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AtriCure

Name Holding Trade Value Shares
Change
Change in
Stake
PCM
101
Portolan Capital Management
Massachusetts
– -$5.82M -297,592 Closed
RCP
102
Rothschild Capital Partners
New York
– -$4.7M -240,260 Closed
CCI
103
Columbus Circle Investors
– -$2.04M -104,179 Closed
GC
104
GMT Capital
Georgia
– -$1.43M -73,193 Closed
Susquehanna International Group
105
Susquehanna International Group
Pennsylvania
– -$1.22M -69,759 Closed
Renaissance Technologies
106
Renaissance Technologies
New York
– -$1.12M -57,200 Closed
GC
107
Globeflex Capital
California
– -$933K -47,700 Closed
Two Sigma Investments
108
Two Sigma Investments
New York
– -$516K -26,343 Closed
ARTA
109
A.R.T. Advisors
New York
– -$340K -17,400 Closed
Tudor Investment Corp
110
Tudor Investment Corp
Connecticut
– -$253K -12,903 Closed
BCM
111
Bayesian Capital Management
New York
– -$204K -10,400 Closed
AA
112
AlphaMark Advisors
Kentucky
– -$2K -120 Closed