401(k) · DOL Form 5500 · 2024
T-Mobile USA, Inc. 401(k) Plan
Data updated 2026-08-25
- $9.1B
- Total assets Very large vs avg
- 66,624
- Participants Very large workforce
- 100th
- Percentile by assets National rank
- $135,864
- Avg per participant Near avg balance/head
Official DOL plan name: T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust · Sponsored by T-Mobile USA, Inc. · Washington · Information & Media
$9.1B in assets, 66,624 participants
T-Mobile USA, Inc.'s T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust reported $9.1B in total assets and 66,624 participants in its 2024 DOL Form 5500 filing, ranking in the 100th 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.
- #2,811 in Information & Media (2,822 peers)
Coverage in Washington
T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust covers 66,624 participants in Washington, 45x the typical Washington plan (state average ~1,476 per filing). Assets: $9.1B.
- #2,811
- in Information & Media (2,822 peers)
- +8.5%
- assets growth YoY
- 91×
- vs typical plan assets (national mean)
T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust's outsized position by total assets
T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust vs every filed plan by assets
End-of-year total assets · plan year 2024 · DOL Form 5500
$9,051,824,432 Highest reported value at or above every one of 123,620 filed plans
Dashed line + filled bar = this entry, among filed plans.
Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2024
T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust's mega-plan peer group by participant headcount
Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust is a mega filing (66,624 participants), the rightmost band on the breakdown.
What changed between DOL Form 5500 filings
plan year 2023 → plan year 2024
- T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust reported net income fell from $1.1B in the plan year 2023 filing to $713M in the plan year 2024 filing.
- T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust end-of-year assets rose from $8.3B in the plan year 2023 filing to $9.1B in the plan year 2024 filing.
- T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust reported participants fell from 71,538 in the plan year 2023 filing to 66,624 in the plan year 2024 filing.
Published 5500 schedule card
Filing strip 911983600 · T-Mobile USA, Inc. PY 2024 · 401(k)
T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust · $9.1B · 66,624 · 100th
- EBSA $9.1B
- EBSA 66,624
- EBSA 100th
- EBSA 401(k)
- EBSA near American Express Retirement Savings Plan
- EBSA ind #2811
Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Information & Media retirement plans → · Plans in Washington →
T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust in the asset neighbourhood
Washington filing particulars
| Total Assets (Beginning of Year) | $8.3B |
|---|---|
| Net Assets (End of Year) | $9.1B |
| Net Income | $713M |
| Employer EIN | 911983600 |
| Plan Effective Date | 2000-01-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (T-Mobile USA, Inc.)
Sponsor-wide plan assets over time
All T-Mobile USA, Inc. plans reported in each filing year
- Latest sponsor-wide plan assets
- $9.1B 24.33771146884763% vs 2022
- 2024 filing year
| 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.
- The Boeing Company 401(k) Retirement Plan $73.9B · 139,394
- Microsoft Corporation Savings Plus 401(k) Plan $65.6B · 118,818
- Costco 401(k) Retirement Plan $41.0B · 202,468
- Amazon 401(k) Plan $34.6B · 1,209,303
- 401(k) Savings Plan $10.1B · 86,668
Scale composition for T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust
T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust reports $9.1B in end-of-year assets across 66,624 participants (0.073% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.071% of 93,925,755 covered participants) - about $135,864 per participant (98% of the national average assets-per-participant) . Net income for plan year 2024 was $713M.
This plan identity (EIN 911983600, plan #001) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $7.3B to $9.1B (+24.3%) while covered participants moved from 75,797 to 66,624 . Single-year sparse filers cannot show that trail.
| Plan year | Participants | EOY assets | Filing |
|---|---|---|---|
| 2022 | 75,797 | $7.3B | Open filing |
| 2023 | 71,538 | $8.3B | Open filing |
| 2024 · index core | 66,624 | $9.1B | This page |
T-Mobile USA, Inc. 401(k) Retirement Savings Plan & Trust's out-of-state 401(k) peers by assets and headcount
Outside Washington, the nearest 401(k) by assets is American Express Retirement Savings Plan in NY ($9.1B); by covered participants it is Fidelity Retirement Savings Plan in MA (66,907 participants). Same-state nearby plans are listed separately above.
Closest by plan assets
Nearest other-state filings by tot_assets_eoy ($9.1B here).
- American Express Retirement Savings Plan (NY) $9.1B · 25,030
- Salesforce 401(k) Plan (CA) $9.1B · 36,689
- Parker Retirement Savings Plan (OH) $9.0B · 26,315
- Charter Communications, Inc. 401(k) Savings Plan (NC) $8.9B · 102,013
Similar participant headcount
Nearest other-state filings by covered participants (66,624 participants); asset peers above are excluded.
- Fidelity Retirement Savings Plan (MA) 66,907 · 283 off
- Accenture United States 401(k) Match and Savings Plan (IL) 66,965 · 341 off
- Southwest Airlines Co. Retirement Savings Plan (TX) 67,820 · 1,196 off
- Intermountain Health 401(k) Plan (UT) 68,360 · 1,736 off
DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.