RENAISSANCE TECHNOLOGIES LLC

Position in KALU — Kaiser Aluminum Corp

CIK 1037389 NEW YORK, NY

Position in KALU

as of Jun 30, 2026 · filed Aug 13, 2026 Compact

Position Value

$3,834,348

-$240,577 QoQ

Shares Held

19,600

-42.0% QoQ

Ownership

0.120%

of shares outstanding

% of Portfolio

0.01%

of 13F equity value

Holder Rank

#82

of 335 holders

Holding Since

Mar 2020

20 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Basic Materials · as of Jun 30, 2026

RENAISSANCE TECHNOLOGIES LLC holds $37,668,433 across 3 Aluminum names. KALU ranks #3 (10.2% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AA	Alcoa Corp	565,696	$29,495,389
2	CENX	Century Aluminum Co	94,299	$4,338,696
3	KALU	Kaiser Aluminum Corp This page	19,600	$3,834,348

20 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$3,834,348	19,600	-42.0%	Shares	Sole	2026-08-13
2026-03-31	$4,074,925	33,814	+363.2%	Shares	Sole	2026-05-14
2025-12-31	$838,478	7,300	+14.1%	Shares	Sole	2026-02-12
2025-09-30	$493,824	6,400	-86.7%	Shares	Sole	2025-11-13
2025-06-30	$3,859,170	48,300	+127.8%	Shares	Sole	2025-08-13
2025-03-31	$1,285,144	21,200	-55.9%	Shares	Sole	2025-05-14
2024-09-30	$3,488,212	48,100	+843.1%	Shares	Sole	2024-11-13
2024-06-30	$448,290	5,100	-44.6%	Shares	Sole	2024-08-09
2022-12-31	$698,832	9,200	-88.8%	Shares	Sole	2023-02-13
2022-09-30	$5,030,700	82,000	+16.1%	Shares	Sole	2022-11-14
2022-06-30	$5,583,754	70,600	+1312.0%	Shares	Sole	2022-08-12
2022-03-31	$470,800	5,000	-80.5%	Shares	Sole	2022-05-13
2021-12-31	$2,404,864	25,600	-65.9%	Shares	Sole	2022-02-11
2021-09-30	$8,182,896	75,100	-42.8%	Shares	Sole	2021-11-12
2021-06-30	$16,226,586	131,400	-33.2%	Shares	Sole	2021-08-13
2021-03-31	$21,735,350	196,700	-19.3%	Shares	Sole	2021-05-13
2020-12-31	$24,107,072	243,752	-38.6%	Shares	Sole	2021-02-10
2020-09-30	$21,269,871	396,900	+26.5%	Shares	Sole	2020-11-13
2020-06-30	$23,101,956	313,800	-17.4%	Shares	Sole	2020-08-13
2020-03-31	$26,333,328	380,100	—	Shares	Sole	2020-05-14
No filing history on record for this holder in this stock.