Security record · archived quarter
CSTM
Constellium SE · Basic Materials · Aluminum
17Tracked holders
-1Δ holders
56.48MShares held
$840.42MReported value
+0New positions
−2Exits
Momentum inputs (comparable managers):
holder breadth -5.6% ·
share flow +5.1% ·
net new positions -11.8%
— formula
Concentrated accumulation — rising shares among fewer holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q3 2025
Ownership over time
| Quarter | Holders | Δ | Shares | Reported value | New | Exits |
|---|---|---|---|---|---|---|
| Q2 2026 | 121 | +16 | 73.58M | $2.32B | +18 | −1 |
| Q1 2026 | 107 | +9 | 74.07M | $1.80B | +16 | −7 |
| Q4 2025 | 98 | +2 | 74.01M | $1.40B | +3 | −1 |
| Q3 2025 | 17 | -1 | 56.48M | $840.42M | — | −2 |
| Q2 2025 | 16 | -1 | 45.31M | $602.65M | — | −1 |
| Q1 2025 | 14 | +1 | 14.04M | $141.64M | +1 | — |
| Q4 2024 | 13 | +1 | 11.63M | $119.45M | +2 | −1 |
| Q3 2024 | 11 | 0 | 8.19M | $133.25M | +1 | −1 |
| Q2 2024 | 11 | — | 7.79M | $146.77M | — | — |
Who holds it · Q3 2025
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 14.02M | +1.2% | $208.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 14.02M | +1.2% | $208.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 14.02M | +1.2% | $208.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 14.02M | +1.2% | $208.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 14.02M | +1.2% | $208.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 14.02M | +1.2% | $208.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 14.02M | +1.2% | $208.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 14.02M | +1.2% | $208.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 14.02M | +1.2% | $208.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 14.02M | +1.2% | $208.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 14.02M | +1.2% | $208.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 14.02M | +1.2% | $208.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 14.02M | +1.2% | $208.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 14.02M | +1.2% | $208.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 14.02M | +1.2% | $208.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 14.02M | +1.2% | $208.61M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 17 | Fidelity (FMR) ✦ | 13.52M | -2.1% | $201.15M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 18 | Fidelity (FMR) ✦ | 13.52M | -2.1% | $201.15M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 19 | Fidelity (FMR) ✦ | 13.52M | -2.1% | $201.15M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 20 | Millennium Management ✦ | 6.94M | +35.4% | $103.20M | 0.1% | ▲ Add | 6 | SEC ↗ |
| 21 | JPMorgan Chase ✦ | 4.82M | — | $71.65M | 0.0% | n/c | 1 | SEC ↗ |
| 22 | JPMorgan Chase ✦ | 4.82M | — | $71.65M | 0.0% | n/c | 1 | SEC ↗ |
| 23 | JPMorgan Chase ✦ | 4.82M | — | $71.65M | 0.0% | n/c | 1 | SEC ↗ |
| 24 | JPMorgan Chase ✦ | 4.82M | — | $71.65M | 0.0% | n/c | 1 | SEC ↗ |
| 25 | JPMorgan Chase ✦ | 4.82M | — | $71.65M | 0.0% | n/c | 1 | SEC ↗ |
| 26 | JPMorgan Chase ✦ | 4.82M | — | $71.65M | 0.0% | n/c | 1 | SEC ↗ |
| 27 | JPMorgan Chase ✦ | 4.82M | — | $71.65M | 0.0% | n/c | 1 | SEC ↗ |
| 28 | JPMorgan Chase ✦ | 4.82M | — | $71.65M | 0.0% | n/c | 1 | SEC ↗ |
| 29 | JPMorgan Chase ✦ | 4.82M | — | $71.65M | 0.0% | n/c | 1 | SEC ↗ |
| 30 | JPMorgan Chase ✦ | 4.82M | — | $71.65M | 0.0% | n/c | 1 | SEC ↗ |
| 31 | JPMorgan Chase ✦ | 4.82M | — | $71.65M | 0.0% | n/c | 1 | SEC ↗ |
| 32 | JPMorgan Chase ✦ | 4.82M | — | $71.65M | 0.0% | n/c | 1 | SEC ↗ |
