| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| BlackRock, Inc. | 5.8% | +16% | $101,936,456 | +$13,612,035 | 8,274,063 | +15% | BlackRock, Inc. | 30 Jun 2025 |
| MILLENNIUM MANAGEMENT LLC | 5.3% | $91,830,446 | 7,453,770 | Millennium Management LLC | 10 Sep 2025 | |||
| T. Rowe Price Investment Management, Inc. | 4.5% | -55% | $85,590,905 | -$109,593,690 | 6,274,993 | -56% | T. Rowe Price Investment Management, Inc. | 31 Aug 2025 |
As of 30 Sep 2025, 231 institutional investors reported holding 127,204,828 shares of CONSTELLIUM SE - COMMON STOCK (CSTM). This represents 91% of the company’s total 139,444,289 outstanding shares.
The largest institutional shareholders of CONSTELLIUM SE - COMMON STOCK (CSTM) together control 69% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| BlackRock, Inc. | 10% | 14,019,203 | +1.2% | 0% | $208,605,740 |
| FMR LLC | 9.7% | 13,518,071 | -2.1% | 0.01% | $201,148,897 |
| Bpifrance SA | 9% | 12,593,903 | 0% | 9.5% | $187,397,277 |
| MILLENNIUM MANAGEMENT LLC | 5% | 6,935,766 | +35% | 0.08% | $103,204,198 |
| Nut Tree Capital Management, LP | 3.7% | 5,213,900 | -7.8% | 18% | $77,582,832 |
| T. Rowe Price Investment Management, Inc. | 3.7% | 5,116,680 | -64% | 0.05% | $76,137,000 |
| Encompass Capital Advisors LLC | 3.1% | 4,264,275 | -20% | 2.9% | $63,452,412 |
| VANGUARD GROUP INC | 2.4% | 3,299,064 | +40% | 0% | $49,090,072 |
| Nuveen, LLC | 2% | 2,850,121 | +33% | 0.01% | $42,409,800 |
| STATE STREET CORP | 1.8% | 2,567,563 | +2.6% | 0% | $38,205,337 |
| MORGAN STANLEY | 1.8% | 2,511,602 | +57% | 0% | $37,372,649 |
| D. E. Shaw & Co., Inc. | 1.8% | 2,450,623 | +7.5% | 0.03% | $36,465,270 |
| JPMORGAN CHASE & CO | 1.7% | 2,407,597 | +11% | 0% | $35,825,044 |
| MACQUARIE GROUP LTD | 1.5% | 2,034,856 | -7.7% | 0.04% | $30,279,000 |
| JANUS HENDERSON GROUP PLC | 1.3% | 1,810,432 | -21% | 0.01% | $26,938,978 |
| GEODE CAPITAL MANAGEMENT, LLC | 1.2% | 1,708,136 | -1.3% | 0% | $25,414,352 |
| Soapstone Management L.P. | 1.2% | 1,669,099 | -6% | 17% | $24,836,193 |
| COOPER CREEK PARTNERS MANAGEMENT LLC | 1.2% | 1,666,521 | 0% | 0.93% | $24,798,000 |
| BRIGHTLINE CAPITAL MANAGEMENT, LLC | 1.2% | 1,625,000 | +62% | 9.9% | $24,180,000 |
| Cannell & Spears LLC | 1.1% | 1,557,835 | +5.2% | 0.44% | $23,180,585 |
| AQR CAPITAL MANAGEMENT LLC | 0.92% | 1,277,923 | +234% | 0.01% | $19,015,491 |
| BEACONLIGHT CAPITAL, LLC | 0.91% | 1,273,505 | +37% | 9.3% | $18,949,754 |
| CAPSTONE INVESTMENT ADVISORS, LLC | 0.9% | 1,261,854 | -11% | 0.16% | $18,776,388 |
| GOLDMAN SACHS GROUP INC | 0.87% | 1,207,407 | +3.2% | 0% | $17,966,216 |
| AMERICAN CENTURY COMPANIES INC | 0.84% | 1,171,848 | +58% | 0.01% | $17,437,098 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 1,056,445 | $19,968,119 | +$1,921,931 | $18.85 | 12 |
| 2025 Q3 | 127,204,828 | $1,892,825,130 | -$59,788,623 | $14.88 | 231 |
| 2025 Q2 | 131,403,730 | $1,747,763,305 | +$26,240,686 | $13.30 | 220 |
| 2025 Q1 | 131,724,011 | $1,329,603,032 | -$41,371,423 | $10.09 | 219 |
| 2024 Q4 | 135,085,299 | $1,387,264,360 | -$34,957,988 | $10.27 | 216 |
| 2024 Q3 | 134,554,825 | $2,187,989,285 | -$45,131,458 | $16.26 | 219 |
| 2024 Q2 | 135,236,292 | $2,551,728,512 | +$12,035,681 | $18.85 | 225 |
| 2024 Q1 | 134,833,332 | $2,981,160,421 | +$128,904,388 | $22.11 | 204 |
| 2023 Q4 | 143,207 | $2,858,412 | +$146,748 | $19.96 | 1 |
| 2023 Q3 | 132,787,517 | $2,408,971,953 | -$16,864,644 | $18.20 | 188 |
| 2023 Q2 | 133,650,329 | $2,298,783,355 | +$12,504,344 | $17.20 | 181 |
| 2023 Q1 | 133,285,777 | $2,036,685,613 | +$17,864,269 | $15.28 | 179 |
| 2022 Q4 | 132,690,081 | $1,569,929,383 | +$9,261,643 | $11.83 | 181 |
| 2022 Q3 | 131,283,429 | $1,331,636,844 | -$143,686,792 | $10.14 | 171 |
| 2022 Q2 | 119,836,040 | $1,581,577,995 | +$17,523,056 | $13.21 | 180 |
| 2022 Q1 | 125,503,903 | $2,258,947,926 | +$76,088,881 | $18.00 | 176 |
| 2021 Q4 | 125,444,986 | $2,245,680,516 | +$37,319,222 | $17.91 | 158 |
| 2021 Q3 | 125,467,281 | $2,356,914,223 | +$259,587,637 | $18.78 | 157 |
| 2021 Q2 | 111,668,524 | $2,115,379,751 | +$146,331,732 | $18.95 | 144 |
| 2021 Q1 | 104,050,471 | $1,529,003,550 | +$3,670,057 | $14.70 | 129 |
| 2020 Q4 | 104,469,072 | $1,460,528,885 | +$75,165,636 | $13.99 | 132 |
| 2020 Q3 | 99,355,479 | $780,522,275 | +$14,554,270 | $7.85 | 122 |
| 2020 Q2 | 97,653,422 | $750,531,320 | -$18,250,919 | $7.68 | 126 |
| 2020 Q1 | 101,564,224 | $529,774,062 | -$111,231,159 | $5.21 | 128 |
| 2019 Q4 | 106,135,163 | $1,423,110,424 | +$1,412,138,972 | $13.40 | 152 |
| 2019 Q3 | 80 | $2,000 | $0 | $25.00 | 1 |
| 2019 Q2 | 80 | $2,000 | $0 | $25.00 | 1 |
| 2019 Q1 | 80 | $2,000 | $0 | $25.00 | 1 |