KALU Institutional Ownership
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.
- ▲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 holding and ownership
8 quartersQuarter over quarter
all 13F filers| Q2 2026 | This quarter | Q1 2026 | Change |
|---|---|---|---|
| Funds holding | 336 | 287 | +17.1% |
| In funds' top 10 | 2 | 1 | +100.0% |
| 13F shares | 16.6M | 15.9M | +4.5% |
| Held by funds | 101.7% | 97.3% | +4.3 pts |
| New positions | 79 | 52 | +51.9% |
| Increased | 114 | 92 | +23.9% |
| Reduced | 100 | 97 | +3.1% |
| Sold out | 29 | 31 | −6.5% |
| Calls (shares) | 4,800 | 0 | – |
| Puts (shares) | 1,300 | 0 | – |
| Put/call ratio | 0.27 | – | – |
Buyers vs sellers
adding or new vs cutting or sold outSuperinvestors 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 outAbove 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- Assenagon Asset Management S.A.Trimmed−95K sh
- Mackenzie Financial CorpTrimmed−38K sh
- Y-Intercept (Hong Kong) LtdAdded+18K sh
- Tributary Capital Management, LLCTrimmed−14K sh
- Pvg Asset Management CorpSold out−8,374 sh
🔒 Free account: see all 20.
Top holders
Q2 2026| # | Fund | Of company | Shares | Value | Change |
|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 17.56% | 2.9M | $562M | +28K |
| 2 | Vanguard Portfolio Management LLC | 8.64% | 1.4M | $276M | +104K |
| 3 | State Street Corp | 8.06% | 1.3M | $258M | −15K |
| 4 | Dimensional Fund Advisors LP | 4.75% | 776K | $152M | −42K |
| 5 | Vanguard Capital Management LLC | 4.33% | 707K | $138M | +37K |
| 6 | Nomura Asset Management International Inc. | 4.16% | 679K | $133M | −35K |
| 7 | Geode Capital Management, LLC | 2.89% | 472K | $92.3M | +68K |
| 8 | American Century Companies Inc | 2.69% | 440K | $86.1M | −39K |
| 9 | Barrow Hanley Mewhinney & Strauss LLC | 2.56% | 419K | $82M | −112K |
| 10 | Fisher Asset Management, LLC | 2.16% | 353K | $69M | +48K |
- Franklin Resources Inc+266K sh+$52M
- First Eagle Investment Management, LLC+166K sh+$32.5M
- Westfield Capital Management Co LP+163K sh+$32M
- Assenagon Asset Management S.A.+109K sh+$21.3M
- Vanguard Portfolio Management LLC+104K sh+$20.4M
- Bessemer Group Inc+80K sh+$15.6M
- Acadian Asset Management LLC+79K sh+$15.5M
- Goldman Sachs Group Inc+73K sh+$14.4M
- Arrowstreet Capital, Limited Partnership−184K sh−$36M
- Wellington Management Group LLP−153K sh−$30M
- Barrow Hanley Mewhinney & Strauss LLC−112K sh−$21.8M
- Brightline Capital Management, LLC−175K sh−$21.1M
- Tributary Capital Management, LLC−101K sh−$19.7M
- Nfj Investment Group, LLC−77K sh−$15.1M
- Qube Research & Technologies Ltd−51K sh−$10.1M
- Covalis Capital LLP−70K sh−$8.4M
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.




