KAISER ALUMINUM CORP (KALU) Top Institutional Shareholders
KAISER ALUMINUM CORP (KALU) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended March 31, 2026. The institutional investors covered on this page collectively reported approximately $1.86B in KALU holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of KALU tracked by InsiderSet, reporting ownership valued at approximately $342.60M in its March 31, 2026 SEC Form 13F filing. Based on current market prices and the latest disclosed share count, the position is now estimated to be worth approximately $512.97M, representing an estimated gain of +49.73% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 61% of the total disclosed KALU value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., State Street Corp, Vanguard Portfolio Management Llc, and several other long-term asset managers with concentrated positions in KAISER ALUMINUM CORP (KALU).
This page ranks the largest institutional KALU shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
280
Total Reported Value
$1.86B
Largest Holder
Blackrock, Inc.
Largest Position
$342.60M
Insider Transactions (90d)
0
Latest Filing Quarter
Q1 2026
New Institutional Positions
105
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 2,842,894 | $342,597,163 | $512,971,793 | +$170,374,630 | +49.73% | |
| State Street Corp | 0.01% | 1,332,923 | $160,630,551 | $240,512,626 | +$79,882,075 | +49.73% | |
| Vanguard Portfolio Management Llc | 0.01% | 1,308,750 | $157,717,463 | $236,150,850 | +$78,433,387 | +49.73% | |
| Dimensional Fund Advisors Lp | 0.02% | 818,314 | $98,607,910 | $147,656,578 | +$49,048,668 | +49.74% | |
| Nomura Asset Management International Inc. | 0.15% | 714,176 | $86,065,000 | $128,865,917 | +$42,800,917 | +49.73% | |
| Vanguard Capital Management Llc | 0.00% | 669,768 | $80,713,742 | $120,852,938 | +$40,139,196 | +49.73% | |
| Barrow Hanley Mewhinney & Strauss Llc | 0.21% | 530,671 | $63,951,162 | $95,754,275 | +$31,803,113 | +49.73% | |
| American Century Companies Inc | 0.03% | 478,796 | $57,699,735 | $86,393,950 | +$28,694,215 | +49.73% | |
| Geode Capital Management, Llc | 0.00% | 403,997 | $48,695,166 | $72,897,219 | +$24,202,053 | +49.70% | |
| Wellington Management Group Llp | 0.01% | 332,112 | $40,022,817 | $59,926,289 | +$19,903,472 | +49.73% | |
| Fisher Asset Management, Llc | 0.01% | 304,507 | $36,696,137 | $54,945,243 | +$18,249,106 | +49.73% | |
| Charles Schwab Investment Management Inc | 0.01% | 280,755 | $33,833,785 | $50,659,432 | +$16,825,647 | +49.73% | |
| Invesco Ltd. | 0.00% | 268,577 | $32,366,214 | $48,462,034 | +$16,095,820 | +49.73% | |
| Arrowstreet Capital, Limited Partnership | 0.02% | 248,409 | $29,935,769 | $44,822,920 | +$14,887,151 | +49.73% | |
| Systematic Financial Management Lp | 0.67% | 242,995 | $29,283,466 | $43,846,018 | +$14,562,552 | +49.73% | |
| Bank Of New York Mellon Corp | 0.00% | 196,686 | $23,702,646 | $35,490,022 | +$11,787,376 | +49.73% | |
| Tributary Capital Management, Llc | 2.06% | 176,234 | $21,237,959 | $31,799,663 | +$10,561,704 | +49.73% | |
| Brightline Capital Management, Llc | 6.24% | 175,000 | $21,089,250 | $31,577,000 | +$10,487,750 | +49.73% | |
| Northern Trust Corp | 0.00% | 174,561 | $21,036,346 | $31,497,787 | +$10,461,441 | +49.73% | |
| Morgan Stanley | 0.00% | 172,162 | $20,747,400 | $31,064,911 | +$10,317,511 | +49.73% | |
