AIVSX vs QQQM: 41% overlap
American Funds Investment Company of America A and Invesco NASDAQ 100 ETF share 40.7% of their portfolios by weight — computed as Σ min(wA, wB) over every holding both funds own.
Different holding dates. These holdings were published 31 days apart — QQQM as of 2026-02-28, the rest through 2026-03-31. 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 1.6. Two funds that shared nothing would score 2.0; two identical funds score 1.0.
Top shared holdings
AIVSX and QQQM hold 41 of the same securities. The ten contributing most to the overlap figure:
| Holding | in AIVSX | in QQQM | Δ |
|---|---|---|---|
| NVDA | 6.5% | 8.4% | 1.8% |
| MSFT | 5.7% | 5.7% | 0.0% |
| AMZN | 4.7% | 4.4% | 0.4% |
| AVGO | 6.1% | 2.9% | 3.2% |
| META | 2.6% | 3.7% | 1.1% |
| GOOGL | 2.5% | 3.5% | 1.0% |
| AAPL | 2.2% | 7.6% | 5.4% |
| GOOG | 2.1% | 3.3% | 1.1% |
| AMAT | 1.3% | 1.6% | 0.3% |
| LIN | 1.7% | 1.3% | 0.4% |
Where AIVSX and QQQM 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 | AIVSX | QQQM | Δ |
|---|---|---|---|
| Information Technology | 29.2% | 48.9% | −19.8pp |
| Industrials | 11.8% | 3.0% | +8.9pp |
| Financials | 8.2% | 0.2% | +7.9pp |
| Health Care | 11.2% | 5.2% | +6.0pp |
| Communication Services | 9.9% | 15.6% | −5.7pp |
| Unclassified | 5.5% | 2.7% | +2.8pp |
| Consumer Staples | 6.4% | 8.5% | −2.2pp |
| Consumer Discretionary | 10.0% | 11.9% | −1.9pp |
Δ is AIVSX minus QQQM, 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
53.1% of AIVSX by weight, held in no part of QQQM.
31.2% of QQQM by weight, held in no part of AIVSX.
A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.
Concentration and cost
| AIVSX | QQQM | |
|---|---|---|
| Top 10 holdings | 39.5% | 46.7% |
| Positions held | 168 | 103 |
| Cost per $10,000 held, per year | $58 | $15 |
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 AIVSX and QQQM overlap?
AIVSX and QQQM overlap 40.7% by portfolio weight — moderate overlap. They share 41 holdings. The figure comes from current issuer holdings files (AIVSX as of 2026-03-31, QQQM as of 2026-02-28).
How is the overlap between AIVSX and QQQM calculated?
As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If AIVSX holds a stock at 6% and QQQM 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 AIVSX and QQQM?
That depends on your goals — we state facts, not advice. At 40.7% overlap, each fund still contributes meaningfully distinct exposure.
What does AIVSX own that QQQM doesn't?
AIVSX holds 168 positions and QQQM holds 103; 127 of AIVSX's positions don't appear in QQQM at all, and they are 53.1% of AIVSX by weight.
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Related comparisons
Sources: issuer holdings files, AIVSX as of 2026-03-31, QQQM as of 2026-02-28. Weights are fractions of each fund. Diagnostics, not advice.