401(k) · DOL Form 5500 · 2022

Piston Automotive, LLC 401(k) Plan

Data updated 2026-08-25

$27M
Total assets Below avg plan size
903
Participants Near avg headcount
81st
Percentile by assets National rank
$29,911
Avg per participant Low balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Piston Group 401(k) Plan · Sponsored by Piston Automotive, LLC · Michigan · Manufacturing

$27M in assets, 903 participants

Piston Automotive, LLC's Piston Group 401(k) Plan reported $27M in total assets and 903 participants in its 2022 DOL Form 5500 filing, ranking in the 81st 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.

  • #15,190 in Manufacturing (20,602 peers)

Where Piston Group 401(k) Plan sits by assets

Piston Group 401(k) Plan sits in the top quartile of all filed plans by assets, $27M for 903 participants (~$29,911/participant), down 11.4% in 2022.

#15,190
in Manufacturing (20,602 peers)
-11.4%
assets change YoY
0.3×
vs typical plan assets (national mean)

The plan reported a net loss of $3M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Piston Group 401(k) Plan's outsized position by total assets

Piston Group 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2022 · DOL Form 5500

$27,009,822 Top 19% higher than 81% of 139,123 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2022

Piston Group 401(k) Plan among mid-size filed plans by headcount

Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Piston Group 401(k) Plan sits mid-pack in the medium band (903 participants).

DOL schedule card

Filing strip 383355223 · Piston Automotive, LLC PY 2022 · 401(k)

Piston Group 401(k) Plan · $27M · 903 · 81st

  • ASSETS $27M
  • ASSETS 903
  • ASSETS 81st
  • ASSETS 401(k)
  • ASSETS near William Raveis Employees Savings & Retirement
  • ASSETS ind #15190

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 →

Piston Group 401(k) Plan in the asset neighbourhood

Piston Group 401(k) Plan$27MWilliam Raveis Employees Savings & RetirementWilliam Raveis Employees Sav…$27MRamos Oil Company, Inc. 401(k) Profit Sharing PlanRamos Oil Company, Inc. 401(…$27MThe Jaco 401(k) Retirement PlanThe Jaco 401(k) Retirement P…$27MWebb-Mason, LLC. 401(k) Profit Sharing PlanWebb-Mason, LLC. 401(k) Prof…$27M
End-of-year total assets ($M) among Piston Group 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

Scale-class filing particulars (2022)

Total Assets (Beginning of Year)$30M
Net Assets (End of Year)$27M
Net Income-$3M
Employer EIN383355223
Plan Effective Date1991-07-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Piston Automotive, LLC)

Sponsor-wide plan assets over time

All Piston Automotive, LLC plans reported in each filing year

Latest sponsor-wide plan assets
$42M 55.96781792934436% vs 2022
2024 filing year
$25M$30M$35M$40M$45M 202220232024 $27M $42.1M ▲ +56.0%
Year Plans Participants Total Assets
2022 1 903 $27M
2023 1 977 $35M
2024 1 1,195 $42M

Nearby 401(k) Plans in Michigan

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

Piston Group 401(k) Plan vs. nearby 401(k) plans in Michigan, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -505101520 Total assets ($B) Participants Piston Group 401(k) Plan, Total assets ($B): 0.027009822 · Participants: 903Piston Group 401(k) PlanGeneral Motors Retirement Savings Plan for Salaried Employees in the United States, Total assets ($B): 18.071817726 · Participants: 43382General Motors Retirement Savings Plan for Salaried Employees in the United StatesFord Motor Co. Savings and Stock Investment Plan for Salaried Employees, Total assets ($B): 13.833597622 · Participants: 32974Ford Motor Co. Savings and Stock Investment Plan for Salaried EmployeesThe Dow Chemical Company Employees' Savings Plan, Total assets ($B): 9.307640951 · Participants: 16930The Dow Chemical Company Employees' Savings PlanThe General Motors Personal Savings Plan for Hourly-Rate Employees in the United States, Total assets ($B): 7.545889119 · Participants: 40458The General Motors Personal Savings Plan for Hourly-Rate Employees in the United StatesFord Motor Co. Tax-Efficient Savings Plan for Hourly Employees, Total assets ($B): 6.44558193 · Participants: 57811Ford Motor Co. Tax-Efficient Savings Plan for Hourly Employees
Piston Group 401(k) Plan vs. nearby 401(k) plans in Michigan, assets vs. participants
Compare Piston Group 401(k) Plan side-by-side with 3 peers →

Piston Group 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Michigan, the nearest 401(k) by assets is William Raveis Employees Savings & Retirement in CT ($27M); by covered participants it is Getixhealth 401(k) Plan in TX (903 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (903 participants); asset peers above are excluded.

DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Piston Group 401(k) Plan assets move in 2022? ▼
Piston Group 401(k) Plan pulled back noticeably - down 11.4% during 2022, from $30M to $27M. Reported net income was -$3M.
How have Piston Automotive, LLC plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Piston Automotive, LLC's sponsor-wide assets grew 56.0%, from $27M to $42M.
Where does Piston Group 401(k) Plan rank by assets among Form 5500 filers? ▼
Piston Group 401(k) Plan ranks in the 81st percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (in the top quartile of all filed plans by assets).
Which 401(k) plans are similar in size to Piston Group 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is William Raveis Employees Savings & Retirement in CT ($27M, 459 participants).
Which 401(k) plans cover a similar participant headcount to Piston Group 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Getixhealth 401(k) Plan in TX (903 participants, $8M in assets).

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 383355223.

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.