Century Aluminum Co (CENX) Institutional Ownership

Institutions by Trading Activity

Ownership Statistics

94,000,000Shares Outstanding

406,956Shares held by institutions

$19,896,079Value of institutional holdings

107.47%Institutional ownership %

6.46%Shares Changed QoQ

311No. of institutional investors

Shares Owned by Institutions

Shares Purchased/Sold by Institutions

Ownership Summary

The institutional landscape for Century Aluminum Co (NASDAQ:CENX) includes 311 filers as of the latest reporting cycle ending December 2025.

These investors collectively held 107.5% of the company's total shares outstanding in December 2025, up from 103.1% in September 2025.
The company experienced a 6.46% quarterly change in institutional shares held, alongside an increase of 40.72% in total owners annually.
During the quarter, 203 institutions bought more Century Aluminum shares, 86 sold shares, and 22 of the 311 total investors held their position steady.
The total number of shares held by institutions in Century Aluminum increased to 101.02Mn as of December 2025, a net change of up by 6.13Mn shares quarter on quarter, and up 7.27Mn shares year over year.
Glencore plc continues to be the largest institutional holder of Century Aluminum as of December 31, 2025, with a position of 36.01Mn shares, representing 38.30% of the company's outstanding stock.
Among the most significant buyers of Century Aluminum during December 2025 were UBS Group AG (2.07Mn), VANGUARD GROUP INC (1.09Mn), MILLENNIUM MANAGEMENT LLC (990.36K), D. E. Shaw & Co., Inc. (989.34K), Sourcerock Group LLC (981.52K).
Leading sellers of Century Aluminum stock in December 2025 included Glencore plc (4.05Mn), CITADEL ADVISORS LLC (808.48K), BlackRock, Inc. (643.39K), Boston Partners (539.42K), Encompass Capital Advisors LLC (311.32K).
The top 10 institutional holders of Century Aluminum for the quarter ending December 2025 included Glencore plc (36.01Mn), BlackRock, Inc. (9.48Mn), VANGUARD GROUP INC (6.94Mn), STATE STREET CORP (4.30Mn), Sourcerock Group LLC (3.62Mn), DIMENSIONAL FUND ADVISORS LP (2.77Mn), UBS Group AG (2.55Mn), MORGAN STANLEY (1.61Mn), MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. (1.49Mn), MILLENNIUM MANAGEMENT LLC (1.43Mn).

311 Institutional Holders

406,956 Total Shares Held

Rows:

Download Data

Owner Name	Date	Shares Held	Change (QoQ)	Change (%)	Value (USD)
Glencore plc	31 Dec, 2025	36,005,947	-4,051,409	-10.11%	$1,410,713,003.00
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
UBS Group AG	31 Dec, 2025	2,547,935	2,073,458	437.00%	$99,828,093.00
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	1,433,032	990,359	223.72%	$56,146,194.00
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
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
CITADEL ADVISORS LLC	31 Dec, 2025	697,217	-808,479	-53.69%	$27,316,962.00

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