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iRhythm Holdings

332 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, 109 increasing their positions, 121 reducing their positions, and 42 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:

10% less repeat investments, than reductions

Existing positions increased: 109 | Existing positions reduced: 121

1% less funds holding

Funds holding: 336332 (-4)

67% less call options, than puts

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

Holders
332
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
Susquehanna International Group
176
Susquehanna International Group
Pennsylvania
$844K
CIBC Private Wealth Group
177
CIBC Private Wealth Group
Georgia
$833K
LCM
178
Legato Capital Management
California
$828K
YC
179
Yarbrough Capital
Tennessee
$825K
FRM
180
Fox Run Management
Connecticut
$787K
Acadian Asset Management
181
Acadian Asset Management
Massachusetts
$714K
Canada Life
182
Canada Life
Manitoba, Canada
$658K
Truist Financial
183
Truist Financial
North Carolina
$638K
Marshall Wace
184
Marshall Wace
United Kingdom
$632K
HCA
185
Harbour Capital Advisors
Virginia
$620K
YIH
186
Y-Intercept (HK)
Hong Kong
$620K
I
187
InceptionR
California
$608K
Public Employees Retirement Association of Colorado
188
Public Employees Retirement Association of Colorado
Colorado
$604K
PNC Financial Services Group
189
PNC Financial Services Group
Pennsylvania
$587K
LPL Financial
190
LPL Financial
California
$581K
IAS
191
IMA Advisory Services
Colorado
$573K
AA
192
Ancora Advisors
Ohio
$573K
VI
193
Versor Investments
New York
$566K
OSAM
194
O'Shaughnessy Asset Management
Connecticut
$555K
Mariner
195
Mariner
Kansas
$528K
Los Angeles Capital Management
196
Los Angeles Capital Management
California
$523K
BC
197
Bayforest Capital
United Kingdom
$514K
GCM
198
Graham Capital Management
Connecticut
$503K
MAG
199
MRA Advisory Group
New Jersey
$491K
SI
200
Stephens Inc
Arkansas
$491K