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Disclosery

KALU KAISER ALUMINIUM CORPORATION

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COM PAR $0.01 (common), issuer CIK 811596

279 managers (288 13F filers) reported a position in KALU shares at 2026-03-31, 15,909,803 shares in all. 53 filers opened a position and 31 filers sold out during the quarter.

Managers
279
13F filers
288
New
53
Added
94
Reduced
97
Sold out
31
Shares held by filers
15,909,803

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q1 2026

Filers in the available 13F reports with a share position at 2026-03-31, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
BlackRock, Inc.in group BlackRock, Inc.2,842,894$343M0.01%-154,29713F-HRTimelineGroup
VANGUARD GROUP INCgroup of 6 filers holding2,111,395$254MnewTimeline
STATE STREET CORPin group STATE STREET CORP1,332,923$161M0.01%+366,77513F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP818,314$98.6M0.02%-13,33813F-HRTimelineGroup
NOMURA ASSET MANAGEMENT CO LTDgroup of 2 filers holding714,426$86.1M-193,552Timeline
BARROW HANLEY MEWHINNEY & STRAUSS LLC530,671$64M0.21%-33,54713F-HRTimeline
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC478,796$57.7M0.03%-114,29013F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC403,997$48.7M<0.01%+10,46813F-HRTimelineGroup
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…332,112$40M0.01%-149,49013F-HRTimelineGroup
Fisher Asset Management, LLC304,507$36.7M0.01%+147,42913F-HRTimeline
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co280,755$33.8M0.01%-9,02313F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.268,577$32.4M<0.01%+117,06613F-HRTimelineGroup
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …248,409$29.9M0.02%-23,34013F-HRTimelineGroup
SYSTEMATIC FINANCIAL MANAGEMENT LP242,995$29.3M0.67%-15,21513F-HRTimeline
Bank of New York Mellon Corpin group Bank of New York Mellon Corp196,686$23.7M<0.01%-1,66813F-HRTimelineGroup
Tributary Capital Management, LLC176,234$21.2M2.06%-56,64613F-HRTimeline
BRIGHTLINE CAPITAL MANAGEMENT, LLC175,000$21.1M6.24%+7,00013F-HRTimeline
NORTHERN TRUST CORPin group NORTHERN TRUST CORP174,561$21M<0.01%+4,45713F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY172,162$20.7M<0.01%-38,02013F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/171,369$20.7M<0.01%+1,50813F-HRTimelineGroup
Nuveen, LLCin group TIAA164,117$19.8M0.01%+113,24613F-HRTimelineGroup
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC153,986$18.6M<0.01%-25,79513F-HRTimelineGroup
BRIDGEWAY CAPITAL MANAGEMENT, LLC131,315$15.8M0.32%+5,92913F-HRTimeline
NFJ INVESTMENT GROUP, LLC123,381$14.9M0.56%+4513F-HRTimeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP120,631$14.5M0.01%new13F-HRTimelineGroup
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co112,506$13.6M0.02%+68,13913F-HRTimelineGroup
First Eagle Investment Management, LLCin group First Eagle Investment Manage…110,761$13.3M0.02%-36,15413F-HR/ATimelineGroup
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC109,830$13.2M0.04%-39,64013F-HRTimeline
UBS Group AGgroup of 2 filers holding106,814$12.9M+13,870Timeline
