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OBERWEIS ASSET MANAGEMENT INC/

Position in IRTC — iRhythm Holdings, Inc.

CIK 937886 LISLE, IL

Position in IRTC

as of Mar 31, 2026 · filed May 15, 2026
Position Value
$18,411,592
-$2,827,976 QoQ
Shares Held
156,004
+30.3% QoQ
Ownership
0.475%
of shares outstanding
% of Portfolio
0.55%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Jun 2025
4 quarters on record
Voting authority Sole 100.ToString("F0")% Shared 0.ToString("F0")% None 0.ToString("F0")%

Common Shares in IRTC Over Time

Shares Held

Position Value (USD)

Position in Medical Devices

Healthcare · as of Mar 31, 2026

OBERWEIS ASSET MANAGEMENT INC/ holds $123,901,598 across 8 Medical Devices names. IRTC ranks #4 (14.9% of the industry book) .

# Ticker Company Shares Value (USD) Open
4 IRTC
iRhythm Holdings, Inc.
This page
156,004 $18,411,592

All Filings in IRTC

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4 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $18,411,592 156,004
2025-12-31 $21,239,568 119,700
2025-09-30 $13,965,588 81,200
2025-06-30 $12,501,552 81,200