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AtriCure
ATRC

Overview Fund Activity

105 hedge funds and large institutions have $498M invested in AtriCure in 2014 Q4 according to their latest regulatory filings, with 10 funds opening new positions, 33 increasing their positions, 41 reducing their positions, and 14 closing their positions.

Holders
105
Holders Change
-7
Holders Change %
-6.25%
% of All Funds
2.8%
Holding in Top 10
4
Holding in Top 10 Change
+1
Holding in Top 10 Change %
+33.33%
% of All Funds
0.11%
New
10
Increased
33
Reduced
41
Closed
14
Calls
–
Puts
–
Net Calls
–
Net Calls Change
–

Top Buyers

1
Millennium Management
1
Millennium Management
New York
$16.4M
2
Massachusetts Financial Services
2
Massachusetts Financial Services
Massachusetts
$10.1M
3
Fidelity Investments
3
Fidelity Investments
Massachusetts
$22.5M
4
DCM
4
Driehaus Capital Management
Illinois
$4.65M
5
RIM
5
RS Investment Management
California
$21M

Top Sellers

1
CM
1
Castleark Management
Illinois
$0
2
GTC
2
Ghost Tree Capital
New York
$2M
3
Federated Hermes
3
Federated Hermes
Pennsylvania
$2.56M
4
BC
4
Broadfin Capital
New York
$16.5M
5
TAM
5
THB Asset Management
Connecticut
$17.7M
Name Market Value Shares Shares
Change 		Shares
Change %
Adage Capital Partners
1
Adage Capital Partners
Massachusetts
$43.4M 2,176,019 +176,019 +9%
Wellington Management Group
2
Wellington Management Group
Massachusetts
$36.4M 1,821,091 +66,556 +4%
Fidelity Investments
3
Fidelity Investments
Massachusetts
$22.5M 1,129,000 +279,000 +33%
RIM
4
RS Investment Management
California
$21M 1,054,238 +191,500 +22%
CAM
5
Cortina Asset Management
Wisconsin
$19M 950,692 -25,715 -3%
NC
6
Northpointe Capital
Michigan
$18.7M 938,216 -71,871 -7%
TAM
7
THB Asset Management
Connecticut
$17.7M 885,940 -84,800 -9%
BC
8
Broadfin Capital
New York
$16.5M 825,902 -100,000 -11%
Millennium Management
9
Millennium Management
New York
$16.4M 821,114 +393,355 +92%
BFA
10
BlackRock Fund Advisors
California
$15.2M 762,348 +98,566 +15%
Vanguard Group
11
Vanguard Group
Pennsylvania
$14.8M 740,698 +53,243 +8%
TCM
12
Tamarack Capital Management
California
$13.7M 685,000 -15,000 -2%
DCM
13
DAFNA Capital Management
California
$13.2M 661,331 +62,448 +10%
FLAM
14
First Light Asset Management
Minnesota
$12.7M 636,170 +139,499 +28%
WA
15
Wasatch Advisors
Utah
$12.3M 615,898 -22,405 -4%
PCM
16
Palisade Capital Management
New Jersey
$11.1M 555,668 +17,923 +3%
Massachusetts Financial Services
17
Massachusetts Financial Services
Massachusetts
$10.1M 504,592 +321,098 +175%
BA
18
BlackRock Advisors
Delaware
$8.81M 441,572 -2,109 -0.5%
Wells Fargo
19
Wells Fargo
California
$8.13M 407,064 +1,139 +0.3%
NCGI
20
Next Century Growth Investors
Minnesota
$7.81M 391,365 +36,612 +10%
PI
21
Putnam Investments
Massachusetts
$7.59M 380,211 +2,871 +0.8%
State Street
22
State Street
Massachusetts
$7.51M 376,296 +16,781 +5%
GIM
23
Granahan Investment Management
Massachusetts
$7.33M 367,336 -10,719 -3%
Deutsche Bank
24
Deutsche Bank
Germany
$6.3M 315,520 -12,184 -4%
Northern Trust
25
Northern Trust
Illinois
$6.22M 311,816 -13,730 -4%
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