KAISER ALUMINUM CORP - Common Stock, par value $0.01 per share (KALU) Institutional Ownership

13F Institutional Holders and Ownership History from Q1 2014 to Q4 2025

Type / Class
Equity / Common Stock, par value $0.01 per share
Symbol
KALU on Nasdaq
Shares outstanding
16,213,893
Price per share
$114.86
All holders as of 31 Dec 2025
Q4 2025
Total 13F shares
15,776,222
Total reported value
$1,812,404,343
% of total 13F portfolios
0%
Share change
-458,084
Value change
-$9,791,957
Number of holders
263
Price from insider filings
$114.86
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of KAISER ALUMINUM CORP - Common Stock, par value $0.01 per share (KALU) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
BlackRock, Inc. 16% -17% $161,716,176 -$32,678,555 2,590,775 -17% BlackRock, Inc. 31 Mar 2025
NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 5.6% $104,290,353 907,978 NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 31 Dec 2025
DIMENSIONAL FUND ADVISORS LP 5% $50,694,153 812,146 Dimensional Fund Advisors LP 31 Mar 2025
BARROW HANLEY MEWHINNEY & STRAUSS LLC 4.8% -12% $59,629,557 -$7,714,997 772,804 -11% BARROW HANLEY MEWHINNEY & STRAUSS LLC 30 Sep 2025
VICTORY CAPITAL MANAGEMENT INC 2.9% -48% $28,199,046 -$24,730,554 451,763 -47% Victory Capital Management, Inc. 31 Dec 2024

As of 31 Dec 2025, 263 institutional investors reported holding 15,776,222 shares of KAISER ALUMINUM CORP - Common Stock, par value $0.01 per share (KALU). This represents 97% of the company’s total 16,213,893 outstanding shares.

Top 25 Institutional Shareholders

The largest institutional shareholders of KAISER ALUMINUM CORP - Common Stock, par value $0.01 per share (KALU) together control 79% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.

Institution Ownership % Shares Held Share Change % Portfolio % Holdings Value
BlackRock, Inc. 18% 2,997,191 -0.97% 0.01% $344,257,368
VANGUARD GROUP INC 13% 2,117,791 +0.28% 0% $243,249,474
STATE STREET CORP 6% 966,148 -16% 0% $110,971,759
NOMURA ASSET MANAGEMENT INTERNATIONAL INC. 5.6% 907,978 0% 0.16% $104,290,000
DIMENSIONAL FUND ADVISORS LP 5.1% 831,652 +1.7% 0.02% $95,527,618
AMERICAN CENTURY COMPANIES INC 3.7% 593,086 +0.74% 0.03% $68,121,885
BARROW HANLEY MEWHINNEY & STRAUSS LLC 3.5% 564,218 -27% 0.22% $64,806,079
WELLINGTON MANAGEMENT GROUP LLP 3% 481,602 -4.1% 0.01% $55,316,805
GEODE CAPITAL MANAGEMENT, LLC 2.4% 393,529 -1.4% 0% $45,208,691
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1.8% 289,778 -1.7% 0.01% $33,283,901
ARROWSTREET CAPITAL, LIMITED PARTNERSHIP 1.7% 271,749 +286% 0.02% $31,213,090
SYSTEMATIC FINANCIAL MANAGEMENT LP 1.6% 258,210 -2.2% 0.7% $29,658,134
Tributary Capital Management, LLC 1.4% 232,880 -6.9% 2.6% $26,748,597
MORGAN STANLEY 1.3% 210,182 +2.2% 0% $24,141,573
Bank of New York Mellon Corp 1.2% 198,354 +17% 0% $22,782,989
GOLDMAN SACHS GROUP INC 1.1% 179,781 +112% 0% $20,649,687
NORTHERN TRUST CORP 1% 170,104 -5.2% 0% $19,538,146
BANK OF AMERICA CORP /DE/ 1% 169,861 -2.7% 0% $19,510,235
BRIGHTLINE CAPITAL MANAGEMENT, LLC 1% 168,000 7.8% $19,296,480
Fisher Asset Management, LLC 0.97% 157,078 +14% 0.01% $18,041,978
Invesco Ltd. 0.93% 151,511 +21% 0% $17,402,554
HOTCHKIS & WILEY CAPITAL MANAGEMENT LLC 0.92% 149,470 -12% 0.05% $17,168,124
First Eagle Investment Management, LLC 0.91% 146,915 -4.1% 0.03% $16,874,657
BRIDGEWAY CAPITAL MANAGEMENT, LLC 0.77% 125,386 +4.6% 0.3% $14,401,836
NFJ INVESTMENT GROUP, LLC 0.76% 123,336 -3.3% 0.51% $14,166,373

