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AtriCure

Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$68.2M +$18.5M +1,213,400 +34%
Wellington Management Group
2
Wellington Management Group
Massachusetts
$41.7M +$11.1M +729,819 +33%
RIM
3
RS Investment Management
California
$28.7M -$2.38M -155,845 -7%
Vanguard Group
4
Vanguard Group
Pennsylvania
$17.2M +$1.29M +84,953 +8%
FLAM
5
First Light Asset Management
Minnesota
$13M -$70.4K -4,620 -0.5%
Millennium Management
6
Millennium Management
New York
$12.8M -$1.93M -126,519 -12%
Wells Fargo
7
Wells Fargo
California
$12.1M +$2.32M +151,988 +22%
BFA
8
BlackRock Fund Advisors
California
$11.6M +$1.33M +87,089 +12%
BIT
9
BlackRock Institutional Trust
California
$10.4M +$3.23M +211,630 +40%
CAM
10
Cortina Asset Management
Wisconsin
$8.47M -$1.09M -71,534 -11%
EMFAT
11
Emerald Mutual Fund Advisers Trust
Pennsylvania
$7.38M -$4.14M -271,540 -34%
DCM
12
DAFNA Capital Management
California
$7.26M +$389K +25,500 +5%
EA
13
Emerald Advisers
Pennsylvania
$6.96M -$4.68M -307,328 -38%
RA
14
Royce & Associates
New York
$6.79M +$2.26M +148,500 +45%
WA
15
Wasatch Advisors
Utah
$6.71M +$878K +57,610 +14%
State Street
16
State Street
Massachusetts
$6.65M +$261K +17,093 +4%
Massachusetts Financial Services
17
Massachusetts Financial Services
Massachusetts
$5.88M +$2.91M +191,154 +85%
William Blair Investment Management
18
William Blair Investment Management
Illinois
$5.77M -$56.5K -3,706 -0.9%
Northern Trust
19
Northern Trust
Illinois
$5.6M +$683K +44,818 +13%
TA
20
Tamarack Advisers
California
$4.75M -$2.88M -189,000 -36%
PCMI
21
Paradigm Capital Management Inc
New York
$4.65M -$791K -51,900 -14%
Deutsche Bank
22
Deutsche Bank
Germany
$3.97M -$492K -32,279 -10%
WRF
23
Waddell & Reed Financial
Kansas
$3.78M
Adage Capital Partners
24
Adage Capital Partners
Massachusetts
$3.53M -$16.1M -1,056,488 -81%
RCP
25
Rothschild Capital Partners
New York
$3.44M -$410K -26,901 -10%