UBS OCONNOR LLC - ATRICURE INC ownership

ATRICURE INC's ticker is ATRC and the CUSIP is 04963C209. A total of 211 filers reported holding ATRICURE INC in Q4 2022. The put-call ratio across all filers is 0.82 and the average weighting 0.1%.

Quarter-by-quarter ownership
UBS OCONNOR LLC ownership history of ATRICURE INC
ValueSharesWeighting
Q3 2023$2,159,033
+8.6%
49,293
+22.3%
0.05%
-14.3%
Q2 2023$1,988,862
+16.6%
40,293
-2.1%
0.06%
+21.2%
Q1 2023$1,706,082
-99.6%
41,160
+234.6%
0.05%
+477.8%
Q3 2022$481,000,000
-21.9%
12,300
-50.8%
0.01%
-18.2%
Q2 2015$616,000,000
-24.9%
25,000
-37.5%
0.01%
-38.9%
Q1 2015$820,000,000
-31.6%
40,000
-33.3%
0.02%
-14.3%
Q4 2014$1,198,000,000
+35.7%
60,0000.0%0.02%
+40.0%
Q3 2014$883,000,000
+20.1%
60,000
+50.0%
0.02%
+7.1%
Q2 2014$735,000,000
-21.8%
40,000
-20.0%
0.01%
-22.2%
Q1 2014$940,000,00050,0000.02%
Other shareholders
ATRICURE INC shareholders Q4 2022
NameSharesValueWeighting ↓
First Light Asset Management, LLC 1,364,812$89,627,0007.90%
SECTORAL ASSET MANAGEMENT INC 218,164$14,327,0002.54%
Tamarack Advisers, LP 65,000$4,269,0002.02%
PERKINS CAPITAL MANAGEMENT INC 34,350$2,256,0001.85%
DAFNA Capital Management LLC 72,029$4,730,0001.23%
EMERALD ADVISERS, LLC 436,379$28,657,0001.09%
EMERALD MUTUAL FUND ADVISERS TRUST 358,666$23,554,0001.04%
Midwest Wealth Management Inc. 23,028$1,512,0000.92%
PURA VIDA INVESTMENTS, LLC 336,615$22,106,0000.72%
FRED ALGER MANAGEMENT, LLC 2,759,355$181,207,0000.58%
View complete list of ATRICURE INC shareholders