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iRhythm Technologies

297 hedge funds and large institutions have $5.4B invested in iRhythm Technologies in 2025 Q2 according to their latest regulatory filings, with 69 funds opening new positions, 99 increasing their positions, 92 reducing their positions, and 22 closing their positions.

Holders
297
Holders Change
+42
Holders Change %
+16.47%
% of All Funds
3.99%
Holding in Top 10
5
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+66.67%
% of All Funds
0.07%
New
69
Increased
99
Reduced
92
Closed
22
Calls
$21.6M
Puts
$29.6M
Net Calls
-$8.01M
Net Calls Change
+$1.55M
Name Market Value Shares Shares
Change
Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$498M 3,235,660 +127,466 +4%
Sands Capital Management
2
Sands Capital Management
Virginia
$449M 2,915,527 -100,680 -3%
BlackRock
3
BlackRock
New York
$423M 2,749,635 +46,290 +2%
Artisan Partners
4
Artisan Partners
Wisconsin
$422M 2,740,841 -73,439 -3%
Capital Research Global Investors
5
Capital Research Global Investors
California
$232M 1,506,864 -695,758 -32%
State Street
6
State Street
Massachusetts
$134M 868,525 -49,163 -5%
Geode Capital Management
7
Geode Capital Management
Massachusetts
$118M 767,336 +16,967 +2%
William Blair & Company
8
William Blair & Company
Illinois
$114M 739,331 -50,668 -6%
BNP Paribas Asset Management
9
BNP Paribas Asset Management
France
$113M 734,624 -145,192 -17%
Mackenzie Financial
10
Mackenzie Financial
Ontario, Canada
$112M 729,813 -426,141 -37%
EAM
11
Eventide Asset Management
Massachusetts
$106M 691,573 -48,489 -7%
CIP
12
Champlain Investment Partners
Vermont
$102M 661,232 -161,559 -20%
UBS AM
13
UBS AM
Illinois
$93.6M 607,652 -295,432 -33%
Fuller & Thaler Asset Management
14
Fuller & Thaler Asset Management
California
$90.3M 586,478 +68,238 +13%
Bessemer Group
15
Bessemer Group
New Jersey
$87.6M 569,196 -4,857 -0.8%
JPMorgan Chase & Co
16
JPMorgan Chase & Co
New York
$86.7M 563,201 +687 +0.1%
SIMG
17
Stephens Investment Management Group
Texas
$85.1M 552,916 +32,334 +6%
Fidelity Investments
18
Fidelity Investments
Massachusetts
$64.7M 420,201 -43,022 -9%
Allspring Global Investments
19
Allspring Global Investments
North Carolina
$63.4M 434,343 -84,275 -16%
Wellington Management Group
20
Wellington Management Group
Massachusetts
$60.9M 395,316 +229,674 +139%
Goldman Sachs
21
Goldman Sachs
New York
$60.8M 394,613 -39,167 -9%
Bank of New York Mellon
22
Bank of New York Mellon
New York
$53.8M 349,338 -8,163 -2%
Bank of America
23
Bank of America
North Carolina
$53.5M 347,632 -24,288 -7%
Millennium Management
24
Millennium Management
New York
$51.8M 336,307 -63,439 -16%
FAM
25
Fred Alger Management
New York
$50.1M 325,543 +75,829 +30%