Austin Asset Management Co Inc — 13F Holdings & Portfolio
CIK 1902024 · latest 13F-HR filed 2026-04-29
Austin Asset Management Co Inc manages $608.3M in 13F-reported U.S. long-equity assets across 85 reported positions as of its 2026-03-31 13F-HR filing. Its largest disclosed positions are DFAC (25.83%), NVDA (14.16%), DFUS (10.92%). Quarter over quarter (versus its 2025-12-31 filing) the fund opened 11 new positions, exited 2, added to 22, and trimmed 19.
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.
$608.3M
Long-equity book
85
Distinct positions
2026-03-31
Filed 2026-04-29
+11 / −2 / ↑22 / ↓19
vs 2025-12-31
| Name | Title / Status | Ownership | Type |
|---|
Top Adds (vs prior quarter)
- VANGUARD BD INDEX FDS$9.3M +64.6%
- UNITED PARCEL SVCS INC$5.8M +2322.4%
- ISHARES TR$2.4M +8.1%
- VANGUARD INDEX FDS$1.4M +7.2%
- EXXON MOBIL CORP$963.9K +138.8%
Top Trims
- PATHWARD FINANCIAL INC-$8.2M -34.7%
- NVIDIA CORPORATION-$5.8M -6.3%
- VANGUARD BD INDEX FDS-$5.1M -37.0%
- DIMENSIONAL ETF TRUST-$4.0M -5.6%
- VANGUARD MALVERN FDS-$753.2K -15.6%
New Positions
- ADVANCED MICRO DEVICES INC$561.9K
- TRUIST FINL CORP$519.9K
- CATERPILLAR INC$434.8K
- FORD MTR CO$360.0K
- COSTCO WHOLESALE CORPORATION$343.0K
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 | $157.1M | 25.83% | 4,042,822 | SH |
| 2 | NVIDIA CORPORATION | NVDA | 67066G104 | $86.2M | 14.16% | 493,988 | SH |
| 3 | DIMENSIONAL ETF TRUST | DFUS | 25434V401 | $66.5M | 10.92% | 937,196 | SH |
| 4 | DIMENSIONAL ETF TRUST | DFAS | 25434V500 | $32.9M | 5.41% | 462,691 | SH |
| 5 | ISHARES TR | STIP | 46429B747 | $32.1M | 5.28% | 310,550 | SH |
| 6 | VANGUARD BD INDEX FDS | BIV | 921937819 | $23.7M | 3.89% | 306,559 | SH |
| 7 | VANGUARD INDEX FDS | VNQ | 922908553 | $21.0M | 3.45% | 236,628 | SH |
| 8 | DIMENSIONAL ETF TRUST | DFUV | 25434V724 | $15.8M | 2.60% | 326,638 | SH |
| 9 | PATHWARD FINANCIAL INC | CASH | 59100U108 | $15.5M | 2.55% | 0 | SH |
| 10 | DIMENSIONAL ETF TRUST | DFIC | 25434V799 | $15.4M | 2.54% | 434,521 | SH |
| 11 | DIMENSIONAL ETF TRUST | DFLV | 25434V666 | $15.4M | 2.54% | 432,188 | SH |
| 12 | DIMENSIONAL ETF TRUST | DUHP | 25434V831 | $14.2M | 2.33% | 385,857 | SH |
| 13 | DIMENSIONAL ETF TRUST | DFIV | 25434V807 | $10.8M | 1.77% | 204,274 | SH |
| 14 | AMERICAN CENTY ETF TR | AVUV | 025072877 | $10.6M | 1.75% | 96,183 | SH |
| 15 | DIMENSIONAL ETF TRUST | DFAT | 25434V609 | $9.4M | 1.54% | 149,816 | SH |
| 16 | VANGUARD BD INDEX FDS | BSV | 921937827 | $8.7M | 1.44% | 111,499 | SH |
| 17 | APPLE INC | AAPL | 037833100 | $6.3M | 1.03% | 24,711 | SH |
| 18 | UNITED PARCEL SVCS INC | UPS | 911312106 | $6.1M | 1.00% | 61,919 | SH |
