Tronox 401(k) match, vesting and fees

Plan year 2024 filingTronox Incorporated Savings Investment Plan · Plan 001 · EIN 20-2868245Updated Oct 2026

What Tronox's 401(k) plan says about matching contributions

The match terms have not been published from this plan's filing yet.
The plan year 2024 filing reports $9M in employer contributions, about $10,709 per participant. That total includes any match and profit-sharing; it is not a match formula. Plan year 2024 Form 5500 ↗
$311,740
Average account balance
849
Participants (end of year)
$261M
Plan assets (end of year)
0.05%
Admin expenses ÷ assets

Plan features

Match, vesting and enrollment details have not been published from this plan's audit report yet. The figures below come from the structured filing.

RecordkeeperFidelity Investments InstitutionalSchedule C ↗
Independent auditorCliftonlarsonallen LLP (unmodified opinion, limited scope)Schedule H ↗
Plan type and status401(k) · ActiveForm 5500 ↗
Late participant contributionsReported on the filingSchedule H ↗

How the plan compares

Plan year 2024 medians for 1,613 defined-contribution plans in manufacturing with 500 to 999 participants.

Tronox: employer contribution per participant$10,709
Peer median$2,038
Tronox: average balance$311,740
Peer median$72,951
Tronox: admin expenses ÷ assets0.05%
Peer median0.20%

Admin expenses are the plan's reported administrative expenses divided by its assets; they do not include fund expense ratios.

Plan history

Plan assets went from $224M at the end of plan year 2023 to $261M at the end of plan year 2024.

$224M2023$261M2024
End-of-year figures from each plan year's Form 5500 filing for the Tronox plan.
Plan yearParticipantsAssetsEmployer contributionsPer participantAdmin expense ratioMatch formulaFiling
2024849$261M$9M$10,7090.05%Not publishedForm 5500 ↗
2023822$224M$9.1M$11,1390.02%Not publishedForm 5500 ↗

Other Tronox plans (1)

Each plan files its own Form 5500. Figures are from each plan's latest filing.

Tronox Incorporated Retirement Plan

Plan 002 · EIN 20-2868245 · plan year 2024 filing
$70,106
Average account balance
2,439
Participants (end of year)
$171M
Plan assets (end of year)
1.86%
Admin expenses ÷ assets

Plan features

Match, vesting and enrollment details have not been published from this plan's audit report yet. The figures below come from the structured filing.

RecordkeeperWillis Towers Watson US LLCSchedule C ↗
Independent auditorCliftonlarsonallen LLP (unmodified opinion, limited scope)Schedule H ↗
Plan type and statusPension (defined benefit) · ActiveForm 5500 ↗

Common questions

Does Tronox match 401(k) contributions?

The match terms for the Tronox Incorporated Savings Investment Plan have not been published from its filing yet. The plan year 2024 filing reports $9M in employer contributions, about $10,709 per participant. That total includes any match and profit-sharing; it is not a match formula.

When is the Tronox 401(k) match vested?

The vesting schedule for the Tronox Incorporated Savings Investment Plan is not in the data published so far. Your Summary Plan Description states it.

Who manages the Tronox 401(k)?

The recordkeeper listed on Schedule C of the plan year 2024 filing is Fidelity Investments Institutional. The plan administrator is Tronox Incorporated.

I left Tronox. How do I find my old 401(k)?

Your account stays in the plan until you move it. Contact the plan administrator (Tronox Incorporated, (203) 705-3800) or the recordkeeper, Fidelity Investments Institutional. The Tronox old 401(k) page lists the contacts from every plan filing. Find an old Tronox 401(k)

Data from the public Form 5500 annual reports Tronox filed with the U.S. Department of Labor (plan years 2023 and 2024) and, where noted, the attached independent auditor's report. Plan terms may have changed since the filing; check your current Summary Plan Description. PlanFacts is not affiliated with Tronox. Not financial advice. Report a correction · Methodology