Supporters of California’s boldest tax play yet crossed a key threshold over the weekend. The Service Employees International Union United Healthcare Workers West announced it had gathered 1.5 million signatures—nearly double the 875,000 required—to place the 2026 Billionaire Tax Act on the November ballot. This one-time 5% hit on the net worth of residents worth $1 billion or more, pegged to valuations as of December 31, 2026, for those living in the state on January 1, targets roughly 200 individuals holding some $2 trillion in assets. Proponents eye $100 billion in revenue over five years, payable in 1% annual installments, to plug gaps from federal healthcare cuts.SF Standard
And the money? Ninety percent funnels straight to healthcare—Medi-Cal expansions, hospital stabilizers, ERs kept open. The rest splits between K-14 education and food assistance. SEIU-UHW Chief of Staff Suzanne Jimenez framed it as frontline victory: “A very small group of the most controversial billionaires on the planet tried to stop Californians from being able to save their local emergency rooms and hospitals—but our current signature tally proves frontline healthcare workers will prevail.” Backed by national heavyweights like Sen. Bernie Sanders, who called it “reasonable and necessary,” the measure taps into federal backlash. Rep. Ro Khanna cosponsored a similar national bill.Billionaire Tax Now
But opposition fired back hard. Tech titans poured $80 million into signature challenges, paying gatherers $15 a pop to invalidate names. Google cofounders Larry Page and Sergey Brin—already relocated pre-deadline—along with Eric Schmidt, Michael Moritz, Peter Thiel, and Chris Larsen funded the push via Building a Better California. Gov. Gavin Newsom decried it as a flight risk for the wealthy. San Jose Mayor Matt Mahan warned of innovation chokeholds. Even former Health Secretary Xavier Becerra, no tax foe, dismissed the one-shot approach.SF Standard
Nvidia CEO Jensen Huang stands apart. Worth $167 billion, he’d owe $8 billion. Yet he shrugged it off: “It’s the highest taxes in the world, but it’s OK.” He urged others: “Move to California, don’t leave.” Rare billionaire buy-in amid the exodus fears. The nonpartisan California Legislative Analyst’s Office projects tens of billions upfront but warns of perpetual revenue dips from departures—hundreds of millions annually, maybe more. A new study echoes that: up to 100,000 jobs lost, long-term coffers drained.New York Post
Details matter. The tax skips directly held real estate but snares business-owned property. No deductions for prior state net worth taxes. Phase-down for those $1 billion to $1.1 billion. Trusts qualify if tied to applicable individuals. Valuation? Book value plus earnings multiples for private firms—government appraisers get final say, with 40% penalties for disputes. Subpoena power baked in. Critics like Chamath Palihapitiya spotlight page 26: a 2/3 legislative vote could amend thresholds, extend recurrence, broaden beyond billionaires. “Trojan Horse,” he calls it on X, flashing the net worth return form Californians might soon file yearly.California AG Initiative PDF
Drafted by UC Berkeley’s Brian Galle, UC Davis’s Darien Shanske, and others, the 34-page initiative amends the constitution to sidestep intangible wealth barriers—stocks, bonds now fair game. Experts like those at ITEP project $100 billion over 2027-2031 from the top 200, even post some flights. But Tax Foundation doubts the “one-time” label sticks; recurring spending needs recurring cash. Rep. Kevin Kiley’s federal bill aims to block retroactive grabs on ex-residents.ITEPTax Foundation
So where’s this leave California? Progressives split—CalMatters notes labor unions and liberal lawmakers hesitate despite Sanders and Robert Reich cheers. Gubernatorial hopefuls like Tom Steyer push corporate alternatives. Washington state’s 2028 millionaire tax, Maine’s surcharge, New York’s pied-à-terre play signal a wealth tax wave. Yet California’s scale dwarfs them; most populous state, deepest pockets. Ballotpedia dubs it the One-Time Wealth Tax for State-Funded Health Care Programs Initiative.CalMattersBallotpedia
Voters face a high-stakes brawl. Proponents bank on envy and urgency—$100 billion federal Medicaid knife looming. Foes bet on flight math: Page, Brin gone; more to follow? Palihapitiya warns middle-class audits next. Huang’s nonchalance? Outlier. Signatures submit soon. Validation next. November decides if Golden State billionaires pay up—or pack up. History tilts toward exodus; California’s already shed high earners to Texas, Florida. This could accelerate it. Or force a reckoning on wealth’s role in funding the public good.
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