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AtriCure
ATRC

Overview Fund Activity

118 hedge funds and large institutions have $599M invested in AtriCure in 2015 Q4 according to their latest regulatory filings, with 9 funds opening new positions, 41 increasing their positions, 52 reducing their positions, and 11 closing their positions.

Holders
118
Holders Change
-3
Holders Change %
-2.48%
% of All Funds
3.1%
Holding in Top 10
6
Holding in Top 10 Change
+2
Holding in Top 10 Change %
+50%
% of All Funds
0.16%
New
9
Increased
41
Reduced
52
Closed
11
Calls
$3K
Puts
–
Net Calls
+$3K
Net Calls Change
-$107K

Top Buyers

1
Wellington Management Group
1
Wellington Management Group
Massachusetts
$56.6M
2
RIM
2
RS Investment Management
California
$60.1M
3
BC
3
Broadfin Capital
New York
$18M
4
William Blair Investment Management
4
William Blair Investment Management
Illinois
$8.54M
5
Adage Capital Partners
5
Adage Capital Partners
Massachusetts
$29.3M

Top Sellers

1
Millennium Management
1
Millennium Management
New York
$4.75M
2
DCM
2
Driehaus Capital Management
Illinois
$8.26M
3
GIM
3
Granahan Investment Management
Massachusetts
$5.02M
4
CCI
4
Columbus Circle Investors
$15.8M
5
Lord, Abbett & Co
5
Lord, Abbett & Co
New Jersey
$4.67M
Name Holding Trade Value Shares
Change 		Shares
Change %
Legal & General Group
101
Legal & General Group
United Kingdom
$93K – – –
BG
102
BlackRock Group
United Kingdom
$63K -$1.74M -77,840 -97%
Teacher Retirement System of Texas
103
Teacher Retirement System of Texas
Texas
$56K -$17.9K -805 -24%
Royal Bank of Canada
104
Royal Bank of Canada
Ontario, Canada
$53K -$159K -7,052 -75%
Canada Life
105
Canada Life
Manitoba, Canada
$48K – – –
SEI Investments
106
SEI Investments
Pennsylvania
$47K -$21.5K -955 -31%
TFO
107
Tarbox Family Office
California
$46K +$46K +2,052 New
Zurich Cantonal Bank
108
Zurich Cantonal Bank
Switzerland
$35K +$25.3K +1,134 +263%
PNC Financial Services Group
109
PNC Financial Services Group
Pennsylvania
$33K +$4.16K +188 +14%
Citigroup
110
Citigroup
New York
$29K +$28.9K +1,292 +25,840%
BJ
111
BlackRock Japan
Japan
$23K – – –
BlackRock
112
BlackRock
New York
$14K -$477K -21,581 -97%
LTFS
113
Ladenburg Thalmann Financial Services
Florida
$4K – – –
IA
114
IFP Advisors
Florida
$2K +$2K +100 New
Nuveen Asset Management
115
Nuveen Asset Management
Illinois
$1.56K +$352 +15,692 +29%
HNB
116
Huntington National Bank
Ohio
$1K -$273 -18 -21%
TRCT
117
Tower Research Capital (TRC)
New York
$1K +$1K +28 New
Manulife (Manufacturers Life Insurance)
118
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$414 +$8 +370 +2%
TCM
119
Tamarack Capital Management
California
– -$18.1M -825,000 Closed
TAM
120
THB Asset Management
Connecticut
– -$3.94M -180,008 Closed
EI
121
EAM Investors
California
– -$2.7M -123,281 Closed
LCG
122
Lisanti Capital Growth
New York
– -$1.54M -70,367 Closed
Marshall Wace
123
Marshall Wace
United Kingdom
– -$952K -43,450 Closed
CCM
124
Cadence Capital Management
Massachusetts
– -$795K -36,303 Closed
Citadel Advisors
125
Citadel Advisors
Florida
– -$605K -27,606 Closed
2 3 4
5
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