Mason Investment Advisory Services, Inc. reported 18 positions worth $11.20M for the quarter ended Jun 30, 2026, down 6.4% on the prior quarter. It opened 1 new position, added to 1, trimmed 11 and exited 2. Its largest holding is ExxonMobil Holdings Corp at 19.8% 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 |
|---|---|---|---|---|
| INGR Ingredion Inc | -2,051 | -100.0% | $231.12K | Exited |
| INTU Intuit Inc. | -503 | -100.0% | $217.47K | Exited |
| AAPL Apple Inc. | -317 | -6.4% | $91.73K | 12.02% |
| CVX Chevron Corp | -392 | -3.8% | $64.98K | 14.6% |
| TSM Taiwan Semiconductor Manufacturing Co Ltd | -90 | -15.0% | $42.99K | 2.18% |
| MSFT Microsoft Corp | -104 | -4.8% | $38.80K | 6.84% |
| GOOGL Alphabet Inc. | -98 | -6.4% | $35.03K | 4.58% |
| AMZN Amazon Com Inc | -130 | -7.8% | $30.98K | 3.28% |
| V Visa Inc. | -65 | -8.2% | $22.29K | 2.23% |
| LLY ELI LILLY & Co | -15 | -5.3% | $18.01K | 2.89% |
| Holding | Shares | Trade Value | Weight |
|---|---|---|---|
| LRCX Lam Research Corp | +640 | $277.51K | 2.48% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | XOM ExxonMobil Holdings Corp | Energy | 16.2K | $2.21M | 19.76% | -89 | -0.5% | Reduced | 0% |
| 2 | CVX Chevron Corp | Energy | 9,865 | $1.64M | 14.6% | -392 | -3.8% | Reduced | 0% |
| 3 | AAPL Apple Inc. | Technology | 4,651 | $1.35M | 12.02% | -317 | -6.4% | Reduced | 0% |
| 4 | ANET Arista Networks, Inc. | Technology | 4,955 | $841.76K | 7.52% | 0 | 0.0% | Unchanged | 0% |
| 5 | MSFT Microsoft Corp | Technology | 2,054 | $766.26K | 6.84% | -104 | -4.8% | Reduced | 0% |
| 6 | GOOG Alphabet Inc. | Technology | 1,856 | $655.85K | 5.86% | 0 | 0.0% | Unchanged | 0% |
| 7 | ACI Albertsons Companies, Inc. | Consumer Staples | 42.7K | $577.32K | 5.16% | +451 | +1.1% | Added | 0.01% |
| 8 | GOOGL Alphabet Inc. | Technology | 1,436 | $513.26K | 4.58% | -98 | -6.4% | Reduced | 0% |
| 9 | COST Costco Wholesale Corp | Consumer Staples | 419 | $391.86K | 3.5% | -8 | -1.9% | Reduced | 0% |
| 10 | AMZN Amazon Com Inc | Consumer Discretionary | 1,540 | $367.04K | 3.28% | -130 | -7.8% | Reduced | 0% |
| 11 | LLY ELI LILLY & Co | Healthcare | 270 | $324.17K | 2.89% | -15 | -5.3% | Reduced | 0% |
| 12 | HD Home Depot, Inc. | Consumer Discretionary | 790 | $278.75K | 2.49% | -29 | -3.5% | Reduced | 0% |
| 13 | LRCX Lam Research Corp | Technology | 640 | $277.51K | 2.48% | +640 | – | New | 0% |
| 14 | V Visa Inc. | Financial Services | 727 | $249.29K | 2.23% | -65 | -8.2% | Reduced | 0% |
| 15 | TSM Taiwan Semiconductor Manufacturing Co Ltd | Technology | 511 | $244.10K | 2.18% | -90 | -15.0% | Reduced | 0% |
Tip. Select a row to see that position’s full history at Mason Investment Advisory Services.
As of its Q2 2026 13F filing, Mason Investment Advisory Services, Inc.’s five largest positions were ExxonMobil Holdings Corp (XOM) at 19.8%, Chevron Corp (CVX) at 14.6%, Apple Inc. (AAPL) at 12.0%, Arista Networks, Inc. (ANET) at 7.5%, Microsoft Corp (MSFT) at 6.8% of the reported portfolio.
Mason Investment Advisory Services, Inc. reported a 13F portfolio worth $11.20M across 18 positions for Q2 2026. That is down 6.4% from the previous quarter.
Its largest purchases by value were Lam Research Corp ($277.51K), Albertsons Companies, Inc. ($6.10K). It opened 1 new positions.
Its largest sales by value were Ingredion Inc ($231.12K), Intuit Inc. ($217.47K), Apple Inc. ($91.73K). It exited 2 positions entirely.
From the Form 13F-HR reports Mason Investment Advisory Services, Inc. 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.