Stop Corporate Inversions Act of 2026
Senate Bill Targets Corporate Inversions, Would Treat U.S.-Run Companies as American for Tax Purposes
Legislative Progress
Key Points
- This bill aims to stop 'corporate inversions.' This happens when a U.S. company merges with a foreign company and moves its legal 'home' to a different country with lower taxes, even if most of its actual work stays in America.
- Large corporations would find it much harder to claim they are 'foreign' for tax purposes. If more than 50% of the company is still owned by the original U.S. shareholders, or if the top bosses still run the company from the U.S., the government will still tax them as an American company.
- A company would be considered American if its management is based in the U.S. and at least 25% of its employees, pay, assets, or income are tied to the United States. This prevents companies from being 'foreign' on paper while remaining 'American' in how they actually operate.
- Supporters say this prevents companies from using U.S. infrastructure, schools, and workers while avoiding the taxes that pay for those services. It is designed to ensure that businesses that benefit from the American market pay their fair share of taxes.
- The bill is written to apply to business deals made as far back as May 2014. This means companies that moved their headquarters years ago to save on taxes could be required to start paying U.S. taxes again.
Impact Analysis
Personal Impact
This bill primarily targets large multinational corporations rather than small businesses. However, small business owners could indirectly benefit if corporate inversions are curbed, since the resulting tax revenue could reduce pressure to raise taxes elsewhere, and a more level playing field means large competitors can't gain unfair tax advantages by relocating on paper to foreign countries.
Milestones
Read twice and referred to the Committee on Finance. (text: CR S579-580)
Sent to a congressional committee for expert review. The committee decides whether this bill moves forward.
Introduced in Senate
The bill was officially filed and given a number. It now enters the legislative queue.
Votes
No votes have been recorded for this legislation yet.
Related News
4 articlesDurbin, Reed, Doggett Reintroduce Bill to Close Corporate Tax Inversion Loopholes
Senate Democrats reintroduced the Stop Corporate Inversions Act, a measure aimed at preventing U.S. companies from shifting their tax domicile abroad. The bill would treat merged firms as domestic if original owners retain more than 50% control of the new entity.
Legislative risk: S.3847 (Stop Corporate Inversions Act of 2026) was flagged as potentially relevant to multinationals including AMGN
S.3847 (Stop Corporate Inversions Act of 2026) was flagged as potentially relevant to multinationals including Amgen; the bill would tighten rules around inversion tax treatment — a longer-term policy item to monitor but not an immediate earnings driver.

Durbin, Others, Introduce Bill To Stop Tax Dodging Schemes
The Stop Corporate Inversions Act of 2026 would treat a combined foreign corporation as a domestic corporation if the shareholders of the former U.S. corporation own more than 50 percent of the new entity, or if the group is managed and controlled in the United States.
Source Information
Document Type
Congressional Bill
Official Title
Stop Corporate Inversions Act of 2026
Data Sources
Sponsor
Cosponsors
(9)Analysis generated by AI. Always verify with official sources.