Rockbridge Asset Management LLC reported 28 positions worth $151.86M for the quarter ended Jun 30, 2026, up 2.8% on the prior quarter. It opened 4 new positions, added to 4, trimmed 12 and exited 0. Its largest holding is Markel Group Inc. at 12.3% 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 |
|---|---|---|---|---|
| CPRT Copart Inc | +186.7K | +67.7% | $5.26M | 8.59% |
| MKL Markel Group Inc. | +199 | +2.1% | $388.65K | 12.33% |
| KLAC Kla Corp | +1,130 | – | $340.93K | 0.225% |
| LRCX Lam Research Corp | +730 | – | $316.33K | 0.208% |
| BLDR Builders FirstSource, Inc. | +3,283 | +10.0% | $293.76K | 2.13% |
| GEV GE Vernova Inc. | +218 | – | $256.12K | 0.169% |
| NABL N-able, Inc. | +14.7K | – | $53.88K | 0.035% |
| AMZN Amazon Com Inc | +70 | +0.1% | $16.68K | 9.63% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| CCC CCC Intelligent Solutions Holdings Inc. | -386.2K | -36.3% | $1.99M | 2.3% |
| V Visa Inc. | -2,744 | -11.1% | $941.44K | 4.94% |
| KNSL Kinsale Capital Group, Inc. | -2,438 | -21.4% | $804.08K | 1.94% |
| AMT American Tower Corp | -4,147 | -5.0% | $678.32K | 8.49% |
| MA Mastercard Inc | -556 | -3.4% | $285.56K | 5.41% |
| ORLY O Reilly Automotive Inc | -2,289 | -1.6% | $210.79K | 8.71% |
| LMT Lockheed Martin Corp | -194 | -1.2% | $98.84K | 5.28% |
| BRK-B Berkshire Hathaway Inc | -130 | -0.6% | $65.05K | 7.49% |
| AAPL Apple Inc. | -210 | -0.6% | $60.77K | 6.4% |
| MSFT Microsoft Corp | -44 | -0.1% | $16.41K | 7.57% |
No positions were closed this quarter.
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | MKL Markel Group Inc. | Financial Services | 9,588 | $18.73M | 12.33% | +199 | +2.1% | Added | 0.08% |
| 2 | AMZN Amazon Com Inc | Consumer Discretionary | 61.3K | $14.62M | 9.63% | +70 | +0.1% | Added | 0% |
| 3 | ORLY O Reilly Automotive Inc | Consumer Discretionary | 143.6K | $13.22M | 8.71% | -2,289 | -1.6% | Reduced | 0.02% |
| 4 | CPRT Copart Inc | Industrials | 462.7K | $13.04M | 8.59% | +186.7K | +67.7% | Added | 0.05% |
| 5 | AMT American Tower Corp | Real Estate | 78.9K | $12.90M | 8.49% | -4,147 | -5.0% | Reduced | 0.02% |
| 6 | MSFT Microsoft Corp | Technology | 30.8K | $11.49M | 7.57% | -44 | -0.1% | Reduced | 0% |
| 7 | BRK-B Berkshire Hathaway Inc | Financial Services | 22.7K | $11.37M | 7.49% | -130 | -0.6% | Reduced | 0% |
| 8 | AAPL Apple Inc. | Technology | 33.6K | $9.72M | 6.4% | -210 | -0.6% | Reduced | 0% |
| 9 | MA Mastercard Inc | Financial Services | 16.0K | $8.21M | 5.41% | -556 | -3.4% | Reduced | 0% |
| 10 | LMT Lockheed Martin Corp | Industrials | 15.7K | $8.02M | 5.28% | -194 | -1.2% | Reduced | 0.01% |
| 11 | V Visa Inc. | Financial Services | 21.9K | $7.51M | 4.94% | -2,744 | -11.1% | Reduced | 0% |
| 12 | GOOGL Alphabet Inc. | Technology | 20.5K | $7.34M | 4.83% | -24 | -0.1% | Reduced | 0% |
| 13 | CCC CCC Intelligent Solutions Holdings Inc. | Technology | 677.5K | $3.50M | 2.3% | -386.2K | -36.3% | Reduced | 0.12% |
| 14 | BLDR Builders FirstSource, Inc. | Industrials | 36.2K | $3.24M | 2.13% | +3,283 | +10.0% | Added | 0.03% |
| 15 | KNSL Kinsale Capital Group, Inc. | Financial Services | 8,949 | $2.95M | 1.94% | -2,438 | -21.4% | Reduced | 0.04% |
Tip. Select a row to see that position’s full history at Rockbridge Asset Management.
As of its Q2 2026 13F filing, Rockbridge Asset Management LLC’s five largest positions were Markel Group Inc. (MKL) at 12.3%, Amazon Com Inc (AMZN) at 9.6%, O Reilly Automotive Inc (ORLY) at 8.7%, Copart Inc (CPRT) at 8.6%, American Tower Corp (AMT) at 8.5% of the reported portfolio.
Rockbridge Asset Management LLC reported a 13F portfolio worth $151.86M across 28 positions for Q2 2026. That is up 2.8% from the previous quarter.
Its largest purchases by value were Copart Inc ($5.26M), Markel Group Inc. ($388.65K), Kla Corp ($340.93K). It opened 4 new positions.
Its largest sales by value were CCC Intelligent Solutions Holdings Inc. ($1.99M), Visa Inc. ($941.44K), Kinsale Capital Group, Inc. ($804.08K). It exited 0 positions entirely.
From the Form 13F-HR reports Rockbridge Asset Management 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.