Austin Asset Management Co Inc — 13F Holdings & Portfolio
CIK 1902024 · latest 13F-HR filed 2026-07-31
Austin Asset Management Co Inc manages $717.5M in 13F-reported U.S. long-equity assets across 94 reported positions as of its 2026-06-30 13F-HR filing. Its largest disclosed positions are DFAC (24.79%), NVDA (17.19%), DFUS (10.75%). Quarter over quarter (versus its 2026-03-31 filing) the fund opened 13 new positions, exited 4, added to 61, and trimmed 8.
AUM is the long-equity portion reported on Form 13F-HR. Excludes short positions, cash, foreign holdings, and non-13F assets. For informational purposes only — not investment advice.
SUITE 315
AUSTIN, TX 78731
$717.5M
Long-equity book
94
Distinct positions
2026-06-30
Filed 2026-07-31
+13 / −4 / ↑61 / ↓8
vs 2026-03-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- NVIDIA CORPORATION$37.2M +43.2%
- DIMENSIONAL ETF TRUST$20.7M +13.2%
- DIMENSIONAL ETF TRUST$10.7M +16.0%
- DELL TECHNOLOGIES INC$4.9M +169.5%
- ISHARES TR$4.3M +13.5%
Top Trims
- VANGUARD BD INDEX FDS-$581.6K -6.7%
- ATLAS ENERGY SOLUTIONS INC-$350.3K -29.7%
- NETFLIX INC.-$100.0K -31.1%
- GREENBRIER COS INC-$99.0K -6.9%
- ABRDN ETFS-$56.6K -8.0%
New Positions
- APPLIED MATLS INC$395.5K
- AUTOMATIC DATA PROCESSING IN$307.9K
- ROCKET LAB CORP$304.9K
- SCHWAB STRATEGIC TR$268.7K
- VANGUARD INDEX FDS$264.9K
Exited Positions
- EXXON MOBIL CORP$1.7M
- FORD MTR CO$360.0K
- SHELL PLC$241.6K
- LITHIUM AMERS CORP NEW$71.1K
Rows tagged Call or Put are options positions, not stock. Per SEC Form 13F-HR, Value shows the notional value of the underlying (shares covered × underlying price), not the option premium. Shares is the number of underlying shares covered (divide by 100 for contract count).
| # | Issuer | Symbol | CUSIP | Value | Weight | Shares | Type |
|---|---|---|---|---|---|---|---|
| 1 | DIMENSIONAL ETF TRUST | DFAC | 25434V708 | $177.8M | 24.79% | 4,009,061 | SH |
| 2 | NVIDIA CORPORATION | NVDA | 67066G104 | $123.4M | 17.19% | 616,565 | SH |
| 3 | DIMENSIONAL ETF TRUST | DFUS | 25434V401 | $77.1M | 10.75% | 941,091 | SH |
| 4 | DIMENSIONAL ETF TRUST | DFAS | 25434V500 | $36.9M | 5.14% | 447,771 | SH |
| 5 | ISHARES TR | STIP | 46429B747 | $36.5M | 5.08% | 356,912 | SH |
| 6 | VANGUARD BD INDEX FDS | BIV | 921937819 | $27.4M | 3.82% | 356,896 | SH |
| 7 | VANGUARD INDEX FDS | VNQ | 922908553 | $23.4M | 3.26% | 242,559 | SH |
| 8 | DIMENSIONAL ETF TRUST | DFUV | 25434V724 | $17.8M | 2.48% | 323,879 | SH |
| 9 | DIMENSIONAL ETF TRUST | DFLV | 25434V666 | $17.1M | 2.38% | 432,061 | SH |
| 10 | PATHWARD FINANCIAL INC | CASH | 59100U108 | $16.6M | 2.31% | 0 | SH |
| 11 | DIMENSIONAL ETF TRUST | DUHP | 25434V831 | $16.5M | 2.30% | 396,161 | SH |
| 12 | DIMENSIONAL ETF TRUST | DFIC | 25434V799 | $16.2M | 2.25% | 434,237 | SH |
| 13 | AMERICAN CENTY ETF TR | AVUV | 025072877 | $12.0M | 1.67% | 96,183 | SH |
| 14 | DIMENSIONAL ETF TRUST | DFIV | 25434V807 | $11.0M | 1.53% | 203,381 | SH |
| 15 | DIMENSIONAL ETF TRUST | DFAT | 25434V609 | $10.2M | 1.43% | 146,543 | SH |
