Austin Asset Management Co Inc
In its 13F for Q4 2025 (holdings as of December 31, 2025, filed February 4, 2026), Austin Asset Management Co Inc reported 75 stock positions worth $584.9 million. Its top holding was Dimensional US Core Equity 2 (DFAC) at 27.3% of the portfolio, followed by Nvidia (NVDA, 15.7%) and Dimensional US Eq MKT ETF (DFUS, 12.0%). Compared with Q3 2025, it opened 5 new positions, sold out of 3, added to 27 and reduced 25. The biggest buy was Nvidia (NVDA, shares +111%) and the biggest sale Dimensional US Core Equity 2 (DFAC, shares −1%).
- Most Recent 13F
- Q2 2026
- Location
- AUSTIN, TX
- CIK
- 0001902024
- Portfolio Value
- $584.9M (Q4 2025)
- SEC Filing
- 0001902024-26-000001 ↗ filed Feb 4, 2026
Holdings Value
Holdings 75 stocks · $584.9M
| DFAC Dimensional US Core Equity 2 | 27.30% | 4,033,193 | $159.7M | Reduce -1.2% |
| NVDA Nvidia Corp. | 15.72% | 492,891 | $91.9M | Add +111.0% |
| DFUS Dimensional US Eq MKT ETF | 12.04% | 949,391 | $70.4M | Reduce -0.7% |
| DFAS Dimensional US Small Cap ETF | 5.63% | 472,914 | $32.9M | Reduce -1.1% |
| STIP iShares 0-5 Year Tips Bond E | 5.08% | 290,086 | $29.7M | Add +0.8% |
| VNQ Vanguard Real Estate ETF | 3.35% | 221,295 | $19.6M | Add +2.6% |
| DFUV Dimensional US Marketwide Va | 2.64% | 331,156 | $15.4M | Reduce -0.5% |
| DFIC Dimensional International Co. | 2.56% | 435,139 | $15.0M | Add +0.0% |
| DFLV Dim US Large Cap Value ETF | 2.52% | 430,083 | $14.7M | Add +0.4% |
| BIV Vanguard Intermediate-Term B | 2.46% | 184,525 | $14.4M | Add +15.5% |
| DUHP Dimensional US High Profi Et | 2.42% | 372,830 | $14.2M | Add +2.8% |
| BSV Vanguard Short-Term Bond ETF | 2.37% | 175,964 | $13.9M | Reduce -3.7% |
| DFIV Dimensional International Va | 1.81% | 211,643 | $10.6M | Reduce -0.7% |
| AVUV Avantis US Small Cap Value | 1.69% | 97,045 | $9.9M | Reduce -0.1% |
| DFAT Dimensional US Target Value | 1.60% | 156,761 | $9.3M | Reduce -1.9% |
| AAPL Apple Inc. | 1.06% | 22,865 | $6.2M | Reduce -2.8% |
| VTIP Vanguard Short-Term Tips | 0.83% | 97,902 | $4.8M | Reduce -7.8% |
| SPY SS SPDR S&P 500 ETF Trust-US | 0.82% | 7,016 | $4.8M | Add +1.5% |
| LLY Eli Lilly & Co. | 0.61% | 3,334 | $3.6M | Reduce -7.8% |
| AVDE Avantis International Equity | 0.55% | 39,380 | $3.2M | Reduce -11.2% |
| DIHP Dimensional International Hi | 0.46% | 84,916 | $2.7M | Add +3.4% |
| DFEM Dimensional Emrg MRKT Core | 0.45% | 80,114 | $2.7M | Add +7.6% |
| DFIS Dimensional International SM | 0.40% | 71,595 | $2.4M | Reduce -3.5% |
| IVV iShares Core S&P 500 ETF | 0.34% | 2,944 | $2.0M | Add +6.7% |
| DELL Dell Technologies -C | 0.33% | 15,550 | $2.0M | New |
| DFSV Dimensional US Small Cap Val | 0.27% | 47,513 | $1.6M | Add +2.8% |
| MSFT Microsoft Corp. | 0.25% | 2,964 | $1.4M | Reduce -0.2% |
| AMZN Amazon.com Inc. | 0.24% | 6,086 | $1.4M | Reduce -9.4% |
| PRF Invesco Rafi US 1000 ETF | 0.19% | 24,266 | $1.1M | No change |
| GOOGL Alphabet Inc. Class A | 0.19% | 3,466 | $1.1M | Add +3.0% |
| GBX Greenbrier Companies Inc. | 0.17% | 21,403 | $1.0M | Add +0.9% |
| FFIN First Finl Bankshares Inc. | 0.17% | 32,598 | $974K | No change |
| CP Canadian Pacific Kansas City | 0.16% | 12,843 | $946K | No change |
| RSP Invesco S&P 500 Equal Weight | 0.15% | 4,451 | $853K | Add +1.8% |