PRINCIPAL FINANCIAL GROUP INCin group PRINCIPAL FINANCIAL GROUP INC101,510$12.2M0.01%+24,85313F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.95,982$11.6M0.01%+32,98313F-HRTimelineGroup
ALGERT GLOBAL LLC83,748$10.1M0.15%+15,74013F-HR/ATimeline
Empowered Funds, LLC76,781$9.25M0.06%new13F-HR/ATimeline
WINSLOW ASSET MANAGEMENT INC74,003$8.92M1.73%-1,78613F-HRTimeline
Covalis Capital LLPin group Covalis Capital LLP69,667$8.4M0.52%new13F-HRTimelineGroup
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC63,320$7.63M0.01%+24,45113F-HRTimelineGroup
SEI INVESTMENTS COin group SEI INVESTMENTS CO62,842$7.57M0.01%+23,37313F-HRTimelineGroup
ENVESTNET ASSET MANAGEMENT INCgroup of 2 filers holding59,290$7.15M-10,564Timeline
Qube Research & Technologies Ltd57,859$6.97M0.01%new13F-HRTimeline
Public Sector Pension Investment Board57,443$6.92M0.02%+1,85513F-HRTimeline
VICTORY CAPITAL MANAGEMENT INC57,290$6.9M<0.01%+47,39413F-HRTimeline
PANAGORA ASSET MANAGEMENT INC55,417$6.68M0.03%+26,37013F-HRTimeline
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC50,671$6.11M0.01%+69913F-HRTimelineGroup
RHUMBLINE ADVISERS48,254$5.82M<0.01%+68813F-HRTimeline
ICON ADVISERS INC/CO46,482$5.6M1.29%-20,00013F-HRTimeline
GREAT LAKES ADVISORS, LLC45,316$5.46M0.05%-4813F-HRTimeline
1492 Capital Management LLC43,461$5.24M1.99%+4,51813F-HRTimeline
Allspring Global Investments Holdings, …in group Allspring Global Investments …39,736$5.21M0.01%-1,97613F-HRTimelineGroup
GAMCO Investors (Gabelli)group of 2 filers holding43,112$5.2M-4,160Timeline
Trexquant Investment LP43,088$5.19M0.04%new13F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC38,735$4.67M<0.01%-8,56313F-HR/ATimelineGroup
Legal & General Group Plcin group Legal & General Group Plc35,376$4.26M<0.01%-3,91113F-HRTimelineGroup
RENAISSANCE TECHNOLOGIES LLC33,814$4.07M0.01%+26,51413F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS33,745$4.07M<0.01%+7,67913F-HRTimelineGroup
MACKENZIE FINANCIAL CORP32,605$3.93M<0.01%+15,40113F-HRTimeline
Swiss National Bank31,900$3.84M<0.01%013F-HRTimeline
PDT Partners, LLC31,788$3.83M0.23%013F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…31,431$3.79M<0.01%-9,91013F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO32,302$3.7M<0.01%-14,24313F-HR/ATimelineGroup
BESSEMER GROUP INCin group BESSEMER GROUP INC29,915$3.6M0.01%-5413F-HRTimelineGroup
THIRD AVENUE MANAGEMENT LLC29,881$3.6M0.58%-55,48213F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…28,181$3.4M<0.01%-22,22613F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN28,062$3.38M<0.01%-16,80013F-HR/ATimelineGroup
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC27,887$3.36M<0.01%+8,24513F-HRTimelineGroup
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.26,194$3.16M0.01%-3,64213F-HRTimelineGroup
MIRABELLA FINANCIAL SERVICES LLP25,213$3.04M0.29%new13F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA23,714$2.86M<0.01%+11,76913F-HRTimelineGroup
Oliver Luxxe Assets LLC21,537$2.6M0.39%new13F-HRTimeline
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP21,033$2.53M<0.01%-17,51913F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…20,630$2.49M<0.01%+4,32713F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC19,240$2.32M<0.01%-7,84513F-HRTimelineGroup
