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iRhythm Technologies

328 hedge funds and large institutions have $5.99B invested in iRhythm Technologies in 2025 Q3 according to their latest regulatory filings, with 61 funds opening new positions, 108 increasing their positions, 113 reducing their positions, and 28 closing their positions.

New
Increased
Maintained
Reduced
Closed

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding

Funds holding:

less repeat investments, than reductions

Existing positions increased: | Existing positions reduced:

2.86% less ownership

Funds ownership: 110.86%107.99% (-2.9%)

44% less call options, than puts

Call options by funds: $24.5M | Put options by funds: $44.1M

60% less funds holding in top 10

Funds holding in top 10: 52 (-3)

Holders
328
Holders Change
Holders Change %
% of All Funds
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
New
Increased
Reduced
Closed
Calls
$24.5M
Puts
$44.1M
Net Calls
Net Calls Change

Top Buyers

1 +$91.6M
2 +$57.5M
3 +$53.9M
4
Invesco
Invesco
Georgia
+$53.1M
5
Fidelity Investments
Fidelity Investments
Massachusetts
+$35.1M
Name Holding Trade Value Shares
Change
Change in
Stake
State Board of Administration of Florida Retirement System
151
State Board of Administration of Florida Retirement System
Florida
$1.55M
HCA
152
Harbor Capital Advisors
Illinois
$1.55M
PFSRSONJ
153
Police & Firemen's Retirement System of New Jersey
New Jersey
$1.54M
Citadel Advisors
154
Citadel Advisors
Florida
$1.53M
QT
155
Quantbot Technologies
New York
$1.44M
YIH
156
Y-Intercept (HK)
Hong Kong
$1.44M
FCM
157
Fieldview Capital Management
Michigan
$1.41M
OQS
158
Occudo Quantitative Strategies
Florida
$1.39M
SF
159
Synovus Financial
Georgia
$1.38M
WLG
160
Williamson Legacy Group
Indiana
$1.32M
Calamos Advisors
161
Calamos Advisors
Illinois
$1.29M
AAIS
162
ABN AMRO Investment Solutions
$1.23M
HWAM
163
Hennion & Walsh Asset Management
New Jersey
$1.21M
RPAM
164
Rhenman & Partners Asset Management
Sweden
$1.2M
LNWWM
165
Laird Norton Wetherby Wealth Management
California
$1.16M
KK
166
KLP Kapitalforvaltning
Norway
$1.14M
VFA
167
Values First Advisors
Tennessee
$1.07M
II
168
Inspire Investing
Idaho
$1.04M
VCM
169
Virtue Capital Management
Tennessee
$1.02M
CAPTRUST Financial Advisors
170
CAPTRUST Financial Advisors
North Carolina
$1M
BC
171
Bayforest Capital
United Kingdom
$999K
CIM
172
CIM Investment Management
Pennsylvania
$946K
ProShare Advisors
173
ProShare Advisors
Maryland
$938K
SO
174
STRS Ohio
Ohio
$929K
Dimensional Fund Advisors
175
Dimensional Fund Advisors
Texas
$927K