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Disclosery

KALU KAISER ALUMINIUM CORPORATION

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COM PAR $0.01 (common), issuer CIK 811596

324 managers (335 13F filers) reported a position in KALU shares at 2026-06-30, 16,415,861 shares in all. 78 filers opened a position and 29 filers sold out during the quarter.

Managers
324
13F filers
335
New
78
Added
113
Reduced
102
Sold out
29
Shares held by filers
16,415,861

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, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, 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.2,870,588$562M0.01%+27,69413F-HRTimelineGroup
VANGUARD GROUP INCgroup of 7 filers holding2,264,781$443M+153,386Timeline
STATE STREET CORPin group STATE STREET CORP1,317,519$258M0.01%-15,40413F-HRTimelineGroup
DIMENSIONAL FUND ADVISORS LPin group DIMENSIONAL FUND ADVISORS LP775,944$152M0.03%-42,37013F-HRTimelineGroup
NOMURA ASSET MANAGEMENT CO LTDgroup of 2 filers holding679,387$133M-35,039Timeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC471,735$92.3M<0.01%+67,73813F-HRTimelineGroup
AMERICAN CENTURY COMPANIES INCin group AMERICAN CENTURY COMPANIES INC439,923$86.1M0.04%-38,87313F-HRTimelineGroup
BARROW HANLEY MEWHINNEY & STRAUSS LLC419,050$82M0.25%-111,62113F-HRTimeline
Fisher Asset Management, LLC352,761$69M0.02%+48,25413F-HRTimeline
FRANKLIN RESOURCES INCin group Franklin Resources272,388$53.3M0.01%+266,02613F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co259,873$50.8M0.01%-20,88213F-HRTimelineGroup
Invesco Ltd.in group Invesco Ltd.256,161$50.1M<0.01%-12,41613F-HRTimelineGroup
SYSTEMATIC FINANCIAL MANAGEMENT LP232,240$45.4M0.91%-10,75513F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC227,467$44.5M<0.01%+73,48113F-HRTimelineGroup
Bank of New York Mellon Corpin group Bank of New York Mellon Corp196,048$38.4M0.01%-63813F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY194,659$38.1M<0.01%+22,49713F-HRTimelineGroup
NORTHERN TRUST CORPin group NORTHERN TRUST CORP185,992$36.4M<0.01%+11,43113F-HRTimelineGroup
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…178,672$35M0.01%-153,44013F-HRTimelineGroup
Nuveen, LLCin group TIAA173,822$34M0.01%+9,70513F-HRTimelineGroup
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/170,173$33.3M<0.01%-1,19613F-HRTimelineGroup
WESTFIELD CAPITAL MANAGEMENT CO LP163,465$32M0.1%new13F-HRTimeline
TWO SIGMA INVESTMENTS, LPin group TWO SIGMA INVESTMENTS, LP156,166$30.6M0.02%+35,53513F-HRTimelineGroup
First Eagle Investment Management, LLCin group First Eagle Investment Manage…138,431$27.1M0.04%+27,67013F-HR/ATimelineGroup
ALGERT GLOBAL LLC125,576$24.6M0.29%+41,82813F-HRTimeline
PANAGORA ASSET MANAGEMENT INC124,915$24.4M0.07%+69,49813F-HRTimeline
BESSEMER GROUP INCin group BESSEMER GROUP INC109,463$21.4M0.03%+79,54813F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC108,370$21.2M0.01%+57,69913F-HRTimelineGroup
PRINCIPAL FINANCIAL GROUP INCin group PRINCIPAL FINANCIAL GROUP INC105,510$20.6M0.01%+4,00013F-HRTimelineGroup
MACKENZIE FINANCIAL CORP100,812$19.7M0.02%+68,20713F-HRTimeline
