Austin Asset Management Co Inc

In its 13F for Q2 2026 (holdings as of June 30, 2026, filed July 31, 2026), Austin Asset Management Co Inc reported 93 stock positions worth $700.9 million. Its top holding was Dimensional US Core Equity 2 (DFAC) at 25.4% of the portfolio, followed by Nvidia (NVDA, 17.6%) and Dimensional US Eq MKT ETF (DFUS, 11.0%). Compared with Q1 2026, it opened 13 new positions, sold out of 4, added to 28 and reduced 25. The biggest buy was Nvidia (NVDA, shares +25%) and the biggest sale Dimensional US Core Equity 2 (DFAC, shares −1%).

Most Recent 13F
Q2 2026
Location
AUSTIN, TX
CIK
0001902024
Portfolio Value
$700.9M (Q2 2026)
SEC Filing
0001902024-26-000003 ↗ filed Jul 31, 2026

Holdings Value

0$200.0M$400.0M$600.0M$800.0M Q1 2024: $455.1M Q1 2024 Q2 2024: $470.1M Q2 2024 Q3 2024: $491.0M Q3 2024 Q4 2024: $480.2M Q4 2024 Q1 2025: $456.5M Q1 2025 Q2 2025: $493.9M Q2 2025 Q3 2025: $525.2M Q3 2025 Q4 2025: $584.9M Q4 2025 Q1 2026: $592.8M Q1 2026 Q2 2026: $700.9M $700.9M Q2 2026

