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Kaiser Aluminum Corp

KALU
Exchange
Nasdaq
Industry
Rolling Drawing & Extruding of Nonferrous Metals
SEC CIK
0000811596

No open-market purchases or sales by Kaiser Aluminum Corp insiders were filed in the last 90 days; 335 institutions reported holding it in 13F filings for Q2 2026, worth $3.21B in total; ARK Invest is the only superinvestor holding it.

13F holders, Q1 2026

Institutional positions in Kaiser Aluminum Corp as of Mar 31, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
288
+29 vs. Q4 2025
Shares held
15.9M
+2.25M (+16.5%) vs. Q4 2025
Total value
$1.92B
+$348.8M (+22.2%) vs. Q4 2025
New holders
59
94 more added
Sold out
30
97 more reduced

7 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting KALU on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ1 2026: 288 institutions
Q1 2021: 176 institutionsQ2 2021: 189 institutionsQ3 2021: 180 institutionsQ4 2021: 191 institutionsQ1 2022: 187 institutionsQ2 2022: 184 institutionsQ3 2022: 168 institutionsQ4 2022: 183 institutionsQ1 2023: 171 institutionsQ2 2023: 161 institutionsQ3 2023: 157 institutionsQ4 2023: 162 institutionsQ1 2024: 192 institutionsQ2 2024: 224 institutionsQ3 2024: 211 institutionsQ4 2024: 206 institutionsQ1 2025: 206 institutionsQ2 2025: 199 institutionsQ3 2025: 212 institutionsQ4 2025: 266 institutionsQ1 2026: 288 institutionsQ2 2026: 335 institutions
Value heldQ1 2026: $1.92B
Q1 2021: $1.73BQ2 2021: $1.95BQ3 2021: $1.69BQ4 2021: $1.46BQ1 2022: $1.48BQ2 2022: $1.26BQ3 2022: $1.02BQ4 2022: $1.21BQ1 2023: $1.21BQ2 2023: $1.17BQ3 2023: $1.22BQ4 2023: $1.13BQ1 2024: $1.41BQ2 2024: $1.42BQ3 2024: $1.13BQ4 2024: $1.09BQ1 2025: $914.2MQ2 2025: $1.23BQ3 2025: $1.18BQ4 2025: $1.82BQ1 2026: $1.92BQ2 2026: $3.21B
Institutions holding KALU and their total value by quarter
QuarterHoldersValue
Q2 2026335$3.21B
Q1 2026288$1.92B
Q4 2025266$1.82B
Q3 2025212$1.18B
Q2 2025199$1.23B
Q1 2025206$914.2M
Q4 2024206$1.09B
Q3 2024211$1.13B
Q2 2024224$1.42B
Q1 2024192$1.41B
Q4 2023162$1.13B
Q3 2023157$1.22B
Q2 2023161$1.17B
Q1 2023171$1.21B
Q4 2022183$1.21B
Q3 2022168$1.02B
Q2 2022184$1.26B
Q1 2022187$1.48B
Q4 2021191$1.46B
Q3 2021180$1.69B
Q2 2021189$1.95B
Q1 2021176$1.73B

Institutions, Q1 2026

Shares, value and share of portfolio for each institution holding Kaiser Aluminum Corp; share changes are against Q4 2025.

