Walleye Trading LLC - ATRICURE INC ownership

ATRICURE INC's ticker is ATRC and the CUSIP is 04963C209. A total of 143 filers reported holding ATRICURE INC in Q4 2019. The put-call ratio across all filers is 0.40 and the average weighting 0.2%.

Quarter-by-quarter ownership
Walleye Trading LLC ownership history of ATRICURE INC
ValueSharesWeighting
Q3 2021$783,000
+121.8%
11,246
+76.9%
0.00%
+50.0%
Q4 2020$353,000
+54.1%
6,357
+10.7%
0.00%
+100.0%
Q3 2020$229,000
-29.5%
5,745
-42.6%
0.00%
-50.0%
Q4 2019$325,000
+563.3%
10,000
+618.4%
0.00%
Q3 2018$49,0001,3920.00%
Other shareholders
ATRICURE INC shareholders Q4 2019
NameSharesValueWeighting ↓
Tamarack Advisers, LP 350,000$13,965,0004.30%
SECTORAL ASSET MANAGEMENT INC 708,717$28,278,0002.43%
First Light Asset Management, LLC 561,018$22,385,0002.29%
DAFNA Capital Management LLC 133,229$5,316,0001.73%
PERKINS CAPITAL MANAGEMENT INC 44,350$1,770,0001.63%
PURA VIDA INVESTMENTS, LLC 645,003$25,736,0001.33%
Acuitas Investments, LLC 46,353$1,849,0001.30%
EMERALD MUTUAL FUND ADVISERS TRUST 477,064$19,035,0000.84%
EMERALD ADVISERS, LLC 500,848$19,984,0000.82%
Orbimed Advisors 1,228,189$49,005,0000.62%
View complete list of ATRICURE INC shareholders