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Meet the venture capital and crypto billionaires quietly bankrolling the fight against California's wealth tax

Reported by Fortune
Aug 18, 2026· 2 min read
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Key Takeaways
  • • Venture capital and crypto billionaires, including Chris Larsen (Ripple co-founder) and Tim Draper, have committed over $30 million to oppose California's proposed 2026 Billionaire Tax Act, a 5% wealth tax on individuals with net worth exceeding $1 billion.
  • • Google co-founder Sergey Brin and other high-net-worth individuals funded a $5 million contribution to Golden State Promise, a committee opposing Proposition 40, marking a coordinated effort by the state's 200+ billionaires to defeat the measure.
  • • The proposed wealth tax aims to generate revenue to address California's projected $100 billion healthcare funding gap created by federal funding cuts under Donald Trump's administration.
  • • Chris Larsen opened opposition efforts with $10 million in initial funding and signaled plans to contribute an additional $20 million, positioning himself as a lead financier in the anti-tax campaign.
  • • Multiple billionaire-backed entities have emerged to channel opposition funds, including committees that have received seven-figure contributions from tech executives and crypto industry leaders.
Summary
California's wealthiest residents are mobilizing significant financial resources to defeat the state's proposed 2026 Billionaire Tax Act, a 5% wealth tax targeting individuals with net worth exceeding $1 billion. According to multiple reports, venture capitalists and cryptocurrency executives have emerged as primary funders of the opposition effort, with Ripple co-founder Chris Larsen committing $30 million to the cause and venture capitalist John Doerr actively engaging in anti-tax efforts alongside tech entrepreneur Tim Draper.

The opposition campaign centers on Proposition 40 and has been structured through multiple committees designed to aggregate billionaire funding. Golden State Promise, a key anti-tax organization, received a $5 million contribution from a group funded by Google co-founder Sergey Brin and other wealthy Californians. Chris Larsen opened the opposition committee with an initial $10 million contribution, demonstrating the scale of financial commitment from the crypto and venture capital sectors. Larsen subsequently indicated plans to increase his total contribution to $30 million, establishing himself as one of the campaign's primary financial backers.

The wealth tax proposal would impose a one-time or recurring 5% levy on California billionaires' assets, with proceeds designated to address an acute healthcare funding crisis. California faces a projected $100 billion healthcare funding gap in 2026, resulting from federal funding reductions announced by the Trump administration. Proponents frame the tax as necessary to replace stripped federal healthcare funding and maintain state social programs.

The billionaire opposition reflects broader concerns within California's technology and cryptocurrency industries regarding asset-based taxation and wealth confiscation. The state's billionaire population—estimated at over 200 individuals—collectively represents enormous financial and political influence, enabling coordinated, well-funded campaign infrastructure. The Ripple organization's active participation alongside venture capital figures suggests the crypto sector views the California wealth tax as a template threat that could be replicated by other states or federal authorities.

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Sources

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AlphaMaven summarised this story from the reporting below. Each link opens the original article.

Fortune Meet the venture capital and crypto billionaires quietly bankrolling the fight against California's wealth tax