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Artisan Partners Limited Partnership

Position in IRTC — iRhythm Holdings, Inc.

CIK 1466153 Milwaukee, WI

Position in IRTC

as of Mar 31, 2026 · filed May 13, 2026
Position Value
$171,236,044
-$97,051,816 QoQ
Shares Held
1,450,907
-4.0% QoQ
Ownership
4.42%
of shares outstanding
% of Portfolio
0.28%
of 13F equity value
Holder Rank
not a current holder
Holding Since
Mar 2020
23 quarters on record
Voting authority Sole 88.3785797435673.ToString("F0")% Shared 0.ToString("F0")% None 11.6214202564327.ToString("F0")%

Common Shares in IRTC Over Time

Shares Held

Position Value (USD)

Position in Medical Devices

Healthcare · as of Mar 31, 2026

Artisan Partners Limited Partnership holds $1,193,028,474 across 13 Medical Devices names. IRTC ranks #2 (14.4% of the industry book) .

# Ticker Company Shares Value (USD) Open
2 IRTC
iRhythm Holdings, Inc.
This page
1,450,907 $171,236,044

All Filings in IRTC

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24 filing rows on record
Report Date Value (USD) Shares
2026-03-31 $171,236,044 1,450,907
2025-12-31 $268,287,860 1,511,992
2025-12-31 $268,287,860 1,511,992
2025-09-30 $441,586,560 2,567,513
2025-06-30 $421,979,880 2,740,841
2025-03-31 $294,598,830 2,814,280
2024-12-31 $249,115,724 2,762,734
2024-09-30 $206,406,428 2,780,259
2024-06-30 $289,044,077 2,685,285
2024-03-31 $248,813,272 2,144,942
2023-12-31 $221,733,360 2,071,500
2023-09-30 $184,997,032 1,962,625
2023-06-30 $167,195,437 1,602,717
2023-03-31 $170,332,755 1,373,319
2022-12-31 $130,739,527 1,395,746
2022-09-30 $52,905,242 422,296
2022-06-30 $31,163,414 288,470
2022-03-31 $51,734,091 328,533
2021-12-31 $17,759,774 150,903
2021-03-31 $107,797,156 776,301
2020-12-31 $321,861,709 1,356,864
2020-09-30 $96,518,602 405,353
2020-06-30 $17,786,681 153,479
2020-03-31 $10,819,143 132,995