401(k) · DOL Form 5500 · 2024
Tenneco Automotive Operating Company LLC 401(k) Plan
Data updated 2026-08-25
- $1.8B
- Total assets Very large vs avg
- 13,299
- Participants Very large workforce
- 99th
- Percentile by assets National rank
- $136,787
- Avg per participant Near avg balance/head
Official DOL plan name: Tenneco 401(k) Investment Plan · Sponsored by Tenneco Automotive Operating Company LLC · Michigan · Manufacturing
$1.8B in assets, 13,299 participants
Tenneco Automotive Operating Company LLC's Tenneco 401(k) Investment Plan reported $1.8B in total assets and 13,299 participants in its 2024 DOL Form 5500 filing, ranking in the 99th 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.
- #17,503 in Manufacturing (17,777 peers)
Coverage in Michigan
Tenneco 401(k) Investment Plan covers 13,299 participants in Michigan, 21x the typical Michigan plan (state average ~638 per filing). Assets: $1.8B.
- #17,503
- in Manufacturing (17,777 peers)
- +1.0%
- assets growth YoY
- 18×
- vs typical plan assets (national mean)
Tenneco 401(k) Investment Plan's outsized position by total assets
Tenneco 401(k) Investment Plan vs every filed plan by assets
End-of-year total assets · plan year 2024 · DOL Form 5500
$1,819,124,535 Top 1% higher than 99% 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
Tenneco 401(k) Investment Plan'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. Tenneco 401(k) Investment Plan is a mega filing (13,299 participants), the rightmost band on the breakdown.
What changed between DOL Form 5500 filings
plan year 2023 → plan year 2024
- Tenneco 401(k) Investment Plan reported net income fell from $141M in the plan year 2023 filing to $18M in the plan year 2024 filing.
- Tenneco 401(k) Investment Plan reported participants fell from 14,522 in the plan year 2023 filing to 13,299 in the plan year 2024 filing.
- Tenneco 401(k) Investment Plan end-of-year assets rose from $1.8B in the plan year 2023 filing to $1.8B in the plan year 2024 filing.
EBSA filing schedule strip
Filing strip 741933558 · Tenneco Automotive Operating Company LLC PY 2024 · 401(k)
Tenneco 401(k) Investment Plan · $1.8B · 13,299 · 99th
- SCH $1.8B
- SCH 13,299
- SCH 99th
- SCH 401(k)
- SCH near Carmax, Inc. Retirement Savings Plan
- SCH ind #17503
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 Manufacturing retirement plans → · Plans in Michigan →
Tenneco 401(k) Investment Plan in the asset neighbourhood
Michigan filing particulars
| Total Assets (Beginning of Year) | $1.8B |
|---|---|
| Net Assets (End of Year) | $1.8B |
| Net Income | $18M |
| Employer EIN | 741933558 |
| Plan Effective Date | 2002-11-25 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Tenneco Automotive Operating Company LLC)
Sponsor-wide plan assets over time
All Tenneco Automotive Operating Company LLC plans reported in each filing year
- Latest sponsor-wide plan assets
- $1.8B 9.510720891466384% vs 2022
- 2024 filing year
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 2 | 8,439 | $1.7B |
| 2023 | 1 | 14,522 | $1.8B |
| 2024 | 1 | 13,299 | $1.8B |
Nearby 401(k) Plans in Michigan
Peer 401(k) plans, same state, same plan type, ranked by total assets.
- General Motors Retirement Savings Plan for Salaried Employees in the United States $23.1B · 43,053
- Ford Motor Co. Savings and Stock Investment Plan for Salaried Employees $17.3B · 31,790
- The Dow Chemical Company Employees' Savings Plan $10.8B · 17,128
- The General Motors Personal Savings Plan for Hourly-Rate Employees in the United States $9.6B · 42,513
- Ford Motor Co. Tax-Efficient Savings Plan for Hourly Employees $8.3B · 60,497
Scale composition for Tenneco 401(k) Investment Plan
Tenneco 401(k) Investment Plan reports $1.8B in end-of-year assets across 13,299 participants (0.015% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.014% of 93,925,755 covered participants) - about $136,787 per participant (99% of the national average assets-per-participant) . Net income for plan year 2024 was $18M.
This plan identity (EIN 741933558, plan #144) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $1.7B to $1.8B (+9.5%) while covered participants moved from 6,681 to 13,299 . Single-year sparse filers cannot show that trail.
| Plan year | Participants | EOY assets | Filing |
|---|---|---|---|
| 2022 | 6,681 | $1.7B | Open filing |
| 2023 | 14,522 | $1.8B | Open filing |
| 2024 · index core | 13,299 | $1.8B | This page |
Tenneco 401(k) Investment Plan's out-of-state 401(k) peers by assets and headcount
Outside Michigan, the nearest 401(k) by assets is Carmax, Inc. Retirement Savings Plan in VA ($1.8B); by covered participants it is Hibbett, Inc. 401(k) Profit Sharing Plan in AL (13,281 participants). Same-state nearby plans are listed separately above.
Closest by plan assets
Nearest other-state filings by tot_assets_eoy ($1.8B here).
- Carmax, Inc. Retirement Savings Plan (VA) $1.8B · 29,683
- Brunswick Rewards Plan (IL) $1.8B · 10,284
- Asml US Employees' Savings and Retirement Plan (AZ) $1.8B · 8,351
- Saint-Gobain Corporation 401(k) Plan for Salaried Employees (PA) $1.8B · 6,560
Similar participant headcount
Nearest other-state filings by covered participants (13,299 participants); asset peers above are excluded.
- Hibbett, Inc. 401(k) Profit Sharing Plan (AL) 13,281 · 18 off
- Fedex Office and Print Services, Inc. 401(k) Retirement Savings Plan (TX) 13,321 · 22 off
- Santander 401(k) Plan (PA) 13,334 · 35 off
- Kraft Heinz Savings Plan (PA) 13,335 · 36 off
DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.