Holdings 93 stocks · $700.9M
DFAC Dimensional US Core Equity 2 25.37% 4,009,061 $177.8M Reduce -0.8%
NVDA Nvidia Corp. 17.60% 616,565 $123.4M Add +24.8%
DFUS Dimensional US Eq MKT ETF 11.00% 941,091 $77.1M Add +0.4%
DFAS Dimensional US Small Cap ETF 5.26% 447,771 $36.9M Reduce -3.2%
STIP iShares 0-5 Year Tips Bond E 5.20% 356,912 $36.5M Add +14.9%
BIV Vanguard Intermediate-Term B 3.91% 356,896 $27.4M Add +16.4%
VNQ Vanguard Real Estate ETF 3.34% 242,559 $23.4M Add +2.5%
DFUV Dimensional US Marketwide Va 2.54% 323,879 $17.8M Reduce -0.8%
DFLV Dim US Large Cap Value ETF 2.44% 432,061 $17.1M Reduce -0.0%
DUHP Dimensional US High Profi Et 2.36% 396,161 $16.5M Add +2.7%
DFIC Dimensional International Co. 2.31% 434,237 $16.2M Reduce -0.1%
AVUV Avantis US Small Cap Value 1.71% 96,183 $12.0M No change
DFIV Dimensional International Va 1.57% 203,381 $11.0M Reduce -0.4%
DFAT Dimensional US Target Value 1.46% 146,543 $10.2M Reduce -2.2%
BSV Vanguard Short-Term Bond ETF 1.16% 104,749 $8.2M Reduce -6.0%
DELL Dell Technologies -C 1.12% 18,219 $7.9M Add +2.5%
AAPL Apple Inc. 1.03% 24,868 $7.2M Add +0.6%
UPS United Parcel Service Class B 0.86% 55,919 $6.0M Reduce -9.7%
SPY SS SPDR S&P 500 ETF Trust-US 0.77% 7,203 $5.4M Reduce -1.0%
VTIP Vanguard Short-Term Tips 0.61% 85,089 $4.3M Add +3.9%
LLY Eli Lilly & Co. 0.54% 3,150 $3.8M No change
AVDE Avantis International Equity 0.44% 34,439 $3.1M Reduce -6.2%
DFEM Dimensional Emrg MRKT Core 0.43% 74,237 $3.0M Reduce -5.6%
DIHP Dimensional International Hi 0.42% 87,181 $3.0M Reduce -0.1%
DFIS Dimensional International SM 0.37% 73,769 $2.6M Add +3.7%
AMZN Amazon.com Inc. 0.36% 10,691 $2.5M Add +85.3%
IVV iShares Core S&P 500 ETF 0.36% 3,387 $2.5M Add +13.3%
GOOG Alphabet Inc. Class C 0.30% 5,978 $2.1M Add +103.7%
DFSV Dimensional US Small Cap Val 0.26% 46,733 $1.8M Reduce -1.6%
GOOGL Alphabet Inc. Class A 0.22% 4,317 $1.5M Add +4.7%
GBX Greenbrier Companies Inc. 0.19% 27,196 $1.3M No change
PRF Invesco Rafi US 1000 ETF 0.19% 24,266 $1.3M No change
DFAW Dimensional World Eqty ETF 0.18% 15,000 $1.2M Add +20.9%
MSFT Microsoft Corp. 0.17% 3,253 $1.2M Reduce -3.7%
FFIN First Finl Bankshares Inc. 0.16% 32,598 $1.1M No change
CP Canadian Pacific Kansas City 0.16% 12,843 $1.1M No change
RSP Invesco S&P 500 Equal Weight 0.13% 4,371 $930K No change
VTI VG Morningstar TS MKT ETF-US 0.12% 2,312 $856K Add +50.4%
AMD Advanced Micro Devices 0.12% 1,462 $849K Reduce -47.1%
VWO Vanguard Ftse Emerging Marke 0.12% 14,115 $843K Reduce -1.4%
AESI Atlas Energy Solutions Inc. 0.12% 50,000 $831K Reduce -44.4%
VTV Vanguard Mrngstr Val ETF-Aui 0.11% 3,523 $768K No change
EFA iShares MSCI Eafe ETF 0.11% 7,352 $764K Add +4.9%
AVGO Broadcom Inc. 0.11% 1,960 $740K Add +197.9%
TSM Taiwan Semiconductor-SP ADR 0.10% 1,521 $726K Add +2.8%
DISV Dimensional International SM 0.10% 17,283 $694K Add +7.2%
BRK.B Berkshire Hathaway Inc. Class B 0.10% 1,346 $674K Add +108.4%
META Meta Platforms Inc. Class A 0.09% 1,172 $660K No change
BCI Abrdn Bloomberg All Commodit filed as ABRDN ETFS 0.09% 29,020 $648K No change
TSLA Tesla Inc. 0.09% 1,452 $611K No change
AVEM Avantis Emerging Markets Eq 0.09% 6,210 $599K Add +36.8%
IWD iShares Russell 1000 Value E 0.08% 2,361 $572K No change
TFC Truist Financial Corp. 0.08% 11,309 $563K No change
DFAR Dimensional US Real Est ETF 0.08% 21,000 $549K No change
V Visa Inc. Class A 0.08% 1,546 $530K Add +11.9%
AVSU Avantis Resp US Equity ETF 0.07% 5,910 $523K No change
VEA Vanguard Ftse Developed ETF 0.07% 7,243 $516K Add +1.5%
IWF iShares Russell 1000 Growth 0.07% 3,827 $475K Reduce -1.7%
WMT Walmart Inc. 0.07% 4,089 $463K Add +7.9%
HXL Hexcel Corp. 0.07% 4,600 $460K No change
NUTX Nutex Health Inc. 0.06% 2,523 $431K No change
AVUS Avantis U.S. Equity ETF 0.06% 3,299 $423K No change
CAT Caterpillar Inc. 0.06% 387 $412K Reduce -37.0%
SCHV Schwab US Large-Cap Value 0.06% 11,439 $398K No change
AMAT Applied Materials Inc. 0.06% 547 $395K New
IEMG iShares Core MSCI Emerging 0.05% 4,331 $359K Add +22.1%
DFSD Dimensional Short Duration 0.05% 7,510 $359K Reduce -11.5%
HD Home Depot Inc. 0.05% 936 $330K Reduce -2.4%
COST Costco Wholesale Corp. 0.05% 344 $322K No change
DFSU Dimensional US Sus CORE1 ETF 0.05% 6,785 $316K No change
ADP Automatic Data Processing 0.04% 1,375 $308K New
RKLB Rocket Lab Corp. 0.04% 3,000 $305K New
JPM JPMorgan Chase & Co. 0.04% 931 $305K Reduce -2.3%
TIP iShares Tips Bond ETF 0.04% 2,762 $302K No change
IEFA iShares Core MSCI Eafe ETF 0.04% 3,117 $301K No change
IBM Intl Business Machines Corp. filed as INTERNATIONAL BUSINESS MACHS 0.04% 1,030 $290K No change
JNJ Johnson & Johnson 0.04% 1,111 $282K Reduce -2.6%
IWM iShares Russell 2000 ETF 0.04% 937 $281K Add +0.1%
SCHF Schwab Intl Equity ETF 0.04% 9,699 $269K New
VUG Vanguard Mrngstar GR ETF-Sui 0.04% 3,075 $265K New
HACK Amplify Cybersecurity ETF 0.04% 2,366 $248K New
AMGN Amgen Inc. 0.04% 677 $245K Add +8.2%
SOXX iShares Semiconductor ETF 0.03% 382 $245K New
AFL Aflac Inc. 0.03% 2,078 $244K No change
QQQ Invesco QQQ Trust Series 1 0.03% 327 $241K New
AVSD Avantis Reps Intern Equi ETF 0.03% 2,880 $230K No change
IVW iShares S&P 500 Growth ETF 0.03% 1,670 $230K New
NFLX Netflix Inc. 0.03% 3,110 $222K Reduce -7.2%
GLW Corning Inc. 0.03% 850 $217K New
DGCB Dimensional Global Credit 0.03% 3,940 $215K No change
HUM Humana Inc. 0.03% 522 $207K New
VGT Vanguard Info Tech ETF 0.03% 1,728 $207K New
BIL SS SPDR BB 1-3M T-Bill ETF 0.03% 2,188 $201K New
Lines left out (1) · $16.6M — a value with no share or principal amount
SecurityClassSharesValue
CASH Pathward Financial Inc. COM0$16.6M

