AGG vs DIA: Holdings Overlap
AGGiShares Core U.S. Aggregate Bond ETF
iShares · 13266 holdings · $137.7B · as of 2026-05-31
DIAState Street® SPDR® Dow Jones Industrial Average® ETF Trust
State Street (SPDR) · 30 holdings · $47.6B · as of 2026-08-06
Holdings snapshots are 67 days apart (AGG: 2026-05-31, DIA: 2026-08-06). Weights and index membership change between snapshots, so the true current overlap is typically higher than shown. For funds tracking the same index, the gap can be 5–15 points.
How similar are AGG and DIA?
iShares Core U.S. Aggregate Bond ETF (AGG, by iShares) holds 13266 positions; State Street® SPDR® Dow Jones Industrial Average® ETF Trust (DIA, by State Street (SPDR)) holds 30. They have 0 holdings in common, and by portfolio weight the two funds are 0.0% identical. In practical terms the pair is essentially distinct, holding almost none of the same securities.
- Overlap by Weight
- 0.0%Sum of the smaller weight of each shared holding
- Shared Holdings
- 0AGG holds 13266 · DIA holds 30
- Weight in Shared Holdings
- AGG 0%·DIA 0%Share of each fund's weight in stocks both funds own
Based on each fund's latest official holdings. How is this calculated?
What makes each fund different
Only in AGG
13266 of 13266 positions (98.5% of the fund) are not held by DIA. Showing the top 30 by weight.
- U.S. Treasury Notes0.42%
- U.S. Treasury Notes0.41%
- U.S. Treasury Notes0.41%
- U.S. Treasury Notes0.40%
- U.S. Treasury Notes0.40%
- U.S. Treasury Notes0.39%
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| AGG | -0.3% | +0.0% | +2.4% | +4.2% | -0.2% | +1.4% | 4.04% |
| DIA | +2.1% | +13.2% | +24.6% | +16.9% | +10.8% | +13.5% | 1.33% |
Total returns including dividends, from adjusted daily closes as of 2026-08-07. 3Y/5Y/10Y are annualized. Yield is trailing-12-month distributions over the last close. Past performance does not predict future results.
Project the growth of $10,000 in AGG vs DIA →
Shared Holdings(0)
These two funds have no holdings in common.
Frequently Asked Questions
How much do AGG and DIA overlap?
AGG and DIA overlap by 0.0% of portfolio weight. They share 0 holdings (AGG holds 13266 positions and DIA holds 30), based on each fund's latest SEC-reported holdings.
Is it redundant to own both AGG and DIA?
The two portfolios are 0.0% identical by weight. Owning both is genuine diversification: the funds hold almost none of the same securities.
What does AGG own that DIA doesn't?
13266 positions (98.5% of AGG) are unique to AGG, led by U.S. Treasury Notes, U.S. Treasury Notes and U.S. Treasury Notes. In the other direction, 30 positions (100.0% of DIA) are unique to DIA.