StockDriftsStockDriftsTop 50 Columbia Asset Management Holdings
| Stock | Company | % Port. | Shares | Value | Activity | Ownership | Avg. Cost | Date |
|---|---|---|---|---|---|---|---|---|
| AAPL | APPLE INC | 9.56% | 190.0K | $55.0M | -4.09%(-8.11K) | $57.33(+432.69%) | 2026-06-30 | |
| MSFT | MICROSOFT CORP | 5.79% | 89.3K | $33.3M | -0.88%(-796) | $51.15(+850.34%) | 2026-06-30 | |
| GOOGL | ALPHABET INC | 4.49% | 72.3K | $25.8M | -2.46%(-1.82K) | $42.92(+703.20%) | 2026-06-30 | |
| AMZN | AMAZON COM INC | 3.34% | 80.6K | $19.2M | -4.63%(-3.92K) | $73.81(+255.69%) | 2026-06-30 | |
| ERIE | ERIE INDTY CO | 3.03% | 72.6K | $17.4M | +0.03%(+23) | $198.56(+28.92%) | 2026-06-30 | |
| AVGO | BROADCOM INC | 2.98% | 45.4K | $17.2M | -4.28%(-2.03K) | $37.91(+938.51%) | 2026-06-30 | |
| V | VISA INC | 2.98% | 50.0K | $17.2M | -2.16%(-1.11K) | $84.68(+327.41%) | 2026-06-30 | |
| BRK.B | BERKSHIRE HATHAWAY INC DEL | 2.93% | 33.7K | $16.9M | new | $103.57(+384.05%) | 2026-06-30 | |
| CAT | CATERPILLAR INC | 2.62% | 14.2K | $15.1M | -5.92%(-891) | $107.96(+705.40%) | 2026-06-30 | |
| MRK | MERCK & CO INC | 2.47% | 110.5K | $14.2M | -1.06%(-1.19K) | $23.24(+486.09%) | 2026-06-30 |
| Performance Metric | 3-Year Annualized | 3-Year Cumulative | 5-Year Annualized | 5-Year Cumulative |
|---|---|---|---|---|
| Top 20 Holdings Weighted | +16.18% | +56.81% | +15.23% | +103.16% |
| Top 20 Holdings Unweighted | +16.57% | +58.41% | +14.26% | +94.75% |
Columbia Asset Management reports $575.23M in US-listed equity holdings across 168 positions in its most recent 13F filing. Its largest disclosed positions are AAPL (9.6%), MSFT (5.8%) and GOOGL (4.5%). The top 20 holdings account for 57.3% of reported assets. Its disclosed equity book has returned +56.81% on a three-year cumulative basis. Figures reflect the Q2 2026 filing.
Portfolio changes
Every reported change this quarter, grouped by direction. The signal is in the rotation, not any single trade.
Sign up free to track Columbia Asset Management, compare funds side by side, and get alerts the moment positions change.
Holdings on this page are parsed from Columbia Asset Management’s Form 13F filings with the U.S. Securities and Exchange Commission (CIK 1585047). View Columbia Asset Management’s 13F filings on SEC