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: $717.5M.

Portfolio Sells Q1 2026 → Q2 2026
DFAC Dimensional US Core Equity 2 Reduce -0.8% 25.37% −1.13
BSV Vanguard Short-Term Bond ETF Reduce -6.0% 1.16% −0.31
DFIC Dimensional International Co. Reduce -0.1% 2.31% −0.30
DFAS Dimensional US Small Cap ETF Reduce -3.2% 5.26% −0.29
XOM Exxon Mobil Corp. Sold out 0.00% −0.28
DFIV Dimensional International Va Reduce -0.4% 1.57% −0.25
UPS United Parcel Service Class B Reduce -9.7% 0.86% −0.17
DFLV Dim US Large Cap Value ETF Reduce -0.0% 2.44% −0.17
DFUV Dimensional US Marketwide Va Reduce -0.8% 2.54% −0.13
DFAT Dimensional US Target Value Reduce -2.2% 1.46% −0.12
AVDE Avantis International Equity Reduce -6.2% 0.44% −0.09
AESI Atlas Energy Solutions Inc. Reduce -44.4% 0.12% −0.08
F Ford Motor Co. Sold out 0.00% −0.06
DIHP Dimensional International Hi Reduce -0.1% 0.42% −0.05
SHEL Shell PLC-ADR Sold out 0.00% −0.04
MSFT Microsoft Corp. Reduce -3.7% 0.17% −0.04
SPY SS SPDR S&P 500 ETF Trust-US Reduce -1.0% 0.77% −0.03
DFEM Dimensional Emrg MRKT Core Reduce -5.6% 0.43% −0.03
NFLX Netflix Inc. Reduce -7.2% 0.03% −0.02
DFSV Dimensional US Small Cap Val Reduce -1.6% 0.26% −0.02
DFSD Dimensional Short Duration Reduce -11.5% 0.05% −0.02
CAT Caterpillar Inc. Reduce -37.0% 0.06% −0.01
LAC Lithium Americas Corp. Sold out 0.00% −0.01
VWO Vanguard Ftse Emerging Marke Reduce -1.4% 0.12% −0.01
JNJ Johnson & Johnson Reduce -2.6% 0.04% −0.01
HD Home Depot Inc. Reduce -2.4% 0.05% −0.01
JPM JPMorgan Chase & Co. Reduce -2.3% 0.04% −0.00
IWF iShares Russell 1000 Growth Reduce -1.7% 0.07% −0.00
AMD Advanced Micro Devices Reduce -47.1% 0.12% +0.03

