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Own VOO? Here's the Problem With Adding This Popular Growth ETF.

2026-08-28 14:30 David Dierking The Motley Fool Neutral Axe Cap view: Selective TechnologyAISemiconductorsConsumerRetailEquities VOOQQQMNVDAAAPLMSFT

Axe Cap view

The Hidden Risk of Overlapping Growth ETFs

Pairing VOO with QQQM doubles down on tech in ways South African investors should think twice about.

Many South African investors eye global growth through ETFs like Vanguard's VOO and Invesco's QQQM. Both deliver solid returns but combining them means more than half your money sits in just a handful of mega-cap tech stocks like Apple, Microsoft, and Nvidia. That’s a lot of skin in one very volatile game – especially as global growth shows signs of slowing and inflation jitters persist. For rand investors, a tech-heavy US equity bet can spell trouble if dollar strength reverses and tech stocks stumble. Closer to home, you might be better off identifying local names with solid earnings and less exposure to global tech cycles. Names like Naspers or Prosus still ride the tech wave but offer exposure with a Rand hedge. If you’re loading up on VOO plus QQQM, tread carefully and perhaps trim before it gets too tech-concentrated. This view may be off if the AI boom continues unabated and these mega caps regain leadership, but for now, diversification beats doubling down. this is just our opinion and not financial advice

How I would invest

Avoid pairing VOO and QQQM indiscriminately; consider holding one and adding stocks like Naspers or Prosus for lower tech concentration and better rand correlation.

What I would watch
  • VOO
  • QQQM
  • Naspers
  • Prosus
  • USD/ZAR
What could go wrong
  • AI sector growth surprises prolong tech dominance
  • Rand weakness amplifies dollar-denominated tech losses
How strongly I feel

7/10

While the Vanguard S&P 500 ETF (VOO) and Invesco NASDAQ 100 ETF (QQQM) are both strong performers, combining them creates excessive tech sector concentration with 53% portfolio overlap. Seven mega-cap stocks account for roughly one-third of both funds. A 50/50 split between these ETFs allocates about half the portfolio to tech, which poses significant risk if market leadership shifts, though it may be justified for those betting on AI.

Our take is based on reporting first published by The Motley Fool.

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