Ownership history in XTX Topco Ltd Β· 5 quarters on record
This page tracks every 13F SEC filing in which XTX Topco Ltd reported a position in MAMMOTH ENERGY SVCS INC (TUSK). 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 XTX Topco Ltd underperformed the S&P 500 by β134.6% annually on this TUSK position. Timing score: 50% (2/4 decisions correct). Average cost basis: $2.84. Maximum drawdown during holding period: β56.2%.
β Significantly underperformed the S&P 500 by 134.6% ann.
4 quarters analyzed
β‘οΈ Neutral timing β roughly coin-flip accuracy on add/trim calls.
2 of 4 add/trim decisions correct
Best entry: $1.85 (2025 Q4) Β· Worst: $4.22 (2023 Q1)
πͺ Held through 1 major drawdown (>20%). Strong conviction under pressure.
3 adds Β· 2 trims. Bought during 2 of 4 down-price quarters. π More buys than sells across the holding period.
βοΈ Portfolio weight has remained relatively stable β conviction maintained.
Currently 0.0% 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