401(k) · DOL Form 5500 · 2024

Rio Tinto America Inc. 401(k) Plan

Data updated 2026-07-24

$687M
Total assets: 1,926
Participants: 98th
Percentile by assets: $356,694
Avg per participant

Official DOL plan name: Rio Tinto America Inc. 401(k) Savings Plan and Investment Partnership Plan · Sponsored by Rio Tinto America Inc. · Utah · Mining & Oil Extraction

$687M in assets, 1,926 participants

Rio Tinto America Inc.'s Rio Tinto America Inc. 401(k) Savings Plan and Investment Partnership Plan reported $687M in total assets and 1,926 participants in its 2024 DOL Form 5500 filing, ranking in the 98th percentile by assets among filed plans. Figures are as reported by the plan sponsor to the Department of Labor, not audited or endorsed by PlainRetire.

98th percentile by assets (of 116,472 plans)

Coverage in Utah

Rio Tinto America Inc. 401(k) Savings Plan and Investment Partnership Plan covers 1,926 participants in Utah, 3.2x the typical Utah plan (state average ~609 per filing). Assets: $687M.

$687M
total plan assets (2024 EOY): 1,926
covered participants: 98th
percentile by assets (of 116,472 plans): $356,694
avg assets per participant

Rio Tinto America Inc. 401(k) Savings Plan and Investment Partnership Plan reported net income fell from $95M in the plan year 2023 filing to $71M in the plan year 2024 filing.
Rio Tinto America Inc. 401(k) Savings Plan and Investment Partnership Plan end-of-year assets rose from $615M in the plan year 2023 filing to $687M in the plan year 2024 filing.
Rio Tinto America Inc. 401(k) Savings Plan and Investment Partnership Plan reported participants rose from 1,802 in the plan year 2023 filing to 1,926 in the plan year 2024 filing.

See the national 2023→2024 release diff →

State

Utah

Industry

Mining & Oil Extraction

Participants vs Utah filers

In Utah, the average filing covers about 609 participants across 1,226 plans. Rio Tinto America Inc. 401(k) Savings Plan and Investment Partnership Plan reports 1,926 participants - 3.2x that state average ($687M EOY assets).

Utah filing particulars

Total Assets (Beginning of Year)	$615M
Net Assets (End of Year)	$687M
Net Income	$71M
Employer EIN	113359689
Plan Effective Date	2003-01-01
Filing Status	FILING RECEIVED

Sponsor Plan History (Rio Tinto America Inc.)

Total plan assets by year, all Rio Tinto America Inc. plans on file

Year	Plans	Participants	Total Assets
2022	2	3,227	$1.4B
2023	2	3,446	$1.6B
2024	2	3,490	$1.6B

Nearby 401(k) Plans in Utah

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Rio Tinto America Inc. 401(k) Savings Plan and Investment Partnership Plan vs. nearby 401(k) plans in Utah, assets vs. participants

Intermountain Health 401(k) Plan $6.8B · 68,360
Deseret 401(k) Plan $6.1B · 25,301
Zions Bancorporation, N.a. Payshelter 401(k) and Employee Stock Ownership Plan $1.9B · 9,972
Skywest, Inc. Employees' Retirement Plan $1.4B · 14,259
Autoliv Asp, Inc. Employee Savings and Investment Plan $687M · 4,130

Compare Rio Tinto America Inc. 401(k) Savings Pl… side-by-side with 3 peers →

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Rio Tinto America Inc. 401(k) Savings Plan and Investment Partnership Plan by total assets, not by location.

Fenwick & West LLP 401(k) Retirement Savings Plan (CA) $687M · 1,203
Terex Corporation and Affiliates 401(k) Retirement Savings Plan (CT) $687M · 4,280
Freeman 401(k) Plan (TX) $686M · 4,558
Manpowergroup 401(k) Savings Plan (WI) $686M · 32,496

Frequently Asked Questions

How did Rio Tinto America Inc. 401(k) Savings Plan and Investment Partnership Plan assets move in 2024? ▼

Rio Tinto America Inc. 401(k) Savings Plan and Investment Partnership Plan grew at a solid clip - up 11.8% during 2024, from $615M to $687M. Reported net income was $71M.

How have Rio Tinto America Inc. plan assets changed over time? ▼

Across 3 plan years on file (2022-2024), Rio Tinto America Inc.'s sponsor-wide assets grew 17.9%, from $1.4B to $1.6B.

Where does Rio Tinto America Inc. 401(k) Savings Plan and Investment Partnership Plan rank by assets among Form 5500 filers? ▼

Rio Tinto America Inc. 401(k) Savings Plan and Investment Partnership Plan ranks in the 98th percentile by end-of-year assets among 116,472 plans that reported assets for plan year 2024 (in the top 5% of all filed plans by assets).

Which 401(k) plans are similar in size to Rio Tinto America Inc. 401(k) Savings Plan and Investment Partnership Plan? ▼

Among 401(k) plans in other states, the closest by assets is Fenwick & West LLP 401(k) Retirement Savings Plan in CA ($687M, 1,203 participants).

Next read for Rio Tinto America Inc. 401(k) Savings Pl…

Filing takeaways

Ways to act on Rio Tinto America Inc. 401(k) Savings Plan and Investment Partnership Plan's numbers.

By total assets, Rio Tinto America Inc. 401(k) Savings Plan and Investment Partnership Plan ranks in the top 5% of all filed plans by assets. See the largest plans
Compare it side-by-side against 3 similar 401(k) plans in Utah. Compare plans
Rio Tinto America Inc.'s sponsor-wide assets have grown 17.9% since 2022 across 3 plan years on file. More Mining & Oil Extraction plans

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 113359689.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.