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AtriCure

Name Holding Trade Value Shares
Change
Change in
Stake
Adage Capital Partners
1
Adage Capital Partners
Massachusetts
$29.4M +$3.98M +250,000 +14%
Wellington Management Group
2
Wellington Management Group
Massachusetts
$25.8M +$19.3M +1,212,320 +224%
NC
3
Northpointe Capital
Michigan
$14.9M +$2.59M +162,525 +19%
CAM
4
Cortina Asset Management
Wisconsin
$14.4M +$73.8K +4,634 +0.5%
TAM
5
THB Asset Management
Connecticut
$14.3M +$962K +60,427 +7%
BC
6
Broadfin Capital
New York
$13.6M -$944K -59,291 -6%
RIM
7
RS Investment Management
California
$12.7M +$304K +19,100 +2%
Fidelity Investments
8
Fidelity Investments
Massachusetts
$12.5M +$2.39M +150,000 +21%
CM
9
Castleark Management
Illinois
$10.7M -$636K -39,932 -7%
TCM
10
Tamarack Capital Management
California
$10.3M +$1.81M +113,445 +19%
Vanguard Group
11
Vanguard Group
Pennsylvania
$10.1M +$515K +32,346 +5%
BFA
12
BlackRock Fund Advisors
California
$9.77M -$282K -17,686 -3%
WA
13
Wasatch Advisors
Utah
$9.4M -$106K -6,637 -1%
DCM
14
DAFNA Capital Management
California
$8.82M +$444K +27,896 +5%
PCM
15
Palisade Capital Management
New Jersey
$7.92M -$384K -24,113 -4%
FLAM
16
First Light Asset Management
Minnesota
$7.31M +$197K +12,351 +3%
BA
17
BlackRock Advisors
Delaware
$6.53M -$647K -40,598 -8%
Millennium Management
18
Millennium Management
New York
$6.3M +$153K +9,597 +2%
Wells Fargo
19
Wells Fargo
California
$5.97M -$636K -39,916 -9%
GIM
20
Granahan Investment Management
Massachusetts
$5.57M +$3.81M +239,440 +173%
PI
21
Putnam Investments
Massachusetts
$5.55M +$157K +9,867 +3%
State Street
22
State Street
Massachusetts
$5.29M -$78.7K -4,938 -1%
NCGI
23
Next Century Growth Investors
Minnesota
$5.22M -$123K -7,724 -2%
Deutsche Bank
24
Deutsche Bank
Germany
$4.82M -$663K -41,606 -11%
Northern Trust
25
Northern Trust
Illinois
$4.79M +$360K +22,625 +7%