# Illinois SB3376: MARK-TO-MARKET TAX ACT

Illinois SB3376, MARK-TO-MARKET TAX ACT, is a 104th General Assembly (2025–2026) Senate bill sponsored by Karina Villa (Democratic); status in committee, last action 2026-04-23 (Added as Co-Sponsor Sen. Mike Simmons) (as of 2026-11-01).

- Canonical: https://policyrisk.com/state-bill/IL-SB3376-2025-2026
- As of: 2026-11-01
- Plain-text twin of the page above; the HTML and this file carry the same facts.

## Facts
- Bill: Illinois SB3376
- State: Illinois
- Session: 104th General Assembly (2025–2026)
- Title: MARK-TO-MARKET TAX ACT
- Status: in committee
- Chamber: Senate
- Introduced: 2026-02-04
- Last action: 2026-04-23, Added as Co-Sponsor Sen. Mike Simmons
- Sponsor: Karina Villa (Democratic)
- Cosponsors: 12
- Subjects: assignments
- Touches household money: no
- Economic provisions PRIA read: 0

## Summary

Creates the Extremely High Wealth Mark-to-Market Tax Act. Provides that a resident taxpayer with net assets worth $1,000,000,000 or more shall recognize gains or losses as if each asset owned by that taxpayer had been sold for its fair market value on December 31 of the taxable year. Contains provisions concerning the calculation of the amount of tax due from those gains or losses. Amends the Illinois Income Tax Act to make conforming changes. Effective immediately.

## Bill overview

No economic impacts identified for this bill.

## Sponsors and cosponsors

- Sponsor: Karina Villa (Democratic), Senate
- Cosponsor: Adriane L. Johnson (Democratic), Senate
- Cosponsor: Emil Jones, III (Democratic), Senate
- Cosponsor: Graciela Guzmán (Democratic), Senate
- Cosponsor: Javier L. Cervantes (Democratic), Senate
- Cosponsor: Lakesia Collins (Democratic), Senate
- Cosponsor: Mark L. Walker (Democratic), Senate
- Cosponsor: Mattie Hunter (Democratic), Senate
- Cosponsor: Mike Simmons (Democratic), Senate
- Cosponsor: Napoleon Harris III (Democratic), Senate
- Cosponsor: Rachel Ventura (Democratic), Senate
- Cosponsor: Ram Villivalam (Democratic), Senate
- Cosponsor: Willie Preston (Democratic), Senate

## Actions (15)

- 2026-04-23: Added as Co-Sponsor Sen. Mike Simmons (Senate)
- 2026-04-17: Added as Co-Sponsor Sen. Emil Jones, III (Senate)
- 2026-04-16: Added as Co-Sponsor Sen. Napoleon Harris III (Senate)
- 2026-04-15: Added as Co-Sponsor Sen. Willie Preston (Senate)
- 2026-03-11: Added as Co-Sponsor Sen. Lakesia Collins (Senate)
- 2026-03-10: Added as Co-Sponsor Sen. Mattie Hunter (Senate)
- 2026-03-05: Added as Co-Sponsor Sen. Ram Villivalam (Senate)
- 2026-02-27: Added as Co-Sponsor Sen. Mark L. Walker (Senate)
- 2026-02-27: Added as Chief Co-Sponsor Sen. Graciela Guzmán (Senate)
- 2026-02-26: Added as Co-Sponsor Sen. Adriane L. Johnson (Senate)
- 2026-02-25: Added as Co-Sponsor Sen. Javier L. Cervantes (Senate)
- 2026-02-09: Added as Co-Sponsor Sen. Rachel Ventura (Senate)
- 2026-02-04: Referred to Assignments (Senate)
- 2026-02-04: First Reading (Senate)
- 2026-02-04: Filed with Secretary by Sen. Karina Villa (Senate)

## Bill text

- Introduced: [PDF](https://www.ilga.gov/documents/legislation/104/SB/PDF/10400SB3376.pdf)

## Related bills

- HB5198: AFFORDABLE HOUSING-CILAS (passed house)
- SB1937: PENSION CODE-VARIOUS (passed senate)
- HB2563: CONDO-RESERVE STUDY (in committee)
- HB4701: LIMITATIONS FACILITY FEES ACT (in committee)
- SB3008: DHS-ABLE PROGRAM INFO MATERIAL (passed senate)
- SB3484: VEH CD-PLATES-REGISTRATION (signed)

## Sources
- [Introduced (PDF)](https://www.ilga.gov/documents/legislation/104/SB/PDF/10400SB3376.pdf)

## Related
- [HB5198: AFFORDABLE HOUSING-CILAS](https://policyrisk.com/state-bill/IL-HB5198-2025-2026)
- [SB1937: PENSION CODE-VARIOUS](https://policyrisk.com/state-bill/IL-SB1937-2025-2026)
- [HB2563: CONDO-RESERVE STUDY](https://policyrisk.com/state-bill/IL-HB2563-2025-2026)
- [HB4701: LIMITATIONS FACILITY FEES ACT](https://policyrisk.com/state-bill/IL-HB4701-2025-2026)
- [SB3008: DHS-ABLE PROGRAM INFO MATERIAL](https://policyrisk.com/state-bill/IL-SB3008-2025-2026)
- [SB3484: VEH CD-PLATES-REGISTRATION](https://policyrisk.com/state-bill/IL-SB3484-2025-2026)
- [Illinois bills](https://policyrisk.com/states/illinois/bills)
- [Illinois state hub](https://policyrisk.com/states/illinois)
- [All state legislation](https://policyrisk.com/state-bills)

Source: PRIA, https://policyrisk.com/state-bill/IL-SB3376-2025-2026 (as of 2026-11-01).