SIMPLEX TRADING, LLC - ATHENAHEALTH INC ownership

ATHENAHEALTH INC's ticker is and the CUSIP is 04685W903. A total of 4 filers reported holding ATHENAHEALTH INC in Q4 2016. 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$22,757,000
+209.7%
1,725
+213.6%
0.07%
+179.2%
Q3 2018$7,348,000
+59.8%
550
+90.3%
0.02%
+33.3%
Q2 2018$4,599,000
+9481.2%
289
+1421.1%
0.02%
+800.0%
Q1 2018$48,000
-50.5%
19
-93.2%
0.00%
-50.0%
Q4 2017$97,000
+79.6%
280
+174.5%
0.00%
+100.0%
Q3 2017$54,000
-76.1%
102
-30.1%
0.00%
-80.0%
Q2 2017$226,000
+175.6%
146
+30.4%
0.01%
+150.0%
Q1 2017$82,000
+121.6%
112
-53.1%
0.00%
+100.0%
Q4 2016$37,0000.0%239
+107.8%
0.00%
-33.3%
Q3 2016$37,000
+60.9%
115
+76.9%
0.00%
+50.0%
Q2 2016$23,000
-4.2%
65
-60.6%
0.00%0.0%
Q1 2016$24,000
-69.2%
165
+48.6%
0.00%
-66.7%
Q4 2015$78,000
+9.9%
1110.0%0.01%
+20.0%
Q3 2015$71,000
+73.2%
111
+2.8%
0.01%
+66.7%
Q2 2015$41,000
+272.7%
108
+103.8%
0.00%
+200.0%
Q1 2015$11,000
-84.3%
53
-50.0%
0.00%
-87.5%
Q4 2014$70,0001060.01%
Other shareholders
ATHENAHEALTH INC shareholders Q4 2016
NameSharesValueWeighting ↓
Timber Hill LLC 29,500$3,103,0000.01%
SIMPLEX TRADING, LLC 239$37,0000.00%
GROUP ONE TRADING, L.P. 1,600$168,0000.00%
JPMORGAN CHASE & CO 3,800$400,0000.00%
View complete list of ATHENAHEALTH INC shareholders