Soapstone Management L.P. / CSTM
Soapstone Management L.P.’s Constellium SE Position
Does Soapstone Management L.P. own Constellium SE (CSTM)? Yes — 800.0K shares worth $20M (+14.01% of its 13F portfolio) as of Q1 2026, down from 1.35M shares the prior filed quarter.
Position Value
$20M
Q1 2026
Shares
800.0K
% of Portfolio
+14.01%
Quarters Held
21
currently held
Position History CSTM
Reported value by quarter
| Quarter | Shares | Value | % of Portfolio |
|---|---|---|---|
| Q1 2026 | 800.0K | $20M | +14.01% |
| Q4 2025 | 1.35M | $25M | +18.75% |
| Q3 2025 | 1.67M | $25M | +16.86% |
| Q2 2025 | 1.78M | $24M | +15.68% |
| Q1 2025 | 1.58M | $16M | +12.43% |
| Q4 2024 | 1.54M | $16M | +14.86% |
| Q3 2024 | 895.0K | $15M | +12.10% |
| Q2 2024 | 716.2K | $14M | +9.01% |
| Q1 2024 | 925.0K | $20M | +11.42% |
| Q4 2023 | 800.0K | $16M | +8.73% |
| Q3 2023 | 800.0K | $15M | +6.73% |
| Q2 2023 | 850.0K | $15M | +6.53% |
| Q1 2023 | 800.0K | $12M | +5.46% |
| Q4 2022 | 800.0K | $9M | +3.99% |
| Q3 2022 | 800.0K | $8M | +3.17% |
| Q2 2022 | 800.0K | $11M | +4.48% |
| Q1 2022 | 750.0K | $14M | +6.18% |
| Q4 2021 | 750.0K | $13M | +6.18% |
| Q3 2021 | 603.3K | $11M | +4.76% |
| Q2 2021 | 600.0K | $11M | +4.56% |
| Q1 2021 | 147.9K | $2M | +0.97% |
Common-stock position only; options are excluded. Quarters where the fund filed no 13F or reported no position are absent. See Soapstone Management L.P.’s full portfolio or all institutional holders of CSTM.