KALU · NASDAQ · Aluminum

Kaiser Aluminum (KALU)

Produces specialty aluminum mill products for aerospace, packaging, engineering, and automotive applications.

$153.85
After hours−0.01 (−0.01%)
At close$153.86(+1.93%)

13F · 13D/G · Form 4

Institutions≈ 101.02%16.52M shares
345 holders · as of Jun 30, 2026 · largest filers plus last quarter's tail
Insiders2.41%394.8K shares
20 holders · as of Jun 5, 2026
Adds to103.43%

16.35M company shares as of Sep 22, 2026 · institutions as of Jun 30, 2026 · holders as of their latest filing

This quarter's institutional total failed a plausibility check; shown: the largest filers plus last quarter's remainder.

These groups come from separate filings that can overlap, so they add to 103.43%; nothing is left for Other.

13F · 13D/G · Form 4

HolderStakeSharesDate
BlackRock, Inc.Institution
17.56%2.87Mas of Jun 30, 2026
Vanguard Portfolio Management LLCInstitution
8.64%1.41Mas of Jun 30, 2026
State Street CorpInstitution
8.06%1.32Mas of Jun 30, 2026
Dimensional Fund Advisors LPInstitution
4.75%775,944as of Jun 30, 2026
Vanguard Capital Management LLCInstitution
4.33%707,161as of Jun 30, 2026
Macquarie Management Holdings, Inc.Institution
4.16%679,387as of Jun 30, 2026
Geode Capital Management, LLCInstitution
2.89%471,735as of Jun 30, 2026
American Century Companies IncInstitution
2.69%439,923as of Jun 30, 2026
Barrow Hanley Mewhinney & Strauss LLCInstitution
2.56%419,050as of Jun 30, 2026
Fisher Asset Management, LLCInstitution
2.16%352,761as of Jun 30, 2026
Franklin Resources IncInstitution
1.67%272,388as of Jun 30, 2026
Charles Schwab Investment Management IncInstitution
1.59%259,873as of Jun 30, 2026
Sixth Street Partners Management Company, L.P.Institution
1.59%259,873as of Jun 30, 2026
Invesco Ltd.Institution
1.57%256,161as of Jun 30, 2026
Systematic Financial Management LPInstitution
1.42%232,240as of Jun 30, 2026
Goldman Sachs Group IncInstitution
1.39%227,467as of Jun 30, 2026
Bank of New York Mellon CorpInstitution
1.20%196,048as of Jun 30, 2026
Morgan StanleyInstitution
1.19%194,659as of Jun 30, 2026
Northern Trust CorpInstitution
1.14%185,992as of Jun 30, 2026
Wellington Management Group LLPInstitution
1.09%178,672as of Jun 30, 2026
Nuveen, LLCInstitution
1.06%173,822as of Jun 30, 2026
Bank of America Corp /DE/Institution
1.04%170,173as of Jun 30, 2026
Westfield Capital Management Co LPInstitution
1.00%163,465as of Jun 30, 2026
Two Sigma Investments, LPInstitution
0.96%156,166as of Jun 30, 2026
First Eagle Investment Management, LLCInstitution
0.85%138,431as of Jun 30, 2026

13F, as of Jun 30, 2026

345 holders · 16.52M shares · 82 new positions · 196 increased · 104 reduced · 31 closed

HolderShares% outstandingChg q/qFiled
BlackRock, Inc.2.87M17.56%+27.7KAug 7, 2026
Vanguard Portfolio Management LLC1.41M8.64%+104.4KAug 13, 2026
State Street Corp1.32M8.06%−15.4KAug 7, 2026
Dimensional Fund Advisors LP775.9K4.75%−42.4KAug 11, 2026
Vanguard Capital Management LLC707.2K4.33%+37.4KAug 13, 2026
Macquarie Management Holdings, Inc.679.4K4.16%−34.8KAug 14, 2026
Geode Capital Management, LLC471.7K2.89%+67.7KAug 12, 2026
American Century Companies Inc439.9K2.69%−38.9KAug 12, 2026

13D/G · 5% or more, as filed

Holder% of classSharesFormFiled
BlackRock, Inc.14.80%2.40M13GApr 24, 2026
State Street Corporation8.20%1.33M13GMay 12, 2026
Vanguard Portfolio Management8.13%1.32M13GApr 29, 2026
Barrow Hanley Mewhinney & Strauss LLC5.39%872.8K13GAug 12, 2025
Barrow Hanley Global Investors5.15%822.6K13GNov 13, 2024
Vanguard Capital Management5.10%833.5K13GJul 31, 2026

Form 4

Latest trades

DateInsiderTypeSharesAvg priceOwned after
Apr 29, 2026
Keith Harveydirector, officer: President & CEO
Sale3,031$173.1394,308
Apr 29, 2026
Richard P. Grimleydirector
Sale1,524$171.524,578
Apr 27, 2026
Keith Harveydirector, officer: President & CEO
Sale47,001$175.0997,339
Apr 28, 2026
Neal E. Westofficer: EVP & CFO
Sale5,000$173.2919,091
Apr 27, 2026
Iulian Gheorgheofficer: SVP - Adv Eng & Innovation
Sale175$174.224,448
Apr 27, 2026
John Malcolm Donnanofficer: EVP, CAO and GC
Sale2,743$178.2029,700
Apr 27, 2026
Brett Wilcoxdirector
Sale15,000$174.449,887
Feb 23, 2026
Neal E. Westofficer: EVP & CFO
Sale5,000$121.7212,775
Feb 23, 2026
John Malcolm Donnanofficer: EVP, CAO and GC
Sale18,461$125.0822,205
Nov 7, 2025
Blain Tiffanyofficer: EVP - Sales & Marketing
Sale8,656$93.9226,275

House and Senate disclosures

Not reported.