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iRhythm Holdings

334 hedge funds and large institutions have $6.24B invested in iRhythm Holdings in 2025 Q4 according to their latest regulatory filings, with 46 funds opening new positions, 109 increasing their positions, 122 reducing their positions, and 42 closing their positions.

New
Increased
Maintained
Reduced
Closed

1.14% more ownership

Funds ownership: 108.02%109.16% (+1.1%)

10% more first-time investments, than exits

New positions opened: 46 | Existing positions closed: 42

5% more capital invested

Capital invested by funds: $5.96B → $6.24B (+$278M)

0% more funds holding in top 10

Funds holding in top 10: 22 (0)

1% less funds holding

Funds holding: 337334 (-3)

11% less repeat investments, than reductions

Existing positions increased: 109 | Existing positions reduced: 122

67% less call options, than puts

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

Holders
334
Holders Change
-3
Holders Change %
-0.89%
% of All Funds
4.06%
Holding in Top 10
2
Holding in Top 10 Change
Holding in Top 10 Change %
% of All Funds
0.02%
New
46
Increased
109
Reduced
122
Closed
42
Calls
$7M
Puts
$21.3M
Net Calls
-$14.3M
Net Calls Change
+$5.32M
Name Holding Trade Value Shares
Change
Change in
Stake
Susquehanna International Group
176
Susquehanna International Group
Pennsylvania
$844K +$843K +4,759 New
CIBC Private Wealth Group
177
CIBC Private Wealth Group
Georgia
$833K +$133K +748 +19%
LCM
178
Legato Capital Management
California
$828K +$271K +1,530 +49%
YC
179
Yarbrough Capital
Tennessee
$825K
FRM
180
Fox Run Management
Connecticut
$787K -$164K -923 -17%
Acadian Asset Management
181
Acadian Asset Management
Massachusetts
$714K +$715K +4,034 New
Canada Life
182
Canada Life
Manitoba, Canada
$658K +$103K +584 +19%
Truist Financial
183
Truist Financial
North Carolina
$638K -$25.5K -144 -4%
Marshall Wace
184
Marshall Wace
United Kingdom
$632K +$408K +2,301 +182%
HCA
185
Harbour Capital Advisors
Virginia
$620K
YIH
186
Y-Intercept (HK)
Hong Kong
$620K -$865K -4,881 -58%
I
187
InceptionR
California
$608K +$251K +1,416 +70%
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 +$64.9K +366 +12%
LPL Financial
190
LPL Financial
California
$581K +$44.8K +253 +8%
AA
191
Ancora Advisors
Ohio
$573K
IAS
192
IMA Advisory Services
Colorado
$573K
VI
193
Versor Investments
New York
$566K -$169K -951 -23%
OSAM
194
O'Shaughnessy Asset Management
Connecticut
$555K -$81.3K -459 -13%
Mariner
195
Mariner
Kansas
$528K -$118K -666 -18%
Los Angeles Capital Management
196
Los Angeles Capital Management
California
$523K -$7.27K -41 -1%
BC
197
Bayforest Capital
United Kingdom
$514K -$516K -2,913 -50%
GCM
198
Graham Capital Management
Connecticut
$503K +$155K +874 +45%
MAG
199
MRA Advisory Group
New Jersey
$491K +$8.86K +50 +2%
SI
200
Stephens Inc
Arkansas
$491K +$81.5K +460 +20%