CENTURY ALUM CO

Ticker: CENX CUSIP: 156431108 Class: EQTY

RHUMBLINE ADVISERS's Holding History (CIK: 0001115418)

Note: Option positions (PUT/CALL) are excluded.

Q4 2025

Shares 151,349 Value ($000) $5,930 Avg Close $31.24 Range $25.40 - $40.83

Q3 2025

Shares 147,254 Value ($000) $4,323 Avg Close $22.67 Range $17.75 - $30.08

Q2 2025

Shares 147,135 Value ($000) $2,651 Avg Close $16.98 Range $13.05 - $20.43

Q1 2025

Shares 142,446 Value ($000) $2,644 Avg Close $19.21 Range $16.30 - $22.92

Q4 2024

Shares 143,208 Value ($000) $2,609 Avg Close $19.65 Range $14.89 - $25.39

Q3 2024

Shares 153,132 Value ($000) $2,485 Avg Close $15.15 Range $11.40 - $21.37

Q2 2024

Shares 162,798 Value ($000) $2,727 Avg Close $17.02 Range $14.73 - $19.88

Q1 2024

Shares 155,912 Value ($000) $2,399 Avg Close $11.23 Range $9.65 - $15.60

Q4 2023

Shares 153,453 Value ($000) $1,863 Avg Close $7.85 Range $5.70 - $13.17

Q3 2023

Shares 156,597 Value ($000) $1,126 Avg Close $8.06 Range $6.42 - $9.38

Q2 2023

Shares 154,095 Value ($000) $1,344 Avg Close $8.69 Range $7.18 - $10.19

Q1 2023

Shares 155,541 Value ($000) $2 Avg Close $10.36 Range $7.87 - $12.97

Q4 2022

Shares 148,017 Value ($000) $1 Avg Close $7.55 Range $5.32 - $10.23

Q3 2022

Shares 143,302 Value ($000) $757 Avg Close $7.60 Range $5.27 - $10.21

Q2 2022

Shares 136,613 Value ($000) $1,007 Avg Close $15.54 Range $6.93 - $29.24

Q1 2022

Shares 141,192 Value ($000) $3,715 Avg Close $21.04 Range $14.85 - $30.36

Q4 2021

Shares 144,228 Value ($000) $2,388 Avg Close $14.64 Range $12.34 - $17.65

Q3 2021

Shares 144,108 Value ($000) $1,938 Avg Close $12.57 Range $10.39 - $15.09

Q2 2021

Shares 163,693 Value ($000) $2,110 Avg Close $14.40 Range $11.41 - $17.94

Q1 2021

Shares 173,725 Value ($000) $3,068 Avg Close $14.25 Range $9.04 - $19.60

Q4 2020

Shares 172,764 Value ($000) $1,906 Avg Close $9.07 Range $6.27 - $12.85

Q3 2020

Shares 157,074 Value ($000) $1,118 Avg Close $8.71 Range $6.72 - $11.33

Q2 2020

Shares 168,630 Value ($000) $1,202 Avg Close $5.29 Range $2.91 - $7.90

Q1 2020

Shares 182,083 Value ($000) $659 Avg Close $5.60 Range $3.01 - $8.23

Q4 2019

Shares 170,505 Value ($000) $1,281 Avg Close $6.93 Range $5.80 - $8.42

Q3 2019

Shares 164,061 Value ($000) $1,089 Avg Close $6.62 Range $5.02 - $7.89

Q2 2019

Shares 153,044 Value ($000) $1,058 Avg Close $7.43 Range $5.37 - $9.91

Q1 2019

Shares 147,107 Value ($000) $1,306 Avg Close $8.65 Range $6.98 - $9.98

Q4 2018

Shares 147,655 Value ($000) $1,079 Avg Close $9.06 Range $6.54 - $12.25

Q3 2018

Shares 123,469 Value ($000) $1,478 Avg Close $12.86 Range $11.04 - $15.58

Q2 2018

Shares 123,197 Value ($000) $1,940 Avg Close $16.93 Range $14.14 - $20.19

Q1 2018

Shares 121,401 Value ($000) $2,008 Avg Close $20.90 Range $15.56 - $24.77

Q4 2017

Shares 119,901 Value ($000) $2,355 Avg Close $15.31 Range $13.00 - $20.30

Q3 2017

Shares 102,978 Value ($000) $1,707 Avg Close $17.26 Range $12.94 - $20.68

Q2 2017

Shares 100,978 Value ($000) $1,573 Avg Close $13.95 Range $11.59 - $17.28

Q1 2017

Shares 103,143 Value ($000) $1,309 Avg Close $13.28 Range $8.39 - $16.53

Q4 2016

Shares 74,787 Value ($000) $640 Avg Close $8.55 Range $6.51 - $10.69

Q3 2016

Shares 75,773 Value ($000) $527 Avg Close $6.83 Range $5.53 - $8.45

Q2 2016

