Boston Scientific BSX
Boston Scientific is the 186th largest S&P 500 company by market cap, worth $66.2 billion. 10 directors have filed with the SEC in the last 12 months (who counts), 1 of them an executive. 7 other officers are on file. At 30 Jun 2026, Vanguard was its largest institutional holder, with 9.6% of the company.
- Chair and CEO
- Michael F. Mahoney
- Sector
- Health Care
- Sub-industry
- Health Care Equipment
- Headquarters
- Marlborough, Massachusetts
- Founded
- 1979
- More
- Wikipedia
- Market cap
- $66.2B
- 186th largest, 23 Oct 2026 close
- Price to sales
- 3.3
- Market cap over revenue
- Market cap per employee
- $1.1M
- Market cap over employees
- Connections
- 5
- S&P 500 companies sharing a director or officer
Largest institutional holders
Each fund group's share of Boston Scientific. Where a company has several share classes, the share is of its total value.
13F filings for the quarter to 30 Jun 2026
Board and officers
4 people here also hold roles at other S&P 500 companies.
Roles filed up to 30 Sep 2026
| Name | Title |
|---|---|
| Directors (10) | |
| Michael F. MahoneyChairman, President & CEOAlso at CVS Health | |
| David C. HabigerDirectorAlso at Reddit | |
| Edward J. LudwigDirector | |
| Jessica L. MegaDirector | |
| Susan E. MoranoDirector | |
| Cheryl PegusDirector | |
| Cathy R. SmithDirectorAlso at PPG Industries and Starbucks | |
| Christophe Pierre WeberDirector | |
| David S. WichmannDirector | |
| Ellen M. ZaneDirectorAlso at Synchrony Financial | |
| Officers (7) | |
| Jonathan MonsonEVP and CFOLast filed 11 Aug 2026 | |
| Vance R. BrownEVP, GC and Corp. SecretaryLast filed 18 Feb 2026 | |
| Arthur C. ButcherEVP& Grp Pres, MedSurg & APACLast filed 4 May 2026 | |
| Joseph Michael FitzgeraldEVP & Group Pres, CardiologyLast filed 3 Aug 2026 | |
| Padraig Andrew O'ConnorEVP, Global OperationsLast filed 3 Sep 2026 | |
| Miriam O'SullivanSVP, Chief HR OfficerLast filed 18 Feb 2026 | |
| Emily WoodworthSVP, Global Controller and CAOLast filed 12 Aug 2026 | |
Companies that share people with Boston Scientific
Each person's title here, then at the other company.
- CVS Health CVS
- Michael F. Mahoney: Chairman, President & CEO here, Director there
- PPG Industries PPG
- Cathy R. Smith: Director here, Director there
- Reddit RDDT
- David C. Habiger: Director here, Director there
- Starbucks SBUX
- Cathy R. Smith: Director here, evp, cfo there
- Synchrony Financial SYF
- Ellen M. Zane: Director here, Director there
Boston Scientific's market cap since December 2008
Weekly, up to 23 Oct 2026
| Week ending | Market cap |
|---|---|
| 23 Oct 2026 | $66.2B |
| 26 Dec 2025 | $142B |
| 27 Dec 2024 | $134B |
| 29 Dec 2023 | $84.7B |
| 30 Dec 2022 | $66.3B |
| 31 Dec 2021 | $60.5B |
| 25 Dec 2020 | $49.5B |
| 27 Dec 2019 | $63.0B |
| 28 Dec 2018 | $48.0B |
| 29 Dec 2017 | $34.0B |
| 30 Dec 2016 | $29.4B |
| 25 Dec 2015 | $25.2B |
| 26 Dec 2014 | $17.5B |
| 27 Dec 2013 | $16.1B |
| 28 Dec 2012 | $7.7B |
| 30 Dec 2011 | $7.9B |
| 31 Dec 2010 | $11.5B |
| 25 Dec 2009 | $13.4B |
| 26 Dec 2008 | $11.1B |
Download Boston Scientific's data as JSON, with the weekly market caps in billions of dollars from 5 Dec 2008.
Workforce
Headcount at 31 Dec 2025
- Employees
- 59,000
As of December 31, 2025, we had approximately 59,000 employees, of which approximately 60 percent were outside the U.S.
Insider trades
Open-market buys and sales by directors and officers. Grants, option exercises and shares withheld for tax are left out.
Trades from 30 Sep 2025 to 30 Sep 2026
Directors and officers sold $29.3 million of stock in 7 sales and bought $10.0 million in 10 purchases in the 12 months to 30 Sep 2026.
| Date | Person | Value |
|---|---|---|
| 25 Aug 2026Buy | Susan E. MoranoDirector | $100K |
| 5 Aug 2026Buy | David C. HabigerDirector | $100K |
| 4 Aug 2026Buy | David C. HabigerDirector | $7K |
| 3 Aug 2026Buy | Michael F. MahoneyChairman, President & CEO | $9.0M |
| 3 Aug 2026Buy | David C. HabigerDirector | $50K |
| 31 Jul 2026Buy | Edward J. LudwigDirector | $227K |
| 20 May 2026Buy | Edward J. LudwigDirector | $203K |
| 20 May 2026Buy | David C. HabigerDirector | $126K |
| 20 May 2026Buy | Cheryl PegusDirector | $100K |
| 19 May 2026Buy | David C. HabigerDirector | $125K |
Showing 10 of 17 trades
Trades by members of Congress and officials
Trades members of Congress and senior executive branch officials disclosed, including their families'. Amounts are filed as ranges.
Trades from 20 Oct 2023 to 20 Oct 2026
16 people disclosed 40 purchases and 45 sales of Boston Scientific stock since October 2023.
| Date | Member or official | Amount |
|---|---|---|
| 9 Sep 2026 | Kevin HernHouse, R-OK 路 Sold | $50K to $100K |
| 4 Sep 2026 | Kevin HernHouse, R-OK 路 Sold | $50K to $100K |
| 3 Sep 2026 | Kevin HernHouse, R-OK 路 Sold | $1K to $15K |
| 31 Aug 2026 | Kevin HernHouse, R-OK 路 Sold | $15K to $50K |
| 28 Aug 2026 | Donald J TrumpPresident 路 Bought | $15K to $50K |
| 18 Aug 2026 | Gilbert CisnerosHouse, D-CA 路 Bought | $1K to $15K |
| 23 Jul 2026 | Donald J TrumpPresident 路 Sold | $50K to $100K |
| 17 Jul 2026 | Donald J TrumpPresident 路 Sold | $15K to $50K |
| 23 Jun 2026 | Donald J TrumpPresident 路 Sold | $1K to $15K |
| 12 Jun 2026 | Donald J TrumpPresident 路 Bought | $50K to $100K |
Showing 10 of 85 trades
WARN layoff notices
Notices filed under Boston Scientific's own name. Subsidiaries that file under their own names are not included.
Notices from 26 Oct 2023 to 26 Oct 2026
Boston Scientific filed 3 notices covering 116 workers since October 2023.
| Notice | Place | Workers |
|---|---|---|
| 10 Jun 2025 | Sunnyvale, CA | 23 |
| 21 Apr 2025 | Sunnyvale, CA | 63 |
| 23 Oct 2024 | Sunnyvale, CA | 30 |