| Bank Of America Corp | 0.00% | 171,369 | $20,651,679 | $30,921,822 | +$10,270,143 | +49.73% | |
| Nuveen, Llc | 0.01% | 164,117 | $19,777,740 | $29,613,271 | +$9,835,531 | +49.73% | |
| Goldman Sachs Group Inc | 0.00% | 153,986 | $18,556,885 | $27,785,234 | +$9,228,349 | +49.73% | |
| Bridgeway Capital Management, Llc | 0.32% | 131,315 | $15,824,771 | $23,694,479 | +$7,869,708 | +49.73% | |
| Nfj Investment Group, Llc | 0.56% | 123,381 | $14,868,644 | $22,262,868 | +$7,394,224 | +49.73% | |
| Two Sigma Investments, Lp | 0.01% | 120,631 | $14,537,242 | $21,766,658 | +$7,229,416 | +49.73% | |
| First Eagle U.S. Value | Jean-Marie Eveillard | 0.02% | 110,761 | $13,347,808 | $19,985,715 | +$6,637,907 | +49.73% |
| Hotchkis & Wiley Capital Management Llc | 0.04% | 109,830 | $13,235,613 | $19,817,725 | +$6,582,112 | +49.73% | |
| Vanguard Fiduciary Trust Co | 0.00% | 107,183 | $12,916,623 | $19,340,101 | +$6,423,478 | +49.73% | |
| Principal Financial Group Inc | 0.01% | 101,510 | $12,232,971 | $18,316,464 | +$6,083,493 | +49.73% | |
| D. E. Shaw & Co., Inc. | 0.01% | 95,982 | $11,566,791 | $17,318,992 | +$5,752,201 | +49.73% | |
| Empowered Funds, Llc | 0.06% | 76,781 | $9,252,878 | $13,854,364 | +$4,601,486 | +49.73% | |
| Covalis Capital Llp | 0.52% | 69,667 | $8,395,570 | $12,570,713 | +$4,175,143 | +49.73% | |
| Ubs Group Ag | 0.00% | 69,508 | $8,376,410 | $12,542,024 | +$4,165,614 | +49.73% | |
| Millennium Management Llc | 0.01% | 63,320 | $7,630,693 | $11,425,461 | +$3,794,768 | +49.73% | |
| Sei Investments Co | 0.01% | 62,842 | $7,573,028 | $11,339,210 | +$3,766,182 | +49.73% | |
| Qube Research & Technologies Ltd | 0.01% | 57,859 | $6,972,588 | $10,440,078 | +$3,467,490 | +49.73% | |
| Public Sector Pension Investment Board | 0.02% | 57,443 | $6,922,456 | $10,365,015 | +$3,442,559 | +49.73% | |
| Victory Capital Management Inc | 0.00% | 57,290 | $6,904,018 | $10,337,408 | +$3,433,390 | +49.73% | |
| Panagora Asset Management Inc | 0.03% | 55,417 | $6,678,303 | $9,999,443 | +$3,321,140 | +49.73% | |
| Envestnet Asset Management Inc | 0.00% | 53,999 | $6,507,477 | $9,743,580 | +$3,236,103 | +49.73% | |
| Jane Street Group, Llc | 0.01% | 50,671 | $6,106,362 | $9,143,075 | +$3,036,713 | +49.73% | |
| Rhumbline Advisers | 0.00% | 48,254 | $5,815,067 | $8,706,952 | +$2,891,885 | +49.73% | |
| Icon Advisers Inc/Co | 1.29% | 46,482 | $5,601,546 | $8,387,212 | +$2,785,666 | +49.73% | |
| Great Lakes Advisors, Llc | 0.05% | 45,316 | $5,461,031 | $8,176,819 | +$2,715,788 | +49.73% | |
| 1492 Capital Management Llc | 1.99% | 43,461 | $5,237,485 | $7,842,103 | +$2,604,618 | +49.73% | |
| Allspring Global Investments Holdings, Llc | 0.01% | 39,736 | $5,205,813 | $7,169,964 | +$1,964,151 | +37.73% | |
| Trexquant Investment Lp | 0.04% | 43,088 | $5,192,535 | $7,774,799 | +$2,582,264 | +49.73% | |
| Ameriprise Financial Inc | 0.00% | 38,735 | $4,667,955 | $6,989,343 | +$2,321,388 | +49.73% | |
| Ubs Am, A Distinct Business Unit Of Ubs Asset Management Americas Llc | 0.00% | 37,306 | $4,495,748 | $6,731,495 | +$2,235,747 | +49.73% |
Frequently asked questions about KALU
Who owns the most KALU stock?
The largest holders of KALU are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for KAISER ALUMINUM CORP (KALU).
Is KALU widely held by superinvestors?
Many widely followed stocks like KALU appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly KALU is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.