GROUP ONE TRADING, L.P. - CATALYST PHARMACEUTICALS INC ownership

CATALYST PHARMACEUTICALS INC's ticker is CPRX and the CUSIP is 14888U101. A total of 32 filers reported holding CATALYST PHARMACEUTICALS INC in Q4 2013. The put-call ratio across all filers is - and the average weighting 0.1%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of CATALYST PHARMACEUTICALS INC
ValueSharesWeighting
Q1 2022$77,000
+102.6%
9,242
+66.4%
0.00%
Q4 2021$38,000
-73.4%
5,553
-79.5%
0.00%
Q3 2021$143,000
-76.4%
27,056
-74.3%
0.00%
-100.0%
Q2 2021$605,000
-22.1%
105,248
-47.8%
0.00%
-83.3%
Q1 2020$777,000
+26.3%
201,698
+23.1%
0.01%
+50.0%
Q4 2019$615,000
-38.0%
163,903
-12.3%
0.00%
-50.0%
Q3 2019$992,000
+593.7%
186,798
+402.0%
0.01%
+700.0%
Q2 2019$143,000
+346.9%
37,212
+122.0%
0.00%
Q4 2018$32,000
-40.7%
16,764
+17.2%
0.00%
Q3 2018$54,000
+42.1%
14,306
+17.0%
0.00%
Q2 2018$38,000
+660.0%
12,224
+515.8%
0.00%
Q1 2018$5,000
-16.7%
1,985
+26.1%
0.00%
Q4 2017$6,0000.0%1,574
-38.3%
0.00%
Q3 2017$6,000
+50.0%
2,553
+82.6%
0.00%
Q3 2015$4,000
-93.9%
1,398
-94.7%
0.00%
-100.0%
Q2 2014$66,000
+127.6%
26,248
+107.1%
0.00%
Q1 2014$29,000
+16.0%
12,676
-1.7%
0.00%
Q4 2013$25,00012,9000.00%
Other shareholders
CATALYST PHARMACEUTICALS INC shareholders Q4 2013
NameSharesValueWeighting ↓
TANAKA CAPITAL MANAGEMENT INC 213,609$1,446,0002.75%
GABLES CAPITAL MANAGEMENT INC. 449,164$3,041,0001.81%
Prairiewood Capital, LLC 261,403$1,770,0001.40%
ARMISTICE CAPITAL, LLC 9,572,000$64,802,0001.06%
Quantedge Capital Pte Ltd 360,100$2,438,0001.03%
SummerHaven Investment Management, LLC 151,384$1,025,0000.55%
GLOBEFLEX CAPITAL L P 609,030$4,124,0000.42%
EAM Global Investors LLC 347,899$2,355,0000.42%
Lanham O'Dell & Company, Inc. 50,000$339,0000.27%
EAM Investors, LLC 239,071$1,619,0000.27%
View complete list of CATALYST PHARMACEUTICALS INC shareholders