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On June 5, 2026, three things happened within the same news cycle that would have been unthinkable twelve months ago.
Senator Bernie Sanders introduced the American AI Sovereign Wealth Fund Act, demanding a one-time 50% tax on the largest AI companies — payable in stock. President Trump confirmed that his administration is in active discussions with OpenAI, Anthropic, and xAI about the government taking direct equity stakes. And Anthropic's seven co-founders had already pre-empted both by pledging to donate 80% of their combined $37.8 billion in wealth.
Three ownership models. Three different theories of who should control the AI windfall. All live policy positions as of this week.
The coverage has mostly framed this as left vs. right — Sanders the socialist vs. Trump the capitalist. That framing misses the structural shift. Both sides now agree that the government should own pieces of AI companies. The debate has moved from should the state have a stake? to on whose terms? The capital tier is racing to define the answer before the political tier does it for them.
The Week Everything Converged
Sanders filed his bill the same day Trump made his equity comments. Fortune captured the convergence with a headline that would have been satirical a year ago: "MAGA hates AI, but Trump agrees with Bernie it might be time for partial government ownership."
The Anthropic wealth pledge preceded both by several months — Dario Amodei published "The Adolescence of Technology," a 38-page essay in February 2026 arguing that AI wealth concentration is unsustainable and proposing that nations create sovereign wealth funds with stakes in AI companies.
Three days before all of this, Trump signed the "Promoting Advanced Artificial Intelligence Innovation and Security" executive order. And underneath it all, AI CEOs are openly worrying that the government will nationalize their companies.
Sanders: The 50% Seizure
Sanders' American AI Sovereign Wealth Fund Act is the most aggressive ownership proposal ever filed for a technology sector.
One-time 50% tax payable in stock. Not a cash tax — a stock transfer. The government would receive voting shares and equal board representation at each qualifying company. This isn't a revenue play. It's a governance takeover.
Sanders' op-ed states the thesis: "Since AI is built on the collective knowledge of humanity, the wealth it generates must benefit humanity."
The bill has zero chance of passing in its current form. Sanders knows this. The purpose is to anchor the Overton window. By proposing 50%, Sanders makes Trump's 10-20% equity discussions look moderate. Every future negotiation over government stakes will be conducted between 0% and 50%.
Trump: The Partnership Model
Trump's approach is structurally different but arrives at the same destination: government equity in AI companies.
CNBC reported the key detail most coverage buried: Sam Altman has been pitching this concept to the Trump administration since early 2025. The government equity stake wasn't Trump's idea — it was the industry's, offered as a voluntary concession to head off mandatory regulation.
Trump described the arrangement as "making them a partnership in this revolution" — positioning the government as a junior partner in a corporate venture, not a sovereign exercising regulatory authority.
This is the deal: give us a piece of the company, and we'll protect you from the people who want half.
Anthropic: The Voluntary Counter-Move
Anthropic's play is the most sophisticated because it pre-empted the political fight entirely.
All seven co-founders pledged to donate 80% of their wealth — approximately $37.8 billion combined. Amodei explicitly proposed that nations create "national sovereign wealth funds with stakes in AI" — the same mechanism Sanders is now legislating and Trump is now negotiating. Anthropic's founders proposed the policy before the politicians adopted it.
The strategic logic: if AI founders are already redistributing their wealth voluntarily, the political argument for forced redistribution weakens. The voluntary pledge is a shield against both Sanders' seizure and Trump's partnership.
Polymarket Reads the Room
The prediction markets are pricing adjacent risks that contextualize the ownership fight.
SpaceX IPO closing market cap above $1 trillion: 98% YES. A trillion-dollar tech IPO underlines the stakes. If SpaceX IPOs at $1T+, the AI companies at the center of the ownership debate are potentially worth multiples of that combined.
AI data center moratorium passed before 2027: 93% YES. The backlash against AI infrastructure is its own political force. A federal moratorium would constrain the very infrastructure that makes AI companies valuable — which paradoxically strengthens the argument for government ownership.
What's Actually Being Decided
Three ownership models are now competing:
Model 1 — Seizure (Sanders): 50% mandatory stock transfer. Maximum public control. Near-zero enactment probability but high influence on the final outcome.
Model 2 — Partnership (Trump): Negotiated equity stakes. Companies offer shares for regulatory certainty. Currently the most likely path.
Model 3 — Philanthropy (Anthropic): Voluntary wealth redistribution. No government ownership. A strategic defense against Models 1 and 2.
The likely outcome is a hybrid. Government equity stakes in some form, philanthropic pressure on non-participants, with Sanders' 50% serving as the threat that keeps both other models moving.
The deeper question: Ownership and control are different things. A government that owns 10% of Anthropic doesn't necessarily have a say in whether a particular model gets released. A founder who's pledged 80% of their wealth still controls 100% of their company's technical decisions. The ownership fight is a proxy for the control fight. And the control fight hasn't started yet.
Originally published at The Arc of Power
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