FMR LLC - 31 Dec 2025 SCHEDULE 13G/A Report for MONOLITHIC POWER SYSTEMS INC COMMON STOCK (MPWR)

Filing Manager
FMR LLC
Reporting Manager
FMR LLC
Symbol
MPWR
Shares outstanding
47,915,757 shares
Disclosed Ownership
3,977,008 shares
Ownership
8.3%
Form type
SCHEDULE 13G/A
Filing time
05 Feb 2026, 13:31:51 UTC
Date of event
31 Dec 2025

Reporting Managers (2)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
FMR LLC 8.3% 3,977,008 3,736,527 0 Stephanie J. Brown Duly authorized under Power of Attorney effective as of January 3, 2023, by and on behalf of FMR LLC and its direct and indirect subsidiaries*
Abigail P. Johnson 8.3% 3,977,008 0 0 Stephanie J. Brown Duly authorized under Power of Attorney effective as of January 26, 2023, by and on behalf of Abigail P. Johnson**