KAISER ALUMINUM CORP (KALU) 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 June 30, 2026. The institutional investors covered on this page collectively reported approximately $3.14B 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 $561.57M in its June 30, 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 $445.17M, representing an estimated loss of -20.73% since the filing period.
The top 10 institutional shareholders tracked on this page collectively account for approximately 59% of the total disclosed KALU value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Vanguard Portfolio Management Llc, State Street Corp, 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
326
Total Reported Value
$3.14B
Largest Holder
Blackrock, Inc.
Largest Position
$561.57M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
70
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% | 2,870,588 | $561,573,198 | $445,170,787 | -$116,402,411 | -20.73% | |
| Vanguard Portfolio Management Llc | 0.01% | 1,413,170 | $276,458,447 | $219,154,404 | -$57,304,043 | -20.73% | |
| State Street Corp | 0.01% | 1,317,519 | $257,734,935 | $204,320,847 | -$53,414,088 | -20.72% | |
| Dimensional Fund Advisors Lp | 0.03% | 775,944 | $151,786,589 | $120,333,396 | -$31,453,193 | -20.72% | |
| Vanguard Capital Management Llc | 0.00% | 707,161 | $138,341,906 | $109,666,528 | -$28,675,378 | -20.73% | |
| Nomura Asset Management International Inc. | 0.20% | 679,387 | $132,908,000 | $105,359,336 | -$27,548,664 | -20.73% | |
| Geode Capital Management, Llc | 0.00% | 471,735 | $92,301,654 | $73,156,664 | -$19,144,990 | -20.74% | |
| American Century Companies Inc | 0.04% | 439,923 | $86,062,187 | $68,223,259 | -$17,838,928 | -20.73% | |
| Barrow Hanley Mewhinney & Strauss Llc | 0.25% | 419,050 | $81,978,751 | $64,986,274 | -$16,992,477 | -20.73% | |
| Fisher Asset Management, Llc | 0.02% | 352,761 | $69,010,632 | $54,706,176 | -$14,304,456 | -20.73% | |
| Charles Schwab Investment Management Inc | 0.01% | 259,873 | $50,838,955 | $40,301,105 | -$10,537,850 | -20.73% | |
| Invesco Ltd. | 0.00% | 256,161 | $50,112,776 | $39,725,448 | -$10,387,328 | -20.73% | |
| Systematic Financial Management Lp | 0.91% | 232,240 | $45,433,394 | $36,015,779 | -$9,417,615 | -20.73% | |
| Goldman Sachs Group Inc | 0.00% | 227,467 | $44,499,369 | $35,275,582 | -$9,223,787 | -20.73% | |
| Bank Of New York Mellon Corp | 0.01% | 196,048 | $38,352,889 | $30,403,124 | -$7,949,765 | -20.73% | |
| Morgan Stanley | 0.00% | 194,659 | $38,081,209 | $30,187,718 | -$7,893,491 | -20.73% | |
| Northern Trust Corp | 0.00% | 185,992 | $36,385,615 | $28,843,639 | -$7,541,976 | -20.73% | |
| Wellington Management Group Llp | 0.01% | 178,672 | $34,953,604 | $27,708,454 | -$7,245,150 | -20.73% | |
| Nuveen, Llc | 0.01% | 173,822 | $34,004,636 | $26,956,316 | -$7,048,320 | -20.73% | |
| Bank Of America Corp | 0.00% | 170,173 | $33,290,944 | $26,390,429 | -$6,900,515 | -20.73% | |
| Westfield Capital Management Co Lp | 0.10% | 163,465 | $31,978,658 | $25,350,152 | -$6,628,506 | -20.73% | |
