Ownership history in Gruss & Co., LLC Β· 31 quarters on record
This page tracks every 13F SEC filing in which Gruss & Co., LLC reported a position in PROSHARES TR PSHS ULTSH 20YRS (TBT). 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 Gruss & Co., LLC underperformed the S&P 500 by β24.4% annually on this TBT position. Timing score: 30% (7/23 decisions correct). Average cost basis: $59.55. Maximum drawdown during holding period: β78.6%.
β Significantly underperformed the S&P 500 by 24.4% ann.
30 quarters analyzed
β οΈ Poor timing β buys often preceded drops, trims preceded rallies.
7 of 23 add/trim decisions correct
Best entry: $16.00 (2021 Q3) Β· Worst: $66.81 (2013 Q4)
πͺ Held through 1 major drawdown (>20%). Strong conviction under pressure.
10 adds Β· 13 trims. Bought during 5 of 15 down-price quarters. π Predominantly trimming β distribution phase.
π Portfolio weight has been declining in recent quarters. Possible distribution phase.
Currently 0.88% 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