Onyx Financial Advisors Portfolio Concentration Analysis: June 30, 2026
This analysis details Onyx Financial Advisors' portfolio concentration as of June 30, 2026, highlighting their significant holdings in Dimensional ETFs and other individual stocks.

Onyx Financial Advisors, Llc manages a substantial portfolio valued at $278 million as of June 30, 2026. Portfolio concentration analysis reveals how assets are distributed across different investments.
The firm's holdings demonstrate significant concentration in Dimensional ETF Trust shares. The top five positions by weight alone account for approximately 92% ($254M) of the total portfolio value, showcasing a heavy reliance on these specific funds.
Dimensional Fund Advisors Common (DFAC), symbol DFAC, stands as the largest position at $168 million or 60.48%. This ETF Trust has seen an increase in its shareholding by about 2.93% compared to the previous period. DFAC is a major component of Onyx's investment strategy.
The second-largest holding, Dimensional Fund Advisors Small Cap (DFAX), symbol DFAX, represents $43.6 million or 15.72% of the portfolio. This position also experienced modest growth with an increase in shares by 2.06%. DFAX is another key holding for Onyx Financial Advisors.
Other significant individual stock positions include Dimensional Fund Advisors Small Cap Growth (DFSD) at $19.5 million or 7.03%, and Dimensional Fundamental Short-Term Bond ETF (DUSB) at $12.9 million or 4.64%. These holdings, while smaller than the top two Dimensional funds, still represent notable individual investments for Onyx Financial Advisors.
Examining sector allocation provides further insight into concentration patterns. The portfolio shows a heavy bias towards the Unknown sector, encompassing 96.06% ($258M) of holdings primarily through Dimensional ETFs. Other sectors represented include Technology with $3.3 million (1.19%), Financial Services with $4.6 million (1.64%), Healthcare with $1.6 million (0.58%), and Industrials with $1.1 million (0.41).
The portfolio's structure, dominated by Dimensional ETFs and a few other individual stocks, indicates a concentrated approach focused on specific investment vehicles rather than broad diversification across numerous sectors.