CENTURY ALUM CO

Ticker: CENX CUSIP: 156431108 Class: EQTY

Swiss National Bank's Holding History (CIK: 0001582202)

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

Q4 2025

Shares 110,450 Value ($000) $4,327 Avg Close $31.24 Range $25.40 - $40.83

Q3 2025

Shares 108,450 Value ($000) $3,184 Avg Close $22.67 Range $17.75 - $30.08

Q2 2025

Shares 105,750 Value ($000) $1,906 Avg Close $16.98 Range $13.05 - $20.43

Q1 2025

Shares 107,950 Value ($000) $2,004 Avg Close $19.21 Range $16.30 - $22.92

Q4 2024

Shares 109,250 Value ($000) $1,991 Avg Close $19.65 Range $14.89 - $25.39

Q3 2024

Shares 109,250 Value ($000) $1,773 Avg Close $15.15 Range $11.40 - $21.37

Q2 2024

Shares 109,250 Value ($000) $1,830 Avg Close $17.02 Range $14.73 - $19.88

Q1 2024

Shares 109,250 Value ($000) $1,681 Avg Close $11.23 Range $9.65 - $15.60

Q4 2023

Shares 109,250 Value ($000) $1,326 Avg Close $7.85 Range $5.70 - $13.17

Q3 2023

Shares 120,550 Value ($000) $867 Avg Close $8.06 Range $6.42 - $9.38

Q2 2023

Shares 120,550 Value ($000) $1,051 Avg Close $8.69 Range $7.18 - $10.19

Q1 2023

Shares 108,450 Value ($000) $1,085 Avg Close $10.36 Range $7.87 - $12.97

Q4 2022

Shares 121,350 Value ($000) $993 Avg Close $7.55 Range $5.32 - $10.23

Q3 2022

Shares 118,250 Value ($000) $624 Avg Close $7.60 Range $5.27 - $10.21

Q2 2022

Shares 118,250 Value ($000) $872 Avg Close $15.54 Range $6.93 - $29.24

Q1 2022

Shares 127,850 Value ($000) $3,364 Avg Close $21.04 Range $14.85 - $30.36

Q4 2021

Shares 119,150 Value ($000) $1,973 Avg Close $14.64 Range $12.34 - $17.65

Q3 2021

Shares 119,150 Value ($000) $1,603 Avg Close $12.57 Range $10.39 - $15.09

Q2 2021

Shares 119,150 Value ($000) $1,536 Avg Close $14.40 Range $11.41 - $17.94

Q1 2021

Shares 121,750 Value ($000) $2,150 Avg Close $14.25 Range $9.04 - $19.60

Q4 2020

Shares 121,750 Value ($000) $1,343 Avg Close $9.07 Range $6.27 - $12.85

Q3 2020

Shares 121,750 Value ($000) $867 Avg Close $8.71 Range $6.72 - $11.33

Q2 2020

Shares 121,750 Value ($000) $868 Avg Close $5.29 Range $2.91 - $7.90

Q1 2020

Shares 102,050 Value ($000) $369 Avg Close $5.60 Range $3.01 - $8.23

Q4 2019

Shares 102,050 Value ($000) $767 Avg Close $6.93 Range $5.80 - $8.42

Q3 2019

Shares 98,350 Value ($000) $653 Avg Close $6.62 Range $5.02 - $7.89

Q2 2019

Shares 98,350 Value ($000) $680 Avg Close $7.43 Range $5.37 - $9.91

Q1 2019

Shares 95,750 Value ($000) $850 Avg Close $8.65 Range $6.98 - $9.98

Q4 2018

Shares 91,150 Value ($000) $666 Avg Close $9.06 Range $6.54 - $12.25

Q3 2018

Shares 91,150 Value ($000) $1,091 Avg Close $12.86 Range $11.04 - $15.58

Q2 2018

Shares 91,150 Value ($000) $1,436 Avg Close $16.93 Range $14.14 - $20.19

Q1 2018

Shares 91,150 Value ($000) $1,508 Avg Close $20.90 Range $15.56 - $24.77

Q4 2017

Shares 86,350 Value ($000) $1,696 Avg Close $15.31 Range $13.00 - $20.30

Q3 2017

Shares 86,350 Value ($000) $1,432 Avg Close $17.26 Range $12.94 - $20.68

Q2 2017

Shares 86,350 Value ($000) $1,345 Avg Close $13.95 Range $11.59 - $17.28

Q1 2017

Shares 86,350 Value ($000) $1,096 Avg Close $13.28 Range $8.39 - $16.53

Q4 2016

Shares 83,650 Value ($000) $716 Avg Close $8.55 Range $6.51 - $10.69

Q3 2016

Shares 83,650 Value ($000) $581 Avg Close $6.83 Range $5.53 - $8.45

Q2 2016

