GROUP ONE TRADING, L.P. - CENTURY ALUM CO ownership

CENTURY ALUM CO's ticker is and the CUSIP is 156431908. A total of 4 filers reported holding CENTURY ALUM CO in Q4 2022. The put-call ratio across all filers is - and the average weighting 0.0%.

Quarter-by-quarter ownership
GROUP ONE TRADING, L.P. ownership history of CENTURY ALUM CO
ValueSharesWeighting
Q3 2023$942,609
+68.6%
131,100
+104.5%
0.00%
+50.0%
Q2 2023$558,952
+104.0%
64,100
+133.9%
0.00%
+100.0%
Q1 2023$274,000
+68.3%
27,400
+37.7%
0.00%
Q4 2022$162,782
+162.6%
19,900
+70.1%
0.00%
Q3 2022$62,000
-96.4%
11,700
-95.0%
0.00%
-100.0%
Q2 2022$1,720,000
-76.1%
233,400
-14.5%
0.00%
-57.1%
Q1 2022$7,183,000
+2892.9%
273,000
+1782.8%
0.01%
Q4 2021$240,000
-95.3%
14,500
-96.2%
0.00%
-100.0%
Q3 2021$5,076,000
+568.8%
377,400
+540.7%
0.01%
+400.0%
Q2 2021$759,000
+163.5%
58,900
+261.3%
0.00%
Q1 2021$288,000
+2115.4%
16,300
+1258.3%
0.00%
Q4 2020$13,000
+44.4%
1,2000.0%0.00%
Q3 2020$9,000
+125.0%
1,200
+100.0%
0.00%
Q2 2020$4,000
-76.5%
600
-87.5%
0.00%
Q1 2020$17,000
+466.7%
4,800
+1100.0%
0.00%
Q4 2019$3,000
+200.0%
400
+300.0%
0.00%
Q3 2019$1,000
-99.5%
100
-99.7%
0.00%
-100.0%
Q4 2018$214,000
-40.2%
29,300
-2.0%
0.00%
-33.3%
Q3 2018$358,000
-52.5%
29,900
-37.4%
0.00%
-50.0%
Q2 2018$753,000
+807.2%
47,800
+856.0%
0.01%
+500.0%
Q1 2018$83,000
-13.5%
5,000
+2.0%
0.00%0.0%
Q4 2017$96,000
-43.5%
4,900
-55.0%
0.00%
-50.0%
Q2 2017$170,000
+50.4%
10,900
+22.5%
0.00%
+100.0%
Q1 2017$113,000
-55.3%
8,900
-69.9%
0.00%
-50.0%
Q4 2016$253,000
-41.2%
29,600
-52.1%
0.00%
-60.0%
Q3 2016$430,000
+64.1%
61,800
+49.3%
0.01%
+66.7%
Q2 2016$262,000
-49.7%
41,400
-44.0%
0.00%
-57.1%
Q1 2016$521,000
+202.9%
73,900
+89.5%
0.01%
+250.0%
Q4 2015$172,000
+93.3%
39,000
+102.1%
0.00%
+100.0%
Q3 2015$89,000
-59.2%
19,300
-7.7%
0.00%
-66.7%
Q2 2015$218,000
-15.2%
20,900
+12.4%
0.00%
-25.0%
Q1 2015$257,000
-82.0%
18,600
-68.2%
0.00%
-81.8%
Q4 2014$1,427,000
+9.3%
58,500
+16.3%
0.02%
+10.0%
Q3 2014$1,306,00050,3000.02%
Other shareholders
CENTURY ALUM CO shareholders Q4 2022
NameSharesValueWeighting ↓
GROUP ONE TRADING, L.P. 131,100$942,6090.00%
SIMPLEX TRADING, LLC 67,500$4850.00%
JANE STREET GROUP, LLC 27,600$198,4440.00%
CONCOURSE FINANCIAL GROUP SECURITIES, INC. 0$00.00%
View complete list of CENTURY ALUM CO shareholders