Ownership history in Mariner, LLC Β· 15 quarters on record
This page tracks every 13F SEC filing in which Mariner, LLC reported a position in BOSTON PROPERTIES INC COM (BXP). 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 Mariner, LLC underperformed the S&P 500 by β80.6% annually on this BXP position. Timing score: 69% (9/13 decisions correct). Average cost basis: $61.25. Maximum drawdown during holding period: β26.1%.
β Significantly underperformed the S&P 500 by 80.6% ann.
13 quarters analyzed
β
Decent timing β more right than wrong on entries and exits.
9 of 13 add/trim decisions correct
Best entry: $46.38 (2023 Q1) Β· Worst: $75.64 (2024 Q3)
πͺ Held through 1 major drawdown (>20%). Strong conviction under pressure.
8 adds Β· 7 trims. Bought during 3 of 7 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