As of November 7, 2026, Boston Scientific Corp. is a publicly traded company (NYSE: BSX); its largest reported holder is Vanguard, with 7.47% on Schedule 13G of April 29, 2026. The largest insider holding is Michael F. Mahoney, the chairman and chief executive, with 1,864,377 shares (0.13% of shares outstanding), per Form 4 of November 6, 2026 (Schedule 13G, April 29, 2026).
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Is Boston Scientific Corp. a real, registered company?
- Boston Scientific Corp files with the SEC under CIK 885725 (its SEC filings).
- Its shares are listed under the ticker BSX on NYSE (SEC company record).
- Incorporated in Delaware; business address in Marlborough, Massachusetts, as its SEC filings state.
- Court and bankruptcy records: see Before you sign or pay below.
Before you sign or pay
- Court and bankruptcy: No federal court case or bankruptcy filing found under BOSTON SCIENTIFIC CORP in our court records and SEC 8-K records (as of 2026-11-07).
- Layoffs: 1 exit or restructuring plan reported on Form 8-K, Item 2.05 (latest filed 2026-07-27).
- Leadership changes: the latest reported is Joe Fitzgerald, Chief Operating Officer (Form 8-K filed 2026-10-07). Check you are dealing with the people now in charge.
- Ownership: 5%+ holders are reported on Schedule 13D or 13G; the latest names Fidelity (FMR) (filed 2026-05-06).
Who are Boston Scientific Corp.'s owners and officers?
Boston Scientific Corp.: incorporated in Delaware; business address in Marlborough, Massachusetts; industry Surgical & Medical Instruments & Apparatus (Form D, 2026-10-07).
| Report | Holder | Share |
|---|---|---|
| Schedule 13G/A, 2026-08-06 | Fmr LLC | 3.1% |
| Schedule 13G/A, 2026-05-06 | Fmr LLC | 5.1% |
| Schedule 13G, 2026-04-29 | Vanguard Capital Management | 7.47% |
| Schedule 13G/A, 2026-03-26 | The Vanguard Group | 0% |
| Schedule 13G/A, 2025-08-06 | Fmr LLC | 7.5% |
Questions about who owns Boston Scientific Corp.
Who owns Boston Scientific Corp.?
On this page, one holder's latest ownership filing reports 5% or more of Boston Scientific Corp.: Vanguard Capital Management (7.47%, Schedule 13G, filed 2026-04-29).
When did Vanguard Capital Management buy into Boston Scientific Corp.?
The filings give report dates, not purchase dates. The earliest filing from Vanguard Capital Management on this page is the Schedule 13G, filed 2026-04-29, reporting 7.47%.
Is this an audit or a full list?
Neither. The ownership list on this page covers only Schedule 13D and 13G filings, which holders make once they own 5% or more of a class of shares (an amendment can report a stake that has since fallen below 5%); 5 such filings are shown here. It is not an audit and not a full cap table: holders who never reached 5% are not listed, and a stake can change after its latest filing.
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| Filed | Person | Role | Change | Effective |
|---|---|---|---|---|
| Form 8-K, 2026-10-07 | Joe Fitzgerald | Chief Operating Officer | appointed | 2027-01-01 |
| Form 8-K, 2026-10-07 | Emily Woodworth | Senior Vice President, Global Finance Controller and Finance | appointed | 2027-03-01 |
| Form 8-K, 2026-10-07 | Mark Bickel | Chief Accounting Officer | appointed | 2027-03-01 |
| Form 8-K, 2026-09-23 | Arthur C. Butcher | Executive Vice President | departed | 2027-01-01 |
Which insiders own Boston Scientific Corp. shares?
Directors, officers and holders of 10% or more report their shares on Forms 3, 4 and 5. Each line is the latest such report, largest holding first.
- , the chairman and chief executive: 1,864,377 shares (0.13% of shares outstanding), 1,590,024 held directly and 274,353 indirectly (Form 4, 2026-11-06).
- , the president and executive vice president: 283,339 shares (0.02% of shares outstanding), 213,907 held directly and 69,432 indirectly (Form 4, 2026-08-03).
- , the chief financial officer and executive vice president: 225,808 shares (0.02% of shares outstanding) (Form 4, 2025-02-19).
- , the president and executive vice president: 77,115 shares (0.01% of shares outstanding), 56,887 held directly and 20,228 indirectly (Form 4, 2026-05-04).
- , a director: 54,723 shares (0.00% of shares outstanding) (Form 4, 2025-05-09).
Shares outstanding: 1,449,473,222 as of 2026-10-29, from the company's latest SEC cover page.
How much has Boston Scientific Corp. raised?
No fundraising or offering filing from Boston Scientific Corp. is on file with us.
Red flags found
1 exit or restructuring plan on Form 8-K (latest Form 8-K, 2026-07-27).
Keep reading
More on Boston Scientific Corp. and the records around it.
Boston Scientific Corp. elsewhere on the record
- Leadership changes Sep 2026
- Layoff notices Jul 2026
Companies that share a holder
- FMR LLC also filed stake reports on 761 other companies: ASPEN NEUROSCIENCE INC (Nov 2026), AVALO THERAPEUTICS INC (Nov 2026), BRAZE INC (Nov 2026)
- Vanguard Capital Management also filed stake reports on 1495 other companies: A10 Networks Inc (Oct 2026), Altisource Portfolio Solutions SA (Oct 2026), Alto Neuroscience Inc (Oct 2026)
- The Vanguard Group also filed stake reports on 2384 other companies: BellRing Brands, Inc. (Sep 2026), CAL-MAINE FOODS INC (Sep 2026), FTAI Aviation Ltd. (Sep 2026)
Related pages
LayoffsLeadership changes5%+ holders
Filings, cases and notices link to their records. A not-found line names the records searched; it is not proof of absence.
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