QQQ vs SCHX: 52% overlap
Invesco QQQ Trust and Schwab U.S. Large-Cap ETF share 51.9% of their portfolios by weight — computed as Σ min(wA, wB) over every holding both funds own.
Different holding dates. These holdings were published about 2 months apart — SCHX as of 2026-05-31, the rest through 2026-07-23. Each fund is compared using its most recent file, so any trading in between shows up as a difference.
You would hold two tickers and get the diversification of 1.5. Two funds that shared nothing would score 2.0; two identical funds score 1.0.
Top shared holdings
QQQ and SCHX hold 87 of the same securities. The ten contributing most to the overlap figure:
| Holding | in QQQ | in SCHX | Δ |
|---|---|---|---|
| NVDA | 8.3% | 7.5% | 0.8% |
| AAPL | 7.8% | 6.7% | 1.1% |
| MSFT | 4.7% | 4.9% | 0.2% |
| AMZN | 4.1% | 3.9% | 0.3% |
| AVGO | 3.1% | 3.1% | 0.0% |
| GOOGL | 3.0% | 3.2% | 0.2% |
| GOOG | 2.9% | 2.6% | 0.3% |
| META | 3.0% | 2.0% | 0.9% |
| TSLA | 2.6% | 1.8% | 0.8% |
| MU | 5.1% | 1.6% | 3.5% |
Where QQQ and SCHX differ
Sector weights as a share of each fund, ordered by the size of the gap rather than the size of the sector — two funds that overlap heavily still usually diverge somewhere.
| Sector | QQQ | SCHX | Δ |
|---|---|---|---|
| Information Technology | 59.1% | 36.8% | +22.3pp |
| Financials | 0.2% | 10.9% | −10.7pp |
| Industrials | 3.5% | 8.2% | −4.7pp |
| Health Care | 3.6% | 8.1% | −4.5pp |
| Communication Services | 13.1% | 10.1% | +3.1pp |
| Energy | 0.5% | 3.2% | −2.6pp |
| Unclassified | 1.0% | 3.4% | −2.4pp |
| Consumer Staples | 6.4% | 4.4% | +2.0pp |
Δ is QQQ minus SCHX, in percentage points. Sector data is not published by every issuer, so “Unclassified” is a real category rather than a gap in the table.
What each fund holds alone
8.7% of QQQ by weight, held in no part of SCHX.
47.6% of SCHX by weight, held in no part of QQQ.
A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.
Concentration and cost
| QQQ | SCHX | |
|---|---|---|
| Top 10 holdings | 45.9% | 37.3% |
| Positions held | 104 | 750 |
| Cost per $10,000 held, per year | $20 | $3 |
Cost is the expense ratio applied to $10,000; it excludes any brokerage commission, bid-ask spread or tax consequence. Figures are facts about the funds, not a suggestion about which to hold.
Frequently asked
How much do QQQ and SCHX overlap?
QQQ and SCHX overlap 51.9% by portfolio weight — substantial duplication if you hold both. They share 87 holdings. The figure comes from current issuer holdings files (QQQ as of 2026-07-23, SCHX as of 2026-05-31).
How is the overlap between QQQ and SCHX calculated?
As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If QQQ holds a stock at 6% and SCHX holds the same stock at 4%, 4% counts as shared. The result is bounded between 0% and 100%, and it is computed after looking through any fund-of-funds to the underlying holdings.
Is it redundant to hold both QQQ and SCHX?
That depends on your goals — we state facts, not advice. At 51.9% overlap, each fund still contributes meaningfully distinct exposure.
What does QQQ own that SCHX doesn't?
QQQ holds 104 positions and SCHX holds 750; 17 of QQQ's positions don't appear in SCHX at all, and they are 8.7% of QQQ by weight.
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Related comparisons
Sources: issuer holdings files, QQQ as of 2026-07-23, SCHX as of 2026-05-31. Weights are fractions of each fund. Diagnostics, not advice.