Constellium SE

CSTM

Exchange: NYSE
Industry: Secondary Smelting & Refining of Nonferrous Metals
SEC CIK: 0001563411

SEC filings (opens in a new tab)

In the last 90 days, Constellium SE insiders filed 1 open-market purchase and 0 sales; 389 institutions reported holding it in 13F filings for Q2 2026, worth $3.85B in total; no superinvestor holds it.

Q3 2021 vs. Q2 2021

How the institutions holding Constellium SE changed between Q2 2021 and Q3 2021.

All holders in Q3 2021 All holders in Q2 2021

13F holders of CSTM: Q2 2021 compared with Q3 2021
Measure	Q2 2021	Of which not filed for Q3 2021	Q3 2021	Change
Holders	153	2	162	+11
Shares	129.9M	2.22K	127.3M	−2.53M (−1.9%)
Value	$2.46B	$42.0K	$2.39B	−$68.2M (−2.8%)

2 institutions that held it in Q2 2021 haven't filed for Q3 2021 yet. Not filing isn't selling, so the changes leave them out.

New holders (27)

Institutions that held Constellium SE at the end of Q3 2021 but not at the end of Q2 2021.

Institutions new to CSTM in Q3 2021
Institution	Shares	Value	% of portfolio
Lancaster Investment Management	2,078,199	$39.0M	92.29%
Federated Hermes, Inc.	491,922	$9.24M	0.02%
Citadel Advisors LLC	174,559	$3.28M	0.00%
American Century Companies Inc	154,745	$2.91M	0.00%
Strategic Global Advisors, LLC	149,490	$2.81M	0.41%
Renaissance Technologies LLC	94,200	$1.77M	0.00%
ExodusPoint Capital Management, LP	78,610	$1.48M	0.02%
Mackenzie Financial Corp	60,268	$1.13M	0.00%
Amundi	57,750	$1.08M	0.00%
Prudential Financial Inc	55,180	$1.04M	0.00%
HSBC Holdings PLC	46,299	$873.0K	0.00%
SummerHaven Investment Management, LLC	45,638	$857.0K	0.50%
Kamunting Street Capital Management, L.P.	32,800	$616.0K	0.34%
Belpointe Asset Management LLC	30,405	$571.0K	0.04%
Aigen Investment Management, LP	28,814	$541.0K	0.10%
Blueshift Asset Management, LLC	25,968	$488.0K	0.03%
Ativo Capital Management LLC	24,730	$464.0K	0.22%
Jefferies Group LLC	23,600	$443.2K	0.01%
Chiron Investment Management, LLC	23,598	$443.0K	0.07%
AlphaCrest Capital Management LLC	18,500	$347.0K	0.02%
Engineers Gate Manager LP	16,524	$310.0K	0.02%
ARS Investment Partners, LLC	12,000	$225.0K	0.02%
Envestnet Asset Management Inc	11,314	$212.0K	0.00%
SEI Investments Co	10,999	$205.0K	0.00%
First Horizon Advisors, Inc.	2,225	$41.0K	0.00%
Bell Investment Advisors, Inc	56	$1.00K	0.00%
Parallel Advisors, LLC	26	$0	0.00%

Sold out (16)

Institutions that held Constellium SE at the end of Q2 2021 and filed for Q3 2021 without it.

Institutions that sold out of CSTM in Q3 2021
Institution	Shares, Q2 2021	Value, Q2 2021
DSAM Partners (London) Ltd	675,000	$12.8M
Nishkama Capital, LLC	481,896	$9.13M
Susquehanna International Group, LLP	396,464	$7.51M
JPMorgan Chase & Co	378,654	$7.17M
Arrowstreet Capital, Limited Partnership	371,459	$7.04M
Voloridge Investment Management, LLC	182,886	$3.47M
Paradigm Asset Management Co LLC	135,000	$2.56M
DnB Asset Management AS	49,184	$932.0K
Walleye Trading LLC	31,397	$595.0K
Jade Capital Advisors, LLC	27,229	$516.0K
Kore Private Wealth LLC	26,249	$497.0K
Truist Financial Corp	20,272	$384.0K
PEAK6 Investments LLC	19,842	$376.0K
Dynamic Technology Lab Private Ltd	19,429	$368.0K
Quadrature Capital Ltd	10,338	$195.9K
NEXT Financial Group, Inc	360	$7.00K

Not filed for Q3 2021 yet (2)

Institutions that held Constellium SE at the end of Q2 2021 and haven't filed a 13F for Q3 2021. Not filing isn't selling, so they aren't counted as sold out.

Institutions holding CSTM in Q2 2021 that haven't filed for Q3 2021
Institution	Shares, Q2 2021	Value, Q2 2021
First Horizon Corp	2,140	$40.0K
CWM, LLC	80	$2.00K