SIMPLEX TRADING, LLC - ARATANA THERAPEUTICS INC ownership

ARATANA THERAPEUTICS INC's ticker is PETX and the CUSIP is 03874P101. A total of 102 filers reported holding ARATANA THERAPEUTICS INC in Q3 2018. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of ARATANA THERAPEUTICS INC
ValueSharesWeighting
Q2 2019$52,000
-38.1%
10,159
-56.7%
0.00%
Q1 2019$84,000
+2700.0%
23,474
+3585.1%
0.00%
Q4 2018$3,000
-89.3%
637
-90.5%
0.00%
Q2 2018$28,000
-49.1%
6,686
-47.3%
0.00%
-100.0%
Q1 2018$55,000
+223.5%
12,675
+283.6%
0.00%
+100.0%
Q4 2017$17,000
-71.2%
3,304
-66.1%
0.00%
-50.0%
Q3 2017$59,000
+195.0%
9,760
+147.0%
0.00%
+100.0%
Q1 2017$20,000
-55.6%
3,951
-44.8%
0.00%
-66.7%
Q2 2016$45,0007,163
+13164.8%
0.00%
Q4 2015$0
-100.0%
54
-97.4%
0.00%
-100.0%
Q1 2015$33,0002,1110.00%
Other shareholders
ARATANA THERAPEUTICS INC shareholders Q3 2018
NameSharesValueWeighting ↓
Broadfin Capital, LLC 5,184,942$31,784,0004.70%
AWM Investment Company, Inc. 1,562,517$9,578,0001.67%
Opaleye Management Inc. 420,000$2,574,0000.91%
MPM ASSET MANAGEMENT LLC 250,000$1,533,0000.75%
GENERAL AMERICAN INVESTORS CO INC 867,600$5,318,0000.50%
Grandeur Peak Global Advisors, LLC 538,363$3,300,0000.50%
Redmond Asset Management, LLC 55,941$343,0000.16%
WOODSTOCK CORP 88,303$541,0000.10%
CADENCE CAPITAL MANAGEMENT LLC 173,808$1,065,0000.07%
Sheaff Brock Investment Advisors, LLC 71,000$435,0000.06%
View complete list of ARATANA THERAPEUTICS INC shareholders