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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
DT
351
Diversified Trust
Tennessee
-$730K -4,245 Closed
Teacher Retirement System of Texas
352
Teacher Retirement System of Texas
Texas
-$718K -4,177 Closed
TSS
353
Two Sigma Securities
New York
-$617K -3,588 Closed
Nomura Holdings
354
Nomura Holdings
Japan
-$568K -3,302 Closed
CMF
355
Counterpoint Mutual Funds
California
-$499K -2,900 Closed
ONGA
356
O'Neil Global Advisors
California
-$467K -2,718 Closed
VCM
357
Voleon Capital Management
California
-$377K -2,192 Closed
Two Sigma Investments
358
Two Sigma Investments
New York
-$361K -2,100 Closed
HighTower Advisors
359
HighTower Advisors
Illinois
-$289K -1,678 Closed
PCM
360
Prelude Capital Management
New York
-$287K -1,671 Closed
GCP
361
GSA Capital Partners
United Kingdom
-$261K -1,516 Closed
QC
362
Quadrature Capital
United Kingdom
-$242K -1,406 Closed
BC
363
Bridgefront Capital
Texas
-$238K -1,383 Closed
Stifel Financial
364
Stifel Financial
Missouri
-$223K -1,297 Closed
1C
365
111 Capital
France
-$219K -1,272 Closed
PMAM
366
Picton Mahoney Asset Management
Ontario, Canada
-$215K -1,250 Closed
SWP
367
Stratos Wealth Partners
Ohio
-$207K -1,203 Closed
Walleye Trading
368
Walleye Trading
New York
-$166K -967 Closed
Skandinaviska Enskilda Banken (SEB)
369
Skandinaviska Enskilda Banken (SEB)
Sweden
-$101K -589 Closed
Simplex Trading
370
Simplex Trading
Illinois
-$64.2K -362 Closed
FIA
371
FNY Investment Advisers
New York
-$34K -200 Closed
RA
372
Rise Advisors
New York
-$11.9K -69 Closed
HHGA
373
Halbert Hargrove Global Advisors
California
-$3.1K -18 Closed
TIM
374
Tortoise Investment Management
New York
-$1.2K -7 Closed
ASN
375
Advisory Services Network
Georgia
-$1.03K -6 Closed