Portfolio Buys Q1 2026 → Q2 2026
NVDA Nvidia Corp. Add +24.8% 17.60% +3.07
DELL Dell Technologies -C Add +2.5% 1.12% +0.63
AMZN Amazon.com Inc. Add +85.3% 0.36% +0.16
GOOG Alphabet Inc. Class C Add +103.7% 0.30% +0.16
AVGO Broadcom Inc. Add +197.9% 0.11% +0.07
AMAT Applied Materials Inc. New 0.06% +0.06
ADP Automatic Data Processing New 0.04% +0.04
BRK.B Berkshire Hathaway Inc. Class B Add +108.4% 0.10% +0.04
RKLB Rocket Lab Corp. New 0.04% +0.04
VTI VG Morningstar TS MKT ETF-US Add +50.4% 0.12% +0.04
SCHF Schwab Intl Equity ETF New 0.04% +0.04
VUG Vanguard Mrngstar GR ETF-Sui New 0.04% +0.04
HACK Amplify Cybersecurity ETF New 0.04% +0.04
SOXX iShares Semiconductor ETF New 0.03% +0.03
QQQ Invesco QQQ Trust Series 1 New 0.03% +0.03
IVW iShares S&P 500 Growth ETF New 0.03% +0.03
IVV iShares Core S&P 500 ETF Add +13.3% 0.36% +0.03
GLW Corning Inc. New 0.03% +0.03
HUM Humana Inc. New 0.03% +0.03
VGT Vanguard Info Tech ETF New 0.03% +0.03
BIL SS SPDR BB 1-3M T-Bill ETF New 0.03% +0.03
AVEM Avantis Emerging Markets Eq Add +36.8% 0.09% +0.02
DFAW Dimensional World Eqty ETF Add +20.9% 0.18% +0.02
GOOGL Alphabet Inc. Class A Add +4.7% 0.22% +0.02
TSM Taiwan Semiconductor-SP ADR Add +2.8% 0.10% +0.02
IEMG iShares Core MSCI Emerging Add +22.1% 0.05% +0.01
V Visa Inc. Class A Add +11.9% 0.08% +0.01
IWM iShares Russell 2000 ETF Add +0.1% 0.04% +0.00
AMGN Amgen Inc. Add +8.2% 0.04% −0.00
VEA Vanguard Ftse Developed ETF Add +1.5% 0.07% −0.00
EFA iShares MSCI Eafe ETF Add +4.9% 0.11% −0.01
DISV Dimensional International SM Add +7.2% 0.10% −0.01
WMT Walmart Inc. Add +7.9% 0.07% −0.01
AAPL Apple Inc. Add +0.6% 1.03% −0.03
DUHP Dimensional US High Profi Et Add +2.7% 2.36% −0.03
DFIS Dimensional International SM Add +3.7% 0.37% −0.04
VTIP Vanguard Short-Term Tips Add +3.9% 0.61% −0.08
BIV Vanguard Intermediate-Term B Add +16.4% 3.91% −0.09
VNQ Vanguard Real Estate ETF Add +2.5% 3.34% −0.20
DFUS Dimensional US Eq MKT ETF Add +0.4% 11.00% −0.21
STIP iShares 0-5 Year Tips Bond E Add +14.9% 5.20% −0.22

All Filings

QuarterPositions13F Reported ValueTop Holdings
Q2 2026 93$700.9MDFAC, NVDA, DFUS, DFAS, STIP
Q1 2026 84$592.8MDFAC, NVDA, DFUS, DFAS, STIP
Q4 2025 75$584.9MDFAC, NVDA, DFUS, DFAS, STIP
Q3 2025 73$525.2MDFAC, DFUS, NVDA, DFAS, STIP
Q2 2025 73$493.9MDFAC, DFUS, NVDA, DFAS, STIP
Q1 2025 76$456.5MDFAC, DFUS, STIP, DFAS, NVDA
Q4 2024 70$480.2MDFAC, DFUS, NVDA, DFAS, STIP
Q3 2024 66$491.0MDFAC, DFUS, NVDA, DFAS, STIP
Q2 2024 65$470.1MDFAC, DFUS, NVDA, DFAS, STIP
Q1 2024 63$455.1MDFAC, NVDA, DFUS, DFAS, STIP