TWO SIGMA INVESTMENTS, LP

Position in KALU — Kaiser Aluminum Corp

CIK 1179392 NEW YORK, NY

Position in KALU

as of Jun 30, 2026 · filed Aug 14, 2026 Compact

Position Value

$30,550,754

+$16,013,513 QoQ

Shares Held

156,166

+29.5% QoQ

Ownership

0.955%

of shares outstanding

% of Portfolio

0.02%

of 13F equity value

Holder Rank

#23

of 335 holders

Holding Since

Mar 2020

11 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Basic Materials · as of Jun 30, 2026

TWO SIGMA INVESTMENTS, LP holds $48,143,256 across 4 Aluminum names. KALU ranks #1 (63.5% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	KALU	Kaiser Aluminum Corp This page	156,166	$30,550,754
2	CSTM	Constellium SE	365,357	$11,643,927
3	AA	Alcoa Corp	89,759	$4,680,034
4	CENX	Century Aluminum Co	27,571	$1,268,541

11 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$30,550,754	156,166	+29.5%	Shares	Sole	2026-08-14
2026-03-31	$14,537,241	120,631	+1355.3%	Shares	Sole	2026-05-15
2025-03-31	$502,479	8,289	+72.5%	Shares	Sole	2025-05-15
2024-12-31	$337,577	4,804	+12.8%	Shares	Sole	2025-02-14
2024-09-30	$308,790	4,258	+33.1%	Shares	Sole	2024-11-14
2024-06-30	$281,280	3,200	-88.3%	Shares	Sole	2024-08-14
2024-03-31	$2,446,230	27,375	+136.3%	Shares	Sole	2024-05-15
2023-12-31	$824,736	11,585	+305.5%	Shares	Sole	2024-02-14
2023-03-31	$213,217	2,857	-38.2%	Shares	Sole	2023-05-15
2020-09-30	$247,907	4,626	-56.0%	Shares	Sole	2020-11-16
2020-03-31	$728,756	10,519	—	Shares	Sole	2020-05-15
No filing history on record for this holder in this stock.