Security record · archived quarter
KALU
Kaiser Aluminum Corporation · Basic Materials · Aluminum
17Tracked holders
+2Δ holders
7.56MShares held
$603.89MReported value
+3New positions
−1Exits
Momentum inputs (comparable managers):
holder breadth +13.3% ·
share flow +5.4% ·
net new positions +11.8%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q2 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 108 | +11 | 12.00M | $2.35B | +18 | −7 |
| Q1 2026 | 100 | +7 | 11.63M | $1.40B | +10 | −4 |
| Q4 2025 | 94 | +4 | 12.96M | $1.49B | +5 | — |
| Q3 2025 | 17 | -2 | 7.93M | $612.26M | +1 | −4 |
| Q2 2025 | 17 | +2 | 7.56M | $603.89M | +3 | −1 |
| Q1 2025 | 12 | 0 | 2.02M | $122.49M | +1 | −1 |
| Q4 2024 | 12 | -2 | 2.04M | $143.26M | — | −2 |
| Q3 2024 | 13 | -1 | 1.00M | $72.59M | — | −1 |
| Q2 2024 | 14 | — | 966.70K | $84.98M | — | — |
Who holds it · Q2 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 3.04M | — | $242.60M | 0.0% | n/c | 1 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 3.04M | — | $242.60M | 0.0% | n/c | 1 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 3.04M | — | $242.60M | 0.0% | n/c | 1 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 3.04M | — | $242.60M | 0.0% | n/c | 1 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 3.04M | — | $242.60M | 0.0% | n/c | 1 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 3.04M | — | $242.60M | 0.0% | n/c | 1 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 3.04M | — | $242.60M | 0.0% | n/c | 1 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 3.04M | — | $242.60M | 0.0% | n/c | 1 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 3.04M | — | $242.60M | 0.0% | n/c | 1 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 3.04M | — | $242.60M | 0.0% | n/c | 1 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 3.04M | — | $242.60M | 0.0% | n/c | 1 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 3.04M | — | $242.60M | 0.0% | n/c | 1 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 3.04M | — | $242.60M | 0.0% | n/c | 1 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 3.04M | — | $242.60M | 0.0% | n/c | 1 | SEC ↗ |
| 15 | The Vanguard Group ✦ (passive) | 2.11M | — | $168.63M | 0.0% | n/c | 1 | SEC ↗ |
| 16 | The Vanguard Group ✦ (passive) | 2.11M | — | $168.63M | 0.0% | n/c | 1 | SEC ↗ |
| 17 | The Vanguard Group ✦ (passive) | 2.11M | — | $168.63M | 0.0% | n/c | 1 | SEC ↗ |
| 18 | The Vanguard Group ✦ (passive) | 2.11M | — | $168.63M | 0.0% | n/c | 1 | SEC ↗ |
| 19 | The Vanguard Group ✦ (passive) | 2.11M | — | $168.63M | 0.0% | n/c | 1 | SEC ↗ |
| 20 | State Street Global Advisors ✦ (passive) | 1.15M | +31.9% | $92.24M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 21 | Wellington Management ✦ | 496.82K | +9.4% | $39.70M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 22 | Wellington Management ✦ | 496.82K | +9.4% | $39.70M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 23 | Wellington Management ✦ | 496.82K | +9.4% | $39.70M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 24 | Wellington Management ✦ | 496.82K | +9.4% | $39.70M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 25 | Wellington Management ✦ | 496.82K | +9.4% | $39.70M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 26 | Wellington Management ✦ | 496.82K | +9.4% | $39.70M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 27 | Wellington Management ✦ | 496.82K | +9.4% | $39.70M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 28 | Geode Capital Management ✦ (passive) | 391.60K | +1.4% | $31.29M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 29 | Geode Capital Management ✦ (passive) | 391.60K | +1.4% | $31.29M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 30 | Fisher Asset Management ✦ | 147.47K | 0.0% | $11.78M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 31 | Renaissance Technologies ✦ | 48.30K | +127.8% | $3.86M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 32 | Citadel Advisors ✦ | 46.04K | +2333.6% | $3.68M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 33 | AQR Capital Management ✦ | 25.67K | +55.4% | $2.05M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 34 | AQR Capital Management ✦ | 25.67K | +55.4% | $2.05M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 35 | AQR Capital Management ✦ | 25.67K | +55.4% | $2.05M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 36 | AQR Capital Management ✦ | 25.67K | +55.4% | $2.05M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 37 | AQR Capital Management ✦ | 25.67K | +55.4% | $2.05M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 38 | Arrowstreet Capital ✦ | 24.07K | New | $1.92M | 0.0% | New | 1 | SEC ↗ |
| 39 | ARK Investment Management ✦ | 16.81K | +8.6% | $1.34M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 40 | Marshall Wace ✦ | 16.75K | New | $1.34M | 0.0% | New | 1 | SEC ↗ |
| 41 | Marshall Wace ✦ | 16.75K | New | $1.34M | 0.0% | New | 1 | SEC ↗ |
| 42 | T. Rowe Price ✦ | 13.59K | +6.9% | $1.09M | 0.0% | ▲ Add | 5 | SEC ↗ |
| 43 | D. E. Shaw & Co. ✦ | 12.21K | -78.3% | $975,180 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 44 | GAMCO Investors ✦ | 11.09K | New | $886,091 | 0.0% | New | 1 | SEC ↗ |
| 45 | Norges Bank ✦ (passive) | 5.39K | -78.7% | $430,821 | 0.0% | ▼ Trim | 5 | SEC ↗ |
| 46 | Fidelity (FMR) ✦ | 985 | — | $78,699 | 0.0% | n/c | 1 | SEC ↗ |
| 47 | Fidelity (FMR) ✦ | 985 | — | $78,699 | 0.0% | n/c | 1 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Arrowstreet Capital | $1.92M | 0.0% |
| Marshall Wace | $1.34M | 0.0% |
| Marshall Wace | $1.34M | 0.0% |
| GAMCO Investors | $886,091 | 0.0% |
Exited
| Two Sigma Investments | $502,479 | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 283 holders, 15.83M shares, $1.86B reported. This is a different, older period than the tracked-universe figures above and the two are never mixed.
Frequently co-owned
What else this security's tracked holders most often hold — shared-ownership counts, not fundamental relationships.
Provenance: Ownership from parsed 13F common-stock positions (tracked universe, comparable sets for changes); insider rows from Forms 3/4/5; stakes from Schedules 13D/13G; every filing links to its original on SEC EDGAR.
Reporting period: Q2 2025 ·
Methodology ·
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