Security record · archived quarter
CSTM
Constellium SE · Basic Materials · Aluminum
107Tracked holders
+9Δ holders
74.07MShares held
$1.80BReported value
+16New positions
−7Exits
Momentum inputs (comparable managers):
holder breadth +9.2% ·
share flow +5.7% ·
net new positions +8.4%
— formula
Broad accumulation — rising shares across more holders
All ownership figures: tracked 13F managers only, common-stock positions, reporting period Q1 2026
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 · Q1 2026
| # | Manager | Shares | Δ shares | Value | Their weight | Held | ||
|---|---|---|---|---|---|---|---|---|
| 1 | BlackRock ✦ (passive) | 12.96M | -5.6% | $318.66M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 2 | BlackRock ✦ (passive) | 12.96M | -5.6% | $318.66M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 3 | BlackRock ✦ (passive) | 12.96M | -5.6% | $318.66M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 4 | BlackRock ✦ (passive) | 12.96M | -5.6% | $318.66M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 5 | BlackRock ✦ (passive) | 12.96M | -5.6% | $318.66M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 6 | BlackRock ✦ (passive) | 12.96M | -5.6% | $318.66M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 7 | BlackRock ✦ (passive) | 12.96M | -5.6% | $318.66M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 8 | BlackRock ✦ (passive) | 12.96M | -5.6% | $318.66M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 9 | BlackRock ✦ (passive) | 12.96M | -5.6% | $318.66M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 10 | BlackRock ✦ (passive) | 12.96M | -5.6% | $318.66M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 11 | BlackRock ✦ (passive) | 12.96M | -5.6% | $318.66M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 12 | BlackRock ✦ (passive) | 12.96M | -5.6% | $318.66M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 13 | BlackRock ✦ (passive) | 12.96M | -5.6% | $318.66M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 14 | BlackRock ✦ (passive) | 12.96M | -5.6% | $318.66M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 15 | BlackRock ✦ (passive) | 12.96M | -5.6% | $318.66M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 16 | BlackRock ✦ (passive) | 12.96M | -5.6% | $318.66M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 17 | Fidelity (FMR) ✦ | 6.96M | -34.1% | $171.12M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 18 | Fidelity (FMR) ✦ | 6.96M | -34.1% | $171.12M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 19 | Fidelity (FMR) ✦ | 6.96M | -34.1% | $171.12M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 20 | Fidelity (FMR) ✦ | 6.96M | -34.1% | $171.12M | 0.0% | ▼ Trim | 4 | SEC ↗ |
| 21 | Millennium Management ✦ | 3.47M | -44.6% | $85.29M | 0.1% | ▼ Trim | 8 | SEC ↗ |
| 22 | D. E. Shaw & Co. ✦ | 3.23M | +5.9% | $79.51M | 0.1% | ▲ Add | 8 | SEC ↗ |
| 23 | D. E. Shaw & Co. ✦ | 3.23M | +5.9% | $79.51M | 0.1% | ▲ Add | 8 | SEC ↗ |
| 24 | Arrowstreet Capital ✦ | 3.23M | +620.9% | $79.34M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 25 | Morgan Stanley ✦ | 3.20M | -14.3% | $78.56M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 26 | Morgan Stanley ✦ | 3.20M | -14.3% | $78.56M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 27 | Morgan Stanley ✦ | 3.20M | -14.3% | $78.56M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 28 | Morgan Stanley ✦ | 3.20M | -14.3% | $78.56M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 29 | Morgan Stanley ✦ | 3.20M | -14.3% | $78.56M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 30 | Morgan Stanley ✦ | 3.20M | -14.3% | $78.56M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 31 | Morgan Stanley ✦ | 3.20M | -14.3% | $78.56M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 32 | Morgan Stanley ✦ | 3.20M | -14.3% | $78.56M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 33 | Nuveen, LLC | 2.83M | -0.5% | $69.51M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 34 | Nuveen, LLC | 2.83M | -0.5% | $69.51M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 35 | Nuveen, LLC | 2.83M | -0.5% | $69.51M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 36 | State Street Global Advisors ✦ (passive) | 2.76M | +3.9% | $67.93M | 0.0% | ▲ Add | 6 | SEC ↗ |
| 37 | American Century Companies Inc | 2.09M | +15.1% | $51.26M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 38 | AQR Capital Management ✦ | 2.07M | +17.5% | $51.00M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 39 | AQR Capital Management ✦ | 2.07M | +17.5% | $51.00M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 40 | AQR Capital Management ✦ | 2.07M | +17.5% | $51.00M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 41 | AQR Capital Management ✦ | 2.07M | +17.5% | $51.00M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 42 | AQR Capital Management ✦ | 2.07M | +17.5% | $51.00M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 43 | AQR Capital Management ✦ | 2.07M | +17.5% | $51.00M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 44 | AQR Capital Management ✦ | 2.07M | +17.5% | $51.00M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 45 | AQR Capital Management ✦ | 2.07M | +17.5% | $51.00M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 46 | AQR Capital Management ✦ | 2.07M | +17.5% | $51.00M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 47 | Healthcare Of Ontario Pension Plan… | 2.06M | +894.5% | $50.54M | 0.1% | ▲ Add | 2 | SEC ↗ |
| 48 | JPMorgan Chase ✦ | 2.05M | -1.8% | $47.32M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 49 | JPMorgan Chase ✦ | 2.05M | -1.8% | $47.32M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 50 | JPMorgan Chase ✦ | 2.05M | -1.8% | $47.32M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 51 | JPMorgan Chase ✦ | 2.05M | -1.8% | $47.32M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 52 | JPMorgan Chase ✦ | 2.05M | -1.8% | $47.32M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 53 | JPMorgan Chase ✦ | 2.05M | -1.8% | $47.32M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 54 | JPMorgan Chase ✦ | 2.05M | -1.8% | $47.32M | 0.0% | ▼ Trim | 3 | SEC ↗ |
