Vanguard Group Inc - Sep 30, 2025 SCHEDULE 13G/A Report for MKS Inc Common Stock (MKSI)

Filing Manager
VANGUARD GROUP INC
Reporting Manager
The Vanguard Group
Symbol
MKSI
Shares outstanding
67.2M shares
Disclosed Ownership
7.75M shares
Ownership
11.5%
Form type
SCHEDULE 13G/A
Date filed
10/31/2025, 11:05 AM
Date of event
Sep 30, 2025

Reporting Managers (1)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
The Vanguard Group 11.54% 7.75M 0 418K Ashley Grim Head of Global Fund Administration