Shares 83,650 Value ($000) $530 Avg Close $7.02 Range $5.64 - $9.40

Q1 2016

Shares 83,650 Value ($000) $569 Avg Close $5.54 Range $2.63 - $8.94

Q4 2015

Shares 66,600 Value ($000) $294 Avg Close $4.29 Range $3.19 - $7.21

Q3 2015

Shares 66,600 Value ($000) $306 Avg Close $6.98 Range $4.07 - $10.59

Q2 2015

Shares 59,000 Value ($000) $615 Avg Close $12.74 Range $10.13 - $14.98

Q1 2015

Shares 57,200 Value ($000) $789 Avg Close $20.13 Range $12.87 - $26.97

Q4 2014

Shares 57,200 Value ($000) $1,396 Avg Close $25.81 Range $20.79 - $31.75

Q3 2014

Shares 55,800 Value ($000) $1,449 Avg Close $22.02 Range $15.77 - $29.54

Q2 2014

Shares 57,200 Value ($000) $897 Avg Close $14.18 Range $12.63 - $15.94

Q1 2014

Shares 57,200 Value ($000) $756 Avg Close $11.63 Range $9.67 - $13.37

Q4 2013

Shares 43,700 Value ($000) $457 Avg Close $8.91 Range $7.80 - $10.49

Q3 2013

Shares 58,300 Value ($000) $469 Avg Close $8.84 Range $7.65 - $10.53

Q2 2013

Shares 61,500 Value ($000) $571 Avg Close $8.61 Range $6.26 - $10.60

Period	Shares	Value ($000)	Average Close	Price Range
Q4 2025	110,450	$4,327	$31.24	$25.40 - $40.83
Q3 2025	108,450	$3,184	$22.67	$17.75 - $30.08
Q2 2025	105,750	$1,906	$16.98	$13.05 - $20.43
Q1 2025	107,950	$2,004	$19.21	$16.30 - $22.92
Q4 2024	109,250	$1,991	$19.65	$14.89 - $25.39
Q3 2024	109,250	$1,773	$15.15	$11.40 - $21.37
Q2 2024	109,250	$1,830	$17.02	$14.73 - $19.88
Q1 2024	109,250	$1,681	$11.23	$9.65 - $15.60
Q4 2023	109,250	$1,326	$7.85	$5.70 - $13.17
Q3 2023	120,550	$867	$8.06	$6.42 - $9.38
Q2 2023	120,550	$1,051	$8.69	$7.18 - $10.19
Q1 2023	108,450	$1,085	$10.36	$7.87 - $12.97
Q4 2022	121,350	$993	$7.55	$5.32 - $10.23
Q3 2022	118,250	$624	$7.60	$5.27 - $10.21
Q2 2022	118,250	$872	$15.54	$6.93 - $29.24
Q1 2022	127,850	$3,364	$21.04	$14.85 - $30.36
Q4 2021	119,150	$1,973	$14.64	$12.34 - $17.65
Q3 2021	119,150	$1,603	$12.57	$10.39 - $15.09
Q2 2021	119,150	$1,536	$14.40	$11.41 - $17.94
Q1 2021	121,750	$2,150	$14.25	$9.04 - $19.60
Q4 2020	121,750	$1,343	$9.07	$6.27 - $12.85
Q3 2020	121,750	$867	$8.71	$6.72 - $11.33
Q2 2020	121,750	$868	$5.29	$2.91 - $7.90
Q1 2020	102,050	$369	$5.60	$3.01 - $8.23
Q4 2019	102,050	$767	$6.93	$5.80 - $8.42
Q3 2019	98,350	$653	$6.62	$5.02 - $7.89
Q2 2019	98,350	$680	$7.43	$5.37 - $9.91
Q1 2019	95,750	$850	$8.65	$6.98 - $9.98
Q4 2018	91,150	$666	$9.06	$6.54 - $12.25
Q3 2018	91,150	$1,091	$12.86	$11.04 - $15.58
Q2 2018	91,150	$1,436	$16.93	$14.14 - $20.19
Q1 2018	91,150	$1,508	$20.90	$15.56 - $24.77
Q4 2017	86,350	$1,696	$15.31	$13.00 - $20.30
Q3 2017	86,350	$1,432	$17.26	$12.94 - $20.68
Q2 2017	86,350	$1,345	$13.95	$11.59 - $17.28
Q1 2017	86,350	$1,096	$13.28	$8.39 - $16.53
Q4 2016	83,650	$716	$8.55	$6.51 - $10.69
Q3 2016	83,650	$581	$6.83	$5.53 - $8.45
Q2 2016	83,650	$530	$7.02	$5.64 - $9.40
Q1 2016	83,650	$569	$5.54	$2.63 - $8.94
Q4 2015	66,600	$294	$4.29	$3.19 - $7.21
Q3 2015	66,600	$306	$6.98	$4.07 - $10.59
Q2 2015	59,000	$615	$12.74	$10.13 - $14.98
Q1 2015	57,200	$789	$20.13	$12.87 - $26.97
Q4 2014	57,200	$1,396	$25.81	$20.79 - $31.75
Q3 2014	55,800	$1,449	$22.02	$15.77 - $29.54
Q2 2014	57,200	$897	$14.18	$12.63 - $15.94
Q1 2014	57,200	$756	$11.63	$9.67 - $13.37
Q4 2013	43,700	$457	$8.91	$7.80 - $10.49
Q3 2013	58,300	$469	$8.84	$7.65 - $10.53
Q2 2013	61,500	$571	$8.61	$6.26 - $10.60