BRIDGEWAY CAPITAL MANAGEMENT, LLC100,434$19.6M0.35%-30,88113F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.100,368$19.6M0.01%+4,38613F-HRTimelineGroup
UBS Group AGgroup of 2 filers holding96,876$19M-9,938Timeline
FIRST TRUST ADVISORS LPin group FIRST TRUST ADVISORS LP91,215$17.8M0.01%+70,18213F-HRTimelineGroup
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC88,064$17.2M0.02%+79,43013F-HRTimelineGroup
VICTORY CAPITAL MANAGEMENT INC86,838$17M0.01%+29,54813F-HRTimeline
CANADA LIFE ASSURANCE Coin group CANADA LIFE ASSURANCE Co84,882$16.6M0.03%-27,62413F-HRTimelineGroup
Trexquant Investment LP81,259$15.9M0.1%+38,17113F-HRTimeline
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC76,830$15M0.04%-33,00013F-HRTimeline
Tributary Capital Management, LLC75,731$14.8M1.22%-100,50313F-HRTimeline
WINSLOW ASSET MANAGEMENT INC71,827$14.1M2.44%-2,17613F-HRTimeline
PRUDENTIAL FINANCIAL INCin group PRUDENTIAL FINANCIAL INC66,075$12.9M0.01%+46,83513F-HRTimelineGroup
ARROWSTREET CAPITAL, LIMITED PARTNERSHIPin group ARROWSTREET CAPITAL, LIMITED …64,176$12.6M0.01%-184,23313F-HRTimelineGroup
HRT FINANCIAL LP61,202$12M0.02%new13F-HRTimeline
HEALTHCARE OF ONTARIO PENSION PLAN TRUS…58,296$11.4M0.02%+51,32513F-HRTimeline
Public Sector Pension Investment Board55,592$10.9M0.03%-1,85113F-HR/ATimeline
Assenagon Asset Management S.A.54,484$10.7M0.01%new13F-HR/ATimeline
HENNESSY ADVISORS INC54,400$10.6M0.34%new13F-HRTimeline
Empowered Funds, LLC52,900$10.3M0.05%-23,88113F-HRTimeline
NORGES BANK46,500$9.1M<0.01%new13F-HRTimeline
NFJ INVESTMENT GROUP, LLC46,404$9.08M0.31%-76,97713F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS45,337$8.87M<0.01%+11,59213F-HRTimelineGroup
SEI INVESTMENTS COin group SEI INVESTMENTS CO43,687$8.55M0.01%-19,15513F-HRTimelineGroup
RHUMBLINE ADVISERS43,374$8.49M0.01%-4,88013F-HRTimeline
ENVESTNET ASSET MANAGEMENT INCgroup of 2 filers holding42,897$8.39M-16,393Timeline
AQR CAPITAL MANAGEMENT LLCin group AQR CAPITAL MANAGEMENT LLC42,224$8.26M<0.01%+14,33713F-HRTimelineGroup
Allspring Global Investments Holdings, …in group Allspring Global Investments …44,247$8.17M0.01%+4,51113F-HRTimelineGroup
ICON ADVISERS INC/CO41,382$8.1M1.52%-5,10013F-HRTimeline
GREAT LAKES ADVISORS, LLC41,124$8.05M0.06%-4,19213F-HRTimeline
1492 Capital Management LLC38,985$7.63M2.25%-4,47613F-HRTimeline
PDT Partners, LLC38,588$7.55M0.4%+6,80013F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC37,374$7.31M<0.01%-1,36113F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…36,851$7.14M0.01%+8,67013F-HRTimelineGroup
XTX Topco Ltdin group XTX Topco Ltd35,805$7M0.09%+28,20613F-HRTimelineGroup
Legal & General Group Plcin group Legal & General Group Plc35,569$6.96M<0.01%+19313F-HRTimelineGroup
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN34,004$6.65M<0.01%+5,94213F-HRTimelineGroup
Jump Financial, LLCin group Jump Financial, LLC33,505$6.55M0.06%+29,17813F-HRTimelineGroup
Jupiter Topco LLCin group Janus Henderson33,063$6.47M<0.01%13F-HRTimelineGroup
Swiss National Bank32,500$6.36M<0.01%+60013F-HRTimeline
THIRD AVENUE MANAGEMENT LLC29,848$5.84M0.93%-3313F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA27,825$5.44M<0.01%+4,11113F-HRTimelineGroup
