Gardner Russo & Quinn LLC reported 51 positions worth $6.40B for the quarter ended Jun 30, 2026, up 2.0% on the prior quarter. It opened 0 new positions, added to 4, trimmed 38 and exited 1. Its largest holding is Alphabet Inc. at 16.8% of the portfolio.
Reported 13F market value at each quarter end. A change mixes trading with price moves in the positions held.
Dollar value of shares bought and sold each quarter, at that quarter’s price. It counts trading only, not price changes.
How many positions were opened, added to, trimmed or closed each quarter.
Share of reported value in each sector at every quarter end.
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| GOOG Alphabet Inc. | -302.3K | -9.0% | $106.80M | 16.84% |
| JPM Jpmorgan Chase & Co | -124.1K | -83.4% | $40.61M | 0.127% |
| BRK-A Berkshire Hathaway Inc | -28 | -1.9% | $20.97M | 16.77% |
| MA Mastercard Inc | -32.7K | -2.1% | $16.82M | 12.22% |
| BRK-B Berkshire Hathaway Inc | -31.1K | -2.8% | $15.54M | 8.44% |
| PM Philip Morris International Inc. | -74.2K | -1.6% | $13.43M | 12.82% |
| SUNB Sunbelt Rentals Holdings, Inc. | -151.3K | -2.5% | $11.32M | 6.9% |
| UBER Uber Technologies, Inc | -89.4K | -1.7% | $6.45M | 5.74% |
| MLM Martin Marietta Materials Inc | -10.0K | -1.4% | $5.79M | 6.36% |
| V Visa Inc. | -6,556 | -7.0% | $2.25M | 0.468% |
No new positions this quarter.
| Holding | Shares Sold | Trade Value | Prior Weight |
|---|---|---|---|
| GNRC Generac Holdings Inc. | -2,250 | $439.49K | <0.01% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | GOOG Alphabet Inc. | Technology | 3.05M | $1.08B | 16.84% | -302.3K | -9.0% | Reduced | 0.02% |
| 2 | BRK-A Berkshire Hathaway Inc | Financial Services | 1,432 | $1.07B | 16.77% | -28 | -1.9% | Reduced | 0.29% |
| 3 | PM Philip Morris International Inc. | Consumer Staples | 4.53M | $819.68M | 12.82% | -74.2K | -1.6% | Reduced | 0.29% |
| 4 | MA Mastercard Inc | Financial Services | 1.52M | $781.90M | 12.22% | -32.7K | -2.1% | Reduced | 0.17% |
| 5 | BRK-B Berkshire Hathaway Inc | Financial Services | 1.08M | $540.10M | 8.44% | -31.1K | -2.8% | Reduced | 0.08% |
| 6 | SUNB Sunbelt Rentals Holdings, Inc. | Industrials | 5.90M | $441.22M | 6.9% | -151.3K | -2.5% | Reduced | 1.4% |
| 7 | NFLX Netflix Inc | Technology | 5.71M | $407.70M | 6.37% | +99.4K | +1.8% | Added | 0.14% |
| 8 | MLM Martin Marietta Materials Inc | Basic Materials | 705.4K | $406.78M | 6.36% | -10.0K | -1.4% | Reduced | 1.17% |
| 9 | UBER Uber Technologies, Inc | Technology | 5.08M | $366.86M | 5.74% | -89.4K | -1.7% | Reduced | 0.25% |
| 10 | DASH DoorDash, Inc. | Technology | 1.19M | $218.87M | 3.42% | +184.9K | +18.5% | Added | 0.27% |
| 11 | CMCSA Comcast Corp | Communication Services | 2.19M | $53.85M | 0.842% | -59.4K | -2.6% | Reduced | 0.06% |
| 12 | BF-A Brown Forman Corp | Consumer Staples | 1.60M | $43.72M | 0.683% | -50.1K | -3.0% | Reduced | 0.95% |
| 13 | V Visa Inc. | Financial Services | 87.3K | $29.94M | 0.468% | -6,556 | -7.0% | Reduced | 0.01% |
| 14 | XOM ExxonMobil Holdings Corp | Energy | 181.2K | $24.77M | 0.387% | -12.8K | -6.6% | Reduced | 0% |
| 15 | BF-B Brown Forman Corp | Consumer Staples | 639.3K | $17.04M | 0.266% | -20.4K | -3.1% | Reduced | 0.14% |
Tip. Select a row to see that position’s full history at Gardner Russo & Quinn.
As of its Q2 2026 13F filing, Gardner Russo & Quinn LLC’s five largest positions were Alphabet Inc. (GOOG) at 16.8%, Berkshire Hathaway Inc (BRK-A) at 16.8%, Philip Morris International Inc. (PM) at 12.8%, Mastercard Inc (MA) at 12.2%, Berkshire Hathaway Inc (BRK-B) at 8.4% of the reported portfolio.
Gardner Russo & Quinn LLC reported a 13F portfolio worth $6.40B across 51 positions for Q2 2026. That is up 2.0% from the previous quarter.
Its largest purchases by value were DoorDash, Inc. ($34.12M), Netflix Inc ($7.10M), Microsoft Corp ($14.92K). It opened 0 new positions.
Its largest sales by value were Alphabet Inc. ($106.80M), Jpmorgan Chase & Co ($40.61M), Berkshire Hathaway Inc ($20.97M). It exited 1 positions entirely.
From the Form 13F-HR reports Gardner Russo & Quinn LLC files with the SEC each quarter, within 45 days of quarter end. A 13F lists long positions in US-listed equities and options; it excludes short positions, cash, bonds and most non-US holdings.
13F data reflects long positions in US-listed equities and options as reported to the SEC up to 45 days after quarter end. It excludes short positions, cash, bonds and most non-US securities, so it is not a complete picture of a manager’s assets.