| 55 | Nomura Asset Management… | 1.91M | -1.6% | $47.03M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 56 | Nomura Asset Management… | 1.91M | -1.6% | $47.03M | 0.1% | ▼ Trim | 2 | SEC ↗ |
| 57 | Alliancebernstein L.P. | 2.32M | +1573.5% | $43.68M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 58 | Geode Capital Management ✦ (passive) | 1.67M | +2.3% | $41.01M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 59 | Geode Capital Management ✦ (passive) | 1.67M | +2.3% | $41.01M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 60 | Goldman Sachs Group ✦ | 1.37M | +0.3% | $33.72M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 61 | Goldman Sachs Group ✦ | 1.37M | +0.3% | $33.72M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 62 | Goldman Sachs Group ✦ | 1.37M | +0.3% | $33.72M | 0.0% | ▲ Add | 3 | SEC ↗ |
| 63 | Point72 Asset Management ✦ | 1.01M | +216.0% | $24.71M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 64 | Northern Trust Corp | 977.58K | +3.8% | $24.03M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 65 | Northern Trust Corp | 977.58K | +3.8% | $24.03M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 66 | Northern Trust Corp | 977.58K | +3.8% | $24.03M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 67 | Northern Trust Corp | 977.58K | +3.8% | $24.03M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 68 | Northern Trust Corp | 977.58K | +3.8% | $24.03M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 69 | Allianz Asset Management GmbH | 893.94K | +408.1% | $21.97M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 70 | Allianz Asset Management GmbH | 893.94K | +408.1% | $21.97M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 71 | Allianz Asset Management GmbH | 893.94K | +408.1% | $21.97M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 72 | Allianz Asset Management GmbH | 893.94K | +408.1% | $21.97M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 73 | UBS AM, a distinct business unit of… | 855.66K | -1.6% | $21.03M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 74 | UBS AM, a distinct business unit of… | 855.66K | -1.6% | $21.03M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 75 | UBS AM, a distinct business unit of… | 855.66K | -1.6% | $21.03M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 76 | UBS AM, a distinct business unit of… | 855.66K | -1.6% | $21.03M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 77 | UBS AM, a distinct business unit of… | 855.66K | -1.6% | $21.03M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 78 | UBS AM, a distinct business unit of… | 855.66K | -1.6% | $21.03M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 79 | UBS AM, a distinct business unit of… | 855.66K | -1.6% | $21.03M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 80 | Bank Of America Corp /De/ | 851.22K | +100.1% | $20.92M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 81 | Bank Of America Corp /De/ | 851.22K | +100.1% | $20.92M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 82 | Jane Street Group, Llc | 832.49K | +165.3% | $20.46M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 83 | Jane Street Group, Llc | 832.49K | +165.3% | $20.46M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 84 | Jane Street Group, Llc | 832.49K | +165.3% | $20.46M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 85 | Balyasny Asset Management L.P. | 795.41K | +262.6% | $19.55M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 86 | Charles Schwab Investment… | 783.24K | -3.2% | $19.25M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 87 | Citadel Advisors ✦ | 770.61K | +504.4% | $18.94M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 88 | Citadel Advisors ✦ | 770.61K | +504.4% | $18.94M | 0.0% | ▲ Add | 8 | SEC ↗ |
| 89 | Federated Hermes, Inc. | 652.66K | +119.7% | $16.04M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 90 | Federated Hermes, Inc. | 652.66K | +119.7% | $16.04M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 91 | New York State Common Retirement… | 570.19K | +99.2% | $14.02M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 92 | Fisher Asset Management ✦ | 539.45K | +5202.8% | $13.26M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 93 | Hrt Financial Lp | 518.83K | +63.8% | $12.75M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 94 | Bridgewater Associates ✦ | 502.97K | New | $12.36M | 0.1% | New | 1 | SEC ↗ |
| 95 | UBS Group AG | 471.50K | -15.0% | $11.59M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 96 | UBS Group AG | 471.50K | -15.0% | $11.59M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 97 | UBS Group AG | 471.50K | -15.0% | $11.59M | 0.0% | ▼ Trim | 2 | SEC ↗ |
| 98 | Qube Research & Technologies Ltd | 470.93K | New | $11.58M | 0.0% | New | 1 | SEC ↗ |
| 99 | Russell Investments Group, Ltd. | 465.40K | +8.4% | $11.42M | 0.0% | ▲ Add | 2 | SEC ↗ |
| 100 | Russell Investments Group, Ltd. | 465.40K | +8.4% | $11.42M | 0.0% | ▲ Add | 2 | SEC ↗ |
“Their weight” = the position's share of that manager's reported 13F equity value — the conviction measure. ✦ = curated manager.
New buyers
| Bridgewater Associates | $12.36M | 0.1% |
| Qube Research & Technologies… | $11.58M | 0.0% |
Exited
| Capstone Investment Advisors… | $22.52M | was 0.2% |
| Tudor Investment Corp Et Al | $9.36M | was 0.1% |
| Wellington Management | $8.87M | was 0.0% |
| Hotchkis & Wiley Capital… | $8.45M | was 0.0% |
| Adage Capital Partners | $5.66M | was 0.0% |
| Group One Trading Llc | $142,902 | was 0.0% |
| TD Waterhouse Canada Inc. | $18,860 | 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: Q1 2026 ·
Methodology ·
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