13F Insight
DOSSIER · 13F Holders · Q1 2026Basic Materials · Rolling Drawing & Extruding of Nonferrous MetalsBellwetherCompounder
KALU

KAISER ALUMINUM CORP

298 institutions still hold KAISER ALUMINUM CORP as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.

CUSIP 483007704·Rolling Drawing & Extruding of Nonferrous Metals·298 13F holders·last filed Mar 31, 2026
Market cap
—
▲ 4.8%
vs prior quarter
13F value held
$1.4B
58.0% inst. owned
of float
Holders
298
-136 QoQ
filers reporting
Activity
+73 / −46
+1,041 added · −888 reduced
this quarter
Concentration
24.36%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

298 institutions reported KALU in Q1 2026. BlackRock, Inc. leads at 24.4% of the visible book. -136 net institutions QoQ — distribution reading.

Top holders

Sorted by position value. Source: SEC EDGAR 13F-HR filings.

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$343M2.8M0.01%Q1 202602
STATE STREET CORP
CIK 0000093751
$161M1.3M0.01%Q1 202603
Vanguard Portfolio Management
CIK 0002100121
$158M1.3M0.01%Q1 202604
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$99M818K0.02%Q1 202605
Delaware Management Holdings, Inc.
CIK 0000921739
$86M714K0.15%Q1 202606
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$81M670K0.00%Q1 202607
BARROW HANLEY MEWHINNEY & STRAUSS LLC
CIK 0000313028
$64M531K0.21%Q1 202608
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$58M479K0.03%Q1 202609
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$49M404K0.00%Q1 202610
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$40M332K0.01%Q1 202611
Fisher Asset Management, LLC
CIK 0000850529
$37M305K0.01%Q1 202612
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$34M281K0.01%Q1 202613
Invesco Ltd.
CIK 0000914208
$32M269K0.01%Q1 202614
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$30M248K0.02%Q1 202615
SYSTEMATIC FINANCIAL MANAGEMENT LP
CIK 0001085936
$29M243K0.67%Q1 202616
Bank of New York Mellon Corp
CIK 0001390777
$24M197K0.00%Q1 202617
Tributary Capital Management, LLC
CIK 0001441888
$21M176K2.06%Q1 202618
BRIGHTLINE CAPITAL MANAGEMENT, LLC
CIK 0001432450
$21M175K6.24%Q1 202619
NORTHERN TRUST CORP
CIK 0000073124· Index
$21M175K0.00%Q1 202620
MORGAN STANLEY
CIK 0000895421
$21M172K0.00%Q1 2026
Page 1 of 15
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