SIMPLEX TRADING, LLC - POSCO ownership

POSCO's ticker is and the CUSIP is 693483909. A total of 2 filers reported holding POSCO in Q1 2023. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
SIMPLEX TRADING, LLC ownership history of POSCO
ValueSharesWeighting
Q3 2023$1,722
+2818.6%
16,800
+2000.0%
0.00%
Q2 2023$59
-52.8%
800
-55.6%
0.00%
Q1 2023$125
+681.2%
1,800
+500.0%
0.00%
Q4 2022$16
-99.8%
3000.0%0.00%
Q3 2022$10,000
-23.1%
3000.0%0.00%
Q2 2022$13,000
-91.9%
300
-88.9%
0.00%
Q1 2022$160,000
-43.9%
2,700
-44.9%
0.00%
Q4 2021$285,000
+1.1%
4,900
+32.4%
0.00%
Q3 2021$282,000
+8.0%
3,700
+8.8%
0.00%
Q2 2021$261,000
+832.1%
3,400
+84900.0%
0.00%
Q1 2021$28,000
+16.7%
40.0%0.00%
Q4 2020$24,000
-68.0%
4
-77.8%
0.00%
Q3 2020$75,000
+36.4%
18
+20.0%
0.00%
Q2 2020$55,000
-29.5%
15
-37.5%
0.00%
Q1 2020$78,000
+11.4%
24
+71.4%
0.00%
Q4 2019$70,000
+6.1%
140.0%0.00%
Q3 2019$66,000
+1220.0%
14
+1300.0%
0.00%
Q2 2019$5,000
-98.5%
1
-98.3%
0.00%
-100.0%
Q1 2019$331,000
-4.3%
60
-4.8%
0.00%0.0%
Q4 2018$346,000
+64.0%
63
+96.9%
0.00%0.0%
Q3 2018$211,000
-41.9%
32
-34.7%
0.00%0.0%
Q2 2018$363,000
+5085.7%
49
-46.7%
0.00%
Q1 2018$7,000
+600.0%
92
+607.7%
0.00%
Q4 2017$1,000
-50.0%
13
-7.1%
0.00%
Q3 2017$2,000
+100.0%
14
+75.0%
0.00%
Q2 2017$1,0008
+100.0%
0.00%
Q1 2017$04
-60.0%
0.00%
Q4 2016$0
-100.0%
10
+400.0%
0.00%
Q3 2016$1,000
-91.7%
2
-90.9%
0.00%
-100.0%
Q2 2016$12,000
-36.8%
22
+10.0%
0.00%
-50.0%
Q1 2016$19,00020
+81.8%
0.00%
Q4 2015$0
-100.0%
11
-80.4%
0.00%
Q3 2015$2,000
+100.0%
56
+100.0%
0.00%
Q2 2015$1,0000.0%28
-28.2%
0.00%
Q1 2015$1,00039
+550.0%
0.00%
Q4 2014$060.00%
Other shareholders
POSCO shareholders Q1 2023
NameSharesValueWeighting ↓
JANE STREET GROUP, LLC 79,200$8,118,0000.00%
GROUP ONE TRADING, L.P. 5,800$594,5000.00%
SIMPLEX TRADING, LLC 16,800$1,7220.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of POSCO shareholders