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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
GCP
151
GSA Capital Partners
United Kingdom
$1.23M
UOC
152
UBS O'Connor
Illinois
$1.23M
GAM
153
Gotham Asset Management
New York
$1.23M
SF
154
Synovus Financial
Georgia
$1.21M
DT
155
Diversified Trust
Tennessee
$1.15M
PFSRSONJ
156
Police & Firemen's Retirement System of New Jersey
New Jersey
$1.1M
CPC
157
Cookson Peirce & Co
Pennsylvania
$1.09M
AQR Capital Management
158
AQR Capital Management
Connecticut
$1.08M
LNWWM
159
Laird Norton Wetherby Wealth Management
California
$1.04M
FFL
160
Future Fund LLC
Illinois
$1.02M
OCM
161
One Capital Management
California
$1.02M
KK
162
KLP Kapitalforvaltning
Norway
$1.02M
ProShare Advisors
163
ProShare Advisors
Maryland
$1.01M
VFA
164
Values First Advisors
Tennessee
$1M
SRL
165
Scientech Research LLC
New Jersey
$995K
Osaic Holdings
166
Osaic Holdings
Arizona
$954K
HWAM
167
Hennion & Walsh Asset Management
New Jersey
$949K
OQS
168
Occudo Quantitative Strategies
Florida
$945K
ACM
169
Aquatic Capital Management
Illinois
$894K
SW
170
SteelPeak Wealth
California
$893K
CAPTRUST Financial Advisors
171
CAPTRUST Financial Advisors
North Carolina
$887K
VCM
172
Virtue Capital Management
Tennessee
$875K
CIM
173
CIM Investment Management
Pennsylvania
$862K
FRM
174
Fox Run Management
Connecticut
$846K
Group One Trading
175
Group One Trading
Illinois
$839K