KAISER ALUMINUM CORP

KALUNASDAQ

$152.24-1.53 (-0.99%)as of Oct 7, 2026

Legend

Insider buy

Insider sell

Congress buy

Congress sell

Hedge Funds
bought vs soldGreener markers show more buyers; redder markers show more sellers.

Company share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size.

Insider buy
Insider sell
Congress buy
Congress sell
Hedge Funds bought vs sold

Share activityNet buybacksNo changeNet dilution

Marker size reflects transaction size. Greener fund markers mean more buyers.

Insider Buy
Insider Sell
Congress Buy
Congress Sell
Hedge funds bought vs sold
BuybackNo changeNet dilution

KAISER ALUMINUM CORP price and activity chart data

Showing the 1Y range: Oct 7, 2025 to Oct 7, 2026. Price (+96.8%). 0 insider or congressional trades plotted in this window as 0 markers; nearby trades of the same kind are grouped.

Transactions plotted on the price chart
Date	Category	Person	Role	Action	Amount	Change in holding

Largest institutional holders

13F · Q2 2026

Fund	% of company held	Value	% of portfolio	Quarterly activity
BlackRock, Inc.	17.56%	$562M	0.01%	Not reported
Vanguard Portfolio Management LLC	8.64%	$276M	0.01%	Not reported
State Street Corp	8.06%	$258M	0.01%	Not reported
Dimensional Fund Advisors LP	4.75%	$152M	0.03%	Not reported
Vanguard Capital Management LLC	4.33%	$138M	0.00%	Not reported
Nomura Asset Management International Inc.	4.16%	$133M	0.20%	Reduce 4.87%
Geode Capital Management, LLC	2.89%	$92.3M	0.00%	Not reported
American Century Companies Inc	2.69%	$86.1M	0.04%	Not reported
Barrow Hanley Mewhinney & Strauss LLC	2.56%	$82M	0.25%	Not reported
Fisher Asset Management, LLC	2.16%	$69M	0.02%	Add 15.85%
First Eagle Investment Management, LLC	1.69%	$54.2M	0.04%	Add 149.96%
Charles Schwab Investment Management Inc	1.59%	$50.8M	0.01%	Not reported
Invesco Ltd.	1.57%	$50.1M	0.00%	Not reported
Systematic Financial Management LP	1.42%	$45.4M	0.91%	Reduce 4.43%
Goldman Sachs Group Inc	1.39%	$44.5M	0.00%	Not reported
Bank of New York Mellon Corp	1.20%	$38.4M	0.01%	Not reported
Morgan Stanley	1.19%	$38.1M	0.00%	Not reported
Northern Trust Corp	1.14%	$36.4M	0.00%	Not reported
Wellington Management Group LLP	1.09%	$35M	0.01%	Reduce 46.20%
Nuveen, LLC	1.06%	$34M	0.01%	Not reported
Bank of America Corp	1.04%	$33.3M	0.00%	Not reported
Westfield Capital Management Co LP	1.00%	$32M	0.10%	New Not reported
Two Sigma Investments, LP	0.96%	$30.6M	0.02%	Not reported
Algert Global LLC	0.77%	$24.6M	0.29%	Not reported
Panagora Asset Management Inc	0.76%	$24.4M	0.07%	Not reported
Vanguard Fiduciary Trust Co	0.71%	$22.6M	0.01%	Not reported
Bessemer Group Inc	0.67%	$21.4M	0.03%	Add 265.91%
Assenagon Asset Management S.A.	0.67%	$21.3M	0.01%	Not reported
Jane Street Group, LLC	0.66%	$21.2M	0.00%	Not reported
Principal Financial Group Inc	0.65%	$20.6M	0.01%	Not reported
Mackenzie Financial Corp	0.62%	$19.7M	0.02%	Not reported
Bridgeway Capital Management, LLC	0.61%	$19.6M	0.35%	Not reported
D. E. Shaw & Co., Inc.	0.61%	$19.6M	0.01%	Not reported
First Trust Advisors LP	0.56%	$17.8M	0.01%	Add 333.68%
Acadian Asset Management LLC	0.54%	$17.2M	0.02%	Not reported
Victory Capital Management Inc	0.53%	$17M	0.01%	Not reported
CANADA LIFE ASSURANCE Co	0.52%	$16.6M	0.03%	Reduce 24.55%
Trexquant Investment LP	0.50%	$15.9M	0.09%	Not reported
Hotchkis & Wiley Capital Management LLC	0.47%	$15M	0.04%	Reduce 30.05%
Tributary Capital Management, LLC	0.46%	$14.8M	1.22%	Reduce 57.03%
Winslow Asset Management Inc	0.44%	$14.1M	2.44%	Reduce 2.94%
Prudential Financial Inc	0.40%	$12.9M	0.01%	Not reported
Arrowstreet Capital, Limited Partnership	0.39%	$12.6M	0.01%	Not reported
Healthcare of Ontario Pension Plan Trust Fund	0.36%	$11.4M	0.02%	Add 736.26%
Public Sector Pension Investment Board	0.34%	$10.9M	0.03%	Reduce 3.22%
Hennessy Advisors Inc	0.33%	$10.6M	0.34%	New Not reported
UBS Group AG	0.32%	$10.4M	0.00%	Not reported
Empowered Funds, LLC	0.32%	$10.3M	0.05%	Reduce 31.10%
Norges Bank	0.28%	$9.1M	0.00%	Not reported
NFJ Investment Group, LLC	0.28%	$9.08M	0.31%	Reduce 62.39%

50 of 310 holders

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