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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.

New
Increased
Maintained
Reduced
Closed
Holders
300
Holders Change
+45
Holders Change %
+17.65%
% of All Funds
4.02%
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
Holocene Advisors
New York
$48.2M
2
Man Group
Man Group
United Kingdom
$41.2M
3
Loomis, Sayles & Company
Loomis, Sayles & Company
Massachusetts
$39.3M
4
D.E. Shaw & Co
D.E. Shaw & Co
New York
$38.2M
5
Wellington Management Group
Wellington Management Group
Massachusetts
$60.9M

Top Sellers

1
Capital Research Global Investors
Capital Research Global Investors
California
$232M
2
Mackenzie Financial
Mackenzie Financial
Ontario, Canada
$112M
3
Westfield Capital Management
Westfield Capital Management
Massachusetts
$44.7M
4
UBS AM
UBS AM
Illinois
$93.6M
5
B
Braidwell
Connecticut
$46.2M
Name Holding Trade Value Shares
Change 		Shares
Change %
Jones Financial Companies
251
Jones Financial Companies
Missouri
$34K – – –
LFG
252
Larson Financial Group
Missouri
$32K +$12.5K +81 +64%
NSIM
253
North Star Investment Management
Illinois
$26.2K – – –
FFA
254
Farther Finance Advisors
California
$25.4K +$7.39K +48 +41%
S
255
SignatureFD
Georgia
$21.1K – – –
AssetMark Inc
256
AssetMark Inc
California
$17.1K +$1.08K +7 +7%
C
257
Covestor
United Kingdom
$17K – – –
MPWT
258
MassMutual Private Wealth & Trust
Connecticut
$16.9K +$1.54K +10 +10%
VCM
259
Versant Capital Management
Arizona
$16K +$6K +39 +60%
BIG
260
Brooklyn Investment Group
New York
$15.4K +$15.4K +100 New
SAM
261
Smartleaf Asset Management
Massachusetts
$15.3K -$18.6K -120 -55%
GI
262
GAMMA Investing
California
$14K +$1.23K +8 +10%
Fifth Third Bancorp
263
Fifth Third Bancorp
Ohio
$13.9K – – –
TFA
264
Toth Financial Advisory
Virginia
$13.1K – – –
SCM
265
Sterling Capital Management
North Carolina
$11.9K +$6.77K +44 +133%
RA
266
Rise Advisors
New York
$10.6K – – –
RIL
267
Rothschild Investment LLC
Illinois
$10K +$770 +5 +8%
AF
268
Advisornet Financial
Minnesota
$8.16K +$154 +1 +2%
PTC
269
Private Trust Company
Ohio
$7.08K +$7.08K +46 New
SPIA
270
Steward Partners Investment Advisory
New York
$5.7K +$2.62K +17 +85%
PA
271
Parallel Advisors
California
$4.16K -$4.93K -32 -54%
HNB
272
Huntington National Bank
Ohio
$3.85K +$1.08K +7 +39%
BIA
273
Bell Investment Advisors
California
$3.85K +$1.85K +12 +92%
GWM
274
Geneos Wealth Management
Colorado
$3.7K -$7.39K -48 -67%
KIM
275
Kestra Investment Management
Texas
$3.62K +$1.81K +14 +100%
9 10
11
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