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
Marcus BeckerSVP CPO2026-03-1610,000$25.09
$250.90kSell
Marcus BeckerSVP CPO2026-03-101,113$25.87
$28.79kSell
Ingrid JoergCEO2026-03-104,614$25.87
$119.36kSell
Stephane CorrePresident ASI2026-03-101,500$25.89
$38.84kSell
Jack Q. GuoEVP CFO2026-03-1041,717$25.87
$1.08MSell
Philippe HoffmannPresident AT2026-03-104,728$25.87
$122.31kSell
Philip Ryan JurkovicSVP CHRO2026-03-1029,900$25.87
$773.51kSell
Nicolas BrunSVP PA Comm Sust2026-03-0917,701$24.67
$436.68kSell
Philippe HoffmannPresident AT2026-03-0430,000$27.14
$814.20kSell
Philippe HoffmannPresident AT2026-03-0450,000$26.03
$1.30MSell

1 of 2

CSTM insiders have sold more... subscribe to Premium to read more.
Net Insider Buy/Sell (L12M) Ownership

Be the first to know when CSTM insiders and whales buy or sell their stock.

CSTM Shareholders

What type of owners hold Constellium Se stock?

Institutional
Insider
Retail
NameHoldSharesValueType
Blackrock Inc10.17%13,730,294$382.11MInstitution
Bpifrance Sa9.32%12,593,903$350.49MInstitution
Fmr LLC7.83%10,569,283$294.14MInstitution
Millennium Management LLC4.64%6,269,869$174.49MInstitution
Encompass Capital Advisors LLC3.45%4,657,915$129.63MInstitution
T Rowe Price Investment Management Inc3.21%4,334,727$120.64MInstitution
Vanguard Group Inc3.00%4,054,982$112.85MInstitution
Morgan Stanley2.76%3,728,118$103.75MInstitution
Nut Tree Capital Management LP2.39%3,225,000$89.75MInstitution
D E Shaw Co Inc2.26%3,055,291$85.03MInstitution

1 of 3

CSTM vs Aluminum Stocks

TickerInst. %Insider %Net Insider (L12M)Net Insider (L3M)
CSTM92.09%1.51%Net SellingNet Selling
KALU96.57%3.43%Net SellingNet Selling
CENX45.31%54.69%Net SellingNet Selling
AA75.68%6.00%Net SellingNet Selling

Constellium Se Stock Ownership FAQ

Who owns Constellium Se?

Constellium Se (NYSE: CSTM) is owned by 92.09% institutional shareholders, 1.51% Constellium Se insiders, and 6.40% retail investors. Blackrock Inc is the largest individual Constellium Se shareholder, owning 13.73M shares representing 10.17% of the company. Blackrock Inc's Constellium Se shares are currently valued at $372.37M.

If you're new to stock investing, here's how to buy Constellium Se stock.
WallStreetZen does not provide financial advice and does not issue recommendations or offers to buy stock or sell any security.

Information is provided 'as-is' and solely for informational purposes and is not advice. WallStreetZen does not bear any responsibility for any losses or damage that may occur as a result of reliance on this data.