401(k) · DOL Form 5500 · 2022

T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust

Data updated 2026-05-15

$7.3B
Total assets
75,797
Participants
100th
Percentile by assets
$96,046
Avg per participant

Sponsored by T-Mobile USA, Inc. · Washington · Information & Media

What the 2022 filing shows

T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust holds $7.3B for 75,797 participants - about $96,046 per participant, among the largest 1% of all filed plans, down 18.8% over the 2022 plan year.

$7.3B
total plan assets (2022 EOY)
75,797
covered participants
100th
percentile by assets (of 139,258 plans)
$96,046
avg assets per participant

The plan reported a net loss of $1.7B for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

State
Industry
Information & Media

401(k) · DOL Form 5500 · 2022

What the Filing Says About T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust

T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust is a 401(k) retirement plan sponsored by T-Mobile USA, Inc., headquartered in Washington. According to the U.S. Department of Labor's 2022 Form 5500 filing, the plan reports $7.3B in total end-of-year assets and covers 75,797 participants across the Information & Media industry. The sponsor's EIN on file with the U.S. Department of Labor is 911983600, and the plan has been effective since 2000-01-01. Its filing status is currently FILING RECEIVED.

Year over year, total assets declined sharply from $9.0B at the beginning of 2022 to $7.3B at year-end - down 18.8%. Net assets (after liabilities) closed the year at $7.3B, with reported net income of -$1.7B driven by investment returns, contributions received, and benefit payments during the period. These figures reflect what the plan administrator certified on Schedule H or Schedule I of the Form 5500 annual return and can be compared against 2 prior plan-year filings from the same sponsor shown below.

Across the 3 plan years T-Mobile USA, Inc. has on file with PlainRetire (2022-2024), sponsor-wide plan assets have moved from $7.3B to $9.1B, a gain of 24.3%, while reported participants moved from 75,797 to 66,624 (-12.1%). The strongest year on file by total sponsor assets was 2024 at $9.1B; the softest was 2022 at $7.3B. Year-by-year, sponsor-wide filings show: 2022 - $7.3B in assets across 1 plan covering 75,797 participants; 2023 - $8.3B in assets across 1 plan covering 71,538 participants; 2024 - $9.1B in assets across 1 plan covering 66,624 participants.

By assets, T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust outranks nearly all the 139,258 plans that filed a Form 5500 for the 2022 plan year, and holds roughly 73x the national average plan size of $100M and 730 average participants.

Asset totals and participant counts reflect a single plan year snapshot and can change materially with market conditions, plan mergers, or workforce changes. Fields such as "net income" include both realized investment performance and contribution/distribution flows, a single-year figure does not by itself indicate plan health or participant outcomes. This page summarizes public DOL disclosures for research and educational purposes only and is not retirement, tax, legal, or financial advice. Before making decisions about your own retirement benefits or evaluating an employer's plan, verify the underlying filing directly via the DOL EFAST2 system and consult a qualified professional.

How the percentile is calculated: we count every plan that filed a 2022 Form 5500 with a reported end-of-year asset figure (139,258 plans), rank T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust against all of them by total assets, and report the share of those plans it outranks. A plan reporting no asset figure for the year is excluded from the ranking rather than assumed to be zero.

Financial Summary (2022)

Total Assets (Beginning of Year)$9.0B
Total Assets (End of Year)$7.3B
Net Assets (End of Year)$7.3B
Net Income-$1.7B
Plan Type401(k)
Employer EIN911983600
Plan Effective Date2000-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (T-Mobile USA, Inc.)

Year Plans Participants Total Assets
2022 1 75,797 $7.3B
2023 1 71,538 $8.3B
2024 1 66,624 $9.1B

Nearby 401(k) Plans in Washington

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

Frequently Asked Questions

How much money is in the T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust?
As of the 2022 Form 5500 filing, T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust holds $7.3B in total assets with 75,797 participants. It is sponsored by T-Mobile USA, Inc..
What type of plan is T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust?
T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust is a 401(k) plan. It has been effective since 2000-01-01. The plan is filed with the U.S. Department of Labor under EIN 911983600.
Who sponsors the T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust?
T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust is sponsored by T-Mobile USA, Inc., located in Washington. The sponsor's EIN is 911983600 and the plan operates in the Information & Media industry.
How did T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust perform in 2022?
T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust declined sharply - down 18.8% during 2022, moving from $9.0B to $7.3B in total assets. Net income was -$1.7B.

What this filing means

Ways to act on T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust's numbers.

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2022.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 911983600.

Reference: IRS Publication 560, Retirement Plans for Small Business, contribution-limit rules.

Reference: IRS Publication 590-B, Distributions from IRAs, RMD rules under SECURE Act 2.0.

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

Every figure on PlainRetire is rendered directly from the Department of Labor's Form 5500 annual return filings, no number is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error. Data current as of 2026-05-15.