| 19 | STATE STR SPDR S&P 500 ETF T | SPY | 78462F103 | $4.7M | 0.78% | 7,279 | SH |
| 20 | VANGUARD MALVERN FDS | VTIP | 922020805 | $4.1M | 0.67% | 81,863 | SH |
| 21 | AMERICAN CENTY ETF TR | AVDE | 025072703 | $3.1M | 0.51% | 36,715 | SH |
| 22 | DELL TECHNOLOGIES INC | DELL | 24703L202 | $2.9M | 0.48% | 17,772 | SH |
| 23 | ELI LILLY & CO | LLY | 532457108 | $2.9M | 0.48% | 3,150 | SH |
| 24 | DIMENSIONAL ETF TRUST | DIHP | 25434V765 | $2.8M | 0.46% | 87,308 | SH |
| 25 | DIMENSIONAL ETF TRUST | DFEM | 25434V732 | $2.7M | 0.45% | 78,632 | SH |
| 26 | DIMENSIONAL ETF TRUST | DFIS | 25434V773 | $2.4M | 0.39% | 71,150 | SH |
| 27 | ISHARES TR | IVV | 464287200 | $2.0M | 0.32% | 2,988 | SH |
| 28 | DIMENSIONAL ETF TRUST | DFSV | 25434V815 | $1.7M | 0.27% | 47,513 | SH |
| 29 | EXXON MOBIL CORP | XOM | 30231G102 | $1.7M | 0.27% | 9,774 | SH |
| 30 | GREENBRIER COS INC | GBX | 393657101 | $1.4M | 0.24% | 27,196 | SH |
| 31 | MICROSOFT CORP | MSFT | 594918104 | $1.3M | 0.21% | 3,378 | SH |
| 32 | AMAZON COM INC | AMZN | 023135106 | $1.2M | 0.20% | 5,769 | SH |
| 33 | ALPHABET INC | GOOGL | 02079K305 | $1.2M | 0.20% | 4,125 | SH |
| 34 | ATLAS ENERGY SOLUTIONS INC | AESI | 642045108 | $1.2M | 0.19% | 90,000 | SH |
| 35 | INVESCO EXCHANGE TRADED FD T | PRF | 46137V613 | $1.2M | 0.19% | 24,266 | SH |
| 36 | CANADIAN PACIFIC KANSAS CITY | CP | 13646K108 | $1.0M | 0.17% | 12,843 | SH |
| 37 | FIRST FINL BANKSHARES INC | FFIN | 32020R109 | $960.0K | 0.16% | 32,598 | SH |
| 38 | DIMENSIONAL ETF TRUST | DFAW | 25434V617 | $915.3K | 0.15% | 12,406 | SH |
| 39 | ALPHABET INC | GOOG | 02079K107 | $841.9K | 0.14% | 2,935 | SH |
| 40 | INVESCO EXCHANGE TRADED FD T | RSP | 46137V357 | $838.9K | 0.14% | 4,371 | SH |
| 41 | VANGUARD INTL EQUITY INDEX F | VWO | 922042858 | $773.9K | 0.13% | 14,319 | SH |
| 42 | ABRDN ETFS | BCI | 003261104 | $704.9K | 0.12% | 29,020 | SH |
| 43 | VANGUARD INDEX FDS | VTV | 922908744 | $691.2K | 0.11% | 3,523 | SH |
| 44 | ISHARES TR | EFA | 464287465 | $681.0K | 0.11% | 7,011 | SH |
| 45 | META PLATFORMS INC | META | 30303M102 | $670.5K | 0.11% | 1,172 | SH |
| 46 | DIMENSIONAL ETF TRUST | DISV | 25434V781 | $635.7K | 0.10% | 16,117 | SH |
| 47 | ADVANCED MICRO DEVICES INC | AMD | 007903107 | $561.9K | 0.09% | 2,762 | SH |
| 48 | TESLA INC | TSLA | 88160R101 | $539.8K | 0.09% | 1,452 | SH |
| 49 | TRUIST FINL CORP | TFC | 89832Q109 | $519.9K | 0.09% | 11,309 | SH |
| 50 | ISHARES TR | IWD | 464287598 | $504.5K | 0.08% | 2,361 | SH |
| Period | Filed | AUM | Holdings | Accession |
|---|---|---|---|---|
| 2026-03-31 | 2026-04-29 | $608.3M | 85 | 0001902024-26-000002 |
| 2025-12-31 | 2026-02-04 | $608.7M | 76 | 0001902024-26-000001 |