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iRhythm Technologies
IRTC

Overview Fund Activity

118 hedge funds and large institutions have $1.3B invested in iRhythm Technologies in 2017 Q4 according to their latest regulatory filings, with 27 funds opening new positions, 48 increasing their positions, 30 reducing their positions, and 15 closing their positions.

Holders
118
Holders Change
+12
Holders Change %
+11.32%
% of All Funds
2.68%
Holding in Top 10
3
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.07%
New
27
Increased
48
Reduced
30
Closed
15
Calls
$2M
Puts
$3.35M
Net Calls
-$1.35M
Net Calls Change
-$511K

Top Buyers

1
Norges Bank
1
Norges Bank
Norway
$18.9M
2
Loomis, Sayles & Company
2
Loomis, Sayles & Company
Massachusetts
$18.8M
3
O
3
OppenheimerFunds
New York
$15.4M
4
Citadel Advisors
4
Citadel Advisors
Florida
$33.3M
5
RG
5
Redmile Group
California
$45.7M

Top Sellers

1
NLVP
1
New Leaf Venture Partners
New York
$18.4M
2
CWAM
2
Columbia Wanger Asset Management
Illinois
$45.3M
3
Wells Fargo
3
Wells Fargo
California
$18.6M
4
MWNA
4
Marshall Wace North America
New York
$0
5
CS
5
Credit Suisse
Switzerland
$657K
Name Market Value Shares Shares
Change 		Shares
Change %
Capital Research Global Investors
1
Capital Research Global Investors
California
$137M 2,439,180 +40,000 +2%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$116M 2,069,810 -85,732 -4%
BlackRock
3
BlackRock
New York
$89.9M 1,604,250 +120,352 +8%
Franklin Resources
4
Franklin Resources
California
$58.9M 1,050,516 -14,989 -1%
AllianceBernstein
5
AllianceBernstein
Tennessee
$57M 1,016,126 +13,236 +1%
RG
6
Redmile Group
California
$45.7M 814,574 +262,533 +48%
CWAM
7
Columbia Wanger Asset Management
Illinois
$45.3M 808,522 -331,553 -29%
Vanguard Group
8
Vanguard Group
Pennsylvania
$42.5M 758,466 +26,373 +4%
Bank of New York Mellon
9
Bank of New York Mellon
New York
$42.4M 756,700 +19,429 +3%
TCM
10
TimesSquare Capital Management
New York
$37.4M 666,620 -130,000 -16%
Citadel Advisors
11
Citadel Advisors
Florida
$33.3M 594,494 +271,543 +84%
JPMorgan Chase & Co
12
JPMorgan Chase & Co
New York
$29.1M 518,565 +205,194 +65%
WRF
13
Waddell & Reed Financial
Kansas
$27M 480,828 +77,466 +19%
Point72 Asset Management
14
Point72 Asset Management
Connecticut
$26.3M 470,099 +201,648 +75%
Millennium Management
15
Millennium Management
New York
$24.3M 433,087 +109,914 +34%
PA
16
Perceptive Advisors
New York
$24M 427,371 +54,700 +15%
RSCM
17
Rock Springs Capital Management
Maryland
$22.8M 406,000 +20,000 +5%
NCGI
18
Next Century Growth Investors
Minnesota
$21.9M 390,426 -23,429 -6%
Fidelity International
19
Fidelity International
Bermuda
$21.1M 376,776 +174,512 +86%
Norges Bank
20
Norges Bank
Norway
$18.9M 337,559 +337,559 New
Loomis, Sayles & Company
21
Loomis, Sayles & Company
Massachusetts
$18.8M 335,488 +335,488 New
Wells Fargo
22
Wells Fargo
California
$18.6M 332,324 -276,863 -45%
NLVP
23
New Leaf Venture Partners
New York
$18.4M 328,741 -375,000 -53%
State Street
24
State Street
Massachusetts
$17.5M 312,683 +76,136 +32%
Lord, Abbett & Co
25
Lord, Abbett & Co
New Jersey
$15.5M 277,352 -30,615 -10%
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