Institutions holding KALU in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Asset Management, Ltd14,507$1.75M0.00%+14,507New
Deprince Race & Zollo Inc14,742$1.78M0.03%−32,494−68.8%Reduced
Y-Intercept (Hong Kong) Ltd14,813$1.79M0.03%+14,813New
Voya Investment Management LLC15,159$1.83M0.00%−1,633−9.7%Reduced
Man Group plc16,491$1.99M0.00%+1,434+9.5%Added
Universal- Beteiligungs- und Servicegesellschaft mbH16,691$2.01M0.00%−7,152−30.0%Reduced
Teacher Retirement System of Texas16,794$2.02M0.01%+6,894+69.6%Added
LPL Financial LLC17,103$2.06M0.00%+532+3.2%Added
Numerai GP LLC17,706$2.13M0.21%+11,389+180.3%Added
Alliancebernstein L.P.18,769$2.16M0.00%+300+1.6%Added
Cambridge Investment Research Advisors, Inc.18,030$2.17M0.01%+7,599+72.9%Added
Thrivent Financial for Lutherans18,078$2.18M0.00%−316−1.7%Reduced
Price T Rowe Associates Inc18,613$2.24M0.00%+2,901+18.5%Added
Harvest Investment Advisors, LLC18,870$2.27M1.27%−1,499−7.4%Reduced
Prudential Financial Inc19,240$2.32M0.00%−7,845−29.0%Reduced
California State Teachers Retirement System20,630$2.49M0.00%+4,327+26.5%Added
First Trust Advisors LP21,033$2.53M0.00%−17,519−45.4%Reduced
Oliver Luxxe Assets LLC21,537$2.60M0.39%+21,537New
Royal Bank of Canada23,714$2.86M0.00%+11,769+98.5%Added
Mirabella Financial Services LLP25,213$3.04M0.29%+25,213New
Point72 Asset Management, L.P.26,194$3.16M0.01%−3,642−12.2%Reduced
AQR Capital Management LLC27,887$3.36M0.00%+8,245+42.0%Added
Wells Fargo & Company28,062$3.38M0.00%−16,800−37.4%Reduced
Russell Investments Group, Ltd.28,181$3.40M0.00%−22,226−44.1%Reduced
Third Avenue Management LLC29,881$3.60M0.58%−55,482−65.0%Reduced
Bessemer Group Inc29,915$3.60M0.01%−54−0.2%Reduced
JPMorgan Chase & Co32,302$3.70M0.00%−14,243−30.6%Reduced
Susquehanna International Group, LLP31,431$3.79M0.00%−9,910−24.0%Reduced
PDT Partners, LLC31,788$3.83M0.23%00.0%Unchanged
Swiss National Bank31,900$3.84M0.00%00.0%Unchanged
Mackenzie Financial Corp32,605$3.93M0.00%+15,401+89.5%Added
BNP Paribas Arbitrage, SA33,745$4.07M0.00%+7,679+29.5%Added
Renaissance Technologies LLC33,814$4.07M0.01%+26,514+363.2%Added
Gabelli Funds LLC35,093$4.23M0.03%−3,745−9.6%Reduced
Legal & General Group Plc35,376$4.26M0.00%−3,911−10.0%Reduced
UBS Asset Management Americas Inc37,306$4.50M0.00%+303+0.8%Added
Ameriprise Financial Inc38,735$4.67M0.00%−8,563−18.1%Reduced
Trexquant Investment LP43,088$5.19M0.04%+43,088New
Allspring Global Investments Holdings, LLC39,736$5.21M0.01%−1,976−4.7%Reduced
1492 Capital Management LLC43,461$5.24M1.99%+4,518+11.6%Added
Great Lakes Advisors, LLC45,316$5.46M0.05%−48−0.1%Reduced
Icon Advisers Inc46,482$5.60M1.29%−20,000−30.1%Reduced
Rhumbline Advisers48,254$5.82M0.00%+688+1.4%Added
Jane Street Group, LLC50,671$6.11M0.01%+699+1.4%Added
Envestnet Asset Management Inc53,999$6.51M0.00%−9,492−15.0%Reduced
Panagora Asset Management Inc55,417$6.68M0.03%+26,370+90.8%Added
Victory Capital Management Inc57,290$6.90M0.00%+47,394+478.9%Added
Public Sector Pension Investment Board57,443$6.92M0.02%+1,855+3.3%Added
Qube Research & Technologies Ltd57,859$6.97M0.01%+57,859New
