IUSB vs QQQ: Holdings Overlap
IUSBiShares Core Universal USD Bond ETF
iShares · 17783 holdings · $43.2B · as of 2026-04-30
QQQInvesco QQQ Trust, Series 1
Invesco · 101 holdings · $479.2B · as of 2026-03-31
Holdings snapshots are 30 days apart (IUSB: 2026-04-30, QQQ: 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 IUSB and QQQ?
iShares Core Universal USD Bond ETF (IUSB, by iShares) holds 17783 positions; Invesco QQQ Trust, Series 1 (QQQ, by Invesco) holds 101. 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
- 0IUSB holds 17783 · QQQ holds 101
- Weight in Shared Holdings
- IUSB 0%·QQQ 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 IUSB
17783 of 17783 positions (98.5% of the fund) are not held by QQQ. Showing the top 30 by weight.
- U.S. Treasury Notes0.37%
- U.S. Treasury Notes0.37%
- U.S. Treasury Notes0.37%
- U.S. Treasury Notes0.37%
- U.S. Treasury Notes0.36%
- U.S. Treasury Notes0.36%
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IUSB | -0.2% | +0.3% | +2.8% | +4.7% | +0.2% | +1.8% | 4.28% |
| QQQ | +1.9% | +18.0% | +27.6% | +25.2% | +15.2% | +20.8% | 0.42% |
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 IUSB vs QQQ →
Shared Holdings(0)
These two funds have no holdings in common.
Frequently Asked Questions
How much do IUSB and QQQ overlap?
IUSB and QQQ overlap by 0.0% of portfolio weight. They share 0 holdings (IUSB holds 17783 positions and QQQ holds 101), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IUSB and QQQ?
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 IUSB own that QQQ doesn't?
17783 positions (98.5% of IUSB) are unique to IUSB, led by U.S. Treasury Notes, U.S. Treasury Notes and U.S. Treasury Notes. In the other direction, 101 positions (99.9% of QQQ) are unique to QQQ.