GROUP ONE TRADING, L.P. - IMPAX LABORATORIES INC ownership

IMPAX LABORATORIES INC's ticker is IPXL and the CUSIP is 45256B101. A total of 159 filers reported holding IMPAX LABORATORIES INC in Q3 2013. The put-call ratio across all filers is 0.27 and the average weighting 0.1%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of IMPAX LABORATORIES INC
ValueSharesWeighting
Q4 2017$19,000
-91.8%
1,131
-90.1%
0.00%
-100.0%
Q3 2017$231,000
-68.0%
11,403
-80.0%
0.00%
-75.0%
Q1 2017$721,000
+2673.1%
57,013
+2766.4%
0.01%
Q4 2016$26,000
-87.8%
1,989
-73.1%
0.00%
-100.0%
Q2 2016$213,000
+12.7%
7,383
+24.9%
0.00%0.0%
Q1 2016$189,000
+1081.2%
5,912
+1528.7%
0.00%
Q4 2015$16,000
-96.9%
363
-96.8%
0.00%
-100.0%
Q2 2015$519,000
-51.4%
11,306
-50.4%
0.01%
-58.8%
Q1 2015$1,068,000
+747.6%
22,784
+440.4%
0.02%
+750.0%
Q2 2014$126,000
-78.2%
4,216
-80.7%
0.00%
-80.0%
Q1 2014$577,000
+19133.3%
21,830
+18244.5%
0.01%
Q4 2013$3,000
-98.6%
119
-98.9%
0.00%
-100.0%
Q3 2013$215,000
-21.5%
10,506
-23.6%
0.00%
-42.9%
Q2 2013$274,00013,7500.01%
Other shareholders
IMPAX LABORATORIES INC shareholders Q3 2013
NameSharesValueWeighting ↓
Krensavage Asset Management, LLC 423,161$13,406,0007.47%
Aravt Global 2,300,000$72,864,0005.43%
Slate Path Capital LP 2,330,000$73,814,0005.16%
Orbimed Advisors 6,678,000$211,559,0002.02%
Iguana Healthcare Management, LLC 100,000$3,168,0001.53%
Iguana Healthcare Management, LLC 100,000$3,168,0001.53%
Penn Capital Management Company, LLC 709,045$22,463,0000.94%
HUSSMAN STRATEGIC ADVISORS, INC. 250,000$7,920,0000.79%
NEW AMSTERDAM PARTNERS LLC/NY 276,169$8,749,0000.76%
Matarin Capital Management, LLC 52,932$1,676,886,0000.74%
View complete list of IMPAX LABORATORIES INC shareholders