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Kaiser Aluminum Corp · 13F filings

KALU Institutional Ownership

Holdings as of Jun 30, 2026From SEC Form 13FUpdated

Who owns Kaiser Aluminum Corp and what the big funds did with it last quarter, from every SEC 13F filing. 336 funds reported holding KALU at Jun 30, 2026, together owning 101.7% of the company.

← KALU stock page

Fund sentiment
Bullish
Strongly bearishNeutralStrongly bullish
  • ▲193 buying vs 129 selling
  • ▲Held by funds +4.3 pts
  • ▲Funds holding +49
  • ▼Superinvestors: 0 added, 5 cut
  • ●Put/call not meaningful

What the filings show, not a forecast. Positions can be up to 45 days old and leave out short sales.

Funds holding336+49 vs Q1 2026
Held by funds101.7%+4.3 pts
Value held$3.2B16.6M shares
Put/call ratio0.27market makers left out

Funds holding and ownership

8 quarters
Q3 2024: 211 fundsQ3 '24Q4 2024: 209 fundsQ4 '24Q1 2025: 208 fundsQ1 '25Q2 2025: 198 fundsQ2 '25Q3 2025: 212 fundsQ3 '25Q4 2025: 266 fundsQ4 '25Q1 2026: 287 fundsQ1 '26Q2 2026: 336 fundsQ2 '26101.7% owned
Funds holdingHeld by funds %

Quarter over quarter

all 13F filers
Q2 2026This quarterQ1 2026Change
Funds holding336287+17.1%
In funds' top 1021+100.0%
13F shares16.6M15.9M+4.5%
Held by funds101.7%97.3%+4.3 pts
New positions7952+51.9%
Increased11492+23.9%
Reduced10097+3.1%
Sold out2931−6.5%
Calls (shares)4,8000–
Puts (shares)1,3000–
Put/call ratio0.27––

Buyers vs sellers

adding or new vs cutting or sold out
Q4 2024: 105 buyingQ4 2024: 101 sellingQ4 '24Q1 2025: 98 buyingQ1 2025: 103 sellingQ1 '25Q2 2025: 113 buyingQ2 2025: 98 sellingQ2 '25Q3 2025: 102 buyingQ3 2025: 101 sellingQ3 '25Q4 2025: 157 buyingQ4 2025: 95 sellingQ4 '25Q1 2026: 144 buyingQ1 2026: 128 sellingQ1 '26Q2 2026: 193 buyingQ2 2026: 129 sellingQ2 '26
Buying 193Selling 129latest quarter

Superinvestors in KALU

All superinvestors →

Who owns KALU

share of fund held shares
  • Index and passive funds51.3%
  • Active managers and hedge funds34.3%
  • Banks and brokers12.1%
  • Pensions, insurers and other2.3%

The top 10 holders own 56.8% of all KALU shares that funds reported. Groups are our own grouping of filers by name.

Put/call ratio

funds' options, market makers left out
1.00Q2 2025: 42.00Q2 '25Q3 2025: 14.00Q3 '25Q2 2026: 0.27Q2 '260.27

Above 1 means funds hold more puts than calls, a sign of hedging or bets on a fall. Options are valued at the underlying shares.

Filed so far for Q3 2026

86 funds changed their position

🔒 Free account: see all 20.

Top holders

Q2 2026
#FundOf companySharesValueChange
1BlackRock, Inc.17.56%2.9M$562M+28K
2Vanguard Portfolio Management LLC8.64%1.4M$276M+104K
3State Street Corp8.06%1.3M$258M−15K
4Dimensional Fund Advisors LP4.75%776K$152M−42K
5Vanguard Capital Management LLC4.33%707K$138M+37K
6Nomura Asset Management International Inc.4.16%679K$133M−35K
7Geode Capital Management, LLC2.89%472K$92.3M+68K
8American Century Companies Inc2.69%440K$86.1M−39K
9Barrow Hanley Mewhinney & Strauss LLC2.56%419K$82M−112K
10Fisher Asset Management, LLC2.16%353K$69M+48K
🔒 15 more top holders. Create a free account or sign in to see them.

KALU institutional ownership FAQ

Who owns the most KALU stock?

In Q2 2026 13F filings the largest holder of KALU was BlackRock, Inc., followed by Vanguard Portfolio Management LLC and State Street Corp. Index fund managers are usually the biggest holders of large companies.

What percentage of KALU is owned by institutions?

Funds that file 13F reports held 101.7% of KALU's shares at Jun 30, 2026, compared with 97.3% a quarter earlier. That counts every manager with more than $100 million in US stocks.

Are hedge funds buying KALU?

In Q2 2026, 193 funds bought KALU (79 of them new positions) and 129 sold (29 sold out completely). Among well known investors, 0 added and 5 cut. Our fund sentiment for KALU is bullish.

What is KALU's institutional put/call ratio?

Funds reported $254K of KALU puts against $939K of calls, a put/call ratio of 0.27. Market makers and bank trading desks are left out, since their options are mostly hedges.

How current is this KALU ownership data?

13F filings show holdings at the end of each quarter and are due within 45 days, so positions can be up to six weeks old when they appear. We add each new filing within minutes, and the "filed so far" list shows funds that have already reported the next quarter.

For informational and educational purposes only. Not investment advice, and not a recommendation to buy or sell any security. Fund sentiment summarises what 13F filings show and is not a forecast. Holdings come from SEC Form 13F filings as reported and show positions at the end of the quarter, up to 45 days before the filing. A 13F leaves out short positions, cash, bonds and most foreign holdings. See all hedge fund holdings.