S&P 500 Concentration Risk

S&P 500 ETFs spread risk by reducing tech dominance.

Oct 9, 2026

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S&P 500 Concentration Risk

S&P 500 ETFs spread risk by reducing tech dominance.

In brief

S&P 500 ETFs spread risk by reducing tech dominance. The Tema S&P 500 Historical Weight ETF (DSPY) and Invesco S&P 500 Revenue ETF (RWL) lower tech concentration in the S&P 500 while maintaining strong returns. Originally reported by Kiplinger.

S&P 500 Concentration Risk

The S&P 500 carries considerable concentration risk as of October 7 with tech stocks accounting for 40.2% of SPYM.

Tech Dominance in SPYM

Alphabet, Meta Platforms, and Netflix are classified as communication services stocks while Amazon and Tesla are consumer discretionary stocks.

Mega-Cap Concentration

Mega-Cap Concentration

SPYM's 10 largest positions accounted for 38.8% of the fund with all Magnificent 7 stocks represented.

Equal Weighting Strategy

The Invesco S&P 500 Equal Weight ETF (RSP) gives each S&P 500 constituent approximately the same starting weight at quarterly rebalances.

Historical Weight ETF

The Tema S&P 500 Historical Weight ETF Strategy (DSPY) uses historical average S&P 500 constituent weights to moderate unusually large concentrations.

DSPY's Portfolio Shift

DSPY's Portfolio Shift

DSPY has 7.8% less exposure to tech and 2.9% less to communication services compared with the S&P 500, with financial stocks receiving a 2.7% overweight.

Mega-Cap Weight Reduction

Mega-cap S&P stocks like Nvidia, Apple, and Microsoft have roughly half their conventional S&P 500 allocations in DSPY.

Revenue Weighting ETF

The Invesco S&P 500 Revenue ETF (RWL) reweights companies according to revenue with a 5% individual-stock cap and quarterly rebalancing.

RWL's Portfolio Shift

RWL has a 23.2% underweight to tech and 11.2% overweight to healthcare compared with the S&P 500.

Walmart's Revenue Impact

Walmart generates enormous sales from retail operations, becoming more prominent when ranked by revenue rather than market valuation.

DSPY Performance

For the one-year period through August 31, DSPY returned 21.8% at net asset value compared with 20.3% for SPYM.

RWL Performance

For the one-year period through August 31, RWL returned 25.3% at net asset value compared with 20.3% for SPYM.

The headline

The Tema S&P 500 Historical Weight ETF (DSPY) and Invesco S&P 500 Revenue ETF (RWL) lower tech concentration in the S&P 500 while maintaining strong returns.

Read the original on Kiplinger

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