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AtriCure
ATRC

Overview Fund Activity

71 hedge funds and large institutions have $146M invested in AtriCure in 2013 Q2 according to their latest regulatory filings, with 71 funds opening new positions, increasing their positions, reducing their positions, and closing their positions.

Holders
71
Holders Change
+71
Holders Change %
–
% of All Funds
2.32%
Holding in Top 10
2
Holding in Top 10 Change
+2
Holding in Top 10 Change %
%
% of All Funds
0.07%
New
71
Increased
–
Reduced
–
Closed
–
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
CAM
1
Cortina Asset Management
Wisconsin
$10.5M
2
TAM
2
THB Asset Management
Connecticut
$10.3M
3
NC
3
Northpointe Capital
Michigan
$8.6M
4
TCM
4
Tamarack Capital Management
California
$8.29M
5
Adage Capital Partners
5
Adage Capital Partners
Massachusetts
$8.12M

Top Sellers

No sellers this quarter
Name Market Value Shares Shares
Change 		Shares
Change %
CAM
1
Cortina Asset Management
Wisconsin
$10.5M 1,104,869 +1,104,869 New
TAM
2
THB Asset Management
Connecticut
$10.3M 1,087,256 +1,087,256 New
NC
3
Northpointe Capital
Michigan
$8.6M 905,271 +905,271 New
TCM
4
Tamarack Capital Management
California
$8.29M 872,447 +872,447 New
Adage Capital Partners
5
Adage Capital Partners
Massachusetts
$8.12M 854,386 +854,386 New
WA
6
Wasatch Advisors
Utah
$8.11M 854,099 +854,099 New
BC
7
Broadfin Capital
New York
$7.52M 791,841 +791,841 New
MRM
8
Michael R. Murphy
$7.48M 786,950 +786,950 New
Wellington Management Group
9
Wellington Management Group
Massachusetts
$6.35M 668,310 +668,310 New
DM
10
Deerfield Management
New York
$5.99M 630,000 +630,000 New
BFA
11
BlackRock Fund Advisors
California
$4.96M 521,878 +521,878 New
Deutsche Bank
12
Deutsche Bank
Germany
$4.55M 479,003 +479,003 New
DCM
13
DAFNA Capital Management
California
$4.54M 477,701 +477,701 New
Wells Fargo
14
Wells Fargo
California
$4.34M 456,521 +456,521 New
Vanguard Group
15
Vanguard Group
Pennsylvania
$4.18M 439,905 +439,905 New
KIA
16
Kopp Investment Advisors
Minnesota
$4.15M 436,822 +436,822 New
Manulife (Manufacturers Life Insurance)
17
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$3.2M 336,998 +336,998 New
MHP
18
Manatuck Hill Partners
Connecticut
$2.85M 299,500 +299,500 New
BIT
19
BlackRock Institutional Trust
California
$2.37M 249,144 +249,144 New
State Street
20
State Street
Massachusetts
$2.34M 246,433 +246,433 New
Northern Trust
21
Northern Trust
Illinois
$2.27M 239,031 +239,031 New
WSA
22
Wall Street Associates
California
$1.81M 189,959 +189,959 New
Massachusetts Financial Services
23
Massachusetts Financial Services
Massachusetts
$1.76M 184,790 +184,790 New
SC
24
Skylands Capital
Wisconsin
$1.67M 176,200 +176,200 New
Alyeska Investment Group
25
Alyeska Investment Group
Illinois
$1.58M 165,737 +165,737 New
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