SIMPLEX TRADING, LLC - CATALYST PHARMACEUTICALS INC ownership

CATALYST PHARMACEUTICALS INC's ticker is CPRX and the CUSIP is 14888U101. A total of 87 filers reported holding CATALYST PHARMACEUTICALS INC in Q4 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 CATALYST PHARMACEUTICALS INC
ValueSharesWeighting
Q3 2023$10
-92.2%
867
-90.9%
0.00%
Q2 2023$128
-37.3%
9,570
-13.0%
0.00%
Q4 2022$204
-99.8%
11,001
+36.2%
0.00%
Q3 2022$103,000
+415.0%
8,076
+173.3%
0.00%
Q2 2022$20,000
-88.4%
2,955
-85.9%
0.00%
Q1 2022$173,000
+620.8%
20,918
+466.7%
0.00%
Q4 2021$24,000
-94.6%
3,691
-95.2%
0.00%
Q3 2021$448,000
+0.2%
77,400
-0.5%
0.00%
Q2 2021$447,000
+1177.1%
77,800
+903.0%
0.00%
Q1 2021$35,000
-71.1%
7,757
-78.7%
0.00%
Q4 2020$121,000
+188.1%
36,380
+296.9%
0.00%
Q2 2020$42,000
-60.0%
9,166
-66.5%
0.00%
Q1 2020$105,000
-61.1%
27,371
-62.0%
0.00%
-100.0%
Q4 2019$270,000
-37.9%
72,030
-12.1%
0.00%0.0%
Q3 2019$435,000
+770.0%
81,952
+523.0%
0.00%
Q2 2019$50,000
-65.5%
13,154
-53.9%
0.00%
Q1 2019$145,000
+2800.0%
28,535
+853.4%
0.00%
Q4 2018$5,000
-85.3%
2,993
-67.1%
0.00%
Q3 2018$34,000
+750.0%
9,095
+717.9%
0.00%
Q4 2017$4,000
-33.3%
1,112
-55.4%
0.00%
Q3 2017$6,000
-33.3%
2,494
-26.8%
0.00%
Q2 2017$9,000
-47.1%
3,409
-20.7%
0.00%
-100.0%
Q2 2015$17,000
+41.7%
4,299
+5.2%
0.00%0.0%
Q4 2014$12,0004,0870.00%
Other shareholders
CATALYST PHARMACEUTICALS INC shareholders Q4 2018
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