QQQM vs TSPC: 54% overlap
Invesco NASDAQ 100 ETF and TSP C Fund — shown via S&P 500 proxy share 53.6% 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 4 months apart — QQQM as of 2026-02-28, the rest through 2026-06-30. 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
QQQM and TSPC hold 87 of the same securities. The ten contributing most to the overlap figure:
| Holding | in QQQM | in TSPC | Δ |
|---|---|---|---|
| NVDA | 8.4% | 7.5% | 0.9% |
| AAPL | 7.6% | 6.6% | 1.0% |
| MSFT | 5.7% | 4.3% | 1.4% |
| AMZN | 4.4% | 3.6% | 0.7% |
| GOOGL | 3.5% | 3.2% | 0.3% |
| AVGO | 2.9% | 2.8% | 0.2% |
| GOOG | 3.3% | 2.6% | 0.7% |
| MU | 2.5% | 2.0% | 0.5% |
| META | 3.7% | 1.9% | 1.8% |
| TSLA | 3.9% | 1.8% | 2.1% |
Where QQQM and TSPC 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 | QQQM | TSPC | Δ |
|---|---|---|---|
| Financials | 0.2% | 11.6% | −11.4pp |
| Information Technology | 48.9% | 38.0% | +10.9pp |
| Industrials | 3.0% | 8.9% | −6.0pp |
| Communication Services | 15.6% | 9.7% | +5.9pp |
| Consumer Staples | 8.5% | 4.6% | +4.0pp |
| Health Care | 5.2% | 8.9% | −3.7pp |
| Unclassified | 2.7% | 0.0% | +2.7pp |
| Consumer Discretionary | 11.9% | 9.3% | +2.6pp |
Δ is QQQM minus TSPC, 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
4.9% of QQQM by weight, held in no part of TSPC.
46.3% of TSPC by weight, held in no part of QQQM.
A large count with a small weight is the usual shape: the positions one fund adds are typically its smallest ones.
Concentration and cost
| QQQM | TSPC | |
|---|---|---|
| Top 10 holdings | 46.7% | 36.4% |
| Positions held | 103 | 505 |
| Cost per $10,000 held, per year | $15 | $5 |
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 QQQM and TSPC overlap?
QQQM and TSPC overlap 53.6% by portfolio weight — substantial duplication if you hold both. They share 87 holdings. The figure comes from current issuer holdings files (QQQM as of 2026-02-28, TSPC as of 2026-06-30).
How is the overlap between QQQM and TSPC calculated?
As the sum of the smaller weight in each fund, over every holding both funds own: Σ min(wA, wB). If QQQM holds a stock at 6% and TSPC 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 QQQM and TSPC?
That depends on your goals — we state facts, not advice. At 53.6% overlap, each fund still contributes meaningfully distinct exposure.
What does QQQM own that TSPC doesn't?
QQQM holds 103 positions and TSPC holds 505; 15 of QQQM's positions don't appear in TSPC at all, and they are 4.9% of QQQM by weight.
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Related comparisons
Sources: issuer holdings files, QQQM as of 2026-02-28, TSPC as of 2026-06-30. Weights are fractions of each fund. Diagnostics, not advice.