OBERWEIS ASSET MANAGEMENT INC/

Position in IRTC — iRhythm Holdings, Inc.

CIK 937886 LISLE, IL

Position in IRTC

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$24,028,375

+$5,616,783 QoQ

Shares Held

202,004

+29.5% QoQ

Ownership

0.613%

of shares outstanding

% of Portfolio

0.50%

of 13F equity value

Holder Rank

#42

of 303 holders

Holding Since

Jun 2025

5 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

OBERWEIS ASSET MANAGEMENT INC/ holds $130,247,110 across 5 Medical Devices names. IRTC ranks #3 (18.4% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	LIVN	LivaNova PLC	500,150	$41,127,334
2	GMED	Globus Medical Inc	512,100	$40,461,021
3	IRTC	iRhythm Holdings, Inc. This page	202,004	$24,028,375
4	AXGN	Axogen, Inc.	388,194	$17,930,680
5	BVS	Bioventus Inc.	709,714	$6,699,700

5 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$24,028,375	202,004	+29.5%	Shares	Sole	2026-08-14
2026-03-31	$18,411,592	156,004	+30.3%	Shares	Sole	2026-05-15
2025-12-31	$21,239,568	119,700	+47.4%	Shares	Sole	2026-02-17
2025-09-30	$13,965,588	81,200	0.0%	Shares	Sole	2025-11-17
2025-06-30	$12,501,552	81,200	—	Shares	Sole	2025-08-14
No filing history on record for this holder in this stock.