Ownership history in Soapstone Management L.P. Β· 20 quarters on record
This page tracks every 13F SEC filing in which Soapstone Management L.P. reported a position in CONSTELLIUM SE (CSTM). Data includes quarterly share count, position size as % of portfolio, estimated market value, and end-of-quarter stock price β sourced directly from SEC EDGAR 13F filings.
π Soapstone Management L.P. underperformed the S&P 500 by β1.0% annually on this CSTM position. Timing score: 43% (6/14 decisions correct). Average cost basis: $14.87. Maximum drawdown during holding period: β54.4%.
β‘οΈ Roughly in line with S&P 500 (Β±1% alpha range).
19 quarters analyzed
β οΈ Poor timing β buys often preceded drops, trims preceded rallies.
6 of 14 add/trim decisions correct
Best entry: $10.09 (2025 Q1) Β· Worst: $22.11 (2024 Q1)
πͺ Held through 2 major drawdowns (>20%).
11 adds Β· 4 trims. Bought during 6 of 8 down-price quarters. π Consistently bullish β fund kept accumulating this position.
π Soapstone Management L.P. has been actively increasing its CSTM allocation β a bullish signal from insiders.
Currently 18.75% of portfolio
β Based on quarterly 13F SEC filings and end-of-quarter closing prices. Timing score = accuracy of add/trim decisions vs next-quarter price direction. Alpha = mean quarterly excess return Γ 4 (annualised). Not investment advice.
As of 2025 Q4 β sorted by position size