Harvest Investment Advisors, LLC18,870$2.27M1.27%-1,49913F-HRTimeline
PRICE T ROWE ASSOCIATES INC /MD/18,613$2.24M<0.01%+2,90113F-HRTimeline
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…18,078$2.18M<0.01%-31613F-HRTimelineGroup
Cambridge Investment Research Advisors,…18,030$2.17M0.01%+7,59913F-HRTimeline
ALLIANCEBERNSTEIN L.P.18,769$2.16M<0.01%+30013F-HRTimeline
Numerai GP LLC17,706$2.13M0.21%+11,38913F-HRTimeline
LPL Financial LLC17,103$2.06M<0.01%+53213F-HRTimeline
TEACHER RETIREMENT SYSTEM OF TEXAS16,794$2.02M0.01%+6,89413F-HRTimeline
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …16,691$2.01M<0.01%-7,15213F-HRTimelineGroup
Man Group plcin group Man Group plc16,491$1.99M<0.01%+1,43413F-HRTimelineGroup
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC15,159$1.83M<0.01%-1,63313F-HRTimelineGroup
Y-Intercept (Hong Kong) Ltd14,813$1.79M0.03%new13F-HRTimeline
DEPRINCE RACE & ZOLLO INC14,742$1.78M0.03%-32,49413F-HRTimeline
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\13,900$1.68M<0.01%+1,42113F-HRTimelineGroup
VARCOV Co.13,546$1.63M0.61%new13F-HRTimeline
NATIXIS ADVISORS, LLCin group Natixis Investment Managers13,435$1.62M<0.01%-94813F-HRTimelineGroup
COOKSON PEIRCE & CO INC13,282$1.6M0.07%+3,28013F-HRTimeline
FMR LLCin group FMR LLC12,995$1.57M<0.01%+2,06213F-HRTimelineGroup
AMG National Trust Bank12,822$1.55M0.03%-17713F-HRTimeline
PVG ASSET MANAGEMENT CORP8,374$1.53M0.91%+6,43513F-HRTimeline
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/12,582$1.52M<0.01%+99113F-HRTimelineGroup
CREDIT AGRICOLE S Ain group CREDIT AGRICOLE S A12,500$1.51M<0.01%new13F-HRTimelineGroup
CAXTON ASSOCIATES LLP11,675$1.41M0.03%-1,28313F-HRTimeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC11,306$1.37M<0.01%-49713F-HRTimelineGroup
INTECH INVESTMENT MANAGEMENT LLC10,589$1.28M0.01%+2,56513F-HRTimeline
NAVELLIER & ASSOCIATES INC10,443$1.26M0.13%new13F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP10,726$1.23M<0.01%+10,20613F-HRTimelineGroup
SEGALL BRYANT & HAMILL, LLC10,149$1.22M0.02%-2,32413F-HR/ATimeline
180 WEALTH ADVISORS, LLC10,131$1.22M0.14%-1813F-HRTimeline
ExodusPoint Capital Management, LP9,763$1.18M0.01%new13F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC9,539$1.15M<0.01%-53,01613F-HRTimelineGroup
ARK Investment Management LLCin group ARK Investment Management LLC9,412$1.13M0.01%-5,46513F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC9,353$1.13M<0.01%-2,16113F-HRTimelineGroup
INDEPENDENT FINANCIAL GROUP, LLC9,150$1.1M0.02%-3,15013F-HR/ATimeline
State of Tennessee, Department of Treas…9,094$1.1M<0.01%-2,65313F-HRTimeline
Orion Porfolio Solutions, LLC9,067$1.09M0.01%-2,72013F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…8,995$1.08M0.01%-8813F-HRTimelineGroup
Summit Global Investmentsin group Summit Global Investments8,981$1.08M0.06%-4,29313F-HRTimelineGroup
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC8,634$1.04M<0.01%-3,28413F-HRTimelineGroup
State of Alaska, Department of Revenue8,566$1.03M0.01%-27613F-HRTimeline
