Neil Rimer’s AI redistribution warning landed in Athens, not Sand Hill Road. Sitting at a tech festival in the Greek capital in late May, the co-founder of Index Ventures told a reporter he has ‘a strong sense that there will be some sort of a redistribution’ of the wealth piling up around artificial intelligence. ‘It’ll either be voluntary or it’ll be involuntary, but it’ll happen, and I hope it’s voluntary,’ he said, adding that tech leaders ‘can play a leading role in seeing that through.’
From most mouths in venture capital, that would be unremarkable. From Rimer, whose firm has raised roughly $15 billion from outside investors since its founding and netted roughly $9 billion from exits last year alone, including Figma’s IPO and Google’s acquisition of cybersecurity firm Wiz, it carries a different weight.
The Scale Behind Index’s Warning
Index closed $2.3 billion in new capital in July 2024, comprising an $800 million venture fund and a $1.5 billion growth fund. According to the BusinessWire announcement of the raise, 108 Index-backed companies have reached a valuation of $1 billion or more across the firm’s nearly three decades of investing, 23 have surpassed $10 billion, and 57 have gone public. Rimer stepped back from day-to-day investing in 2021, but the machine he helped build is still accelerating.
He has not been idle. He sits on the board of Endeavor Greece, which mentors entrepreneurs in emerging markets, and chaired the board of Human Rights Watch from 2019 to 2025. In late 2021, he and his father and two brothers gave $13 million to McGill University to establish the Rimer Building and found a new Institute for Indigenous Research and Knowledges.
His interest in ‘the moral center of tech companies,’ as he put it in Athens, traces back to being a Stanford undergraduate in 1984, when Steve Jobs was a ‘hero’ for building something that felt genuinely good for the world. What troubles him now is hearing his children describe certain tech companies the way an earlier generation talked about defence contractors or cigarette makers.
Neil Rimer AI Redistribution, the Data Behind the Debate
The wealth in question is not abstract. Forbes counted 45 new AI billionaires in its 2026 rankings, worth a combined $2.9 trillion, before either Anthropic or OpenAI has gone public. Elon Musk, after SpaceX’s IPO last month, is worth just over $1 trillion. The share of wealth held by the top 1% of U.S. households hit 31.7% in the third quarter of last year, the highest since the Federal Reserve began tracking the data in 1989, roughly equal to what the other 90% of households outside the top decile held combined.
Economist Gabriel Zucman calculates that at the height of the Gilded Age, around 1910, America’s four largest fortunes were worth a combined 4% of U.S. GDP. Today, 19 households hold the equivalent of 14%. The top 1% did command 45% at the Gilded Age peak in 1916, but the concentration at the very top is now more extreme than it was then.
Voluntary giving is not keeping pace. Total American charitable giving hit a record $592.5 billion in 2024, but the number of Americans actually giving has fallen for five straight years, down 4.5% in 2024 alone, according to the Stanford Social Innovation Review. Two-thirds of households donated in 2000; roughly half do now. Even affluent-household giving has slipped, from 90% in 2017 to 81% last year, according to Bank of America and Lilly Family School data.
The Giving Pledge, the commitment Warren Buffett and Bill Gates launched in 2010 to get billionaires to give away half their fortunes, has stalled at its apex. The Giving Pledge’s current pledger list counts more than 250 donors from 30 countries, but the pace of sign-ups has collapsed: 113 families joined in the first five years, then 72, then 43, then just four in all of 2024. Index’s own portfolio company Anthropic matches employee donations of up to 25% of their equity, yet a financial planner serving newly wealthy Anthropic employees told Business Insider that most clients were not building philanthropy into their plans at all, focusing instead on angel investing or starting companies.
Rimer’s two paths both have historical precedent. Andrew Carnegie’s 1889 essay ‘The Gospel of Wealth’ argued that dying wealthy was a disgrace, and it eventually inspired the Giving Pledge. But voluntary redistribution proved insufficient. By the 1930s, Franklin Roosevelt’s so-called ‘soak-the-rich tax’ pushed the top marginal income tax rate to 79%, partly in response to the political pressure Senator Huey Long’s Share Our Wealth programme had built among working-class voters.
California voters will decide this year on a 5% one-time wealth tax targeting the state’s billionaires. OpenAI has reportedly discussed handing the federal government a 5% equity stake, framed by CEO Sam Altman as sharing AI’s upside with the public. Neither mechanism has enthusiastic backers in Silicon Valley. Rimer, as an investor in Anthropic and other AI companies, is a direct beneficiary of the windfall he says will need to be shared. His bet is that his peers will choose voluntarily before the alternative arrives. If the Gilded Age precedent holds, they do not have long to decide.
