BNP PARIBAS ARBITRAGE, SA

Position in CENX — Century Aluminum Co

CIK 1166588 NEW YORK, NY

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Position in CENX

as of Mar 31, 2026 · filed May 12, 2026 Compact

Position Value

$6,646,759

+$2,764,844 QoQ

Shares Held

113,252

+14.3% QoQ

Ownership

0.114%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

—

not a current holder

Holding Since

Mar 2020

25 quarters on record

Voting authority Sole 0.ToString("F0")% Shared 100.ToString("F0")% None 0.ToString("F0")%

Common Shares in CENX Over Time

Shares Held

Position Value (USD)

Derivatives in CENX

reported options exposure · as of Dec 31, 2025

CallValue

$11,753

CallShares

300

PutValue

$9,795

PutShares

250

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Aluminum

Basic Materials · as of Mar 31, 2026

BNP PARIBAS ARBITRAGE, SA holds $43,760,521 across 4 Aluminum names. CENX ranks #2 (15.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AA	Alcoa Corp	478,755	$31,755,819
2	CENX	Century Aluminum Co This page	113,252	$6,646,759
3	KALU	Kaiser Aluminum Corp	33,745	$4,066,609
4	CSTM	Constellium SE	52,536	$1,291,334

All Filings in CENX

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27 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-03-31	$6,646,759	113,252	+14.3%	Shares	Defined	2026-05-12
2025-12-31	$3,881,915	99,079	+39531.6%	Shares	Defined	2026-02-10
2025-12-31	$9,795	250	-16.7%	Put	Defined	2026-02-10
2025-12-31	$11,753	300	-99.7%	Call	Defined	2026-02-10
2025-09-30	$3,412,189	116,219	+2.0%	Shares	Defined	2025-11-13
2025-06-30	$2,053,631	113,964	+17.5%	Shares	Defined	2025-08-14
2025-03-31	$1,800,412	97,005	-68.8%	Shares	Defined	2025-05-14
2024-12-31	$5,669,717	311,181	+69.1%	Shares	Defined	2025-02-14
2024-09-30	$2,987,391	184,066	-17.7%	Shares	Defined	2024-11-13
2024-06-30	$3,745,333	223,602	-3.1%	Shares	Defined	2024-08-13
2024-03-31	$3,552,935	230,860	+43.4%	Shares	Defined	2024-05-01
2023-12-31	$1,953,933	160,950	+26.4%	Shares	Defined	2024-02-14
2023-09-30	$915,495	127,329	-16.6%	Shares	Defined	2023-11-14
2023-06-30	$1,330,567	152,588	+16.7%	Shares	Defined	2023-08-09
2023-03-31	$1,307,100	130,710	-63.8%	Shares	Defined	2023-05-12
2022-12-31	$2,951,859	360,863	-7.6%	Shares	Defined	2023-02-14
2022-09-30	$2,061,338	390,405	-25.6%	Shares	Defined	2022-11-16
2022-06-30	$3,869,308	525,008	+134.1%	Shares	Defined	2022-08-12
2022-03-31	$5,901,675	224,313	+76.4%	Shares	Defined	2022-05-18
2021-12-31	$2,105,719	127,157	-0.8%	Shares	Defined	2022-02-09
2021-09-30	$1,723,375	128,132	+32.2%	Shares	Defined	2021-11-16
2021-06-30	$1,248,873	96,887	+251.2%	Shares	Defined	2021-08-10
2021-03-31	$487,168	27,586	+93.3%	Shares	Defined	2021-05-07
2020-12-31	$157,376	14,268	+9.7%	Shares	Defined	2021-02-10
2020-09-30	$92,616	13,008	+188.4%	Shares	Defined	2020-10-30
2020-06-30	$32,156	4,510	-78.7%	Shares	Defined	2020-08-06
2020-03-31	$76,548	21,146	—	Shares	Defined	2020-05-13
No filing history on record for this holder in this stock.