SIMPLEX TRADING, LLC - ATHENAHEALTH INC ownership

ATHENAHEALTH INC's ticker is and the CUSIP is 04685W953. A total of 3 filers reported holding ATHENAHEALTH INC in Q3 2015. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of ATHENAHEALTH INC
ValueSharesWeighting
Q4 2018$9,353,000
+89.8%
709
+92.1%
0.03%
+68.8%
Q3 2018$4,929,000
-43.0%
369
-32.0%
0.02%
-52.9%
Q2 2018$8,641,000
+45378.9%
543
+664.8%
0.03%
+3300.0%
Q1 2018$19,000
-17.4%
71
-53.3%
0.00%0.0%
Q4 2017$23,000
-64.6%
152
+23.6%
0.00%
-66.7%
Q3 2017$65,000
+54.8%
123
+20.6%
0.00%
+50.0%
Q2 2017$42,000
-41.7%
102
-17.1%
0.00%
-33.3%
Q1 2017$72,000
-67.9%
123
-64.3%
0.00%
-76.9%
Q4 2016$224,000
+180.0%
345
+124.0%
0.01%
+160.0%
Q3 2016$80,000
+90.5%
154
+28.3%
0.01%
+66.7%
Q2 2016$42,000
+5.0%
120
+42.9%
0.00%0.0%
Q1 2016$40,000
-18.4%
84
-46.5%
0.00%
-25.0%
Q4 2015$49,000
-51.0%
157
-3.1%
0.00%
-42.9%
Q3 2015$100,000
+12.4%
162
+179.3%
0.01%0.0%
Q2 2015$89,000
-34.6%
58
-52.5%
0.01%
-56.2%
Q1 2015$136,000
+72.2%
122
+32.6%
0.02%
+60.0%
Q4 2014$79,000920.01%
Other shareholders
ATHENAHEALTH INC shareholders Q3 2015
NameSharesValueWeighting ↓
Citadel Advisors 115,700$15,429,0000.02%
Timber Hill LLC 18,500$2,467,0000.01%
SIMPLEX TRADING, LLC 162$100,0000.01%
View complete list of ATHENAHEALTH INC shareholders