Ranked by reported Q1 2026 13F market value
Share of total reported institutional value in KALU held by the largest 10 / 25 filers.
| # | Institution | Shares Held | Market Value | QoQ Change | Ownership % | % of Fund |
|---|---|---|---|---|---|---|
| 1 | BlackRock, Inc. | 2.8M | $342.6M | -5.1% | 17.538% | 0.01% |
| 2 | STATE STREET CORP | 1.3M | $160.6M | +38.0% | 8.223% | 0.01% |
| 3 | VANGUARD PORTFOLIO MANAGEMENT LLC | 1.3M | $157.7M | β | 8.073% | 0.01% |
| 4 | DIMENSIONAL FUND ADVISORS LP | 818K | $98.6M | -1.6% | 5.048% | 0.02% |
| 5 | NOMURA ASSET MANAGEMENT INTERNATIONAL INC. | 714K | $86.1M | -21.3% | 4.406% | 0.15% |
| 6 | VANGUARD CAPITAL MANAGEMENT LLC | 670K | $80.7M | β | 4.132% | 0.00% |
| 7 | BARROW HANLEY MEWHINNEY & STRAUSS LLC | 531K | $64.0M | -5.9% | 3.274% | 0.21% |
| 8 | AMERICAN CENTURY COMPANIES INC | 479K | $57.7M | -19.3% | 2.954% | 0.03% |
| 9 | GEODE CAPITAL MANAGEMENT, LLC | 404K | $48.7M | +2.7% | 2.492% | 0.00% |
| 10 | WELLINGTON MANAGEMENT GROUP LLP | 332K | $40.0M | -31.0% | 2.049% | 0.01% |
| 11 | Fisher Asset Management, LLC | 305K | $36.7M | +93.9% | 1.879% | 0.01% |
| 12 | CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 281K | $33.8M | -3.1% | 1.732% | 0.01% |
| 13 | Invesco Ltd. | 269K | $32.4M | +77.3% | 1.657% | 0.00% |
| 14 | ARROWSTREET CAPITAL, LIMITED PARTNERSHIP | 248K | $29.9M | -8.6% | 1.532% | 0.02% |
| 15 | SYSTEMATIC FINANCIAL MANAGEMENT LP | 243K | $29.3M | -5.9% | 1.499% | 0.67% |
| 16 | Bank of New York Mellon Corp | 197K | $23.7M | -0.8% | 1.213% | 0.00% |
| 17 | Tributary Capital Management, LLC | 176K | $21.2M | -24.3% | 1.087% | 2.06% |
| 18 | BRIGHTLINE CAPITAL MANAGEMENT, LLC | 175K | $21.1M | +4.2% | 1.080% | 6.24% |
| 19 | NORTHERN TRUST CORP | 175K | $21.0M | +2.6% | 1.077% | 0.00% |
| 20 | MORGAN STANLEY | 172K | $20.7M | -18.1% | 1.062% | 0.00% |
| 21 | BANK OF AMERICA CORP /DE/ | 171K | $20.7M | +0.9% | 1.057% | 0.00% |
| 22 | Nuveen, LLC | 164K | $19.8M | +222.6% | 1.012% | 0.01% |
| 23 | GOLDMAN SACHS GROUP INC | 154K | $18.6M | -14.3% | 0.950% | 0.00% |
| 24 | BRIDGEWAY CAPITAL MANAGEMENT, LLC | 131K | $15.8M | +4.7% | 0.810% | 0.32% |
| 25 | NFJ INVESTMENT GROUP, LLC | 123K | $14.9M | +0.0% | 0.761% | 0.56% |
denotes a marquee investor (Buffett, Burry, ARK, Tiger Global, Pershing Square, Baupost and other widely-followed managers). β% of Fundβ shows how much of that investorβs total 13F portfolio is invested in KALU β a direct measure of their conviction.
Filings activity in KALU during Q1 2026, grouped by how each filer changed its position.
Institutions that opened a new KALU position in Q1 2026
Institutions that fully closed their KALU position in Q1 2026
8 quarters of 13F filings Β· Ξ columns show change vs prior quarter
| Quarter | Inst. Holders | Ξ Holders | Ownership % | Ξ Ownership | Total 13F Value | Ξ Value |
|---|---|---|---|---|---|---|
| Q1 2026 | 279 | +6.1% | 60.07% | +2.44 pp | $1.86B | +4.2% |
| Q4 2025 | 263 | +29% | 57.63% | +18.82 pp | $1.78B | +48% |
| Q3 2025 | 204 | +5.7% | 38.81% | +0.08 pp | $1.20B | +0.2% |
| Q2 2025 | 193 | 5.4% | 38.73% | +9.79 pp | $1.20B | +34% |
| Q1 2025 | 204 | +1.5% | 28.94% | 5.39 pp | $894M | 16% |
| Q4 2024 | 201 | 1.5% | 34.33% | 1.08 pp | $1.06B | 3.1% |
| Q3 2024 | 204 | 7.3% | 35.41% | 9.32 pp | $1.09B | 21% |
| Q2 2024 | 220 | β | 44.73% | β | $1.38B | β |
Source: SEC 13F institutional filings. Ownership % requires market cap data and will show once linked. Ξ columns compare to the immediately prior filed quarter.
Quick answers to the most common questions about buying KALU stock.
Based on Q1 2026 13F filings, institutional ownership of Kaiser Aluminum Corporation stands at 60.1%, held across 279 reporting institutions.
BlackRock, Inc. is the largest reported institutional holder of KALU, with approximately 2,842,894 shares worth $0.34B as of Q1 2026.
Yes β 1 widely-followed marquee investor appear among the top 25 institutional holders of KALU, including Fisher Asset Management, LLC.
Our composite Smart Money Score for KALU is 61 out of 100 (Bullish). It combines net institutional buying activity, ownership shift, marquee investor presence, and holder-count growth.
57 institutions opened new positions in KALU during Q1 2026, while 41 fully exited. 150 added to existing positions and 71 trimmed.
KALU institutional ownership rose by 2.44 percentage points quarter-over-quarter, with a net change of +16 holders.
The top 10 institutions account for 61.2% of all reported 13F value in KALU, and the top 25 account for 80.6%.
All data is sourced from SEC Form 13F filings, which institutional investment managers with at least $100M in assets are required to file each quarter. We process every 13F filing from EDGAR and recompute the aggregates after each cycle. Insider transactions are sourced from Form 4 filings.
Kaiser Aluminum Corporation (KALU) Institutional Ownership