USIG vs VOO: Holdings Overlap
USIGiShares Broad USD Investment Grade Corporate Bond ETF
iShares · 11458 holdings · $17.3B · as of 2026-05-31
Vanguard · 504 holdings · $1.03T · as of 2026-03-31
Holdings snapshots are 61 days apart (USIG: 2026-05-31, VOO: 2026-03-31). 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 USIG and VOO?
iShares Broad USD Investment Grade Corporate Bond ETF (USIG, by iShares) holds 11458 positions; Vanguard 500 Index Fund (VOO, by Vanguard) holds 504. 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
- 0USIG holds 11458 · VOO holds 504
- Weight in Shared Holdings
- USIG 0%·VOO 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 USIG
11458 of 11458 positions (99.0% of the fund) are not held by VOO. Showing the top 30 by weight.
- Anheuser-Busch Cos LLC / Anheuser-Busch InBev Worldwide Inc0.09%
- Bank of America Corp0.09%
- Eagle Funding Luxco Sarl0.08%
- CVS Health Corp0.08%
- T-Mobile USA Inc0.07%
- Goldman Sachs Group Inc/The0.07%
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| USIG | -0.4% | +0.1% | +2.6% | +5.4% | +0.2% | +2.4% | 4.82% |
| VOO | +3.4% | +14.0% | +23.7% | +21.3% | +13.4% | +15.4% | 1.03% |
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 USIG vs VOO →
Shared Holdings(0)
These two funds have no holdings in common.
Frequently Asked Questions
How much do USIG and VOO overlap?
USIG and VOO overlap by 0.0% of portfolio weight. They share 0 holdings (USIG holds 11458 positions and VOO holds 504), based on each fund's latest SEC-reported holdings.
Is it redundant to own both USIG and VOO?
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 USIG own that VOO doesn't?
11458 positions (99.0% of USIG) are unique to USIG, led by Anheuser-Busch Cos LLC / Anheuser-Busch InBev Worldwide Inc, Bank of America Corp and Eagle Funding Luxco Sarl. In the other direction, 504 positions (99.8% of VOO) are unique to VOO.