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AtriCure
ATRC

Overview Fund Activity

113 hedge funds and large institutions have $431M invested in AtriCure in 2016 Q1 according to their latest regulatory filings, with 9 funds opening new positions, 47 increasing their positions, 38 reducing their positions, and 14 closing their positions.

Holders
113
Holders Change
-5
Holders Change %
-4.24%
% of All Funds
3.02%
Holding in Top 10
2
Holding in Top 10 Change
-4
Holding in Top 10 Change %
-66.67%
% of All Funds
0.05%
New
9
Increased
47
Reduced
38
Closed
14
Calls
$103K
Puts
$69K
Net Calls
+$34K
Net Calls Change
+$31K

Top Buyers

1
Fidelity Investments
1
Fidelity Investments
Massachusetts
$60.9M
2
Millennium Management
2
Millennium Management
New York
$17.3M
3
PCMI
3
Paradigm Capital Management Inc
New York
$6.41M
4
Renaissance Technologies
4
Renaissance Technologies
New York
$1.93M
5
Vanguard Group
5
Vanguard Group
Pennsylvania
$19M

Top Sellers

1
BC
1
Broadfin Capital
New York
$0
2
NC
2
Northpointe Capital
Michigan
$0
3
RIM
3
RS Investment Management
California
$36.8M
4
CM
4
Castleark Management
Illinois
$0
5
Wellington Management Group
5
Wellington Management Group
Massachusetts
$37.4M
Name Market Value Shares Shares
Change 		Shares
Change %
Fidelity Investments
1
Fidelity Investments
Massachusetts
$60.9M 3,616,600 +1,780,096 +97%
Wellington Management Group
2
Wellington Management Group
Massachusetts
$37.4M 2,221,863 -299,159 -12%
RIM
3
RS Investment Management
California
$36.8M 2,183,697 -495,854 -19%
Adage Capital Partners
4
Adage Capital Partners
Massachusetts
$22M 1,306,488 – –
Vanguard Group
5
Vanguard Group
Pennsylvania
$19M 1,131,157 +95,627 +9%
Millennium Management
6
Millennium Management
New York
$17.3M 1,030,449 +818,678 +387%
FLAM
7
First Light Asset Management
Minnesota
$15.6M 927,210 +4,653 +0.5%
EA
8
Emerald Advisers
Pennsylvania
$13.5M 799,521 +4,417 +0.6%
EMFAT
9
Emerald Mutual Fund Advisers Trust
Pennsylvania
$13.4M 793,714 -6,840 -0.9%
BFA
10
BlackRock Fund Advisors
California
$12.3M 730,545 -33,543 -4%
Wells Fargo
11
Wells Fargo
California
$11.9M 706,890 +47,820 +7%
CAM
12
Cortina Asset Management
Wisconsin
$11.3M 670,702 -8,464 -1%
CCI
13
Columbus Circle Investors
$10.2M 608,215 -94,667 -13%
BIT
14
BlackRock Institutional Trust
California
$8.86M 526,380 +72,178 +16%
TA
15
Tamarack Advisers
California
$8.84M 525,000 -175,000 -25%
DCM
16
DAFNA Capital Management
California
$8.22M 488,446 +500 +0.1%
State Street
17
State Street
Massachusetts
$7.63M 453,563 +6,340 +1%
WA
18
Wasatch Advisors
Utah
$7.06M 416,927 -9,689 -2%
William Blair Investment Management
19
William Blair Investment Management
Illinois
$6.94M 412,038 +31,630 +8%
PCMI
20
Paradigm Capital Management Inc
New York
$6.41M 381,125 +133,600 +54%
Northern Trust
21
Northern Trust
Illinois
$6.02M 351,483 +7,405 +2%
RA
22
Royce & Associates
New York
$5.58M 331,800 -93,400 -22%
Deutsche Bank
23
Deutsche Bank
Germany
$5.27M 313,550 +22,778 +8%
RCP
24
Rothschild Capital Partners
New York
$4.56M 270,641 -57,010 -17%
WRF
25
Waddell & Reed Financial
Kansas
$4.51M 267,800 -136,200 -34%
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