Campbell & CO Investment Adviser LLC - ATRICURE INC ownership

ATRICURE INC's ticker is ATRC and the CUSIP is 04963C209. A total of 192 filers reported holding ATRICURE INC in Q1 2021. The put-call ratio across all filers is 0.09 and the average weighting 0.1%.

Quarter-by-quarter ownership
Campbell & CO Investment Adviser LLC ownership history of ATRICURE INC
ValueSharesWeighting
Q1 2023$982,365
+279.8%
23,700
+306.7%
0.18%
+195.2%
Q4 2022$258,647
-28.6%
5,828
+5.4%
0.06%
-72.1%
Q1 2021$362,000
+57.4%
5,527
+33.9%
0.22%
+58.6%
Q4 2020$230,000
-37.2%
4,127
-66.3%
0.14%
-15.7%
Q2 2019$366,000
-31.8%
12,254
-20.1%
0.17%
-54.5%
Q3 2018$537,000
+78.4%
15,339
+37.7%
0.36%
+57.3%
Q2 2018$301,000
+46.8%
11,139
+21.8%
0.23%
+39.8%
Q3 2017$205,0009,1490.17%
Other shareholders
ATRICURE INC shareholders Q1 2021
NameSharesValueWeighting ↓
Tamarack Advisers, LP 600,000$18,360,0007.49%
DAFNA Capital Management LLC 318,729$9,753,0004.85%
First Light Asset Management, LLC 965,797$29,553,0004.71%
KOPP INVESTMENT ADVISORS LLC 142,882$4,372,0004.26%
Hudson Executive Capital LP 5,317,956$162,728,0004.13%
QUANTUM CAPITAL MANAGEMENT 126,190$3,861,0002.24%
PERKINS CAPITAL MANAGEMENT INC 75,750$2,318,0001.80%
AlphaOne Investment Services, LLC 133,286$4,079,0001.69%
OBERWEIS ASSET MANAGEMENT INC/ 231,120$7,072,0001.58%
SECTORAL ASSET MANAGEMENT INC 355,728$10,885,0001.48%
View complete list of ATRICURE INC shareholders