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iRhythm Technologies

300 hedge funds and large institutions have $5.44B invested in iRhythm Technologies in 2025 Q2 according to their latest regulatory filings, with 69 funds opening new positions, 101 increasing their positions, 93 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more funds holding in top 10

Funds holding in top 10:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

9% more repeat investments, than reductions

Existing positions increased: 101 | Existing positions reduced: 93

3.7% less ownership

Funds ownership: 114.56%110.86% (-3.7%)

28% less call options, than puts

Call options by funds: $27.3M | Put options by funds: $37.6M

Holders
300
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
5
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$27.3M
Puts
$37.6M
Net Calls
Net Calls Change

Top Buyers

1 +$45.9M
2 +$41.2M
3 +$39.3M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
+$38.2M
5
Wellington Management Group
Wellington Management Group
Massachusetts
+$35.4M

Top Sellers

1 -$107M
2 -$65.6M
3 -$50.3M
4
UBS AM
UBS AM
Illinois
-$45.5M
5
B
Braidwell
Connecticut
-$39.5M
Name Holding Trade Value Shares
Change
Change in
Stake
EI
101
EAM Investors
California
$5.23M
Envestnet Asset Management
102
Envestnet Asset Management
Illinois
$5.21M
HA
103
Homestead Advisers
Virginia
$4.99M
BPC
104
Banque Pictet & Cie
Switzerland
$4.87M
EAM
105
EFG Asset Management
Oregon
$4.71M
YIH
106
Y-Intercept (HK)
Hong Kong
$4.68M
AG
107
Algert Global
California
$4.61M
Mirae Asset Global ETFs Holdings
108
Mirae Asset Global ETFs Holdings
Hong Kong
$4.59M
California State Teachers Retirement System (CalSTRS)
109
California State Teachers Retirement System (CalSTRS)
California
$4.45M
HCA
110
Harbor Capital Advisors
Illinois
$4.36M
SG Americas Securities
111
SG Americas Securities
New York
$4.31M
Comerica Bank
112
Comerica Bank
Texas
$4.24M
T. Rowe Price Associates
113
T. Rowe Price Associates
Maryland
$4.04M
HP
114
HealthInvest Partners
Sweden
$3.9M
Wells Fargo
115
Wells Fargo
California
$3.87M
MSK
116
Melissa S. Kampmann
$3.78M
Russell Investments Group
117
Russell Investments Group
United Kingdom
$3.73M
N
118
Natixis
France
$3.62M
QT
119
Quantbot Technologies
New York
$3.58M
MOACM
120
Mutual of America Capital Management
New York
$3.49M
Universal-Beteiligungs- und Servicegesellschaft
121
Universal-Beteiligungs- und Servicegesellschaft
Germany
$3.2M
MIM
122
MetLife Investment Management
New Jersey
$2.93M
IIM
123
INTECH Investment Management
Florida
$2.69M
XT
124
XTX Topco
Cayman Islands
$2.54M
Nomura Holdings
125
Nomura Holdings
Japan
$2.47M