| AESI Atlas Energy Solutions Inc. | 0.14% | 90,000 | $848K | No change |
| TIP iShares Tips Bond ETF | 0.13% | 7,076 | $778K | Add +0.7% |
| VWO Vanguard Ftse Emerging Marke | 0.13% | 14,319 | $770K | Add +2.1% |
| META Meta Platforms Inc. Class A | 0.13% | 1,148 | $758K | Add +8.9% |
| GOOG Alphabet Inc. Class C | 0.12% | 2,298 | $721K | Reduce -0.3% |
| XOM Exxon Mobil Corp. | 0.12% | 5,771 | $694K | Add +23.1% |
| DFAW Dimensional World Eqty ETF | 0.12% | 9,374 | $693K | No change |
| VTV Vanguard Mrngstr Val ETF-Aui | 0.12% | 3,573 | $682K | Add +11.4% |
| EFA iShares MSCI Eafe ETF | 0.11% | 6,952 | $668K | No change |
| IWF iShares Russell 1000 Growth | 0.11% | 1,384 | $655K | Add +23.5% |
| DISV Dimensional International SM | 0.11% | 17,124 | $651K | Reduce -10.9% |
| TSLA Tesla Inc. | 0.11% | 1,416 | $637K | Add +0.8% |
| BCI Abrdn Bloomberg All Commodit filed as ABRDN ETFS | 0.10% | 28,945 | $565K | Reduce -7.9% |
| DFAR Dimensional US Real Est ETF | 0.09% | 22,600 | $518K | No change |
| IWD iShares Russell 1000 Value E | 0.09% | 2,401 | $505K | No change |
| V Visa Inc. Class A | 0.08% | 1,382 | $485K | Add +17.5% |
| AVSU Avantis Resp US Equity ETF | 0.08% | 6,270 | $478K | No change |
| TSM Taiwan Semiconductor-SP ADR | 0.08% | 1,480 | $450K | No change |
| VEA Vanguard Ftse Developed ETF | 0.08% | 7,133 | $446K | Add +29.2% |
| WMT Walmart Inc. | 0.07% | 3,778 | $421K | No change |
| NUTX Nutex Health Inc. | 0.07% | 2,537 | $418K | Add +1.4% |
| DFSD Dimensional Short Duration | 0.07% | 8,490 | $407K | No change |
| AVEM Avantis Emerging Markets Eq | 0.06% | 4,879 | $376K | Reduce -21.9% |
| AVUS Avantis U.S. Equity ETF | 0.06% | 3,227 | $361K | Reduce -63.8% |
| HXL Hexcel Corp. | 0.06% | 4,600 | $340K | No change |
| SCHV Schwab US Large-Cap Value | 0.06% | 11,439 | $339K | Reduce -2.7% |
| HD Home Depot Inc. | 0.06% | 946 | $325K | Add +1.1% |
| JPM JPMorgan Chase & Co. | 0.05% | 955 | $308K | Reduce -7.1% |
| IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS | 0.05% | 1,016 | $301K | No change |
| DFSU Dimensional US Sus CORE1 ETF | 0.05% | 6,785 | $295K | No change |
| NFLX Netflix Inc. | 0.05% | 3,110 | $292K | Reduce -1.0% |
| IEFA iShares Core MSCI Eafe ETF | 0.05% | 3,117 | $279K | Reduce -12.7% |
| AVSD Avantis Reps Intern Equi ETF | 0.04% | 3,480 | $258K | No change |
| BRK.B Berkshire Hathaway Inc. Class B | 0.04% | 503 | $253K | Reduce -3.1% |
| UPS United Parcel Service Class B | 0.04% | 2,535 | $251K | Add +1.2% |
| JNJ Johnson & Johnson | 0.04% | 1,201 | $249K | New |
| IEMG iShares Core MSCI Emerging | 0.04% | 3,547 | $238K | New |
| AFL Aflac Inc. | 0.04% | 2,078 | $229K | No change |
| VTI VG Morningstar TS MKT ETF-US | 0.04% | 674 | $226K | New |
| SPOT Spotify Technology SA | 0.04% | 382 | $222K | No change |
| VUG Vanguard Mrngstar GR ETF-Sui | 0.03% | 415 | $202K | New |
Lines left out (1) · $23.8M — a value with no share or principal amount
| Security | Class | Shares | Value |
|---|---|---|---|
| CASH Pathward Financial Inc. | COM | 0 | $23.8M |
Filed with a value but no share or principal amount (a cash line, a holding rounded to 0 shares), so they are kept out of the holdings, totals and percentages.
