Quant Who Said Passive Era Is ‘Worse Than Marxism’ Doubles Down

December 5, 2025, 7:56 PM UTC

Inigo Fraser Jenkins once warned that passive investing was worse for society than Marxism. Now he says even that provocative framing may prove too generous.

In his latest note, the AllianceBernstein strategist argues that the trillions of dollars pouring into index funds aren’t just tracking markets — they are distorting them. Big Tech’s dominance, he says, has been amplified by passive flows that reward size over substance. Investors are funding incumbents by default, steering more capital to the biggest names simply because they already dominate benchmarks.

He calls it a “dystopian symbiosis”: a feedback loop between index funds and platform ...

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