CENTURY ALUMINUM CO - Common Stock, $0.01 Par Value (CENX)

Historical Holders from Q1 2014 to Q3 2025

Symbol: CENX on Nasdaq
Type / Class: Equity / Common Stock, $0.01 Par Value
Shares outstanding: 98,376,904
All holders as of 30 Sep 2025: Q3 2025
Total 13F shares, excl. options: 96,462,690
Holdings value: $2,831,841,207
% of all portfolios: 0.011%
Number of holders: 252
Number of buys: 146
Number of sells: -112
Average buys %: +0%
Average sells %: -0%

Reported Shares, Excluding Options vs Price

Reported Value, Excluding Options

Total Investors

Significant Owners of CENTURY ALUMINUM CO - Common Stock, $0.01 Par Value (CENX)

Filer	Ownership	Change %	Holdings Value	Net Change	Nb Shares	Change %	Reporting Name	Report Period
GLENCORE INTERNATIONAL AG	36.6%		$1,057,134,604		36,005,947		Glencore International AG	10 Nov 2025
BlackRock, Inc.	9.2%		$146,947,627		8,518,703		BlackRock, Inc.	31 Mar 2025

Institutional Holders of CENTURY ALUMINUM CO - Common Stock, $0.01 Par Value (CENX)

Period	Reported Shares, Excl. Options	Value, Excl. Options	Change	Puts Notional Value	Calls Notional Value	Price	Investors
2025 Q3	96,462,690	$2,831,841,207	+$51,365,001	$53,462,534	$117,411,757	$29.36	252
2025 Q2	95,594,768	$1,722,575,922	+$58,549,617	$31,831,065	$56,388,990	$18.02	221
2025 Q1	92,511,819	$1,716,528,646	-$3,114,737	$19,116,800	$49,812,479	$18.56	217
2024 Q4	92,433,106	$1,684,095,771	-$45,584,471	$19,903,738	$60,031,099	$18.22	222
2024 Q3	54,982,920	$892,385,432	-$17,861,815	$13,860,938	$36,511,956	$16.23	197
2024 Q2	55,165,067	$924,028,152	+$5,083,622	$15,512,175	$43,376,839	$16.75	189
2024 Q1	53,186,853	$818,595,289	-$54,547,870	$11,834,910	$6,743,898	$15.39	178
2023 Q4	57,092,682	$693,185,877	+$56,762,207	$6,440,270	$24,169,526	$12.14	165
2023 Q3	52,595,437	$378,191,182	+$17,142,405	$2,329,560	$4,298,901	$7.19	159
2023 Q2	50,261,595	$438,460,841	-$16,970,556	$2,426,495	$4,745,279	$8.72	157
2023 Q1	51,654,253	$516,526,137	+$5,811,062	$3,405,000	$5,499,000	$10	163
2022 Q4	51,744,904	$423,304,619	+$16,034,550	$6,880,044	$2,295,998	$8.18	160
2022 Q3	50,143,413	$264,759,854	-$33,619,343	$4,555,000	$1,000,000	$5.28	156
2022 Q2	56,463,368	$415,838,293	-$64,301,856	$3,374,696	$9,810,048	$7.37	162
2022 Q1	52,648,683	$1,385,786,059	+$18,694,939	$13,640,000	$35,507,000	$26.31	186
2021 Q4	50,838,654	$840,301,415	+$20,000,920	$4,877,000	$15,351,000	$16.56	156
2021 Q3	50,174,754	$674,836,148	-$25,939,252	$6,504,000	$14,836,000	$13.45	142
2021 Q2	52,238,880	$673,252,200	+$61,029,565	$3,159,000	$3,270,000	$12.89	141
2021 Q1	46,669,039	$823,272,221	+$16,544,644	$2,049,000	$6,492,000	$17.66	136
2020 Q4	46,583,401	$513,831,108	-$5,554,984	$804,000	$1,701,000	$11.03	127
2020 Q3	48,246,723	$343,504,916	+$18,698,921	$551,000	$994,000	$7.12	123
2020 Q2	45,432,752	$323,934,353	+$1,534,348	$661,000	$1,282,000	$7.13	111
2020 Q1	46,359,225	$167,793,339	-$17,604,120	$489,000	$5,991,000	$3.62	122
2019 Q4	49,723,997	$373,606,891	+$20,107,244	$966,000	$13,363,000	$7.51	132
2019 Q3	47,024,855	$311,971,810	-$7,402,964	$1,371,000	$4,850,000	$6.64	133
2019 Q2	48,135,626	$332,614,941	+$5,598,502	$2,621,000	$1,301,000	$6.91	137
2019 Q1	47,471,867	$421,525,789	-$15,020,761	$3,495,000	$3,422,000	$8.88	141
2018 Q4	49,277,003	$360,240,558	-$17,835,973	$3,369,000	$3,245,000	$7.31	144
2018 Q3	50,459,999	$603,866,284	-$8,002,547	$12,947,000	$7,349,000	$11.97	150
2018 Q2	49,355,573	$777,276,169	-$32,208,706	$17,641,000	$9,228,000	$15.75	150
2018 Q1	51,523,832	$852,286,389	-$101,838,614	$18,386,000	$8,734,000	$16.54	158
2017 Q4	57,075,678	$1,121,161,668	-$33,600,756	$8,789,000	$11,307,000	$19.64	145
2017 Q3	59,370,206	$984,649,332	+$13,129,672	$9,508,000	$23,231,000	$16.58	158
2017 Q2	58,696,246	$914,603,288	+$18,621,099	$8,870,000	$84,239,000	$15.58	150
2017 Q1	58,056,533	$736,803,172	+$107,898,600	$5,044,000	$5,785,000	$12.69	143
2016 Q4	55,989,364	$480,453,721	+$46,404,879	$1,915,000	$4,361,000	$8.56	145
2016 Q3	51,001,816	$354,255,220	+$16,458,457	$1,912,000	$3,661,000	$6.95	134
2016 Q2	48,855,195	$309,286,894	-$1,927,294	$1,635,000	$1,736,000	$6.33	145
2016 Q1	48,978,483	$345,311,292	-$2,292,504	$1,545,000	$3,545,000	$7.05	146
2015 Q4	52,801,237	$233,407,962	-$35,637,931	$2,834,000	$3,486,000	$4.42	142
2015 Q3	58,971,650	$271,162,133	-$44,054,832	$2,629,000	$3,065,000	$4.6	150
2015 Q2	62,453,868	$651,408,454	+$44,932,394	$14,937,000	$8,305,000	$10.43	186
2015 Q1	56,626,297	$781,437,031	+$40,873,055	$5,119,000	$3,370,000	$13.8	180
2014 Q4	52,181,916	$1,273,043,279	+$31,303,929	$6,856,000	$15,442,000	$24.4	191
2014 Q3	50,804,708	$1,319,280,118	+$48,354,084	$5,658,000	$31,802,000	$25.97	186
2014 Q2	49,542,974	$776,804,823	+$25,470,586	$2,772,000	$10,232,000	$15.68	138
2014 Q1	47,311,000	$624,889,932	+$22,609,882	$2,251,000	$3,508,000	$13.21	119