Who Owns Boston Scientific?
Updated onExplore the ownership hierarchy of Boston Scientific. See parent companies, holding structures, and ultimate controllers.
Ownership Chain
Boston Scientific
Boston Scientific is a publicly traded global medical technology company that develops, manufactures, and markets minimally invasive medical devices used in a wide range of interventional medical specialties.
Boston Scientific appears to be independent with no known parent company.
Boston Scientific
Boston Scientific is a publicly traded global medical technology company that develops, manufactures, and markets minimally invasive medical devices used in a wide range of interventional medical specialties.
Boston Scientific appears to be independent with no known parent company.
Major Shareholders
Boston Scientific
Major Shareholders
| Name | Type | Ownership | Voting | As of |
|---|---|---|---|---|
BlackRock, Inc. Largest institutional shareholder based on reported holdings of approximately 145.18 million BSX shares (Yahoo Finance major holders table). | Institutional | 9.8% | 9.8% | Sep 2025 |
The Vanguard Group, Inc. Second‑largest institutional holder with about 138.25 million BSX shares reported in Q3 2025 filings data. | Institutional | 9.3% | 9.3% | Sep 2025 |
FMR LLC (Fidelity Management & Research) Large asset manager; beneficial owner of roughly 99.48 million BSX shares according to institutional holder disclosures for Q3 2025. | Institutional | 6.7% | 6.7% | Sep 2025 |
State Street Corporation Includes State Street Global Advisors index funds; reported holding about 64.93 million BSX shares as of Q3 2025. | Institutional | 4.4% | 4.4% | Sep 2025 |
JPMorgan Chase & Co. Major U.S. bank and asset manager; holds approximately 56.66 million BSX shares per Q3 2025 institutional ownership reports. | Institutional | 3.8% | 3.8% | Sep 2025 |
Promerica LP Limited partnership identified in SEC insider filings as a significant Boston Scientific shareholder and described by multiple ownership aggregators as holding about 54.6 million BSX shares (~3.7% of outstanding). Exact current filing date for this percentage not clearly disclosed in public summaries. | Institutional | 3.7% | 3.7% | — |
Bank of America Corporation Through Merrill and other investment units, reported owning roughly 33.87 million BSX shares in Q3 2025. | Institutional | 2.3% | 2.3% | Sep 2025 |
PRIMECAP Management Company Active investment manager; beneficial owner of about 33.10 million BSX shares as of the September 30, 2025 reporting date. | Institutional | 2.2% | 2.2% | Sep 2025 |
Geode Capital Management, LLC Index manager affiliated with many Vanguard funds; reported holding approximately 32.69 million BSX shares in Q3 2025. | Institutional | 2.2% | 2.2% | Sep 2025 |
Capital World Investors (Capital Research and Management Company) Part of Capital Group; reported beneficial owner of about 26.65 million BSX shares via its mutual funds. | Institutional | 1.8% | 1.8% | Sep 2025 |
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