STATE OF WISCONSIN INVESTMENT BOARD

Position in KALU — Kaiser Aluminum Corp

CIK 854157 MADISON, WI

Position in KALU

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

Position Value

$730,873

+$46,168 QoQ

Shares Held

3,736

-61.2% QoQ

Ownership

0.023%

of shares outstanding

% of Portfolio

0.00%

of 13F equity value

Holder Rank

#177

of 335 holders

Holding Since

Jun 2022

8 quarters on record

Voting authority Sole 100% Shared 0% None 0%

Basic Materials · as of Jun 30, 2026

STATE OF WISCONSIN INVESTMENT BOARD holds $18,435,890 across 4 Aluminum names. KALU ranks #4 (4.0% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	AA	Alcoa Corp	170,147	$8,871,464
2	CENX	Century Aluminum Co	109,502	$5,038,187
3	CSTM	Constellium SE	119,089	$3,795,366
4	KALU	Kaiser Aluminum Corp This page	3,736	$730,873

8 filing rows on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$730,873	3,736	-61.2%	Shares	Sole	2026-08-14
2023-12-31	$684,705	9,618	-1.5%	Shares	Sole	2024-02-12
2023-09-30	$734,913	9,765	-19.7%	Shares	Sole	2023-11-14
2023-06-30	$871,142	12,160	+27.9%	Shares	Sole	2023-08-14
2023-03-31	$709,582	9,508	-20.0%	Shares	Sole	2023-05-15
2022-12-31	$902,860	11,886	-17.8%	Shares	Sole	2023-02-14
2022-09-30	$887,427	14,465	+257.5%	Shares	Sole	2022-11-14
2022-06-30	$319,998	4,046	—	Shares	Sole	2022-08-15
No filing history on record for this holder in this stock.