Boston Scientific Corp. (BSX) Ownership & Trading Activity
Institutional holders, insider transactions, and congressional trades for BSX. 13F holdings as of 2026-06-30.
In 13F filings for the quarter ended June 30, 2026, 1,455 institutions reported holding BSX, with 1.3 billion shares worth $56.7 billion in aggregate.
Top Institutional Holders
| Institution | Shares | Value | Change |
|---|---|---|---|
| Vanguard | 142,400,348 | $6.1B | INCREASED |
| BlackRock | 129,680,916 | $5.5B | DECREASED |
| State Street | 70,111,196 | $3.0B | INCREASED |
| Primecap Management Co | 50,520,914 | $2.2B | INCREASED |
| FMR | 45,702,845 | $2.0B | DECREASED |
Recent Insider Trades
| Insider | Type | Shares | Value | Date |
|---|---|---|---|---|
| Padraig Andrew O'Connor (EVP, Global Operations) | EXERCISE | 1,171 | 2026-09-02 | |
| Padraig Andrew O'Connor (EVP, Global Operations) | TAX-W | 567 | $27K | 2026-09-02 |
| Padraig Andrew O'Connor (EVP, Global Operations) | EXERCISE | 1,171 | 2026-09-02 | |
| Susan E Morano (Director) | BUY | 2,040 | $100K | 2026-08-25 |
| Emily Woodworth (SVP, Global Controller and CAO) | OTHER | 2,930 | $150K | 2026-08-11 |
Recent Congressional Trades
| Member | Type | Amount | Date |
|---|---|---|---|
| Ro Khanna (Democrat) | SALE | $1,001 - $15,000 | 2026-09-11 |
| Ro Khanna (Democrat) | SALE | $1,001 - $15,000 | 2026-09-04 |
| Kevin Hern (Republican) | SALE | $1,001 - $15,000 | 2026-09-03 |
Full institutional holdings, insider history, and congressional trades for Boston Scientific Corp. on SentiSense.