DRIEHAUS CAPITAL MANAGEMENT LLC - ATRICURE INC ownership

ATRICURE INC's ticker is ATRC and the CUSIP is 04963C209. A total of 122 filers reported holding ATRICURE INC in Q3 2015. The put-call ratio across all filers is - and the average weighting 0.4%.

Quarter-by-quarter ownership
DRIEHAUS CAPITAL MANAGEMENT LLC ownership history of ATRICURE INC
ValueSharesWeighting
Q3 2022$5,159,000
-43.0%
131,955
-40.5%
0.08%
-46.9%
Q2 2022$9,056,000
-33.8%
221,643
+6.4%
0.15%
-12.5%
Q1 2022$13,674,000
-7.1%
208,229
-1.6%
0.17%
+12.0%
Q4 2021$14,713,000
-3.2%
211,605
-3.2%
0.15%
-16.7%
Q3 2021$15,200,000
-18.5%
218,553
-7.0%
0.18%
-27.1%
Q2 2021$18,652,000
+161.5%
235,119
+116.0%
0.25%
+135.2%
Q1 2021$7,133,000
+53.8%
108,865
+30.7%
0.10%
+40.0%
Q4 2020$4,637,000
+24.7%
83,294
-10.6%
0.08%
-1.3%
Q3 2020$3,719,000
-31.9%
93,216
-23.3%
0.08%
-42.9%
Q2 2020$5,465,000
+1607.8%
121,583
+822.5%
0.13%
+1008.3%
Q2 2017$320,000
-89.4%
13,180
-92.6%
0.01%
-87.6%
Q1 2016$3,006,000
-63.6%
178,594
-51.5%
0.10%
-65.1%
Q4 2015$8,261,000
-53.6%
368,138
-54.7%
0.28%
-56.7%
Q3 2015$17,795,000
+8.4%
812,198
+21.9%
0.64%
+13.0%
Q2 2015$16,423,000
+175.5%
666,520
+129.1%
0.57%
+174.4%
Q1 2015$5,961,000
+28.2%
290,912
+24.9%
0.21%
+10.7%
Q4 2014$4,651,000
+95.5%
232,994
+80.0%
0.19%
+142.9%
Q2 2014$2,379,000
-18.1%
129,434
-16.2%
0.08%
-15.4%
Q1 2014$2,905,000
+125.0%
154,441
+123.5%
0.09%
+93.6%
Q4 2013$1,291,00069,0940.05%
Other shareholders
ATRICURE INC shareholders Q3 2015
NameSharesValueWeighting ↓
Hudson Executive Capital LP 3,710,000$82,992,00020.87%
First Light Asset Management, LLC 1,033,736$23,125,0007.32%
DAFNA Capital Management LLC 384,145$8,593,0005.34%
KOPP INVESTMENT ADVISORS LLC 114,599$2,564,0002.35%
PERKINS CAPITAL MANAGEMENT INC 92,950$2,079,0002.18%
Tamarack Advisers, LP 100,000$2,237,0001.37%
AlphaOne Investment Services, LLC 170,525$3,815,0001.01%
EMERALD ADVISERS, LLC 560,701$12,543,0000.51%
PEREGRINE CAPITAL MANAGEMENT LLC 924,740$20,686,0000.50%
EMERALD MUTUAL FUND ADVISERS TRUST 499,190$11,167,0000.46%
View complete list of ATRICURE INC shareholders