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AtriCure
ATRC

Overview Fund Activity

121 hedge funds and large institutions have $590M invested in AtriCure in 2015 Q3 according to their latest regulatory filings, with 18 funds opening new positions, 43 increasing their positions, 51 reducing their positions, and 7 closing their positions.

Holders
121
Holders Change
+10
Holders Change %
+9.01%
% of All Funds
3.38%
Holding in Top 10
4
Holding in Top 10 Change
–
Holding in Top 10 Change %
–
% of All Funds
0.11%
New
18
Increased
43
Reduced
51
Closed
7
Calls
$121K
Puts
$11K
Net Calls
+$110K
Net Calls Change
-$161K

Top Buyers

1
RIM
1
RS Investment Management
California
$48.5M
2
CM
2
Castleark Management
Illinois
$7.72M
3
PC
3
Pier Capital
Connecticut
$6.5M
4
EMFAT
4
Emerald Mutual Fund Advisers Trust
Pennsylvania
$13.3M
5
DCM
5
Driehaus Capital Management
Illinois
$17.8M

Top Sellers

1
BA
1
BlackRock Advisors
Delaware
$4.36M
2
CAM
2
Cortina Asset Management
Wisconsin
$14.1M
3
PCM
3
Palisade Capital Management
New Jersey
$6.98M
4
Adage Capital Partners
4
Adage Capital Partners
Massachusetts
$21.1M
5
TAM
5
THB Asset Management
Connecticut
$3.94M
Name Market Value Shares Shares
Change 		Shares
Change %
RIM
1
RS Investment Management
California
$48.5M 2,213,351 +503,141 +29%
Fidelity Investments
2
Fidelity Investments
Massachusetts
$39.9M 1,820,000 +140,000 +8%
Wellington Management Group
3
Wellington Management Group
Massachusetts
$37.5M 1,713,605 -49,210 -3%
CCI
4
Columbus Circle Investors
$21.7M 988,373 -12,319 -1%
Vanguard Group
5
Vanguard Group
Pennsylvania
$21.3M 974,343 +59,676 +7%
Adage Capital Partners
6
Adage Capital Partners
Massachusetts
$21.1M 962,887 -187,113 -16%
FLAM
7
First Light Asset Management
Minnesota
$19.7M 899,362 +126,501 +16%
Millennium Management
8
Millennium Management
New York
$18.7M 854,769 +116,668 +16%
TCM
9
Tamarack Capital Management
California
$18.1M 825,000 -60,000 -7%
DCM
10
Driehaus Capital Management
Illinois
$17.8M 812,198 +145,678 +22%
BFA
11
BlackRock Fund Advisors
California
$16.2M 737,728 -5,438 -0.7%
CAM
12
Cortina Asset Management
Wisconsin
$14.1M 643,688 -256,154 -28%
EA
13
Emerald Advisers
Pennsylvania
$13.4M 612,039 +50,391 +9%
EMFAT
14
Emerald Mutual Fund Advisers Trust
Pennsylvania
$13.3M 606,419 +151,207 +33%
Wells Fargo
15
Wells Fargo
California
$12M 548,180 +51,740 +10%
GIM
16
Granahan Investment Management
Massachusetts
$11.7M 536,007 -1,087 -0.2%
NC
17
Northpointe Capital
Michigan
$11.1M 507,795 -157,888 -24%
DCM
18
DAFNA Capital Management
California
$10.7M 487,946 -60,665 -11%
BIT
19
BlackRock Institutional Trust
California
$10.2M 466,953 +130,712 +39%
RA
20
Royce & Associates
New York
$9.77M 446,000 +42,000 +10%
WRF
21
Waddell & Reed Financial
Kansas
$9.77M 445,800 +17,800 +4%
State Street
22
State Street
Massachusetts
$9.61M 438,637 +6,962 +2%
Lord, Abbett & Co
23
Lord, Abbett & Co
New Jersey
$9.37M 427,559 -25,303 -6%
WA
24
Wasatch Advisors
Utah
$9.35M 426,597 -95,907 -18%
BC
25
Broadfin Capital
New York
$8.84M 403,519 -79,835 -17%
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