Boston Scientific Ownership & Insider Activity

Boston Scientific (BSX) institutional and insider ownership, recent insider transactions and ownership breakdown.

Insiders own 0.8% of shares outstanding. Institutional investors hold 67.3%.

Shares Outstanding

1.486B

Shares Float

1.485B

Insider Shares Owned

11.261M

Insider % Owned

0.8%

Institutional Shares Held

974.944M

Institutional % Held

67.3%

Ownership Breakdown

Congressional Trading Activity

Date	Member	Party	Chamber	Action	Amount
Sep 9, 2026	Kevin Hern	R	House	Sale	$50,001 - $100,000
Sep 4, 2026	Kevin Hern	R	House	Sale (Partial)	$50,001 - $100,000
Sep 3, 2026	Kevin Hern	R	House	Sale	$1,001 - $15,000
Sep 3, 2026	Kevin Hern	R	House	Sale	$1,001 - $15,000
Sep 3, 2026	Kevin Hern	R	House	Sale	$1,001 - $15,000
Aug 31, 2026	Kevin Hern	R	House	Sale	$15,001 - $50,000
Aug 18, 2026	Gilbert Ray Cisneros	D	House	Purchase	$1,001 - $15,000
Jun 5, 2026	Gilbert Ray Cisneros	D	House	Purchase	$1,001 - $15,000
Jun 5, 2026	Gilbert Ray Cisneros	D	House	Sale (Partial)	$1,001 - $15,000
Jun 4, 2026	John Boozman	R	Senate	Sale (Partial)	$1,001 - $15,000
May 29, 2026	Gilbert Ray Cisneros	D	House	Purchase	$1,001 - $15,000
May 19, 2026	Gilbert Ray Cisneros	D	House	Purchase	$1,001 - $15,000
May 11, 2026	Gilbert Ray Cisneros	D	House	Purchase	$1,001 - $15,000
Mar 27, 2026	Alan Armstrong	R	Senate	Purchase	$1,001 - $15,000
Feb 10, 2026	Gilbert Ray Cisneros	D	House	Purchase	$1,001 - $15,000
Jan 30, 2026	Gilbert Ray Cisneros	D	House	Purchase	$1,001 - $15,000
Dec 29, 2025	Markwayne Mullin	R	Senate	Purchase	$15,001 - $50,000
Dec 24, 2025	Gilbert Ray Cisneros	D	House	Sale (Partial)	$1,001 - $15,000
Dec 17, 2025	John Boozman	R	Senate	Sale (Partial)	$1,001 - $15,000
Nov 18, 2025	Gilbert Ray Cisneros	D	House	Purchase	$1,001 - $15,000