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AtriCure
ATRC

Overview Fund Activity

115 hedge funds and large institutions have $418M invested in AtriCure in 2014 Q1 according to their latest regulatory filings, with 38 funds opening new positions, 45 increasing their positions, 25 reducing their positions, and 7 closing their positions.

New
Increased
Maintained
Reduced
Closed
Holders
115
Holders Change
+29
Holders Change %
+33.72%
% of All Funds
3.32%
Holding in Top 10
2
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-66.67%
% of All Funds
0.06%
New
38
Increased
45
Reduced
25
Closed
7
Calls
$220K
Puts
$19K
Net Calls
+$201K
Net Calls Change
+$201K

Top Buyers

1
PC
1
Polar Capital
United Kingdom
$15.4M
2
RIM
2
RS Investment Management
California
$11.5M
3
PCM
3
Palisade Capital Management
New Jersey
$10.4M
4
Millennium Management
4
Millennium Management
New York
$13.6M
5
SCA
5
SAC Capital Advisors
Connecticut
$8.91M

Top Sellers

1
TCM
1
Tamarack Capital Management
California
$7.94M
2
TAM
2
THB Asset Management
Connecticut
$15.7M
3
WA
3
Wasatch Advisors
Utah
$12M
4
UBS AM
4
UBS AM
Illinois
$0
5
FLAM
5
First Light Asset Management
Minnesota
$8.65M
Name Holding Trade Value Shares
Change 		Shares
Change %
NI
26
Numeric Investors
Massachusetts
$5.97M +$3.93M +208,824 +193%
Lord, Abbett & Co
27
Lord, Abbett & Co
New Jersey
$5.95M +$5.95M +316,069 New
NCGI
28
Next Century Growth Investors
Minnesota
$5.9M +$5.9M +313,768 New
MHP
29
Manatuck Hill Partners
Connecticut
$5.77M +$1.45M +77,000 +34%
Northern Trust
30
Northern Trust
Illinois
$5.71M +$190K +10,105 +3%
Wellington Management Group
31
Wellington Management Group
Massachusetts
$5.62M -$2.39M -126,830 -30%
Alyeska Investment Group
32
Alyeska Investment Group
Illinois
$4.69M +$4.69M +249,310 New
KIA
33
Kopp Investment Advisors
Minnesota
$4.64M +$1.14M +60,475 +32%
CCM
34
Catapult Capital Management
New York
$4.04M -$564 -30 -0%
Massachusetts Financial Services
35
Massachusetts Financial Services
Massachusetts
$3.34M -$840K -44,680 -20%
BG
36
BlackRock Group
United Kingdom
$3.31M +$3.31M +175,740 New
WSA
37
Wall Street Associates
California
$3.3M – – –
EI
38
EAM Investors
California
$3.13M -$1.48M -78,552 -32%
DCM
39
Driehaus Capital Management
Illinois
$2.91M +$1.61M +85,347 +124%
EIM
40
Essex Investment Management
Massachusetts
$2.83M +$1.18M +62,691 +71%
BlackRock
41
BlackRock
New York
$2.75M +$2.74M +145,481 +22,416%
EAM
42
Eventide Asset Management
Massachusetts
$2.71M +$1.4M +74,500 +108%
OAM
43
Oxford Asset Management
United Kingdom
$2.63M +$2.63M +139,690 New
EA
44
Emerald Advisers
Pennsylvania
$2.51M +$2.51M +133,220 New
PCM
45
Perkins Capital Management
Minnesota
$2.47M -$1.14M -60,335 -31%
Allianz Asset Management
46
Allianz Asset Management
Germany
$2.44M +$188K +10,005 +8%
Geode Capital Management
47
Geode Capital Management
Massachusetts
$2.26M +$770K +40,941 +52%
Bank of New York Mellon
48
Bank of New York Mellon
New York
$2.18M +$450K +23,893 +26%
EMFAT
49
Emerald Mutual Fund Advisers Trust
Pennsylvania
$2.13M +$2.13M +112,970 New
BCM
50
Bridgeway Capital Management
Texas
$2.04M -$483K -25,700 -19%
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