Total filed on the 13F, all lines: $608.7M.
Portfolio Sells Q3 2025 → Q4 2025
| DFAC Dimensional US Core Equity 2 | Reduce -1.2% | 27.30% | −2.68 |
| DFUS Dimensional US Eq MKT ETF | Reduce -0.7% | 12.04% | −1.15 |
| DFAS Dimensional US Small Cap ETF | Reduce -1.1% | 5.63% | −0.60 |
| BSV Vanguard Short-Term Bond ETF | Reduce -3.7% | 2.37% | −0.37 |
| VTIP Vanguard Short-Term Tips | Reduce -7.8% | 0.83% | −0.20 |
| DFUV Dimensional US Marketwide Va | Reduce -0.5% | 2.64% | −0.19 |
| DFAT Dimensional US Target Value | Reduce -1.9% | 1.60% | −0.17 |
| AVUV Avantis US Small Cap Value | Reduce -0.1% | 1.69% | −0.15 |
| AVUS Avantis U.S. Equity ETF | Reduce -63.8% | 0.06% | −0.12 |
| AVDE Avantis International Equity | Reduce -11.2% | 0.55% | −0.11 |
| AAPL Apple Inc. | Reduce -2.8% | 1.06% | −0.08 |
| DFIV Dimensional International Va | Reduce -0.7% | 1.81% | −0.07 |
| VT Vanguard Tot World STK ETF | Sold out | 0.00% | −0.05 |
| MSFT Microsoft Corp. | Reduce -0.2% | 0.25% | −0.05 |
| DFIS Dimensional International SM | Reduce -3.5% | 0.40% | −0.04 |
| LEN Lennar Corp. Class A | Sold out | 0.00% | −0.04 |
| AMZN Amazon.com Inc. | Reduce -9.4% | 0.24% | −0.04 |
| HACK Amplify Cybersecurity ETF | Sold out | 0.00% | −0.04 |
| BCI Abrdn Bloomberg All Commodit | Reduce -7.9% | 0.10% | −0.03 |
| AVEM Avantis Emerging Markets Eq | Reduce -21.9% | 0.06% | −0.03 |
| NFLX Netflix Inc. | Reduce -1.0% | 0.05% | −0.02 |
| DISV Dimensional International SM | Reduce -10.9% | 0.11% | −0.02 |
| IEFA iShares Core MSCI Eafe ETF | Reduce -12.7% | 0.05% | −0.01 |
| JPM JPMorgan Chase & Co. | Reduce -7.1% | 0.05% | −0.01 |
| SCHV Schwab US Large-Cap Value | Reduce -2.7% | 0.06% | −0.01 |
| BRK.B Berkshire Hathaway Inc. Class B | Reduce -3.1% | 0.04% | −0.01 |
| GOOG Alphabet Inc. Class C | Reduce -0.3% | 0.12% | +0.02 |
| LLY Eli Lilly & Co. | Reduce -7.8% | 0.61% | +0.09 |
Portfolio Buys Q3 2025 → Q4 2025
| NVDA Nvidia Corp. | Add +111.0% | 15.72% | +7.42 |
| DELL Dell Technologies -C | New | 0.33% | +0.33 |
| BIV Vanguard Intermediate-Term B | Add +15.5% | 2.46% | +0.08 |
| JNJ Johnson & Johnson | New | 0.04% | +0.04 |
| IEMG iShares Core MSCI Emerging | New | 0.04% | +0.04 |
| VTI VG Morningstar TS MKT ETF-US | New | 0.04% | +0.04 |
