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iRhythm Technologies
IRTC

Overview Fund Activity

255 hedge funds and large institutions have $3.77B invested in iRhythm Technologies in 2025 Q1 according to their latest regulatory filings, with 55 funds opening new positions, 80 increasing their positions, 82 reducing their positions, and 22 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
255
Holders Change
+30
Holders Change %
+13.33%
% of All Funds
3.46%
Holding in Top 10
3
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+50%
% of All Funds
0.04%
New
55
Increased
80
Reduced
82
Closed
22
Calls
$14.4M
Puts
$24M
Net Calls
-$9.56M
Net Calls Change
+$4.76M

Top Buyers

1
UBS AM
UBS AM
Illinois
$94.5M
2
Capital Research Global Investors
Capital Research Global Investors
California
$231M
3
Fuller & Thaler Asset Management
Fuller & Thaler Asset Management
California
$54.2M
4
Point72 Asset Management
Point72 Asset Management
Connecticut
$44M
5
Millennium Management
Millennium Management
New York
$41.8M

Top Sellers

1
Alyeska Investment Group
Alyeska Investment Group
Illinois
$0
2
Citadel Advisors
Citadel Advisors
Florida
$325K
3
Mackenzie Financial
Mackenzie Financial
Ontario, Canada
$121M
4
Sands Capital Management
Sands Capital Management
Virginia
$316M
5
B
Braidwell
Connecticut
$58.2M
Name Holding Trade Value Shares
Change 		Shares
Change %
CAS
276
Coppell Advisory Solutions
Texas
– -$87 -1 Closed
National Bank of Canada
277
National Bank of Canada
Quebec, Canada
– -$90 -1 Closed
8 9 10 11
12