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Which hedge funds own IRTC? IRHYTHM HOLDINGS INC, Q2 2026 13F holders

HealthcareMedical Devices

56 tracked hedge funds disclosed a position in IRTC (IRHYTHM HOLDINGS INC) in their Q2 2026 13F filings, worth $1.4bn in total. The largest holder by portfolio weight is Prosight Management, LP at 3.4% of its book. 12 opened a new position this quarter: PFM Health Sciences, LP, NINE MASTS CAPITAL Ltd, Integral Health Asset Management, LLC, Corient IA LP. 8 exited: Warberg Asset Management LLC, Readystate Asset Management LP, Hillsdale Investment Management Inc..

56
Holders
Tracked managers whose filing for the quarter reports a long equity position in the security.
12
New this quarter
Holders whose previous filing (at most two quarters earlier) did not report the security.
8
Exited this quarter
Tracked managers whose previous filing reported the security and whose filing for the quarter does not.
$27.4m
Inflow, new holders
Combined value of the positions the new holders reported for the quarter.
$30.4m
Outflow, exits
Combined value the exiting managers reported for the security in their previous filing.
$1.4bn
Combined value
Sum of the holders' reported positions in the security.
4.5%
Share of managers holding
Holders as a share of tracked managers filing for that quarter. Comparable across the 2024 coverage expansion, where the raw holder count is not.

Holders, Q2 2026

56 rows
Prosight Management, LP Hedge fund3.4%$19.7m165,500+1555%added
Steelhead Partners LLC Hedge fund3.0%$42.1m38.12m+5.5%added
Braidwell LP Hedge fund2.9%$77.8m654,262+7.2%added
Opti Capital Management, LP Hedge fund2.8%$45.3m41.00m+17%added
RTW Investments, LP Hedge fund2.2%$260m2.18m+31%added
Rock Springs Capital Management LP Hedge fund1.6%$32.1m269,650+3.0%added
DeepCurrents Investment Group LLC Hedge fund1.5%$42.5m38.50m+12%added
TENOR CAPITAL MANAGEMENT Co., L.P. Hedge fund1.4%$97.1m87.50m+2.9%added
First Light Asset Management, LLC Hedge fund1.2%$19.9m167,092−0.6%reduced
Wolverine Asset Management LLC Hedge fund1.0%$73.2m66.38m+41%added
Parkman Healthcare Partners LLC Hedge fund0.8%$8.0m67,267+68%added
PFM Health Sciences, LP Hedge fund0.7%$7.8m65,196–new
NINE MASTS CAPITAL Ltd Hedge fund0.6%$5.5m5,000–new
Sirios Capital Management L P Hedge fund0.5%$4.1m34,455−0.8%reduced
Integral Health Asset Management, LLC Hedge fund0.4%$10.7m90,000–new
Perceptive Advisors LLC Hedge fund0.4%$26.6m223,766+113%added
Holocene Advisors, LP Hedge fund0.2%$93.2m783,636−37%reduced
Fox Run Management, L.L.C. Hedge fund0.2%$999k8,401+46%added
Polar Capital Holdings Plc Hedge fund0.2%$54.5m458,089+8.7%added
Corient IA LP Hedge fund0.1%$159k1,340–new
Campbell & CO Investment Adviser LLC Hedge fund0.1%$2.6m22,024−46%reduced
Millennium Management LLC Hedge fund0.1%$167m1.41m−89%reduced
Tudor Investment Corp ET AL Hedge fund0.10%$24.0m21.75m+8.7%added
Schonfeld Strategic Advisors LLC Hedge fund0.10%$18.1m152,062+73%added
FORA Capital, LLC Hedge fund0.08%$1.2m10,297–new
Bayforest Capital Ltd Hedge fund0.08%$89.2k750−74%reduced
Persistent Asset Partners Ltd Hedge fund0.08%$253k2,129–new
Trexquant Investment LP Hedge fund0.07%$11.5m96,268−14%reduced
Entropy Technologies, LP Hedge fund0.07%$1.7m14,022+32%added
RWC Asset Management LLP Hedge fund0.06%$1.5m1.40m−4.8%reduced
Point72 Asset Management, L.P. Hedge fund0.05%$32.5m273,162−99%reduced
Landscape Capital Management, L.L.C. Hedge fund0.05%$727k6,116−55%reduced
Engineers Gate Manager LP Hedge fund0.05%$3.6m30,418−38%reduced
Verition Fund Management LLC Hedge fund0.05%$6.7m55,987+62%added
D. E. Shaw & Co., Inc. Hedge fund0.05%$74.9m629,686+14%added
Brevan Howard Capital Management LP Hedge fund0.04%$2.8m23,847+42%added
Qube Research & Technologies Ltd Hedge fund0.04%$32.3m271,624+20%added
Cinctive Capital Management LP Hedge fund0.04%$888k7,467−6.2%reduced
Citadel Advisors LLC Hedge fund0.03%$46.3m31.68m+27784%added
Arrowstreet Capital, Limited Partnership Hedge fund0.02%$53.6m450,865−23%reduced
WCM Investment Management Long-only investor0.02%$12.7m107,000−1.0%reduced
Jain Global LLC Hedge fund0.02%$1.6m13,314−100%reduced
ADAR1 Capital Management, LLC Hedge fund0.02%$357k3,000–new
Squarepoint Ops LLC Hedge fund0.02%$8.5m71,862+1066%added
Gsa Capital Partners LLP Hedge fund0.02%$242k2,033+4.8%added
Capital Fund Management S.A. Hedge fund0.01%$1.3m10,594–new
Kohlberg Kravis Roberts & Co. L.P. Hedge fund0.01%$496k450,0000.0%held
Renaissance Technologies LLC Hedge fund0.01%$4.6m38,500−28%reduced
Balyasny Asset Management L.P. Hedge fund0.0%$1.8m1.01m−69%reduced
Capstone Investment Advisors, LLC Hedge fund0.0%$304k2,559+0.9%added