Constellium SE CSTM

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20.99 USD -1.72 (-7.57%)

At closeNov 5, 2026, 7:56 PM EST

21.30 +0.31 +1.48%

After hours · Nov 5, 7:56 PM ET

20.81 Day range 22.93

14.62 52-week range 36.99

Held by insiders 3.04%

Held by institutions 93.55%

Float held by institutions 96.48%

Institutions 521

Top institutional holders
Holder	% held	Shares	Value	Reported
Blackrock Inc.	9.52%	12,802,322	290.87M	Jun 29, 2026
Bpifrance SA	6.25%	8,403,903	190.94M	Jun 29, 2026
Morgan Stanley	4.60%	6,183,255	140.48M	Jun 29, 2026
Vanguard Portfolio Management LLC	3.26%	4,391,756	99.78M	Jun 29, 2026
American Century Companies Inc	3.14%	4,220,743	95.90M	Jun 29, 2026
T. Rowe Price Investment Management, Inc.	2.22%	2,980,566	67.72M	Jun 29, 2026

Top mutual fund holders
Holder	% held	Shares	Value	Reported
iShares Trust-iShares Russell 2000 ETF	2.45%	3,300,523	74.99M	Sep 29, 2026
American Century ETF Trust-Avantis International Small Cap Value ETF	1.92%	2,577,840	58.57M	Sep 29, 2026
T. Rowe Price Small-Cap Value Fund, Inc.	1.17%	1,571,008	35.69M	Jun 29, 2026
Fidelity Salem Street Trust-Fidelity Small Cap Index Fund	1.10%	1,482,278	33.68M	Aug 30, 2026
VANGUARD HORIZON FUNDS-Vanguard Strategic Equity Fund	0.90%	1,210,699	27.51M	Jun 29, 2026
Delaware Group Equity Funds V-Nomura Small Cap Value Fund	0.89%	1,201,264	27.29M	Aug 30, 2026

CSTM insiders
Insider	Relation	Latest transaction	Date	Shares held
BRANDJES MICHIEL	Director	Sale	May 4, 2026	41,600
BRUN NICOLAS	Officer	Sale	May 10, 2026	104,891
CORRE STEPHANE	Officer	Sale	May 7, 2026	62,313
DESLARZES JEAN-CHRISTOPHE	Director	Purchase	Nov 1, 2026	45,315
GUO JACK Q.	Chief Financial Officer	Sale	May 4, 2026	185,368
HOFFMANN PHILIPPE	Officer	Sale	Apr 30, 2026	144,153

Ownership