Boston Scientific Corp (BSX)
Healthcare
Medical Devices
46.70 $
+1.6%
vs. previous close
Closing price · As of: 31. Jul 2026
Who owns Boston Scientific Corp (BSX)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 99.7% of the shares are freely tradable; institutional investors hold 94.9%.
Ownership Structure
Institutional ownership
Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
94.9%
Insiders
Share of the stock held by the executives, founders and major shareholders of the company itself.
0.2%
Float
Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
99.7%
Short % of float
Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
1.9%
Shares Outstanding
Total number of shares issued. Price times share count gives market cap.
1,486Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| BlackRock Inc | 8.87 | 131,822,037 | -3.1 | 03/31/2026 |
| Vanguard Capital Management, LLC | 6.49 | 96,411,568 | +0.0 | 03/31/2026 |
| FMR Inc | 4.99 | 74,226,395 | -23.8 | 03/31/2026 |
| State Street Corp | 4.57 | 67,986,847 | +3.3 | 03/31/2026 |
| JPMorgan Chase & Co | 2.24 | 33,350,157 | +31.4 | 03/31/2026 |
| Geode Capital Management, LLC | 2.24 | 33,285,757 | +2.8 | 03/31/2026 |
| PRIMECAP Management Company | 2.19 | 32,529,774 | +4.6 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 2.00 | 29,796,211 | +0.0 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Morn Total Stk Mkt Idx Investor | 3.17 | 47,189,454 | -0.1 | 06/30/2026 |
| Vanguard 500 Index Investor | 2.60 | 38,611,452 | -0.6 | 06/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.