CREDIT AGRICOLE S Ain group CREDIT AGRICOLE S A27,500$5.38M0.01%+15,00013F-HRTimelineGroup
FMR LLCin group FMR LLC27,158$5.31M<0.01%+14,16313F-HRTimelineGroup
Thrivent Financial for Lutheransin group Thrivent Financial for Luther…23,316$4.56M0.01%+5,23813F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/22,489$4.4M<0.01%+3,87613F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC21,626$4.23M<0.01%-41,69413F-HRTimelineGroup
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO21,173$4.09M<0.01%-11,12913F-HRTimelineGroup
CALIFORNIA STATE TEACHERS RETIREMENT SY…20,127$3.94M<0.01%-50313F-HR/ATimeline
RENAISSANCE TECHNOLOGIES LLC19,600$3.83M0.01%-14,21413F-HRTimeline
Man Group plcin group Man Group plc17,955$3.51M0.01%+1,46413F-HRTimelineGroup
CITIGROUP INCin group CITIGROUP INC17,551$3.43M<0.01%+8,19813F-HRTimelineGroup
DEUTSCHE BANK AG\in group DEUTSCHE BANK AG\17,190$3.36M<0.01%+3,29013F-HRTimelineGroup
GAMCO Investors (Gabelli)group of 2 filers holding16,160$3.16M-26,952Timeline
HSBC HOLDINGS PLCin group HSBC HOLDINGS PLC15,827$3.07M<0.01%+4,52113F-HRTimelineGroup
Connor, Clark & Lunn Investment Managem…14,987$2.93M0.01%+9,17413F-HRTimeline
COOKSON PEIRCE & CO INC14,825$2.9M0.1%+1,54313F-HRTimeline
Inspire Investing, LLCgroup of 2 filers holding14,671$2.87M+13,779Timeline
BANK OF MONTREAL /CAN/in group BANK OF MONTREAL /CAN/14,482$2.83M<0.01%+1,90013F-HRTimelineGroup
Universal- Beteiligungs- und Serviceges…in group Universal- Beteiligungs- und …14,237$2.79M<0.01%-2,45413F-HRTimelineGroup
Oliver Luxxe Assets LLC13,231$2.59M0.38%-8,30613F-HRTimeline
INTECH INVESTMENT MANAGEMENT LLC12,937$2.53M0.02%+2,34813F-HRTimeline
LAZARD ASSET MANAGEMENT LLCin group LAZARD ASSET MANAGEMENT LLC12,927$2.53M<0.01%new13F-HRTimelineGroup
ALLIANCEBERNSTEIN L.P.20,878$2.52M<0.01%+2,10913F-HRTimeline
NAVELLIER & ASSOCIATES INC12,548$2.45M0.19%+2,10513F-HRTimeline
LPL Financial LLC12,356$2.42M<0.01%-4,74713F-HRTimeline
Vident Advisory, LLCin group Vident Advisory, LLC11,083$2.17M0.02%new13F-HRTimelineGroup
Engineers Gate Manager LP10,333$2.02M0.03%+2,59313F-HRTimeline
Cambridge Investment Research Advisors,…10,303$2.02M<0.01%-7,72713F-HR/ATimeline
Voleon Capital Management LP10,135$1.98M0.04%+4,63413F-HRTimeline
180 WEALTH ADVISORS, LLC9,657$1.89M0.19%-47413F-HRTimeline
MetLife Investment Management, LLCin group MetLife Investment Management…9,635$1.88M0.01%+64013F-HRTimelineGroup
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC9,424$1.84M<0.01%-5,73513F-HRTimelineGroup
Orion Porfolio Solutions, LLC9,097$1.78M0.01%+3013F-HRTimeline
GLOBEFLEX CAPITAL L P8,903$1.74M0.22%new13F-HRTimeline
Illinois Municipal Retirement Fund8,878$1.74M0.02%+45513F-HRTimeline
STATE BOARD OF ADMINISTRATION OF FLORID…8,837$1.73M<0.01%new13F-HRTimeline
Mirae Asset Global Investments Co., Ltd.group of 2 filers holding8,590$1.68M+830Timeline
Creative Planningin group Creative Planning8,482$1.66M<0.01%+1,52413F-HRTimelineGroup
Range Financial Group LLC8,386$1.64M0.45%new13F-HRTimeline
PVG ASSET MANAGEMENT CORP8,374$1.64M0.95%013F-HRTimeline
DIVERSIFIED TRUST CO8,320$1.63M0.03%+4,85313F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …8,041$1.57M<0.01%+1,05213F-HRTimelineGroup
