Century Aluminum Co (CENX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

99,200,000Shares Outstanding

154,076,566Shares held by institutions

$10,104,341,198Value of institutional holdings

155.32%Institutional ownership %

59.11%Shares Changed QoQ

321No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

Century Aluminum Co (NASDAQ:CENX) is held by 321 institutional investors per 13F filings through December 2025.

Their combined ownership stood at 154.6% of outstanding shares in December 2025, up from 98.4% in September 2025.
Their total shares held in CENX increased 58.71% from the prior quarter, while the number of investors in Century Aluminum increased 45.91% year over year.
Activity in CENX broke down as 211 buyers, 90 sellers, and 20 unchanged among 321 total holders.
In total, institutional investors held 153.4Mn shares in Century Aluminum as of December 2025, up by 56.74Mn shares quarter on quarter, and up 59.19Mn shares year over year.
Glencore plc is the top holder of Century Aluminum as of December 31, 2025, with 89.52Mn shares representing 90.24% of outstanding stock.
Top purchasers of CENX stock for the quarter ending December 2025 included Glencore plc (49.46Mn), VANGUARD GROUP INC (1.09Mn), D. E. Shaw & Co., Inc. (989.34K), Sourcerock Group LLC (981.52K), MILLENNIUM MANAGEMENT LLC (975.36K).
The largest sales of CENX for the quarter ending December 2025 came from CITADEL ADVISORS LLC (808.48K), BlackRock, Inc. (643.39K), Jpmorgan Chase & Co (634.33K), Boston Partners (539.42K), Bank Of America Corp /De/ (486.94K).
Business Quant data shows the 10 biggest positions in Century Aluminum as of December 2025 are held by Glencore plc (89.52Mn), BlackRock, Inc. (9.48Mn), VANGUARD GROUP INC (6.94Mn), State Street Corp (4.3Mn), Sourcerock Group LLC (3.62Mn), DIMENSIONAL FUND ADVISORS LP (2.77Mn), Morgan Stanley (1.61Mn), MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. (1.49Mn), MILLENNIUM MANAGEMENT LLC (1.42Mn), Goldman Sachs Group Inc (1.33Mn).

321 Institutional Holders

154,076,566 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
Glencore plc	31 Dec, 2025	89,517,841	49,460,485	123.47%	$3,507,309,009.00
BlackRock, Inc.	31 Dec, 2025	9,484,567	-643,392	-6.35%	$371,605,334.00
VANGUARD GROUP INC	31 Dec, 2025	6,939,794	1,094,257	18.72%	$271,901,129.00
State Street Corp	31 Dec, 2025	4,295,711	77,895	1.85%	$168,305,957.00
Sourcerock Group LLC	31 Dec, 2025	3,621,984	981,519	37.17%	$141,909,333.00
DIMENSIONAL FUND ADVISORS LP	31 Dec, 2025	2,765,132	-296,102	-9.67%	$108,340,758.00
Morgan Stanley	31 Dec, 2025	1,609,093	176,730	12.34%	$63,044,358.00
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.	31 Dec, 2025	1,493,823	36,422	2.50%	$58,529,407.00
MILLENNIUM MANAGEMENT LLC	31 Dec, 2025	1,418,032	975,359	220.33%	$55,558,494.00
Goldman Sachs Group Inc	31 Dec, 2025	1,331,404	781,301	142.03%	$52,164,408.00
GEODE CAPITAL MANAGEMENT, LLC	31 Dec, 2025	1,318,503	-493	-0.04%	$51,666,602.00
D. E. Shaw & Co., Inc.	31 Dec, 2025	1,190,937	989,343	490.76%	$46,660,911.00
UBS Group AG	31 Dec, 2025	1,111,273	636,796	134.21%	$43,539,676.00
AMERICAN CENTURY COMPANIES INC	31 Dec, 2025	974,241	206,549	26.91%	$38,170,763.00
VOLORIDGE INVESTMENT MANAGEMENT, LLC	31 Dec, 2025	940,325	143,442	18.00%	$36,841,934.00
Assenagon Asset Management S.A.	31 Dec, 2025	872,753	464,814	113.94%	$34,194,463.00
Fisher Asset Management, LLC	31 Dec, 2025	866,944	-99,631	-10.31%	$33,966,865.00
Impala Asset Management LLC	31 Dec, 2025	857,805	168,805	24.50%	$33,608,800.00
UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC	31 Dec, 2025	747,087	-112,813	-13.12%	$29,270,868.00
Qube Research & Technologies Ltd	31 Dec, 2025	726,192	-96,938	-11.78%	$28,452,203.00

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