GARDNER RUSSO & QUINN LLC is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q1 2026, the fund manages $8.5B in reported equity holdings across 86 positions. The largest holdings are BRK.A (12.3%), GOOGL (11.3%), MA (9.1%), PFE (9.0%), HKHHY (7.6%). The portfolio is concentrated in Other (88.0%), Consumer Defensive (8.6%), Healthcare (2.7%). Data sourced from SEC EDGAR 13F filings (CIK 860643).