| 16 | VANGUARD BD INDEX FDS | BSV | 921937827 | $8.2M | 1.14% | 104,749 | SH |
| 17 | DELL TECHNOLOGIES INC | DELL | 24703L202 | $7.9M | 1.10% | 18,219 | SH |
| 18 | APPLE INC | AAPL | 037833100 | $7.2M | 1.00% | 24,868 | SH |
| 19 | UNITED PARCEL SVCS INC | UPS | 911312106 | $6.0M | 0.84% | 55,919 | SH |
| 20 | STATE STR SPDR S&P 500 ETF T | SPY | 78462F103 | $5.4M | 0.75% | 7,203 | SH |
| 21 | VANGUARD MALVERN FDS | VTIP | 922020805 | $4.3M | 0.60% | 85,089 | SH |
| 22 | ELI LILLY & CO | LLY | 532457108 | $3.8M | 0.53% | 3,150 | SH |
| 23 | AMERICAN CENTY ETF TR | AVDE | 025072703 | $3.1M | 0.43% | 34,439 | SH |
| 24 | DIMENSIONAL ETF TRUST | DFEM | 25434V732 | $3.0M | 0.42% | 74,237 | SH |
| 25 | DIMENSIONAL ETF TRUST | DIHP | 25434V765 | $3.0M | 0.41% | 87,181 | SH |
| 26 | DIMENSIONAL ETF TRUST | DFIS | 25434V773 | $2.6M | 0.36% | 73,769 | SH |
| 27 | AMAZON COM INC | AMZN | 023135106 | $2.5M | 0.36% | 10,691 | SH |
| 28 | ISHARES TR | IVV | 464287200 | $2.5M | 0.35% | 3,387 | SH |
| 29 | ALPHABET INC | GOOG | 02079K107 | $2.1M | 0.29% | 5,978 | SH |
| 30 | DIMENSIONAL ETF TRUST | DFSV | 25434V815 | $1.8M | 0.25% | 46,733 | SH |
| 31 | ALPHABET INC | GOOGL | 02079K305 | $1.5M | 0.22% | 4,317 | SH |
| 32 | GREENBRIER COS INC | GBX | 393657101 | $1.3M | 0.19% | 27,196 | SH |
| 33 | INVESCO EXCHANGE TRADED FD T | PRF | 46137V613 | $1.3M | 0.18% | 24,266 | SH |
| 34 | DIMENSIONAL ETF TRUST | DFAW | 25434V617 | $1.2M | 0.17% | 15,000 | SH |
| 35 | MICROSOFT CORP | MSFT | 594918104 | $1.2M | 0.17% | 3,253 | SH |
| 36 | FIRST FINL BANKSHARES INC | FFIN | 32020R109 | $1.1M | 0.16% | 32,598 | SH |
| 37 | CANADIAN PACIFIC KANSAS CITY | CP | 13646K108 | $1.1M | 0.16% | 12,843 | SH |
| 38 | INVESCO EXCHANGE TRADED FD T | RSP | 46137V357 | $930.0K | 0.13% | 4,371 | SH |
| 39 | VANGUARD INDEX FDS | VTI | 922908769 | $855.6K | 0.12% | 2,312 | SH |
| 40 | ADVANCED MICRO DEVICES INC | AMD | 007903107 | $849.3K | 0.12% | 1,462 | SH |
| 41 | VANGUARD INTL EQUITY INDEX F | VWO | 922042858 | $842.5K | 0.12% | 14,115 | SH |
| 42 | ATLAS ENERGY SOLUTIONS INC | AESI | 642045108 | $830.5K | 0.12% | 50,000 | SH |
| 43 | VANGUARD INDEX FDS | VTV | 922908744 | $767.8K | 0.11% | 3,523 | SH |
| 44 | ISHARES TR | EFA | 464287465 | $763.7K | 0.11% | 7,352 | SH |
| 45 | BROADCOM INC | AVGO | 11135F101 | $740.5K | 0.10% | 1,960 | SH |
| 46 | TAIWAN SEMICONDUCTOR MANUFAC | TSM | 874039100 | $726.4K | 0.10% | 1,521 | SH |
| 47 | DIMENSIONAL ETF TRUST | DISV | 25434V781 | $693.6K | 0.10% | 17,283 | SH |
| 48 | BERKSHIRE HATHAWAY INC DEL | BRK.B | 084670702 | $673.5K | 0.09% | 1,346 | SH |
| 49 | META PLATFORMS INC | META | 30303M102 | $660.2K | 0.09% | 1,172 | SH |
| 50 | ABRDN ETFS | BCI | 003261104 | $648.3K | 0.09% | 29,020 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-06-30 | 2026-07-31 | $717.5M | 94 | 0001902024-26-000003 |
| 2026-03-31 | 2026-04-29 | $608.3M | 85 | 0001902024-26-000002 |
| 2025-12-31 | 2026-02-04 | $608.7M | 76 | 0001902024-26-000001 |