IDEF vs VXUS

Quick Verdict

VXUS has a lower expense ratio. VXUS delivered stronger 1-year returns. VXUS offers more diversification with 7861 holdings.

Lower Fees: VXUSHigher Returns: VXUSMore Diversified: VXUS

Side-by-Side Comparison

MetricIDEFVXUSWinner
Expense Ratio0.55%0.05%
AUM$4.2B$156.5B
Dividend Yield0.34%2.60%
Holdings1318,747
YTD Return+11.20%+14.07%
1Y Return+21.98%+27.24%
3Y Return (annualized)-+19.27%
5Y Return (annualized)-+9.14%
Volatility (annualized)21.8%15.1%
Max Drawdown-15.8%-39.9%
Fund FamilyiShares by BlackRock (US)Vanguard (US)
CategoryEquityEquity
InceptionMay 19, 2025Jan 26, 2011

IDEF vs VXUS Performance

iShares Defense Industrials Active ETF (IDEF) is a ETF from iShares by BlackRock (US) and Vanguard Total International Stock ETF (VXUS) is a ETF from Vanguard (US). Over the past year IDEF returned +21.98% while VXUS returned +27.24%. Year to date, IDEF is up 11.20% versus a gain of 14.07% for VXUS.

Risk: Volatility and Drawdowns

IDEF has been the more volatile fund, with annualized monthly volatility of 21.8% compared with 15.1% for VXUS. Lower volatility generally means a smoother ride, though it often comes with lower long-run returns.

The deepest peak-to-trough decline in our data was -15.8% for IDEF and -39.9% for VXUS. Drawdown depth is worth weighing if you expect to sell during market stress rather than ride it out.

The two funds' monthly returns correlate at 0.65. They move independently enough that combining them can meaningfully diversify a portfolio.

Fees and Cost Over Time

IDEF charges 0.55% per year while VXUS charges 0.05%. On a $10,000 position that is $55 vs $5 annually, a gap of $50 per year that compounds over a long holding period. On income, IDEF currently yields 0.34% against 2.60% for VXUS.

Holdings Overlap

1.9%overlap

IDEF and VXUS share 36 holdings out of 7941 unique holdings combined, representing a 1.9% weight overlap.

Moderate overlap means holding both could provide meaningful diversification benefits.

Top Shared Holdings

StockWeight in IDEFWeight in VXUSDifference
RR:LN5.14%0.34%4.80%
BAES:LN2.86%0.19%2.67%
ESLT:IL2.02%0.05%1.97%
LDO:MIProProPro
SAF:PAProProPro
7011:JPProProPro
KOG:OSProProPro
CAE:CAProProPro
MTX:SGProProPro
DE000TKMS001:SGProProPro
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Frequently Asked Questions

Which is cheaper, IDEF or VXUS?

IDEF has an expense ratio of 0.55% while VXUS charges 0.05%. VXUS is the cheaper option. On a $10,000 investment, that is $50 per year of difference.

Which performed better, IDEF or VXUS?

Over the past year IDEF returned +21.98% vs +27.24% for VXUS, so VXUS leads on 1-year performance. Over the longest common window we track (1 years), IDEF annualized +32.14% vs +4.83% for VXUS. Past performance does not guarantee future results.

Which is riskier, IDEF or VXUS?

IDEF has been the more volatile fund at 21.8% annualized versus 15.1% for VXUS. Worst drawdown: IDEF -15.8% vs VXUS -39.9%.

Should I hold both IDEF and VXUS?

IDEF and VXUS have a monthly-return correlation of 0.65, so combining them can provide real diversification depending on your allocation goals.

What is the holdings overlap between IDEF and VXUS?

IDEF and VXUS share 36 common holdings with a 1.9% weight overlap. Combined, they hold 7941 unique securities.

Which pays a higher dividend, IDEF or VXUS?

IDEF yields 0.34% while VXUS yields 2.60%, so VXUS currently pays the higher dividend yield.

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