Nvidia is the second-largest position in SPY, yet the largest position inside a SPY

dr1337 · x · 2026-11-09

@EconomPic points out a counterintuitive index-structure fact: Nvidia is the second-largest position in the overall SPY (S&P 500 ETF), yet it is already the largest position inside a SPY sub-structure.

The observation underscores just how concentrated Nvidia's weight in US passive equity exposure has become.

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