| 33 | The Vanguard Group ✦ (passive) | 3.30M | +39.7% | $49.09M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 34 | The Vanguard Group ✦ (passive) | 3.30M | +39.7% | $49.09M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 35 | The Vanguard Group ✦ (passive) | 3.30M | +39.7% | $49.09M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 36 | The Vanguard Group ✦ (passive) | 3.30M | +39.7% | $49.09M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 37 | The Vanguard Group ✦ (passive) | 3.30M | +39.7% | $49.09M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 38 | State Street Global Advisors ✦ (passive) | 2.57M | +2.6% | $38.21M | 0.0% | ▲ Add | 4 | SEC ↗ |
| 39 | Morgan Stanley ✦ | 2.51M | — | $37.37M | 0.0% | n/c | 1 | SEC ↗ |
| 40 | Morgan Stanley ✦ | 2.51M | — | $37.37M | 0.0% | n/c | 1 | SEC ↗ |
| 41 | Morgan Stanley ✦ | 2.51M | — | $37.37M | 0.0% | n/c | 1 | SEC ↗ |
| 42 | Morgan Stanley ✦ | 2.51M | — | $37.37M | 0.0% | n/c | 1 | SEC ↗ |
| 43 | Morgan Stanley ✦ | 2.51M | — | $37.37M | 0.0% | n/c | 1 | SEC ↗ |
| 44 | Morgan Stanley ✦ | 2.51M | — | $37.37M | 0.0% | n/c | 1 | SEC ↗ |
| 45 | D. E. Shaw & Co. ✦ | 2.45M | +7.5% | $36.47M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 46 | D. E. Shaw & Co. ✦ | 2.45M | +7.5% | $36.47M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 47 | Geode Capital Management ✦ (passive) | 1.71M | -1.3% | $25.41M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 48 | Geode Capital Management ✦ (passive) | 1.71M | -1.3% | $25.41M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 49 | AQR Capital Management ✦ | 1.28M | +233.6% | $19.02M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 50 | AQR Capital Management ✦ | 1.28M | +233.6% | $19.02M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 51 | AQR Capital Management ✦ | 1.28M | +233.6% | $19.02M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 52 | AQR Capital Management ✦ | 1.28M | +233.6% | $19.02M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 53 | AQR Capital Management ✦ | 1.28M | +233.6% | $19.02M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 54 | Goldman Sachs Group ✦ | 1.21M | — | $17.97M | 0.0% | n/c | 1 | SEC ↗ |
| 55 | Goldman Sachs Group ✦ | 1.21M | — | $17.97M | 0.0% | n/c | 1 | SEC ↗ |
| 56 | Goldman Sachs Group ✦ | 1.21M | — | $17.97M | 0.0% | n/c | 1 | SEC ↗ |
| 57 | Arrowstreet Capital ✦ | 919.22K | -0.2% | $13.68M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 58 | T. Rowe Price ✦ | 599.95K | +1.5% | $8.93M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 59 | T. Rowe Price ✦ | 599.95K | +1.5% | $8.93M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 60 | Wellington Management ✦ | 357.55K | +8.9% | $5.32M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 61 | Wellington Management ✦ | 357.55K | +8.9% | $5.32M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 62 | Wellington Management ✦ | 357.55K | +8.9% | $5.32M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 63 | Wellington Management ✦ | 357.55K | +8.9% | $5.32M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 64 | Citadel Advisors ✦ | 140.59K | -19.4% | $2.09M | 0.0% | ▼ Trim | 6 | SEC ↗ |
| 65 | Marshall Wace ✦ | 116.01K | -71.5% | $1.73M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 66 | Marshall Wace ✦ | 116.01K | -71.5% | $1.73M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 67 | Renaissance Technologies ✦ | 36.30K | -65.8% | $540,144 | 0.0% | ▼ Trim | 4 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| No new tracked buyers this quarter. |
Exited
| Point72 Asset Management | $8.30M | was 0.0% |
| Norges Bank | $1.50M | was 0.0% |
Full-market context: across ALL 13F filers (SEC structured data, Q1 2026): 307 holders, 122.26M shares, $2.75B 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: Q3 2025 ·
Methodology ·
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