STOCKNO.DE
Institutional ownership intelligence
Schedule 13G/A

BSX Schedule 13G/A filing by BlackRock

BlackRock reported beneficial ownership of 127.0M shares, representing 8.7% of BOSTON SCIENTIFIC CORP in this filing.

FiledJan 25, 2024
Ownership dateDec 31, 2023
Reported shares127.0M
Reported ownership8.7%
Ownership details

Voting and dispositive power reported in the filing

These figures describe the reporting filer’s disclosed voting and investment authority. They should be read together with the reported share count and percentage.

Sole voting power 127.0M
Shared voting power 127.0M
Sole dispositive power 127.0M
Shared dispositive power 127.0M
Compared with the prior filing

How the reported position changed

This compares the current filing with the previous tracked Schedule 13 filing from the same reporting CIK for BSX. A change between filings does not by itself establish when shares were bought or sold.

Previous filingFeb 14, 2023
Reported share change-10,765,981
Ownership percentage change-0.9 pts
Previous filingThis filing
Reported shares137.8M127.0M
Reported ownership9.6%8.7%
Price context

Price dates alongside the ownership filing

Price data provides market context around the disclosure. It does not identify the filer’s actual transaction price.

Close near filing date
Latest tracked price$47.74as of Aug 5, 2026
Source

Original filing and accession

Use the SEC filing as the primary source when you need the complete disclosure, footnotes, exhibits, or reporting-person details.

Reporting filer
BlackRock
CIK
CIK0001364742
Accession
0001086364-24-003245
Form
Schedule 13G/A
Read the filing in context

Understand what a Schedule 13 filing does—and does not—tell you.