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CENX Institutional Ownership & 13F Holders | SmartMoneyDB

CENXCENTURY ALUM CO

COM · CUSIP 156431108

Smart Money Ownership

Of the 14 tracked institutions holding CENX, 8 have a 3-year clone track record — 7 of them beat the S&P. Average holder's clone alpha: +4.9pt. It's a gauge of who owns the name, not just how many.

CENX (CENTURY ALUM CO) Institutional Ownership Summary

Among the 14 tracked institutional investors we monitor, CENX (CENTURY ALUM CO) is held with a combined value of $1.34B across 30,150,883 shares. The largest holder is BlackRock, Inc. with a position worth $474.13M. 8 funds increased their holdings. 6 funds reduced their position.

Total Institutional Value

$1.34B

Total Shares Held

30,150,883

Institutional Holders

This Quarter's Biggest Movers

Ranked by estimated dollars moved (share change × implied price). 13F data lags up to 45 days.

Biggest Buyers

BlackRock, Inc.+14% shares~$59.7M VANGUARD GROUP INC+19% shares~$42.8M STATE STREET CORP+19% shares~$40.4M Fisher Asset Management, LLC+80% shares~$31.4M Kinetic Partners Management, LP+46% shares~$11.3M

13F Institutional Holders

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Fisher Asset Management, LLC

0.02% of book+80.2%

$70.60M

MILLENNIUM MANAGEMENT LLC

0.03% of book-43.8%

$51.36M

Kinetic Partners Management, LP

0.85% of book+46.1%

$35.74M

WELLINGTON MANAGEMENT GROUP LLP

0.00% of book+45.0%

$25.25M

Bridgewater Associates, LP

0.09% of book-35.3%

$21.81M

Point72 Asset Management, L.P.

0.02% of book-48.3%

$13.55M

#	Fund	Value↓	Shares	Portfolio %	Change
1	BlackRock, Inc.	$474.13M	10,304,905	0.01%	+14.4%
2	VANGUARD GROUP INC	$271.90M	6,939,794	0.00%	+18.7%
3	STATE STREET CORP	$255.02M	5,542,720	0.01%	+18.8%
4	FMR LLC	$90.20M	1,960,353	0.00%	-26.3%
5	Fisher Asset Management, LLC	$70.60M	1,534,405	0.02%	+80.2%
6	MILLENNIUM MANAGEMENT LLC	$51.36M	1,116,217	0.03%	-43.8%
7	Kinetic Partners Management, LP	$35.74M	776,700	0.85%	+46.1%
8	WELLINGTON MANAGEMENT GROUP LLP	$25.25M	548,898	0.00%	+45.0%
9	Bridgewater Associates, LP	$21.81M	473,928	0.09%	-35.3%
10	Point72 Asset Management, L.P.	$13.55M	294,555	0.02%	-48.3%

Activist & Large Holders (13D/13G)

Investor	Ownership	Type	Filed
BlackRock, Inc.	10.5%	13G/A	2026-10-05
STATE STREET CORP	5.6%

Frequently Asked Questions

Which institutional investors own the most CENX stock?

As of the latest SEC 13F filings, BlackRock, Inc. is the largest institutional holder of CENX with a position worth $474.13M, representing 0.01% of their portfolio. In total, 14 institutional investors hold CENX with a combined value of $1.34B.

What percentage of CENX is owned by institutional investors?

Institutional investors hold $1.34B worth of CENX stock across 14 positions. The largest institutional holder is BlackRock, Inc. with $474.13M in holdings.

What is a 13F filing and why does it matter for CENX?

A 13F filing is a quarterly report required by the SEC from institutional investment managers with over $100 million in assets. It discloses their holdings in U.S. equities. For CENX, these filings reveal which major funds are accumulating or reducing positions, providing insights into institutional sentiment.

Track CENX institutional moves

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