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Equibles

TWO SIGMA INVESTMENTS, LP

Position in CSTM — Constellium SE

CIK 1179392 NEW YORK, NY
Back to CSTM Full portfolio

Position in CSTM

as of Jun 30, 2026 · filed Aug 14, 2026
Position Value
$11,643,927
+$4,542,765 QoQ
Shares Held
365,357
+26.5% QoQ
Ownership
0.268%
of shares outstanding
% of Portfolio
0.01%
of 13F equity value
Holder Rank
#57
of 386 holders
Holding Since
Mar 2020
16 quarters on record
Voting authority Sole 100% Shared 0% None 0%

Common Shares in CSTM Over Time

Shares Held

Position Value (USD)

Derivatives in CSTM

reported options exposure · as of Dec 31, 2021
CallValue
$293,724
CallShares
16,400
PutValue
$349,245
PutShares
19,500

Notional value of option positions as reported on Form 13F. Calls and puts are disclosed separately and do not net against the common-share stake above.

Position in Aluminum

Basic Materials · as of Jun 30, 2026

TWO SIGMA INVESTMENTS, LP holds $48,143,256 across 4 Aluminum names. CSTM ranks #2 (24.2% of the industry book) .

# Ticker Company Shares Value (USD) Open
1 KALU
Kaiser Aluminum Corp
 156,166 $30,550,754
2 CSTM
Constellium SE
This page 		365,357 $11,643,927
3 AA
Alcoa Corp
 89,759 $4,680,034
4 CENX
Century Aluminum Co
 27,571 $1,268,541

All Filings in CSTM

Export CSV
18 filing rows on record
Report Date Value (USD) Shares
2026-06-30 $11,643,927 365,357
2026-03-31 $7,101,162 288,900
2024-06-30 $1,868,638 99,132
2024-03-31 $9,004,186 407,245
2023-12-31 $5,065,089 253,762
2023-09-30 $7,109,156 390,613
2023-06-30 $7,512,891 436,796
2023-03-31 $6,090,378 398,585
2022-12-31 $4,449,535 376,123
2022-03-31 $876,816 48,712
2021-12-31 $293,724 16,400
2021-12-31 $349,245 19,500
2021-09-30 $283,578 15,100
2021-06-30 $214,135 11,300
2021-06-30 $1,919,635 101,300
2021-03-31 $2,854,196 194,163
2020-12-31 $2,506,378 179,155
2020-03-31 $841,675 161,550