––
British Columbia Investment Management Corp389,828$15.1M0.11%––
Lockheed Martin Investment Management Co388,782$15.0M0.77%––
Sector Gamma AS381,536$14.7M2.70%––
NS Partners Ltd373,135$14.4M0.84%––
Healthcare of Ontario Pension Plan Trust Fund362,535$14.0M0.04%––
Zurcher Kantonalbank (Zurich Cantonalbank)361,380$14.0M0.08%––