AGG vs IWM: Complete Comparison
iShares Core U.S. Aggregate Bond ETF vs iShares Russell 2000 ETF — overlap, correlation, performance & risk analysis
Visual Overlap
Price Performance
Historical price comparison over 3M
📈Performance Comparison
⚠️Risk Metrics
Interpretation:
- 📊 Lower volatility = smoother ride
- ⚡ Higher Sharpe/Sortino = better risk-adjusted returns
- ⚠️ Smaller max drawdown = less worst-case pain
- 📈 Beta > 1 = more volatile than S&P 500
⚔️Head-to-Head Comparison
Key Factors
▶Additional Metrics (5)
Bottom line: AGG and IWM are very similar. Choose based on your broker's commission structure or personal preference.
Detailed Overlap Analysis
0 shared holdings representing 0.0% portfolio overlap
Top Shared Holdings
| # | Stock | AGG Weight | IWM Weight | Overlap |
|---|
Top Holdings Only in AGG
Unique to AGG
| Symbol | Name | Weight |
|---|---|---|
| UST-10Y | US Treasury 10Y | 3.85% |
| UST-5Y | US Treasury 5Y | 3.25% |
| UST-2Y | US Treasury 2Y | 2.85% |
| GNMA-30Y | GNMA 30Y MBS | 2.45% |
| FNMA-30Y | FNMA 30Y MBS | 2.25% |
Top Holdings Only in IWM
Unique to IWM
| Symbol | Name | Weight |
|---|---|---|
| CRDO | CREDO TECHNOLOGY GROUP HOLDING LTD | 0.86% |
| BE | BLOOM ENERGY CLASS A CORP | 0.80% |
| FN | FABRINET | 0.62% |
| IONQ | IONQ INC | 0.51% |
| NXT | NEXTPOWER INC CLASS A | 0.44% |
Price Correlation
How We Calculate Overlap
We use the minimum weight method with normalization to calculate portfolio overlap:
Overlap = Σ min(weightA, weightB) for each shared holdingNormalization: Holdings weights are normalized to sum to 100% before comparison. This ensures accurate overlap calculations even when analyzing partial holdings data (e.g., top 50 positions).
Conservative approach: We consider only the smaller allocation for each shared position, giving you a realistic view of true portfolio overlap.
📊 This analysis is based on publicly available holdings data. For the most current and complete holdings information, please visit the official ETF provider websites.
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