S2845-119

In Committee

Billionaires Income Tax Act

119th Congress Introduced Sep 17, 2025

Analysis under review: This bill has generated analysis that may be too generic or incomplete. Clause-level evidence remains available below.

Summary

What This Bill Does

The bill defines short title and table of contents establishing the Billionaires Income Tax Act to require annual taxation of billionaires by eliminating buy-borrow-die strategies, defines states the purpose of the Act: to require billionaires to pay taxes annually through mark-to-market taxation and by closing the buy-borrow-die loophole, and adds new Part IX to Internal Revenue Code requiring applicable taxpayers to recognize gain/loss on tradable assets annually and face deferral recapture on non-tradable assets. It relies on tax rate changes, definition changes, reporting requirements, and compliance mandates. The main policy areas are Finance, Taxation, and Technology.

Who Benefits and How

Federal Treasury could gain revenue opportunities, Applicable taxpayers with primary residences could see lower costs, and Applicable taxpayers with capital losses from market downturns could see lower costs.

Who Bears the Burden and How

Ultra-high-net-worth individuals using buy-borrow-die strategies could face higher costs, Ultra-high-net-worth individuals meeting $100M threshold could face higher costs, and Owners of stocks, bonds, and derivatives on established markets could face higher costs.

Key Provisions

  • Defines short title and table of contents establishing the Billionaires Income Tax Act to require annual taxation of billionaires by eliminating buy-borrow-die strategies.
  • Defines states the purpose of the Act: to require billionaires to pay taxes annually through mark-to-market taxation and by closing the buy-borrow-die loophole.
  • Adds new Part IX to Internal Revenue Code requiring applicable taxpayers to recognize gain/loss on tradable assets annually and face deferral recapture on non-tradable assets.
  • Creates core provision requiring annual mark-to-market taxation of tradable covered assets, recognition at year-end, and treatment as long-term capital gains.
  • Creates details treatment of tradable covered assets: gain/loss recognized at fair market value on taxable event date, treated as long-term capital gain/loss with basis adjustments.

Evidence Chain:

This summary is generated from the full bill text using AI analysis. Expand "Detailed Analysis" below for identified beneficiaries/burden bearers with clause-level evidence links.

At a Glance

What This Bill Does

The bill defines short title and table of contents establishing the Billionaires Income Tax Act to require annual taxation of billionaires by eliminating buy-borrow-die strategies, defines states the purpose of the Act: to require billionaires to pay taxes annually through mark-to-market taxation and by closing the buy-borrow-die loophole, and adds new Part IX to Internal Revenue Code requiring applicable taxpayers to recognize gain/loss on tradable assets annually and face deferral recapture on non-tradable assets.

Key Policy Areas

Finance, Taxation, Technology

Primary Purpose

The bill defines short title and table of contents establishing the Billionaires Income Tax Act to require annual taxation of billionaires by eliminating buy-borrow-die strategies, defines states the purpose of the Act: to require billionaires to pay taxes annually through mark-to-market taxation and by closing the buy-borrow-die loophole, and adds new Part IX to Internal Revenue Code requiring applicable taxpayers to recognize gain/loss on tradable assets annually and face deferral recapture on non-tradable assets.

Policy Domains

Finance Taxation Technology

Title I - Mark-to-Market Taxation

Identified Gains
  • Federal Treasury
  • Applicable taxpayers with primary residences
  • Applicable taxpayers with capital losses from market downturns
Model: codex-gpt-5:bulk-repair | Version: bill_summary_v2 | Source: is
Federal Treasury:
Applicable taxpayers with primary residences:
Applicable taxpayers with capital losses from market downturns:
Identified Costs
  • Ultra-high-net-worth individuals using buy-borrow-die strategies
  • Ultra-high-net-worth individuals meeting $100M threshold
  • Owners of stocks, bonds, and derivatives on established markets
  • Holders of publicly traded securities meeting applicable taxpayer threshold
  • Heirs of billionaires
Model: codex-gpt-5:bulk-repair | Version: bill_summary_v2 | Source: is
Heirs of billionaires:
Ultra-high-net-worth individuals meeting $100M threshold:
Owners of stocks, bonds, and derivatives on established markets:
Ultra-high-net-worth individuals using buy-borrow-die strategies:
Holders of publicly traded securities meeting applicable taxpayer threshold:

Legislative Progress

In Committee
Introduced Committee Passed
Sep 17, 2025

Mr. Wyden (for himself, Mr. Whitehouse, Ms. Warren, Mr. Sanders, …

Sep 17, 2025

Read twice and referred to the Committee on Finance.