Edgestream Partners, L.P.7,668$1.5M0.04%+93113F-HRTimeline
Summit Global Investmentsin group Summit Global Investments7,645$1.5M0.08%-1,33613F-HRTimelineGroup
CAXTON ASSOCIATES LLP7,635$1.49M0.03%-4,04013F-HRTimeline
ARK Investment Management LLC7,530$1.47M0.01%-1,88213F-HRTimeline
Horizon Investments, LLC7,526$1.47M0.02%+1,82413F-HRTimeline
Aquatic Capital Management LLC7,396$1.45M0.05%+6,94913F-HRTimeline
MEEDER ASSET MANAGEMENT INCin group Meeder Advisory Services, Inc.7,387$1.45M0.07%+43313F-HRTimelineGroup
State of Tennessee, Department of Treas…7,222$1.41M<0.01%-1,87213F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…7,201$1.41M<0.01%-24,23013F-HRTimelineGroup
Gotham Asset Management, LLC7,186$1.41M<0.01%new13F-HRTimeline
Louisiana State Employees Retirement Sy…7,100$1.39M0.02%013F-HR/ATimeline
JENNISON ASSOCIATES LLC7,058$1.38M<0.01%+78713F-HRTimeline
Quantbot Technologies LP7,045$1.38M0.05%+3,07413F-HRTimeline
BARCLAYS PLCin group BARCLAYS PLC6,961$1.36M<0.01%+28413F-HRTimelineGroup
Tidal Investments LLCin group Tidal Investments LLC6,926$1.35M<0.01%new13F-HRTimelineGroup
CVFG LLC6,560$1.28M0.13%013F-HRTimeline
Qube Research & Technologies Ltd6,425$1.26M<0.01%-51,43413F-HRTimeline
TEACHER RETIREMENT SYSTEM OF TEXAS6,358$1.24M<0.01%-10,43613F-HRTimeline
Advisors Preferred, LLCin group Advisors Preferred, LLC7,038$1.24M0.19%new13F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND6,235$1.22M<0.01%+60013F-HRTimeline
State of New Jersey Common Pension Fund…in group State of New Jersey Common Pe…6,203$1.21M<0.01%new13F-HRTimelineGroup
EntryPoint Capital, LLC6,173$1.21M0.29%-9913F-HRTimeline
CenterBook Partners LP6,119$1.2M0.06%new13F-HRTimeline
Brevan Howard Capital Management LPin group Brevan Howard Capital Managem…6,079$1.19M0.02%-1,09213F-HRTimelineGroup
NEW YORK STATE TEACHERS RETIREMENT SYST…6,019$1.18M<0.01%+59913F-HRTimeline
State of Alaska, Department of Revenue6,000$1.17M0.01%-2,56613F-HRTimeline
CANADA PENSION PLAN INVESTMENT BOARD5,700$1.12M<0.01%+2,40013F-HRTimeline
RAYMOND JAMES FINANCIAL INCin group RAYMOND JAMES FINANCIAL INC5,693$1.11M<0.01%-3,84613F-HRTimelineGroup
VARCOV Co.5,679$1.11M0.42%-7,86713F-HRTimeline
HANCOCK WHITNEY CORP5,568$1.09M0.02%+5213F-HRTimeline
Y-Intercept (Hong Kong) Ltd5,482$1.07M0.02%-9,33113F-HRTimeline
Squarepoint Ops LLCin group Squarepoint Ops LLC5,373$1.05M<0.01%-1,18313F-HRTimelineGroup
VISTA INVESTMENT PARTNERS LLC5,104$998K0.25%-113F-HRTimeline
FIRST CITIZENS BANK & TRUST CO4,941$967K0.01%-6613F-HRTimeline
Advisors Asset Management, Inc.4,913$961K0.01%-7913F-HRTimeline
Police & Firemen's Retirement System of…4,878$954K0.01%+43413F-HRTimeline
Quantinno Capital Management LP4,554$891K<0.01%+70713F-HRTimeline
Legato Capital Management LLC4,531$886K0.07%new13F-HRTimeline
Integrated Quantitative Investments LLC4,531$886K0.15%new13F-HRTimeline
Cetera Investment Advisers4,521$884K<0.01%-1,02213F-HRTimeline
ARIZONA STATE RETIREMENT SYSTEM4,473$875K<0.01%+2213F-HRTimeline
Riverwater Partners LLC4,408$862K0.26%new13F-HRTimeline
NISA INVESTMENT ADVISORS, LLC4,406$862K<0.01%-35713F-HRTimeline
FIFTH THIRD BANCORPin group FIFTH THIRD BANK, NATIONAL AS…4,388$858K<0.01%-95313F-HRTimelineGroup
