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iRhythm Technologies
IRTC

Overview Fund Activity

251 hedge funds and large institutions have $4B invested in iRhythm Technologies in 2024 Q1 according to their latest regulatory filings, with 51 funds opening new positions, 77 increasing their positions, 89 reducing their positions, and 21 closing their positions.

Holders
251
Holders Change
+30
Holders Change %
+13.57%
% of All Funds
3.64%
Holding in Top 10
1
Holding in Top 10 Change
-1
Holding in Top 10 Change %
-50%
% of All Funds
0.01%
New
51
Increased
77
Reduced
89
Closed
21
Calls
$27.7M
Puts
$27.7M
Net Calls
-$47K
Net Calls Change
+$2.43M

Top Buyers

1
Westfield Capital Management
1
Westfield Capital Management
Massachusetts
$58.3M
2
Loomis, Sayles & Company
2
Loomis, Sayles & Company
Massachusetts
$35.5M
3
Citadel Advisors
3
Citadel Advisors
Florida
$36.9M
4
CIP
4
Champlain Investment Partners
Vermont
$66.8M
5
Schroder Investment Management Group
5
Schroder Investment Management Group
United Kingdom
$33.5M

Top Sellers

1
Morgan Stanley
1
Morgan Stanley
New York
$21.5M
2
SPPAM
2
Summit Partners Public Asset Management
Massachusetts
$0
3
SPC
3
Slate Path Capital
New York
$59.2M
4
LOM
4
LTS One Management
New York
$0
5
JPMorgan Chase & Co
5
JPMorgan Chase & Co
New York
$112M
Name Market Value Shares Shares
Change 		Shares
Change %
Vanguard Group
1
Vanguard Group
Pennsylvania
$342M 2,949,442 -44,001 -1%
Capital Research Global Investors
2
Capital Research Global Investors
California
$289M 2,495,334 -292 -0%
BlackRock
3
BlackRock
New York
$283M 2,441,123 -53,280 -2%
Artisan Partners
4
Artisan Partners
Wisconsin
$249M 2,144,942 +73,442 +4%
Sands Capital Management
5
Sands Capital Management
Virginia
$249M 2,143,026 -94,724 -4%
Mackenzie Financial
6
Mackenzie Financial
Ontario, Canada
$156M 1,348,233 +83,526 +7%
AllianceBernstein
7
AllianceBernstein
Tennessee
$143M 1,234,918 -52,732 -4%
JPMorgan Chase & Co
8
JPMorgan Chase & Co
New York
$112M 963,262 -198,444 -17%
Holocene Advisors
9
Holocene Advisors
New York
$107M 918,649 -44,717 -5%
William Blair & Company
10
William Blair & Company
Illinois
$96.6M 832,934 +27,842 +3%
State Street
11
State Street
Massachusetts
$89.2M 769,233 -8,294 -1%
Geode Capital Management
12
Geode Capital Management
Massachusetts
$80.1M 690,760 +19,321 +3%
Invesco
13
Invesco
Georgia
$67.7M 583,998 +131,484 +29%
Bank of New York Mellon
14
Bank of New York Mellon
New York
$67.5M 582,006 -129,909 -18%
CIP
15
Champlain Investment Partners
Vermont
$66.8M 575,800 +293,710 +104%
BNP Paribas Asset Management
16
BNP Paribas Asset Management
France
$59.4M 511,905 +64,755 +14%
SPC
17
Slate Path Capital
New York
$59.2M 510,500 -336,400 -40%
Westfield Capital Management
18
Westfield Capital Management
Massachusetts
$58.3M 502,678 +502,678 New
B
19
Braidwell
Connecticut
$56.1M 483,257 -84,900 -15%
Point72 Asset Management
20
Point72 Asset Management
Connecticut
$55.4M 477,534 +149,034 +45%
CS
21
Credit Suisse
Switzerland
$52.8M 454,827 -19,296 -4%
FLAM
22
First Light Asset Management
Minnesota
$48.8M 420,892 +268,829 +177%
Allspring Global Investments
23
Allspring Global Investments
North Carolina
$48.1M 415,026 +49,168 +13%
SIMG
24
Stephens Investment Management Group
Texas
$47.8M 411,773 +52,548 +15%
RSCM
25
Rock Springs Capital Management
Maryland
$45.5M 392,250 +41,500 +12%
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