IVOO vs QQQ: Holdings Overlap
IVOOVanguard S&P Mid-cap 400 Index Fund
Vanguard · 400 holdings · $3.9B · as of 2026-05-31
QQQInvesco QQQ Trust, Series 1
Invesco · 101 holdings · $479.2B · as of 2026-03-31
Holdings snapshots are 61 days apart (IVOO: 2026-05-31, 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 IVOO and QQQ?
Vanguard S&P Mid-cap 400 Index Fund (IVOO, by Vanguard) holds 400 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
- 0IVOO holds 400 · QQQ holds 101
- Weight in Shared Holdings
- IVOO 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 IVOO
400 of 400 positions (99.8% of the fund) are not held by QQQ. Showing the top 30 by weight.
Sector Breakdown
| Sector | IVOO | QQQ |
|---|---|---|
| Information Technology | 15.7% | 49.7% |
| Industrials | 25.6% | 4.2% |
| Communication Services | 1.0% | 16.0% |
| Financials | 14.3% | 0.2% |
| Consumer Discretionary | 11.1% | 12.6% |
| Other Sectors | 32.2% | 17.2% |
Share of each fund's portfolio weight by GICS-style sector, compiled from issuer fund data and our own classification of the holdings, not the issuers' published sector charts.
Performance
| Fund | 1M | YTD | 1Y | 3Y (ann.) | 5Y (ann.) | 10Y (ann.) | Yield |
|---|---|---|---|---|---|---|---|
| IVOO | +3.1% | +18.5% | +26.0% | +14.6% | +9.0% | +11.2% | 1.14% |
| 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 IVOO vs QQQ →
Shared Holdings(0)
These two funds have no holdings in common.
Frequently Asked Questions
How much do IVOO and QQQ overlap?
IVOO and QQQ overlap by 0.0% of portfolio weight. They share 0 holdings (IVOO holds 400 positions and QQQ holds 101), based on each fund's latest SEC-reported holdings.
Is it redundant to own both IVOO 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 IVOO own that QQQ doesn't?
400 positions (99.8% of IVOO) are unique to IVOO, led by FLEX, TWLO and FTI. In the other direction, 101 positions (99.9% of QQQ) are unique to QQQ.