Institutional Holders of KAISER ALUMINUM CORP - Common Stock, par value $0.01 per share (KALU) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price (Median) Investors
2025 Q4 15,776,222 $1,812,404,343 -$9,791,957 $114.86 263
2025 Q3 15,300,803 $1,180,729,833 -$2,861,120 $77.16 208
2025 Q2 15,366,881 $1,227,758,447 +$33,060,545 $79.90 195
2025 Q1 15,084,287 $914,482,866 -$23,379,479 $60.62 204
2024 Q4 15,461,035 $1,086,746,696 -$9,193,367 $70.27 205
2024 Q3 15,559,868 $1,128,968,948 -$61,353,650 $72.52 208
2024 Q2 16,195,376 $1,423,716,655 +$38,043,643 $87.90 220
2024 Q1 15,761,826 $1,408,269,481 -$11,026,005 $89.36 188
2023 Q4 15,896,259 $1,131,592,790 -$25,211,811 $71.19 160
2023 Q3 16,210,803 $1,219,884,171 -$10,094,284 $75.26 153
2023 Q2 16,341,137 $1,170,776,878 +$9,081,786 $71.64 158
2023 Q1 16,210,209 $1,209,779,227 +$23,606,379 $74.63 166
2022 Q4 15,966,060 $1,212,988,769 -$39,105,805 $75.96 181
2022 Q3 16,532,324 $1,015,130,731 +$23,130,834 $61.35 159
2022 Q2 15,979,336 $1,263,790,381 +$24,676,826 $79.09 177
2022 Q1 15,718,203 $1,479,741,774 +$22,428,469 $94.16 178
2021 Q4 15,479,796 $1,455,519,159 -$9,291,124 $93.94 183
2021 Q3 15,542,923 $1,693,930,230 -$17,085,886 $108.96 175
2021 Q2 15,782,808 $1,948,787,980 +$36,455,525 $123.49 185
2021 Q1 15,569,029 $1,720,529,622 -$28,254,537 $110.50 170
2020 Q4 15,882,291 $1,571,017,412 +$62,661,843 $98.90 168
2020 Q3 15,388,852 $824,759,487 -$19,722,146 $53.59 161
2020 Q2 15,616,876 $1,149,597,940 -$12,407,469 $73.62 163
2020 Q1 15,802,969 $1,094,700,229 -$20,960,054 $69.28 171
2019 Q4 16,042,002 $1,778,999,640 +$26,035,645 $110.89 176
2019 Q3 15,815,911 $1,565,330,096 -$3,650,503 $98.97 182
2019 Q2 15,858,279 $1,547,765,242 +$35,145,573 $97.61 191
2019 Q1 16,008,908 $1,676,182,279 -$13,265,081 $104.73 210
2018 Q4 16,094,660 $1,437,054,747 -$57,517,673 $89.29 192
2018 Q3 16,731,979 $1,820,671,422 -$31,899,108 $109.06 199
2018 Q2 16,980,391 $1,766,349,577 -$27,419,341 $104.11 198
2018 Q1 17,458,816 $1,761,573,475 +$2,428,672 $100.90 201
2017 Q4 17,471,346 $1,867,097,070 +$9,618,884 $106.85 199
2017 Q3 17,289,954 $1,783,120,549 +$28,556,195 $103.14 189
2017 Q2 17,195,840 $1,522,129,844 +$6,866,465 $88.52 186
2017 Q1 17,157,994 $1,370,941,753 +$172,588,095 $79.90 193
2016 Q4 17,119,859 $1,330,644,443 -$41,447,156 $77.69 189
2016 Q3 17,566,241 $1,518,528,587 -$12,717,209 $86.49 199
2016 Q2 17,706,899 $1,600,658,036 -$482,578 $90.41 199
2016 Q1 17,687,262 $1,495,007,220 +$6,218,936 $84.54 191
2015 Q4 17,609,076 $1,473,040,056 -$111,807,581 $83.66 192
2015 Q3 18,983,091 $1,523,257,765 -$99,196,239 $80.25 195
2015 Q2 20,246,155 $1,682,054,623 +$23,957,024 $83.08 179
2015 Q1 19,995,380 $1,537,026,518 -$1,836,462 $76.89 189
2014 Q4 20,059,710 $1,432,831,069 +$1,639,387 $71.43 182
2014 Q3 20,357,075 $1,551,641,360 +$28,275,438 $76.22 184
2014 Q2 19,989,253 $1,456,970,689 -$31,105,820 $72.87 166
2014 Q1 20,422,801 $1,458,547,509 -$11,300,128 $71.42 167