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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
Voloridge Investment Management
126
Voloridge Investment Management
Florida
$3.29M
MIM
127
MetLife Investment Management
New Jersey
$3.21M
DM
128
Deerfield Management
New York
$2.97M
LCG
129
Lisanti Capital Growth
New York
$2.89M
IIM
130
INTECH Investment Management
Florida
$2.62M
GIM
131
Granahan Investment Management
Massachusetts
$2.57M
CPC
132
Cookson Peirce & Co
Pennsylvania
$2.5M
Creative Planning
133
Creative Planning
Kansas
$2.47M
Janus Henderson Group
134
Janus Henderson Group
United Kingdom
$2.38M
SG Americas Securities
135
SG Americas Securities
New York
$2.35M
ACM
136
Aquatic Capital Management
Illinois
$2.29M
Baird Financial Group
137
Baird Financial Group
Wisconsin
$2.29M
State of New Jersey Common Pension Fund D
138
State of New Jersey Common Pension Fund D
New Jersey
$2.19M
Franklin Resources
139
Franklin Resources
California
$2.1M
BMSSC
140
B. Metzler seel. Sohn & Co
Germany
$1.91M
SSA
141
Schonfeld Strategic Advisors
New York
$1.86M
Osaic Holdings
142
Osaic Holdings
Arizona
$1.83M
OCM
143
One Capital Management
California
$1.79M
FFL
144
Future Fund LLC
Illinois
$1.79M
WF
145
WoodTrust Financial
Wisconsin
$1.72M
AG
146
Ascent Group
Virginia
$1.64M
ASRS
147
Arizona State Retirement System
Arizona
$1.62M
N
148
Numerai
California
$1.59M
Handelsbanken Fonder
149
Handelsbanken Fonder
Sweden
$1.57M
Zurich Cantonal Bank
150
Zurich Cantonal Bank
Switzerland
$1.56M