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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.

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 Market Value Shares Shares
Change 		Shares
Change %
Adage Capital Partners
1
Adage Capital Partners
Massachusetts
$25.1M 1,334,673 +122,469 +10%
CAM
2
Cortina Asset Management
Wisconsin
$18.7M 995,254 +138,213 +16%
TAM
3
THB Asset Management
Connecticut
$15.7M 834,488 -233,425 -22%
PC
4
Polar Capital
United Kingdom
$15.4M 817,195 +817,195 New
Fidelity Investments
5
Fidelity Investments
Massachusetts
$15M 800,000 – –
NC
6
Northpointe Capital
Michigan
$14.7M 782,179 +60,203 +8%
Millennium Management
7
Millennium Management
New York
$13.6M 724,498 +507,647 +234%
BC
8
Broadfin Capital
New York
$13.4M 712,495 +275,000 +63%
BFA
9
BlackRock Fund Advisors
California
$12.8M 679,128 +113,428 +20%
Vanguard Group
10
Vanguard Group
Pennsylvania
$12.2M 648,226 +127,160 +24%
WA
11
Wasatch Advisors
Utah
$12M 639,275 -196,349 -23%
RIM
12
RS Investment Management
California
$11.5M 610,500 +610,500 New
DCM
13
DAFNA Capital Management
California
$10.7M 570,987 +114,286 +25%
CM
14
Castleark Management
Illinois
$10.7M 568,222 +229,686 +68%
PCM
15
Palisade Capital Management
New Jersey
$10.4M 551,495 +551,495 New
BA
16
BlackRock Advisors
Delaware
$9.13M 485,336 +453,782 +1,438%
SCA
17
SAC Capital Advisors
Connecticut
$8.91M 473,478 +473,478 New
BIT
18
BlackRock Institutional Trust
California
$8.85M 470,651 +59,258 +14%
FLAM
19
First Light Asset Management
Minnesota
$8.65M 459,709 -139,339 -23%
TCM
20
Tamarack Capital Management
California
$7.94M 422,292 -419,308 -50%
Federated Hermes
21
Federated Hermes
Pennsylvania
$7.84M 417,000 +417,000 New
PI
22
Putnam Investments
Massachusetts
$6.92M 367,653 +367,653 New
Wells Fargo
23
Wells Fargo
California
$6.88M 365,951 +6,702 +2%
Deutsche Bank
24
Deutsche Bank
Germany
$6.47M 343,977 -34,910 -9%
State Street
25
State Street
Massachusetts
$6.35M 337,378 +44,068 +15%
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