Data as of Q4 2025 (Dec 31, 2025)·Next filing deadline: May 15, 2026

Austin Asset Management Co Inc

•CIK: 1902024•Filing: Q4 2025

**Austin Asset Management Co Inc.** manages $585M across a portfolio of 75 distinct positions. The firm maintains significant concentration in technology and specialized sectors, highlighted by a top holding in DFAC at $159.7M. Further notable allocations include NVDA at $91.9M and DFUS at $70.4M, indicating a focused, high-conviction approach to market opportunities.

Total AUM

$584.9M

QoQ Performance

+11.4%

Positions

41

Top 10 Concentration

79.3%

Latest Filing

Q4 2025

Top Holdings Allocation

DFAC

NVDA

DFUS

DFAS

STIP

DFAC27.3%

NVDA15.7%

DFUS12.0%

DFAS5.6%

STIP5.1%

VNQ3.3%

DFUV2.6%

DFIC2.6%

📈 Biggest Buys

NVIDIA CORPORATION

+111.0%

15.7% of portfolio

DELL TECHNOLOGIES INC

NEW

0.3% of portfolio

VANGUARD BD INDEX FDS

+15.5%

2.5% of portfolio

VANGUARD INDEX FDS

+2.6%

3.3% of portfolio

DIMENSIONAL ETF TRUST

+2.8%

2.4% of portfolio

📉 Biggest Sells

DIMENSIONAL ETF TRUST

-1.2%

27.3% of portfolio

AMERICAN CENTY ETF TR

-63.8%

0.1% of portfolio

VANGUARD BD INDEX FDS

-3.7%

2.4% of portfolio

DIMENSIONAL ETF TRUST

-0.7%

12.0% of portfolio

AMERICAN CENTY ETF TR

-11.2%

0.6% of portfolio

Sector Breakdown

Other79.8%

Technology17.5%

ETF1.2%

Healthcare0.7%

Consumer0.5%

Financial0.2%

Energy0.1%

Communication0.1%

🚪 Exited Positionssold since Q3 2025

VANGUARD INTL EQUITY INDEX F

SOLD

$253.0K

LENNAR CORP

SOLD

$214.3K

AMPLIFY ETF TR

SOLD

$205.3K

Changes from Q3 2025

NEW5 new positions

↑28 increased

↓24 decreased

Historical Filings

Q4 2025Q3 2025Q2 2025Q1 2025Q4 2024Q3 2024Q2 2024Q1 2024Q4 2023

📌 Top Holdings

DIMENSIONAL ETF TRUST

NVIDIA CORPORATION

DIMENSIONAL ETF TRUST

DIMENSIONAL ETF TRUST

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