Thomas Russo - Gardner Russo & Quinn Portfolio Position Sizes (Q1 2026)

As of Mar 31, 2026, the Gardner Russo & Quinn portfolio balances reported a total equity value of $8.50B across 86 publicly traded holdings. These balances reflect the most recent SEC 13F filing dated May 13, 2026, providing an updated snapshot of assets under management.

The portfolio balances highlight Berkshire Hathaway Inc Cl A (BRK-A) as the single largest position, accounting for 12.3% of total equity value, followed by Alphabet Inc Cl C (GOOG), Mastercard Inc Cl A (MA), Philip Morris International In (PM), and others. Collectively, the top five holdings represent 49.3% of the portfolio, showing how capital is distributed among core positions and long-term investments.