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iRhythm Technologies
IRTC

Overview Fund Activity

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.

Holders
300
Holders Change
+45
Holders Change %
+17.65%
% of All Funds
4.03%
Holding in Top 10
5
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+66.67%
% of All Funds
0.07%
New
69
Increased
101
Reduced
93
Closed
22
Calls
$27.3M
Puts
$37.6M
Net Calls
-$10.3M
Net Calls Change
-$787K

Top Buyers

1
Holocene Advisors
1
Holocene Advisors
New York
$48.2M
2
Man Group
2
Man Group
United Kingdom
$41.2M
3
Loomis, Sayles & Company
3
Loomis, Sayles & Company
Massachusetts
$39.3M
4
D.E. Shaw & Co
4
D.E. Shaw & Co
New York
$38.2M
5
Wellington Management Group
5
Wellington Management Group
Massachusetts
$60.9M

Top Sellers

1
Capital Research Global Investors
1
Capital Research Global Investors
California
$232M
2
Mackenzie Financial
2
Mackenzie Financial
Ontario, Canada
$112M
3
Westfield Capital Management
3
Westfield Capital Management
Massachusetts
$44.7M
4
UBS AM
4
UBS AM
Illinois
$93.6M
5
B
5
Braidwell
Connecticut
$46.2M
Name Holding Trade Value Shares
Change 		Shares
Change %
GCP
151
GSA Capital Partners
United Kingdom
$1.23M +$571K +3,709 +86%
UOC
152
UBS O'Connor
Illinois
$1.23M -$849K -5,513 -41%
GAM
153
Gotham Asset Management
New York
$1.23M +$1.23M +7,976 New
SF
154
Synovus Financial
Georgia
$1.21M +$14.8K +96 +1%
DT
155
Diversified Trust
Tennessee
$1.15M -$223K -1,449 -16%
PFSRSONJ
156
Police & Firemen's Retirement System of New Jersey
New Jersey
$1.1M +$67.3K +437 +7%
CPC
157
Cookson Peirce & Co
Pennsylvania
$1.09M +$1.09M +7,072 New
AQR Capital Management
158
AQR Capital Management
Connecticut
$1.08M -$203K -1,318 -16%
LNWWM
159
Laird Norton Wetherby Wealth Management
California
$1.04M +$1.04M +6,742 New
FFL
160
Future Fund LLC
Illinois
$1.02M +$1.02M +6,608 New
OCM
161
One Capital Management
California
$1.02M +$1.02M +6,608 New
KK
162
KLP Kapitalforvaltning
Norway
$1.02M +$92.4K +600 +10%
ProShare Advisors
163
ProShare Advisors
Maryland
$1.01M -$63.6K -413 -6%
VFA
164
Values First Advisors
Tennessee
$1M +$49.6K +322 +5%
SRL
165
Scientech Research LLC
New Jersey
$995K -$6.16K -40 -0.6%
Osaic Holdings
166
Osaic Holdings
Arizona
$954K +$797K +7,772 +508%
HWAM
167
Hennion & Walsh Asset Management
New Jersey
$949K +$262K +1,703 +38%
OQS
168
Occudo Quantitative Strategies
Florida
$945K +$945K +6,135 New
ACM
169
Aquatic Capital Management
Illinois
$894K -$1.96M -12,728 -69%
SW
170
SteelPeak Wealth
California
$893K -$260K -1,688 -23%
CAPTRUST Financial Advisors
171
CAPTRUST Financial Advisors
North Carolina
$887K +$244K +1,588 +38%
VCM
172
Virtue Capital Management
Tennessee
$875K +$875K +5,685 New
CIM
173
CIM Investment Management
Pennsylvania
$862K -$913K -5,929 -51%
FRM
174
Fox Run Management
Connecticut
$846K +$253K +1,646 +43%
Group One Trading
175
Group One Trading
Illinois
$839K -$1.6M -10,405 -66%
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