Sep 17, 2025

Introduced in Senate

Stakeholder Effects

cui bono?

How this legislation distributes effects. Mention counts reflect frequency, not effect magnitude.

Financial Services
20 mentions across 16 clauses
+1 positive -19 negative

Applicable taxpayers (individuals with $100M+ wealth or $10M+ income), Applicable taxpayers using life insurance for tax deferral, Applicable taxpayers with capital losses from market downturns

Positive-direction: Applicable taxpayers with capital losses from market downturns

Negative-direction: Applicable taxpayers (individuals with $100M+ wealth or $10M+ income), Applicable taxpayers using life insurance for tax deferral, Applicable taxpayers with investment income, Billionaires holding publicly traded securities, Family offices managing pass-through structures, High-income individuals meeting $10M income threshold, Holders of publicly traded securities meeting applicable taxpayer threshold, Life insurance and annuity issuers, Life insurance companies offering policies to wealthy individuals, Newly-qualifying applicable taxpayers, Opportunity zone fund managers, Owners of private company stock, Owners of stocks, bonds, and derivatives on established markets, Partnerships with billionaire owners, Pass-through entities with billionaire owners transferring assets, Private equity fund managers with carried interest, US beneficiaries of foreign trusts, Ultra-high-net-worth individuals meeting $100M threshold, Ultra-high-net-worth individuals using buy-borrow-die strategies

Business
4 mentions across 4 clauses
-4 negative

Corporate executives with large deferred compensation packages, Employers paying large deferred compensation, Executives with deferred compensation exceeding $100M

General Public
4 mentions across 4 clauses
+1 positive -3 negative

Federal Treasury, Heirs of billionaires, Trust beneficiaries receiving appreciated property

Positive-direction: Federal Treasury

Negative-direction: Heirs of billionaires, Trust beneficiaries receiving appreciated property, Wealthy individuals renouncing US citizenship or residency

Real Estate
3 mentions across 3 clauses
+1 positive -2 negative

Applicable taxpayers with primary residences, Holders of real estate and other illiquid assets, Wealthy investors using opportunity zone investments for tax deferral

Positive-direction: Applicable taxpayers with primary residences

Negative-direction: Holders of real estate and other illiquid assets, Wealthy investors using opportunity zone investments for tax deferral

Professional Services
2 mentions across 2 clauses
-2 negative

Estate planning attorneys and wealth advisors, Offshore trust planners and administrators

Trust Administration
1 mention across 1 clause
-1 negative

Trust administrators for applicable taxpayer trusts

Venture Capital
1 mention across 1 clause
-1 negative

Billionaire venture capital investors

Technology
1 mention across 1 clause
-1 negative

Founders of successful startups meeting applicable taxpayer threshold

25/26
sections analyzed
Full impact breakdown

Bill Structure & Actor Mappings

Who is "The Secretary" in each section?

Domains
Finance Taxation Technology
Actor Mappings
"the_secretary"
→ Secretary of the Treasury
Domains
Taxation Capital Gains Estate Planning
Actor Mappings
"the_secretary"
→ Secretary of the Treasury
Domains
Taxation Estate Planning
Actor Mappings
"the_secretary"
→ Secretary of the Treasury

Key Definitions

Terms defined in this bill

6 terms
"taxable event" §491

Year-end holding of tradable assets OR any disregarded nonrecognition event (transfers that would normally defer gain)

"deferral recapture amount" §492

Interest on deferred taxes calculated from when gain first accrued until asset is sold

"applicable entity" §493

Partnership, S corporation, or other pass-through entity subject to reporting requirements when owned by applicable taxpayers

"applicable taxpayer" §495

Individual with net worth of $100 million+ OR adjusted gross income of $10 million+ (based on 3-year lookback)

"tradable covered asset" §495_tradable

Assets traded on established securities markets (stocks, bonds, derivatives) - subject to annual mark-to-market

"nontradable covered asset" §495_nontradable

Covered assets not traded on established markets - subject to deferral recapture upon sale

We use a combination of our own taxonomy and classification in addition to large language models to assess meaning and potential beneficiaries. High confidence means strong textual evidence. Always verify with the original bill text.

Learn more about our methodology