Ownership history in EQUITEC PROPRIETARY MARKETS, LLC Β· 5 quarters on record
This page tracks every 13F SEC filing in which EQUITEC PROPRIETARY MARKETS, LLC reported a position in MICROSTRATEGY INC (MSTR). 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 EQUITEC PROPRIETARY MARKETS, LLC outperformed the S&P 500 by +138.1% annually on this MSTR position. Timing score: 25% (1/4 decisions correct). Average cost basis: $159.76. Maximum drawdown during holding period: β10.9%.
π₯ Exceptional β beat the S&P 500 by 138.1% per year on this position.
4 quarters analyzed
β οΈ Poor timing β buys often preceded drops, trims preceded rallies.
1 of 4 add/trim decisions correct
Best entry: $57.84 (2021 Q3) Β· Worst: $170.46 (2024 Q1)
π No drawdown exceeding 20% during the holding period β exceptionally stable.
3 adds Β· 2 trims. Bought during 1 of 2 down-price quarters. π More buys than sells across the holding period.
π EQUITEC PROPRIETARY MARKETS, LLC has been actively increasing its MSTR allocation β a bullish signal from insiders.
Currently 0.44% 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