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP4,573$856K<0.01%-6,15313F-HRTimelineGroup
AMALGAMATED BANK4,357$852K0.01%-26713F-HRTimeline
YOUSIF CAPITAL MANAGEMENT, LLC4,296$840K0.01%+4013F-HRTimeline
EVOLVE PRIVATE WEALTH, LLC4,144$811K0.05%+12913F-HRTimeline
Polymer Capital Management (US) LLC4,140$810K0.12%new13F-HRTimeline
Walleye Capital LLCin group Walleye Capital LLC4,093$801K<0.01%new13F-HRTimelineGroup
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…4,068$796K<0.01%+50413F-HRTimelineGroup
TEACHERS RETIREMENT SYSTEM OF THE STATE…4,044$791K0.01%013F-HRTimeline
Central Pacific Bank - Trust Division4,008$784K0.08%-26613F-HRTimeline
Smith Group Asset Management, LLC3,888$761K0.03%new13F-HRTimeline
COMMONWEALTH OF PENNSYLVANIA PUBLIC SCH…3,839$751K<0.01%-13113F-HRTimeline
Penserra Capital Management LLCin group Penserra Capital Management L…3,822$747K0.01%new13F-HRTimelineGroup
Zurcher Kantonalbank (Zurich Cantonalba…3,765$737K<0.01%+1,00913F-HRTimeline
STATE OF WISCONSIN INVESTMENT BOARD3,736$731K<0.01%new13F-HRTimeline
OREGON PUBLIC EMPLOYEES RETIREMENT FUND3,700$724K0.01%-413F-HRTimeline
SHEETS SMITH WEALTH MANAGEMENT3,667$717K0.07%-1,79213F-HRTimeline
ALLSTATE CORPin group ALLSTATE CORP3,611$706K0.01%+3113F-HRTimelineGroup
KLP KAPITALFORVALTNING AS3,600$704K<0.01%013F-HRTimeline
CAPSTONE INVESTMENT ADVISORS, LLCin group CAPSTONE INVESTMENT ADVISORS,…3,564$697K<0.01%-82913F-HRTimelineGroup
LOS ANGELES CAPITAL MANAGEMENT LLC3,540$693K<0.01%-40513F-HRTimeline
Ashton Thomas Private Wealth, LLC3,499$685K0.01%+613F-HRTimeline
MARTINGALE ASSET MANAGEMENT L P3,407$667K0.02%+513F-HRTimeline
VIRGINIA RETIREMENT SYSTEMS ET Al3,400$665K<0.01%new13F-HRTimeline
Quadrature Capital Ltdin group Quadrature Capital Ltd3,243$634K0.01%-27413F-HRTimelineGroup
ARISTEIA CAPITAL, L.L.C.3,132$613K0.01%new13F-HRTimeline
AMG National Trust Bank3,128$612K0.01%-9,69413F-HRTimeline
QRG CAPITAL MANAGEMENT, INC.3,005$588K<0.01%+30813F-HRTimeline
StoneX Group Inc.in group StoneX Group Inc.2,785$545K0.02%-28613F-HRTimelineGroup
DAVENPORT & Co LLC2,781$544K<0.01%013F-HRTimeline
TRUIST FINANCIAL CORPin group TRUIST FINANCIAL CORP2,700$528K<0.01%new13F-HRTimelineGroup
Ethic Inc.2,665$521K0.01%-68513F-HRTimeline
FIRST NATIONAL BANK OF OMAHAin group FIRST NATIONAL BANK OF OMAHA2,535$496K0.01%-3,16013F-HRTimelineGroup
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…2,499$489K<0.01%013F-HRTimelineGroup
Amundiin group Amundi2,426$475K<0.01%+3513F-HRTimelineGroup
CIBC WORLD MARKET INC.2,420$473K<0.01%new13F-HRTimeline
BAILARD, INC.2,400$470K0.01%013F-HRTimeline
NEUBERGER BERMAN GROUP LLCin group NEUBERGER BERMAN GROUP LLC2,384$466K<0.01%new13F-HRTimelineGroup
ProShare Advisors LLC2,354$461K<0.01%-14813F-HRTimeline
Maryland State Retirement & Pension Sys…2,353$460K0.01%+2113F-HRTimeline
Vestcor Inc2,345$459K0.01%new13F-HRTimeline
Cornerstone Investment Partners, LLC2,334$457K0.02%-11413F-HRTimeline
TRUST POINT INC.2,287$447K0.04%-27913F-HRTimeline
Jackson Creek Investment Advisors LLC2,783$444K0.15%new13F-HRTimeline
State of Wyoming2,225$435K0.04%new13F-HRTimeline
Meridian Wealth Management, LLC2,218$434K0.01%new13F-HRTimeline