Boston Scientific Corp. (BSX)
NYSE: BSX · Surgical & Medical Instruments & Apparatus · Marlborough, MA · filing with the SEC since 1995
Grade6.2
◀ Past 5.6● Present 6.6▶ Future 6.3
Who owns Boston Scientific Corp.
As filed with the SECHolders of 5% or more
2
Blackrock, Inc. holds 7.6% of Common Stock, as its SCHEDULE 13G/A filed Apr 17, 2025 says.
Directors and officers
17
report now, of 47 people on the record since 2006. Their holdings as a group are not read here.
Institutions as a whole
n/a
The record does not read the share held by managers that file Form 13F, so none is printed and no split of the rest is estimated. What it holds is the 2 named at left.
Holders of 5% or moreshare of the class, as filed
Blackrock, Inc.
SCHEDULE 13G/A · filed Apr 17, 2025 · Common Stock
Vanguard Capital Management
SCHEDULE 13G · filed Apr 29, 2026 · Common Stock
Fmr LLC
SCHEDULE 13G/A · filed Aug 6, 2026 · COMMON STOCK · reported falling below 5%, from 5.1% in May 6, 2026
The Vanguard Group
SCHEDULE 13G/A · filed Mar 26, 2026 · Common Stock · reported falling below 5%
What BSX reports owning in othersstakes of 5% or more, and other ties
Other ties the annual report names
Anrei Medical
A company bought · acquisition · Jun 2025 · owns, named in the 10-K filed Feb 17, 2026
Intera Oncology
A company bought · acquisition · Apr 2025 · owns, named in the 10-K filed Feb 17, 2026
SoniVie Ltd
A company bought · acquisition · Apr 2025 · owns, named in the 10-K filed Feb 17, 2026
Bolt Medical, Inc.
A company bought · acquisition · Mar 2025 · owns, named in the 10-K filed Feb 17, 2026
Cortex, Inc.
A company bought · acquisition · Jan 2025 · owns, named in the 10-K filed Feb 17, 2026
Axonics
A company bought · acquisition · Oct 2024 · owns, named in the 10-K filed Feb 17, 2026
Silk Road Medical, Inc.
A company bought · acquisition · Sep 2024 · owns, named in the 10-K filed Feb 17, 2026
Nalu Medical
A company bought · acquisition · owns, named in the 10-K filed Feb 17, 2026
142 subsidiaries in 48 countries, from the list filed with the 10-K filed Feb 17, 2026.
Insider tradesForm 4
3sales
10purchases
3sales on a scheduled plan
2people selling
$16.8Msold, in dollars
$10.0Mbought, in dollars
Open-market trades on Form 4 from Nov 6, 2025 to Nov 6, 2026. A scheduled plan is a selling program set in advance under SEC rule 10b5-1. The trades are listed as filed and do not feed the grade.
By calendar yearSoldBought
2026 runs to Nov 6, 2026. Dollars as filed, summed by the transaction date.
People who traded in the window7 of 47 on the roster
| Person | Role as filed | Sales | Sold | On a plan | Buys | Bought |
|---|---|---|---|---|---|---|
| Mahoney Michael F | Chairman, President & CEO | 2 | $15.0M | 2 | 1 | $9.0M |
| Butcher Arthur C | EVP& Grp Pres, MedSurg & APAC | 1 | $1.8M | 1 | 0 | $0 |
| Zane Ellen M | director | 1 | $1.3M | 1 | 0 | $0 |
| Habiger David C | director | 0 | $0 | 0 | 5 | $400,000 |
| Ludwig Edward J | director | 0 | $0 | 0 | 2 | $400,000 |
| Morano Susan E | director | 0 | $0 | 0 | 1 | $100,000 |
| Pegus Cheryl | director | 0 | $0 | 0 | 1 | $100,000 |