Illinois Municipal Retirement Fund8,423$1.02M0.01%+58013F-HRTimeline
HANCOCK WHITNEY CORP5,516$940K0.02%+2,96613F-HRTimeline
SIMPLEX TRADING, LLC7,768$936K0.03%+24813F-HRTimeline
MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd.in group Mirae Asset Global Investment…7,760$934K<0.01%+1213F-HRTimelineGroup
Engineers Gate Manager LP7,740$933K0.01%-4,48413F-HRTimeline
XTX Topco Ltdin group XTX Topco Ltd7,599$916K0.02%+2,22313F-HRTimelineGroup
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…7,171$864K0.01%+1,48213F-HRTimelineGroup
Louisiana State Employees Retirement Sy…7,100$856K0.01%-30013F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …6,989$842K<0.01%+22113F-HRTimelineGroup
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…6,971$840K<0.01%-3,20113F-HRTimeline
Creative Planningin group Creative Planning6,958$839K<0.01%+82413F-HRTimelineGroup
MEEDER ASSET MANAGEMENT INCin group Meeder Advisory Services, Inc.6,954$838K0.05%+1,05713F-HRTimelineGroup
JANUS HENDERSON GROUP PLCin group Janus Henderson6,893$831K<0.01%013F-HR/ATimelineGroup
Edgestream Partners, L.P.6,737$812K0.03%-36,73613F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC6,677$805K<0.01%-22,08113F-HRTimelineGroup
CVFG LLC6,560$791K0.1%new13F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC6,556$790K<0.01%-31,80013F-HRTimelineGroup
FRANKLIN RESOURCES INCin group Franklin Resources6,362$767K<0.01%+1,79013F-HRTimelineGroup
EntryPoint Capital, LLC6,272$756K0.22%+69313F-HRTimeline
JENNISON ASSOCIATES LLC6,271$756K<0.01%new13F-HRTimeline
Connor, Clark & Lunn Investment Managem…5,813$701K<0.01%new13F-HRTimeline
Horizon Investments, LLC5,702$687K0.01%-7513F-HRTimeline
FIRST NATIONAL BANK OF OMAHAin group FIRST NATIONAL BANK OF OMAHA5,695$686K0.02%-1,95313F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC5,664$683K<0.01%-26,80913F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND5,635$679K<0.01%013F-HRTimeline
Cetera Investment Advisers5,543$668K<0.01%+2,91013F-HRTimeline
Voleon Capital Management LP5,501$663K0.01%new13F-HRTimeline
SHEETS SMITH WEALTH MANAGEMENT5,459$658K0.07%-3013F-HRTimeline
NEW YORK STATE TEACHERS RETIREMENT SYST…5,420$653K<0.01%-34513F-HRTimeline
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…5,341$644K<0.01%+5,26513F-HRTimelineGroup
DRW Securities, LLC5,132$618K0.03%new13F-HRTimeline
VISTA INVESTMENT PARTNERS LLC5,105$615K0.16%013F-HRTimeline
FIRST CITIZENS BANK & TRUST CO5,007$603K0.01%-20813F-HRTimeline
Advisors Asset Management, Inc.4,992$602K0.01%-1613F-HRTimeline
COMMONWEALTH EQUITY SERVICES, LLC4,944$596K<0.01%+1,02813F-HRTimeline
NISA INVESTMENT ADVISORS, LLC4,763$574K<0.01%+213F-HRTimeline
AMALGAMATED BANK4,624$557K<0.01%-3413F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM4,451$536K<0.01%-5513F-HRTimeline
Police & Firemen's Retirement System of…4,444$536K<0.01%013F-HRTimeline
CAPSTONE INVESTMENT ADVISORS, LLCin group CAPSTONE INVESTMENT ADVISORS,…4,393$529K<0.01%new13F-HRTimelineGroup
Jump Financial, LLCin group Jump Financial, LLC4,327$521K0.01%-2,47013F-HRTimelineGroup
Central Pacific Bank - Trust Division4,274$515K0.07%013F-HRTimeline
YOUSIF CAPITAL MANAGEMENT, LLC4,256$513K0.01%-7813F-HRTimeline