| VUG Vanguard Mrngstar GR ETF-Sui | New | 0.03% | +0.03 |
| GOOGL Alphabet Inc. Class A | Add +3.0% | 0.19% | +0.03 |
| NUTX Nutex Health Inc. | Add +1.4% | 0.07% | +0.02 |
| XOM Exxon Mobil Corp. | Add +23.1% | 0.12% | +0.02 |
| VEA Vanguard Ftse Developed ETF | Add +29.2% | 0.08% | +0.01 |
| IWF iShares Russell 1000 Growth | Add +23.5% | 0.11% | +0.01 |
| V Visa Inc. Class A | Add +17.5% | 0.08% | +0.01 |
| UPS United Parcel Service Class B | Add +1.2% | 0.04% | +0.00 |
| VTV Vanguard Mrngstr Val ETF-Aui | Add +11.4% | 0.12% | +0.00 |
| DFEM Dimensional Emrg MRKT Core | Add +7.6% | 0.45% | −0.00 |
| IVV iShares Core S&P 500 ETF | Add +6.7% | 0.34% | −0.01 |
| TSLA Tesla Inc. | Add +0.8% | 0.11% | −0.01 |
| RSP Invesco S&P 500 Equal Weight | Add +1.8% | 0.15% | −0.01 |
| DFSV Dimensional US Small Cap Val | Add +2.8% | 0.27% | −0.01 |
| VWO Vanguard Ftse Emerging Marke | Add +2.1% | 0.13% | −0.01 |
| GBX Greenbrier Companies Inc. | Add +0.9% | 0.17% | −0.02 |
| DIHP Dimensional International Hi | Add +3.4% | 0.46% | −0.02 |
| TIP iShares Tips Bond ETF | Add +0.7% | 0.13% | −0.02 |
| HD Home Depot Inc. | Add +1.1% | 0.06% | −0.02 |
| META Meta Platforms Inc. Class A | Add +8.9% | 0.13% | −0.02 |
| SPY SS SPDR S&P 500 ETF Trust-US | Add +1.5% | 0.82% | −0.06 |
| DFIC Dimensional International Co. | Add +0.0% | 2.56% | −0.15 |
| DFLV Dim US Large Cap Value ETF | Add +0.4% | 2.52% | −0.17 |
| DUHP Dimensional US High Profi Et | Add +2.8% | 2.42% | −0.18 |
| VNQ Vanguard Real Estate ETF | Add +2.6% | 3.35% | −0.41 |
| STIP iShares 0-5 Year Tips Bond E | Add +0.8% | 5.08% | −0.59 |
All Filings
| Quarter | Positions | 13F Reported Value | Top Holdings |
|---|---|---|---|
| Q2 2026 | 93 | $700.9M | DFAC, NVDA, DFUS, DFAS, STIP |
| Q1 2026 | 84 | $592.8M | DFAC, NVDA, DFUS, DFAS, STIP |
| Q4 2025 | 75 | $584.9M | DFAC, NVDA, DFUS, DFAS, STIP |
| Q3 2025 | 73 | $525.2M | DFAC, DFUS, NVDA, DFAS, STIP |
| Q2 2025 | 73 | $493.9M | DFAC, DFUS, NVDA, DFAS, STIP |
| Q1 2025 | 76 | $456.5M | DFAC, DFUS, STIP, DFAS, NVDA |
| Q4 2024 | 70 | $480.2M | DFAC, DFUS, NVDA, DFAS, STIP |
| Q3 2024 | 66 | $491.0M | DFAC, DFUS, NVDA, DFAS, STIP |
| Q2 2024 | 65 | $470.1M | DFAC, DFUS, NVDA, DFAS, STIP |
| Q1 2024 | 63 | $455.1M | DFAC, NVDA, DFUS, DFAS, STIP |