13F Insight
DOSSIER · 13F Holders · Q2 2026
IRTC 1.5 09/01/29

IRHYTHM TECHNOLOGIES INC

56 institutions still hold IRHYTHM TECHNOLOGIES INC as of Q2 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 450056AB2·56 13F holders·last filed Jun 30, 2026
Market cap
—
13F value held
$737M
visible holders
Holders
56
filers reporting
Concentration
13.18%
TENOR CAPITAL MANAGEMENT Co., L.P. #1
top holder share
AI Holders Summary · Q2 2026

56 institutions reported IRTC 1.5 09/01/29 in Q2 2026. TENOR CAPITAL MANAGEMENT Co., L.P. leads at 13.2% of the visible book.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
TENOR CAPITAL MANAGEMENT Co., L.P.
CIK 0001346554
$97M87.5M1.37%Q2 202602
WOLVERINE ASSET MANAGEMENT LLC
CIK 0001279891
$73M66.4M0.64%Q2 202603
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC
CIK 0000861177
$65M59.3M0.01%Q2 202604
ADVENT CAPITAL MANAGEMENT /DE/
CIK 0001097278
$52M47.4M1.18%Q2 202605
LMR Partners LLP
CIK 0001578621
$47M42.5M0.17%Q2 202606
Opti Capital Management, LP
CIK 0001738654
$45M41.0M2.77%Q2 202607
DeepCurrents Investment Group LLC
CIK 0001754535
$42M38.5M1.29%Q2 202608
STEELHEAD PARTNERS LLC
CIK 0001133521
$42M38.1M3.00%Q2 202609
Point72 Asset Management, L.P.
CIK 0001603466
$36M33.0M0.05%Q1 202610
MACKAY SHIELDS LLC
CIK 0000061227
$36M32.6M1.20%Q2 202611
CITADEL ADVISORS LLC
CIK 0001423053
$35M31.6M0.00%Q2 202612
BlackRock, Inc.
CIK 0002012383
$34M30.9M0.00%Q2 202613
READYSTATE ASSET MANAGEMENT LP
CIK 0001900923
$25M18.0M1.02%Q4 202514
TUDOR INVESTMENT CORP ET AL
CIK 0000923093
$22M20.0M0.04%Q1 202615
STATE STREET CORP
CIK 0000093751
$19M16.9M0.00%Q2 202616
Jain Global LLC
CIK 0002024579
$16M15.0M0.07%Q1 202617
Universal- Beteiligungs- und Servicegesellschaft mbH
CIK 0002057170
$14M12.6M0.02%Q2 202618
Mirabaud Asset Management (France) SAS
CIK 0002033031
$13M11.7M5.79%Q2 202619
Boussard & Gavaudan Investment Management LLP
CIK 0001614986
$12M11K1.14%Q1 202620
PenderFund Capital Management Ltd.
CIK 0001706164
$10M9.3M1.31%Q2 2026
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