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iRhythm Holdings

330 hedge funds and large institutions have $6.24B invested in iRhythm Holdings in 2025 Q4 according to their latest regulatory filings, with 45 funds opening new positions, 108 increasing their positions, 120 reducing their positions, and 43 closing their positions.

New
Increased
Maintained
Reduced
Closed

more ownership

Funds ownership:

more first-time investments, than exits

New positions opened: | Existing positions closed:

more capital invested

Capital invested by funds: $ → $

more funds holding in top 10

Funds holding in top 10:

2% less funds holding

Funds holding: 336330 (-6)

10% less repeat investments, than reductions

Existing positions increased: 108 | Existing positions reduced: 120

67% less call options, than puts

Call options by funds: $7M | Put options by funds: $21.3M

Holders
330
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
$7M
Puts
$21.3M
Net Calls
Net Calls Change

Top Buyers

1 +$209M
2 +$97.2M
3 +$56.6M
4
UBS AM
UBS AM
Illinois
+$46M
5
Holocene Advisors
Holocene Advisors
New York
+$37.3M

Top Sellers

1 -$187M
2 -$95.1M
3 -$62.9M
4
Man Group
Man Group
United Kingdom
-$26.6M
5
Point72 Asset Management
Point72 Asset Management
Connecticut
-$22.8M
Name Holding Trade Value Shares
Change
Change in
Stake
CIBC Private Wealth Group
176
CIBC Private Wealth Group
Georgia
$833K
LCM
177
Legato Capital Management
California
$828K
YC
178
Yarbrough Capital
Tennessee
$825K
FRM
179
Fox Run Management
Connecticut
$787K
Acadian Asset Management
180
Acadian Asset Management
Massachusetts
$714K
Canada Life
181
Canada Life
Manitoba, Canada
$658K
Truist Financial
182
Truist Financial
North Carolina
$638K
Marshall Wace
183
Marshall Wace
United Kingdom
$632K
HCA
184
Harbour Capital Advisors
Virginia
$620K
YIH
185
Y-Intercept (HK)
Hong Kong
$620K
I
186
InceptionR
California
$608K
Public Employees Retirement Association of Colorado
187
Public Employees Retirement Association of Colorado
Colorado
$604K
PNC Financial Services Group
188
PNC Financial Services Group
Pennsylvania
$587K
LPL Financial
189
LPL Financial
California
$581K
IAS
190
IMA Advisory Services
Colorado
$573K
AA
191
Ancora Advisors
Ohio
$573K
VI
192
Versor Investments
New York
$566K
OSAM
193
O'Shaughnessy Asset Management
Connecticut
$555K
Mariner
194
Mariner
Kansas
$528K
Los Angeles Capital Management
195
Los Angeles Capital Management
California
$523K
BC
196
Bayforest Capital
United Kingdom
$514K
GCM
197
Graham Capital Management
Connecticut
$503K
MAG
198
MRA Advisory Group
New Jersey
$491K
SI
199
Stephens Inc
Arkansas
$491K
Mitsubishi UFJ Asset Management
200
Mitsubishi UFJ Asset Management
Japan
$482K