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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 %
GCM
176
Graham Capital Management
Connecticut
$839K +$382K +2,481 +84%
SO
177
STRS Ohio
Ohio
$831K +$616K +4,000 +286%
BPC
178
Bryce Point Capital
New York
$748K +$748K +4,860 New
Teacher Retirement System of Texas
179
Teacher Retirement System of Texas
Texas
$734K +$29.9K +194 +4%
ETC
180
Exchange Traded Concepts
Oklahoma
$722K -$329K -2,139 -31%
YC
181
Yarbrough Capital
Tennessee
$716K – – –
Pictet Asset Management
182
Pictet Asset Management
Switzerland
$708K -$80.7K -524 -10%
Franklin Resources
183
Franklin Resources
California
$702K +$702K +4,558 New
Mitsubishi UFJ Asset Management
184
Mitsubishi UFJ Asset Management
Japan
$697K -$406K -2,639 -37%
LPL Financial
185
LPL Financial
California
$687K +$295K +1,915 +75%
HSBC Holdings
186
HSBC Holdings
United Kingdom
$631K -$78.7K -509 -11%
CIBC Private Wealth Group
187
CIBC Private Wealth Group
Georgia
$607K +$154 +1 +0%
CWM
188
CIBC World Markets
New York
$605K -$463K -3,007 -43%
TRCT
189
Tower Research Capital (TRC)
New York
$592K +$442K +2,873 +296%
BC
190
Bayforest Capital
United Kingdom
$583K -$65.6K -426 -10%
Public Employees Retirement Association of Colorado
191
Public Employees Retirement Association of Colorado
Colorado
$539K – – –
MAG
192
MRA Advisory Group
New Jersey
$512K +$512K +3,323 New
AIP
193
Ameritas Investment Partners
Nebraska
$501K +$14.3K +93 +3%
OSAM
194
O'Shaughnessy Asset Management
Connecticut
$500K +$500K +3,245 New
AA
195
Ancora Advisors
Ohio
$497K -$119K -770 -19%
IAS
196
IMA Advisory Services
Colorado
$497K – – –
Canada Life
197
Canada Life
Manitoba, Canada
$481K +$8.16K +53 +2%
KeyBank National Association
198
KeyBank National Association
Ohio
$473K -$15.4K -100 -3%
PNC Financial Services Group
199
PNC Financial Services Group
Pennsylvania
$452K -$180K -1,167 -28%
Mariner
200
Mariner
Kansas
$438K -$140K -910 -24%
6 7
8
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