Shares 73,473 Value ($000) $465 Avg Close $7.02 Range $5.64 - $9.40

Q1 2016

Shares 87,407 Value ($000) $616 Avg Close $5.54 Range $2.63 - $8.94

Q4 2015

Shares 82,212 Value ($000) $363 Avg Close $4.29 Range $3.19 - $7.21

Q3 2015

Shares 74,762 Value ($000) $344 Avg Close $6.98 Range $4.07 - $10.59

Q2 2015

Shares 72,118 Value ($000) $752 Avg Close $12.74 Range $10.13 - $14.98

Q1 2015

Shares 80,483 Value ($000) $1,111 Avg Close $20.13 Range $12.87 - $26.97

Q4 2014

Shares 80,283 Value ($000) $1,959 Avg Close $25.81 Range $20.79 - $31.75

Q3 2014

Shares 75,768 Value ($000) $1,968 Avg Close $22.02 Range $15.77 - $29.54

Q2 2014

Shares 74,028 Value ($000) $1,161 Avg Close $14.18 Range $12.63 - $15.94

Q1 2014

Shares 77,390 Value ($000) $1,022 Avg Close $11.63 Range $9.67 - $13.37

Q4 2013

Shares 79,800 Value ($000) $835 Avg Close $8.91 Range $7.80 - $10.49

Q3 2013

Shares 84,650 Value ($000) $681 Avg Close $8.84 Range $7.65 - $10.53

Q2 2013

Shares 85,367 Value ($000) $792 Avg Close $8.61 Range $6.26 - $10.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	151,349	$5,930	$31.24	$25.40 - $40.83
Q3 2025	147,254	$4,323	$22.67	$17.75 - $30.08
Q2 2025	147,135	$2,651	$16.98	$13.05 - $20.43
Q1 2025	142,446	$2,644	$19.21	$16.30 - $22.92
Q4 2024	143,208	$2,609	$19.65	$14.89 - $25.39
Q3 2024	153,132	$2,485	$15.15	$11.40 - $21.37
Q2 2024	162,798	$2,727	$17.02	$14.73 - $19.88
Q1 2024	155,912	$2,399	$11.23	$9.65 - $15.60
Q4 2023	153,453	$1,863	$7.85	$5.70 - $13.17
Q3 2023	156,597	$1,126	$8.06	$6.42 - $9.38
Q2 2023	154,095	$1,344	$8.69	$7.18 - $10.19
Q1 2023	155,541	$2	$10.36	$7.87 - $12.97
Q4 2022	148,017	$1	$7.55	$5.32 - $10.23
Q3 2022	143,302	$757	$7.60	$5.27 - $10.21
Q2 2022	136,613	$1,007	$15.54	$6.93 - $29.24
Q1 2022	141,192	$3,715	$21.04	$14.85 - $30.36
Q4 2021	144,228	$2,388	$14.64	$12.34 - $17.65
Q3 2021	144,108	$1,938	$12.57	$10.39 - $15.09
Q2 2021	163,693	$2,110	$14.40	$11.41 - $17.94
Q1 2021	173,725	$3,068	$14.25	$9.04 - $19.60
Q4 2020	172,764	$1,906	$9.07	$6.27 - $12.85
Q3 2020	157,074	$1,118	$8.71	$6.72 - $11.33
Q2 2020	168,630	$1,202	$5.29	$2.91 - $7.90
Q1 2020	182,083	$659	$5.60	$3.01 - $8.23
Q4 2019	170,505	$1,281	$6.93	$5.80 - $8.42
Q3 2019	164,061	$1,089	$6.62	$5.02 - $7.89
Q2 2019	153,044	$1,058	$7.43	$5.37 - $9.91
Q1 2019	147,107	$1,306	$8.65	$6.98 - $9.98
Q4 2018	147,655	$1,079	$9.06	$6.54 - $12.25
Q3 2018	123,469	$1,478	$12.86	$11.04 - $15.58
Q2 2018	123,197	$1,940	$16.93	$14.14 - $20.19
Q1 2018	121,401	$2,008	$20.90	$15.56 - $24.77
Q4 2017	119,901	$2,355	$15.31	$13.00 - $20.30
Q3 2017	102,978	$1,707	$17.26	$12.94 - $20.68
Q2 2017	100,978	$1,573	$13.95	$11.59 - $17.28
Q1 2017	103,143	$1,309	$13.28	$8.39 - $16.53
Q4 2016	74,787	$640	$8.55	$6.51 - $10.69
Q3 2016	75,773	$527	$6.83	$5.53 - $8.45
Q2 2016	73,473	$465	$7.02	$5.64 - $9.40
Q1 2016	87,407	$616	$5.54	$2.63 - $8.94
Q4 2015	82,212	$363	$4.29	$3.19 - $7.21
Q3 2015	74,762	$344	$6.98	$4.07 - $10.59
Q2 2015	72,118	$752	$12.74	$10.13 - $14.98
Q1 2015	80,483	$1,111	$20.13	$12.87 - $26.97
Q4 2014	80,283	$1,959	$25.81	$20.79 - $31.75
Q3 2014	75,768	$1,968	$22.02	$15.77 - $29.54
Q2 2014	74,028	$1,161	$14.18	$12.63 - $15.94
Q1 2014	77,390	$1,022	$11.63	$9.67 - $13.37
Q4 2013	79,800	$835	$8.91	$7.80 - $10.49
Q3 2013	84,650	$681	$8.84	$7.65 - $10.53
Q2 2013	85,367	$792	$8.61	$6.26 - $10.60