SEI Investments Co62,842$7.57M0.01%+23,373+59.2%Added
Millennium Management LLC63,320$7.63M0.01%+24,451+62.9%Added
UBS Group AG69,508$8.38M0.00%+13,567+24.3%Added
Covalis Capital LLP69,667$8.40M0.52%+69,667New
Winslow Asset Management Inc74,003$8.92M1.73%−1,786−2.4%Reduced
Empowered Funds, LLC76,781$9.25M0.06%+76,781New
Algert Global LLC83,748$10.1M0.15%+15,740+23.1%Added
D. E. Shaw & Co., Inc.95,982$11.6M0.01%+32,983+52.4%Added
Principal Financial Group Inc101,510$12.2M0.01%+24,853+32.4%Added
Vanguard Fiduciary Trust Co107,183$12.9M0.00%+107,183New
Hotchkis & Wiley Capital Management LLC109,830$13.2M0.04%−39,640−26.5%Reduced
First Eagle Investment Management, LLC110,761$13.3M0.02%−36,154−24.6%Reduced
Great West Life Assurance Co112,506$13.6M0.02%+68,139+153.6%Added
Two Sigma Investments, LP120,631$14.5M0.01%+120,631New
NFJ Investment Group, LLC123,381$14.9M0.57%+450.0%Added
Bridgeway Capital Management, LLC131,315$15.8M0.32%+5,929+4.7%Added
Goldman Sachs Group Inc153,986$18.6M0.00%−25,795−14.3%Reduced
Nuveen, LLC164,117$19.8M0.01%+113,246+222.6%Added
Bank of America Corp171,369$20.7M0.00%+1,508+0.9%Added
Morgan Stanley172,162$20.7M0.00%−38,020−18.1%Reduced
Northern Trust Corp174,561$21.0M0.00%+4,457+2.6%Added
Brightline Capital Management, LLC175,000$21.1M6.24%+7,000+4.2%Added
Tributary Capital Management, LLC176,234$21.2M2.06%−56,646−24.3%Reduced
Bank of New York Mellon Corp196,686$23.7M0.00%−1,668−0.8%Reduced
Systematic Financial Management LP242,995$29.3M0.67%−15,215−5.9%Reduced
Arrowstreet Capital, Limited Partnership248,409$29.9M0.02%−23,340−8.6%Reduced
Invesco Ltd.268,577$32.4M0.00%+117,066+77.3%Added
Charles Schwab Investment Management Inc280,755$33.8M0.01%−9,023−3.1%Reduced
Fisher Asset Management, LLC304,507$36.7M0.01%+147,429+93.9%Added
Wellington Management Group LLP332,112$40.0M0.01%−149,490−31.0%Reduced
Geode Capital Management, LLC403,997$48.7M0.00%+10,468+2.7%Added
American Century Companies Inc478,796$57.7M0.03%−114,290−19.3%Reduced
Barrow Hanley Mewhinney & Strauss LLC530,671$64.0M0.21%−33,547−5.9%Reduced
Vanguard Capital Management LLC669,768$80.7M0.00%+669,768New
Nomura Asset Management International Inc.714,176$86.1M0.15%−193,802−21.3%Reduced
Dimensional Fund Advisors LP818,314$98.6M0.02%−13,338−1.6%Reduced
Vanguard Portfolio Management LLC1,308,750$157.7M0.01%+1,308,750New
State Street Corp1,332,923$160.6M0.01%+366,775+38.0%Added
BlackRock, Inc.2,842,894$342.6M0.01%−154,297−5.1%Reduced
Hillsdale Investment Management Inc.0$00.00%−47,100−100.0%Sold out
EAM Investors, LLC0$00.00%−43,017−100.0%Sold out
Marshall Wace, LLP0$00.00%−34,225−100.0%Sold out
Jackson Creek Investment Advisors LLC0$00.00%−23,860−100.0%Sold out
Verition Fund Management LLC0$00.00%−13,440−100.0%Sold out
Bright Futures Wealth Management, LLC.0$00.00%−11,733−100.0%Sold out
Guggenheim Capital LLC0$00.00%−7,008−100.0%Sold out
Versor Investments LP0$00.00%−6,734−100.0%Sold out
Mangrove Partners0$00.00%−5,269−100.0%Sold out
Dakota Wealth Management0$00.00%−4,872−100.0%Sold out
Janney Montgomery Scott LLC0$00.00%−4,470−100.0%Sold out
Legato Capital Management LLC0$00.00%−4,266−100.0%Sold out