Artisan Partners Limited Partnership - 31 Dec 2025 SCHEDULE 13G/A Report for iRhythm Holdings, Inc. Common Stock (IRTC)

Filing Manager
Artisan Partners Limited Partnership
Reporting Manager
Artisan Partners Asset Management Inc.
Security
iRhythm Holdings, Inc. Common Stock
Symbol
IRTC
Shares outstanding
32,170,043 shares
Disclosed Ownership
1,511,992 shares
Ownership
4.7%
Form type
SCHEDULE 13G/A
Filing time
03 Feb 2026, 14:00:05 UTC
Date of event
31 Dec 2025
SEC
View on sec.gov

Reporting Managers (4)

Name Ownership Shares Owned sole voting power shared voting power Signature Title CIK
Artisan Partners Asset Management Inc. 4.7% 1,511,992 0 1,314,008 /s/ Gregory K. Ramirez Gregory K. Ramirez, Executive Vice President of Artisan Partners Asset Management Inc.
Artisan Partners Holdings LP 4.7% 1,511,992 0 1,314,008 /s/ Gregory K. Ramirez Gregory K. Ramirez, Executive Vice President of Artisan Partners Asset Management Inc., as the general partner of Artisan Partners Holdings LP
Artisan Investments GP LLC 4.7% 1,511,992 0 1,314,008 /s/ Gregory K. Ramirez Gregory K. Ramirez, Vice President of Artisan Investments GP LLC
Artisan Partners Limited Partnership 4.7% 1,511,992 0 1,314,008 /s/ Gregory K. Ramirez Gregory K. Ramirez, Vice President of Artisan Investments GP LLC, as the general partner of Artisan Partners Limited Partnership