PROSPECTOR PARTNERS LLC is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q4 2025, the fund manages $47M in reported equity holdings across 16 positions. The largest holdings are XOM (12.0%), PSA (10.4%), MSFT (10.0%), BRK.B (9.7%), PJT (9.6%). The portfolio is concentrated in Other (74.5%), Industrials (9.1%), Consumer Cyclical (8.0%). Data sourced from SEC EDGAR 13F filings (CIK 1080380).