Austin Asset Management Co Inc reported 39 positions worth $176.70M for the quarter ended Sep 30, 2026, up 3.4% on the prior quarter. It opened 5 new positions, added to 10, trimmed 13 and exited 4. Its largest holding is Nvidia Corp at 74.5% 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 |
|---|---|---|---|---|
| XOM ExxonMobil Holdings Corp | +5,461 | – | $888.85K | 0.503% |
| LIN Linde Plc | +1,692 | – | $803.23K | 0.455% |
| NTRS Northern Trust Corp | +1,653 | – | $279.95K | 0.158% |
| SHEL Shell plc | +2,464 | – | $234.20K | 0.133% |
| TEAM Atlassian Corp | +1,123 | – | $201.34K | 0.114% |
| LLY ELI LILLY & Co | +103 | +3.3% | $119.19K | 2.13% |
| CAT Caterpillar Inc | +119 | +30.7% | $96.50K | 0.232% |
| JNJ Johnson & Johnson | +157 | +14.1% | $41.56K | 0.19% |
| META Meta Platforms, Inc. | +16 | +1.4% | $11.60K | 0.488% |
| HD Home Depot, Inc. | +34 | +3.6% | $9.67K | 0.156% |
| Holding | Change | Change % | Trade Value | Weight |
|---|---|---|---|---|
| NVDA Nvidia Corp | -40.1K | -6.5% | $9.15M | 74.51% |
| DELL Dell Technologies Inc. | -5,486 | -30.1% | $2.95M | 3.88% |
| GOOG Alphabet Inc. | -3,250 | -54.4% | $1.11M | 0.526% |
| AMZN Amazon Com Inc | -4,263 | -39.9% | $1.06M | 0.906% |
| AMAT Applied Materials Inc | -547 | -100.0% | $395.48K | Exited |
| AAPL Apple Inc. | -1,016 | -4.1% | $338.35K | 4.5% |
| IBM International Business Machines Corp | -1,030 | -100.0% | $289.65K | Exited |
| GLW Corning Inc | -850 | -100.0% | $217.12K | Exited |
| HUM Humana Inc | -522 | -100.0% | $207.35K | Exited |
| FFIN First Financial Bankshares Inc | -5,780 | -17.7% | $183.46K | 0.482% |
| # | Activity | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| 1 | NVDA Nvidia Corp | Technology | 576.5K | $131.66M | 74.51% | -40.1K | -6.5% | Reduced | 0% |
| 2 | AAPL Apple Inc. | Technology | 23.9K | $7.94M | 4.5% | -1,016 | -4.1% | Reduced | 0% |
| 3 | DELL Dell Technologies Inc. | Technology | 12.7K | $6.85M | 3.88% | -5,486 | -30.1% | Reduced | 0% |
| 4 | UPS United Parcel Service Inc | Industrials | 55.9K | $5.23M | 2.96% | 0 | 0.0% | Unchanged | 0.01% |
| 5 | LLY ELI LILLY & Co | Healthcare | 3,253 | $3.76M | 2.13% | +103 | +3.3% | Added | 0% |
| 6 | MSFT Microsoft Corp | Technology | 3,222 | $1.65M | 0.935% | -31 | -1.0% | Reduced | 0% |
| 7 | AMZN Amazon Com Inc | Consumer Discretionary | 6,428 | $1.60M | 0.906% | -4,263 | -39.9% | Reduced | 0% |
| 8 | GOOGL Alphabet Inc. | Technology | 4,234 | $1.46M | 0.824% | -83 | -1.9% | Reduced | 0% |
| 9 | CP Canadian Pacific Kansas City Ltd | Industrials | 12.9K | $1.10M | 0.62% | +31 | +0.2% | Added | 0% |
| 10 | GBX Greenbrier Companies Inc | Industrials | 27.2K | $1.09M | 0.617% | 0 | 0.0% | Unchanged | 0.09% |
| 11 | GOOG Alphabet Inc. | Technology | 2,728 | $929.37K | 0.526% | -3,250 | -54.4% | Reduced | 0% |
| 12 | AMD Advanced Micro Devices Inc | Technology | 1,459 | $892.36K | 0.505% | -3 | -0.2% | Reduced | 0% |
| 13 | XOM ExxonMobil Holdings Corp | Energy | 5,461 | $888.85K | 0.503% | +5,461 | – | New | 0% |
| 14 | META Meta Platforms, Inc. | Technology | 1,188 | $861.51K | 0.488% | +16 | +1.4% | Added | 0% |
| 15 | FFIN First Financial Bankshares Inc | Financial Services | 26.8K | $851.20K | 0.482% | -5,780 | -17.7% | Reduced | 0.02% |
Tip. Select a row to see that position’s full history at Austin Asset Management.
As of its Q3 2026 13F filing, Austin Asset Management Co Inc’s five largest positions were Nvidia Corp (NVDA) at 74.5%, Apple Inc. (AAPL) at 4.5%, Dell Technologies Inc. (DELL) at 3.9%, United Parcel Service Inc (UPS) at 3.0%, ELI LILLY & Co (LLY) at 2.1% of the reported portfolio.
Austin Asset Management Co Inc reported a 13F portfolio worth $176.70M across 39 positions for Q3 2026. That is up 3.4% from the previous quarter.
Its largest purchases by value were ExxonMobil Holdings Corp ($888.85K), Linde Plc ($803.23K), Northern Trust Corp ($279.95K). It opened 5 new positions.
Its largest sales by value were Nvidia Corp ($9.15M), Dell Technologies Inc. ($2.95M), Alphabet Inc. ($1.11M). It exited 4 positions entirely.
From the Form 13F-HR reports Austin Asset Management Co 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.