SG Americas Securities, LLC4,241$511K<0.01%-2,23313F-HRTimeline
TEACHERS RETIREMENT SYSTEM OF THE STATE…4,044$487K<0.01%013F-HRTimeline
EVOLVE PRIVATE WEALTH, LLC4,015$484K0.03%new13F-HRTimeline
Quantbot Technologies LP3,971$479K0.02%+1,00213F-HRTimeline
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…3,970$478K<0.01%-513F-HRTimeline
LOS ANGELES CAPITAL MANAGEMENT LLC3,945$475K<0.01%-38113F-HRTimeline
Quantinno Capital Management LP3,847$464K<0.01%+21313F-HRTimeline
Diametric Capital, LP3,725$449K0.12%new13F-HRTimeline
OREGON PUBLIC EMPLOYEES RETIREMENT FUND3,704$446K0.01%+6213F-HRTimeline
KLP KAPITALFORVALTNING AS3,600$434K<0.01%+20013F-HRTimeline
ALLSTATE CORPin group ALLSTATE CORP3,580$431K<0.01%new13F-HRTimelineGroup
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…3,564$430K<0.01%+5013F-HRTimelineGroup
Quadrature Capital Ltdin group Quadrature Capital Ltd3,517$424K0.01%-2,44213F-HRTimelineGroup
Ashton Thomas Private Wealth, LLC3,493$421K0.01%+95613F-HRTimeline
DIVERSIFIED TRUST CO3,467$418K0.01%+1,42313F-HRTimeline
MARTINGALE ASSET MANAGEMENT L P3,402$410K0.01%new13F-HRTimeline
Van Diest Capital, LLC3,372$406K0.32%new13F-HRTimeline
Ethic Inc.3,350$404K0.01%+79713F-HRTimeline
CANADA PENSION PLAN INVESTMENT BOARD3,300$398K<0.01%013F-HRTimeline
StoneX Group Inc.in group StoneX Group Inc.3,071$370K0.02%new13F-HRTimelineGroup
Brooklyn Investment Group2,935$354K0.01%-1,39613F-HRTimeline
DAVENPORT & Co LLC2,781$335K<0.01%+25113F-HRTimeline
Zurcher Kantonalbank (Zurich Cantonalba…2,756$332K<0.01%013F-HRTimeline
Tactive Advisors, LLC2,744$331K0.09%new13F-HRTimeline
QRG CAPITAL MANAGEMENT, INC.2,697$325K<0.01%+86313F-HRTimeline
TRUST POINT INC.2,566$309K0.03%+2413F-HRTimeline
HighTower Advisors, LLC2,556$308K<0.01%new13F-HRTimeline
MML INVESTORS SERVICES, LLC2,545$307K<0.01%-49913F-HRTimeline
Mariner, LLCin group Mariner, LLC2,524$304K<0.01%-30013F-HRTimelineGroup
ProShare Advisors LLC2,502$302K<0.01%-62513F-HRTimeline
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…2,499$301K<0.01%+41613F-HRTimelineGroup
Cornerstone Investment Partners, LLC2,448$295K0.01%+53213F-HRTimeline
Sanctuary Advisors, LLC2,431$293K<0.01%new13F-HRTimeline
BAILARD, INC.2,400$289K0.01%-39813F-HRTimeline
Amundiin group Amundi2,391$288K<0.01%+16513F-HRTimelineGroup
Maryland State Retirement & Pension Sys…2,332$281K0.01%013F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\2,171$262K<0.01%-58113F-HRTimelineGroup
Swiss Life Asset Management Ltdin group Swiss Life Asset Management L…2,145$258K<0.01%new13F-HRTimelineGroup
PUBLIC EMPLOYEES RETIREMENT ASSOCIATION…2,119$255K<0.01%013F-HRTimeline
Marex Group Ltdin group Marex Group Ltd2,000$241K<0.01%new13F-HRTimelineGroup
Advisory Services Network, LLC1,967$237K<0.01%new13F-HRTimeline
Heritage Family Offices, LLP1,876$226K0.1%-1,29613F-HRTimeline
MUTUAL OF AMERICA CAPITAL MANAGEMENT LLCin group MUTUAL OF AMERICA CAPITAL MAN…1,837$221K<0.01%+213F-HRTimelineGroup
E&G Advisors, LLC1,800$217K0.05%new13F-HRTimeline
Moran Wealth Management, LLC1,776$214K0.01%new13F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…1,607$194K0.01%-22413F-HRTimelineGroup