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AtriCure

Name Holding Trade Value Shares
Change
Change in
Stake
Fidelity Investments
1
Fidelity Investments
Massachusetts
$142M +$1.69M +71,961 +1%
Wellington Management Group
2
Wellington Management Group
Massachusetts
$88.2M -$30.6M -1,300,996 -29%
BlackRock
3
BlackRock
New York
$75.4M +$3.87M +164,615 +6%
T. Rowe Price Associates
4
T. Rowe Price Associates
Maryland
$64.6M +$21.1M +898,494 +60%
HEC
5
Hudson Executive Capital
New York
$64.2M
Vanguard Group
6
Vanguard Group
Pennsylvania
$41.3M +$397K +16,890 +1%
FLAM
7
First Light Asset Management
Minnesota
$37.3M +$5M +212,733 +18%
Loomis, Sayles & Company
8
Loomis, Sayles & Company
Massachusetts
$24.9M +$2.74M +116,713 +15%
PCM
9
Peregrine Capital Management
Minnesota
$24.2M -$4.01M -170,833 -16%
Neuberger Berman Group
10
Neuberger Berman Group
New York
$20.6M -$454K -19,339 -2%
State Street
11
State Street
Massachusetts
$20.2M +$1.33M +56,650 +8%
EA
12
Emerald Advisers
Pennsylvania
$13.5M -$127K -5,410 -1%
Northern Trust
13
Northern Trust
Illinois
$11.9M +$580K +24,696 +6%
EMFAT
14
Emerald Mutual Fund Advisers Trust
Pennsylvania
$11.6M
CAM
15
Cortina Asset Management
Wisconsin
$11.3M -$180K -7,658 -2%
WA
16
Wasatch Advisors
Utah
$9.95M -$448K -19,051 -5%
RA
17
Royce & Associates
New York
$9.51M +$17.5K +746 +0.2%
Millennium Management
18
Millennium Management
New York
$9.12M -$12.3M -522,899 -61%
Geode Capital Management
19
Geode Capital Management
Massachusetts
$8.67M +$856K +36,424 +13%
DCM
20
DAFNA Capital Management
California
$8.53M -$1.73M -73,800 -19%
TA
21
Tamarack Advisers
California
$7.03M +$1.39M +59,000 +29%
Bank of New York Mellon
22
Bank of New York Mellon
New York
$6.72M +$1.1M +46,920 +23%
OAM
23
Oberweis Asset Management
Illinois
$6.14M +$5.33M +226,919 New
Manulife (Manufacturers Life Insurance)
24
Manulife (Manufacturers Life Insurance)
Ontario, Canada
$5.92M -$1.06M -45,084 -17%
D.E. Shaw & Co
25
D.E. Shaw & Co
New York
$5.8M +$499K +21,225 +11%