Ownership history in PROSPECTOR PARTNERS LLC Β· 82 quarters on record
This page tracks every 13F SEC filing in which PROSPECTOR PARTNERS LLC reported a position in MICROSOFT CORP COM COMMON STOCK (MSFT). 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 PROSPECTOR PARTNERS LLC outperformed the S&P 500 by +2.2% annually on this MSFT position. Timing score: 39% (28/72 decisions correct). Average cost basis: $24.62. Maximum drawdown during holding period: β47.1%.
β
Outperformed SPY on this position by 2.2% ann.
11 quarters analyzed
β οΈ Poor timing β buys often preceded drops, trims preceded rallies.
28 of 72 add/trim decisions correct
Best entry: $13.48 (2009 Q1) Β· Worst: $440.99 (2024 Q2)
πͺ Held through 3 major drawdowns (>20%). Diamond-hands conviction.
32 adds Β· 41 trims. Bought during 16 of 27 down-price quarters. π Predominantly trimming β distribution phase.
π PROSPECTOR PARTNERS LLC has been actively increasing its MSFT allocation β a bullish signal from insiders.
Currently 10.03% 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