GARDNER RUSSO & QUINN LLC is an institutional investment manager that files quarterly 13F reports with the SEC. As of Q2 2026, the fund manages $8.9B in reported equity holdings across 85 positions. The largest holdings are GOOGL (12.1%), BRK.A (12.0%), PFE (9.2%), MA (8.8%), CFRZ.XC (8.7%). The portfolio is concentrated in Other (87.9%), Consumer Defensive (8.1%), Healthcare (3.6%). Data sourced from SEC EDGAR 13F filings (CIK 860643).