Compare & Overlap
QQQ vs XLK
Two funds can look different and hold the same stocks. We line them up on cost and composition, then compute how much of their holdings by weight the two share.
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Head-to-head
THE VERDICT
QQQ and XLK share 54% of their holdings by weight; they hold different types of stocks. The sections below show where the two baskets differ and what each costs.
Holdings overlap · Σ min(weight in QQQ, weight in XLK)
Portfolio overlap
54%overlap
Shared holdings35
Total unique names141
In one, not the other106
Top shared holdings · weight in QQQ / XLK
Which 35 names both funds hold, at what weight, and which positions each fund weights more heavily, is on a paid plan.Premium · $119/yr · 7-day trial · cancel anytimeUnlock the shared names →
Heavier in QQQ · Heavier in XLK
Where each fund leans is withheld with the shared names above, on the same plan.
Portfolio look-through · “am I secretly all-in on one stock?”
Your holdings:
Overlap computed Oct 19, 2026 from each fund's published holdings via the weighted-minimum method. Bond and fund-of-funds holdings are excluded from look-through where disaggregation is unreliable. Decision-support, not a recommendation · Not investment advice.