NYSE: CSTM
Constellium Se Stock Ownership - Who owns Constellium Se?

Insider buying vs selling

Have Constellium Se insiders been buying or selling?

Buy
Sell
NameRoleDateSharesPriceValue
Martin JarrettSVP Chief Innovation Officer2026-05-144,716$33.46
$157.80kSell
Bradley Lee SoultzDirector2026-05-142,500$33.84
$84.60kBuy
Ludovic PiquierSVP Manuf Excellence CTO2026-05-121,000$33.57
$33.57kSell
Nicolas BrunSVP PA Comm Sust2026-05-1126,661$33.85
$902.47kSell
Stephane CorrePresident ASI2026-05-085,000$33.52
$167.60kSell
Jack Q. GuoEVP CFO2026-05-0525,201$32.62
$822.06kSell
Michiel BrandjesDirector2026-05-0510,400$31.25
$325.00kSell
Philippe HoffmannPresident AT2026-05-0150,000$31.92
$1.60MSell
Jeanchristophe DeslarzesDirector2026-05-011,325$31.13
$41.25kBuy
Stephane CorrePresident ASI2026-05-015,000$32.04
$160.20kSell

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Net Insider Buy/Sell (L12M) Ownership

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CSTM Shareholders

What type of owners hold Constellium Se stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Blackrock Inc9.52%12,964,203$415.37MInstitution
Bpifrance Sa9.25%12,593,903$403.51MInstitution
Fmr LLC5.11%6,961,768$223.06MInstitution
T Rowe Price Investment Management Inc2.91%3,960,819$126.90MInstitution
Vanguard Portfolio Management LLC2.88%3,927,097$125.82MInstitution
Millennium Management LLC2.55%3,470,091$111.18MInstitution
D E Shaw Co Inc2.38%3,234,576$103.64MInstitution
Arrowstreet Capital Limited Partnership2.37%3,228,027$103.43MInstitution
Morgan Stanley2.35%3,196,054$102.40MInstitution
Nuveen LLC2.08%2,827,731$90.60MInstitution

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CSTM vs Aluminum Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
CSTM92.54%1.39%Net SellingNet Selling
KALU97.03%2.97%Net SellingNet Selling
CENX45.46%54.54%Net SellingNet Selling
AA75.46%6.01%Net SellingNet Selling

Constellium Se Stock Ownership FAQ

Who owns Constellium Se?

Constellium Se (NYSE: CSTM) is owned by 92.54% institutional shareholders, 1.39% Constellium Se insiders, and 6.08% retail investors. Blackrock Inc is the largest individual Constellium Se shareholder, owning 12.96M shares representing 9.52% of the company. Blackrock Inc's Constellium Se shares are currently valued at $415.37M.

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