- Tuesday 18 November 2025
1. Why are you recommending a Dimensional (DFA) portfolio instead of a Vanguard global equity fund?
- Because you already hold a large amount of stock in your employer (and often in similar Tech companies), you’re inherently concentrated.
- Traditional index funds like Vanguard Global Equity or the S&P 500 are heavily weighted toward the same mega-cap Tech stocks. This means you’d be doubling up on the same risk.
- DFA portfolios diversify away from that concentration by investing more evenly across global markets and by adding exposure to different types of companies.
2. How does DFA give me more diversification?
- DFA includes thousands of global companies — especially smaller companies, value companies, and businesses with strong profitability.
- These areas behave differently from the large Tech companies you already hold.
- So instead of reinforcing your existing exposure, DFA helps balance it.
3. What are “factors” and why do they matter?
DFA portfolios tilt toward long-term factors that academic research shows can enhance returns over time:
- Small companies
- Value companies
- Highly profitable companies
These return sources move differently to the big Tech names that dominate traditional index funds, helping smooth your overall journey.
4. Is this riskier than a simple index fund?
- Not in the context of your personal situation.
- Because you already carry significant risk in one company/sector, the bigger risk is lack of diversification-not owning additional types of companies.
- DFA helps reduce your total risk by spreading your investments across different parts of the market.
5. Do DFA funds cost more than Vanguard?
- They are slightly more expensive, but the purpose is different.
- Vanguard tracks the market.
- DFA is designed to reduce concentration risk and capture additional return factors that aren’t represented in a typical index.
- For clients with large employer stock exposure, the diversification benefits outweigh the small cost difference.
6. Can we mix Vanguard and DFA?
- Absolutely — and we often do.
- Your specific allocation depends on:
- How much employer stock you hold
- How quickly that may change
- How your pension and investments interact
- Your long-term plan, income security and retirement timing
- For clients with significant Tech exposure, DFA simply gives us more tools to balance your overall risk.
In Summary
- You already have a lot riding on your employer stock.
- DFA helps ensure the rest of your portfolio isn’t tied to the same economic story.
- It’s about protecting your long-term wealth by diversifying where it matters most.