| Two Sigma Investments, Lp | 0.02% | 156,166 | $30,550,755 | $24,218,223 | -$6,332,532 | -20.73% | |
| First Eagle U.S. Value | Jean-Marie Eveillard | 0.04% | 138,431 | $27,081,256 | $21,467,879 | -$5,613,377 | -20.73% |
| Algert Global Llc | 0.29% | 125,576 | $24,566,433 | $19,474,326 | -$5,092,107 | -20.73% | |
| Panagora Asset Management Inc | 0.07% | 124,915 | $24,437,121 | $19,371,818 | -$5,065,303 | -20.73% | |
| Vanguard Fiduciary Trust Co | 0.00% | 115,624 | $22,619,523 | $17,930,970 | -$4,688,553 | -20.73% | |
| Bessemer Group Inc | 0.03% | 109,463 | $21,413,000 | $16,975,522 | -$4,437,478 | -20.72% | |
| Jane Street Group, Llc | 0.01% | 108,370 | $21,200,423 | $16,806,020 | -$4,394,403 | -20.73% | |
| Principal Financial Group Inc | 0.01% | 105,510 | $20,640,922 | $16,362,491 | -$4,278,431 | -20.73% | |
| Mackenzie Financial Corp | 0.02% | 100,812 | $19,721,852 | $15,633,925 | -$4,087,927 | -20.73% | |
| Bridgeway Capital Management, Llc | 0.35% | 100,434 | $19,647,903 | $15,575,305 | -$4,072,598 | -20.73% | |
| D. E. Shaw & Co., Inc. | 0.01% | 100,368 | $19,634,992 | $15,565,069 | -$4,069,923 | -20.73% | |
| First Trust Advisors Lp | 0.01% | 91,215 | $17,844,390 | $14,145,622 | -$3,698,768 | -20.73% | |
| Acadian Asset Management Llc | 0.02% | 88,064 | $17,211,000 | $13,656,965 | -$3,554,035 | -20.65% | |
| Victory Capital Management Inc | 0.01% | 86,838 | $16,988,118 | $13,466,837 | -$3,521,281 | -20.73% | |
| Canada Life Assurance Co | 0.03% | 84,882 | $16,607,000 | $13,163,501 | -$3,443,499 | -20.74% | |
| Trexquant Investment Lp | 0.10% | 81,259 | $15,896,698 | $12,601,646 | -$3,295,052 | -20.73% | |
| Hotchkis & Wiley Capital Management Llc | 0.04% | 76,830 | $15,030,253 | $11,914,796 | -$3,115,457 | -20.73% | |
| Tributary Capital Management, Llc | 1.22% | 75,731 | $14,815,256 | $11,744,363 | -$3,070,893 | -20.73% | |
| Winslow Asset Management Inc | 2.44% | 71,827 | $14,051,000 | $11,138,931 | -$2,912,069 | -20.72% | |
| Prudential Financial Inc | 0.01% | 66,075 | $12,926,252 | $10,246,911 | -$2,679,341 | -20.73% | |
| Arrowstreet Capital, Limited Partnership | 0.01% | 64,176 | $12,554,751 | $9,952,414 | -$2,602,337 | -20.73% | |
| Hrt Financial Lp | 0.02% | 61,202 | $11,972,000 | $9,491,206 | -$2,480,794 | -20.72% | |
| Healthcare Of Ontario Pension Plan Trust Fund | 0.02% | 58,296 | $11,404,446 | $9,040,544 | -$2,363,902 | -20.73% | |
| Public Sector Pension Investment Board | 0.03% | 55,592 | $10,875,463 | $8,621,207 | -$2,254,256 | -20.73% | |
| Assenagon Asset Management S.A. | 0.01% | 54,484 | $10,658,705 | $8,449,379 | -$2,209,326 | -20.73% | |
| Hennessy Advisors Inc | 0.34% | 54,400 | $10,642,272 | $8,436,352 | -$2,205,920 | -20.73% | |
| Ubs Group Ag | 0.00% | 53,035 | $10,375,238 | $8,224,668 | -$2,150,570 | -20.73% | |
| Empowered Funds, Llc | 0.05% | 52,900 | $10,348,827 | $8,203,732 | -$2,145,095 | -20.73% | |
| Norges Bank | 0.00% | 46,500 | $9,096,795 | $7,211,220 | -$1,885,575 | -20.73% |
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.