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

KAISER ALUMINUM CORP

307 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·307 13F holders·last filed Mar 31, 2026
Market cap
13F value held
$1.4B
visible holders
Holders
307
filers reporting
Concentration
24.37%
BlackRock, Inc. #1
top holder share
AI Holders Summary · Q1 2026

307 institutions reported KALU in Q1 2026. BlackRock, Inc. leads at 24.4% of the visible book.

Top holders

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

#HolderValueShares% port.Quarter
01
BlackRock, Inc.
CIK 0002012383
$343M2.8M0.01%Q1 2026
02
STATE STREET CORP
CIK 0000093751
$161M1.3M0.01%Q1 2026
03
Vanguard Portfolio Management
CIK 0002100121· Index
$158M1.3M0.01%Q1 2026
04
DIMENSIONAL FUND ADVISORS LP
CIK 0000354204· Quasi-passive
$99M818K0.02%Q1 2026
05
Delaware Management Holdings, Inc.
CIK 0000921739
$86M714K0.15%Q1 2026
06
VANGUARD CAPITAL MANAGEMENT LLC
CIK 0002100119· Index
$81M670K0.00%Q1 2026
07
BARROW HANLEY MEWHINNEY & STRAUSS LLC
CIK 0000313028
$64M531K0.21%Q1 2026
08
AMERICAN CENTURY COMPANIES INC
CIK 0000748054
$58M479K0.03%Q1 2026
09
GEODE CAPITAL MANAGEMENT, LLC
CIK 0001214717· Index
$49M404K0.00%Q1 2026
10
WELLINGTON MANAGEMENT GROUP LLP
CIK 0000902219
$40M332K0.01%Q1 2026
11
Fisher Asset Management, LLC
CIK 0000850529
$37M305K0.01%Q1 2026
12
CHARLES SCHWAB INVESTMENT MANAGEMENT INC
CIK 0000884546· Index
$34M281K0.01%Q1 2026
13
Invesco Ltd.
CIK 0000914208
$32M269K0.00%Q1 2026
14
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP
CIK 0001164508
$30M248K0.02%Q1 2026
15
SYSTEMATIC FINANCIAL MANAGEMENT LP
CIK 0001085936
$29M243K0.67%Q1 2026
16
Bank of New York Mellon Corp
CIK 0001390777
$24M197K0.00%Q1 2026
17
BRIGHTLINE CAPITAL MANAGEMENT, LLC
CIK 0001432450
$21M175K6.24%Q1 2026
18
NORTHERN TRUST CORP
CIK 0000073124· Index
$21M175K0.00%Q1 2026
19
MORGAN STANLEY
CIK 0000895421
$21M172K0.00%Q1 2026
20
BANK OF AMERICA CORP /DE/
CIK 0000070858
$21M171K0.00%Q1 2026
Page 1 of 16
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Insiders at KAISER ALUMINUM CORP
Glas Kimberly ThompsonArnold Michael CGrimley Richard P.Hoffman James DonaldWilcox BrettStebbins Donald JFoster David AMinor Glenda J