401(k) · DOL Form 5500 · 2023

Martinrea Heavy Stampings Inc. 401(k) Plan

Data updated 2026-08-25

$16M
Total assets Small plan by assets
303
Participants Below avg headcount
69th
Percentile by assets National rank
$53,162
Avg per participant Low balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Martinrea Heavy Stampings Inc. Shelbyville Retirement Savings Plan · Sponsored by Martinrea Heavy Stampings Inc. · Michigan · Manufacturing

$16M in assets, 303 participants

Martinrea Heavy Stampings Inc.'s Martinrea Heavy Stampings Inc. Shelbyville Retirement Savings Plan reported $16M in total assets and 303 participants in its 2023 DOL Form 5500 filing, ranking in the 69th 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.

  • #10,738 in Manufacturing (18,722 peers)

Coverage in Michigan

Martinrea Heavy Stampings Inc. Shelbyville Retirement Savings Plan covers 303 participants in Michigan, about 48% of the average Michigan filer (state average ~638 per filing). Assets: $16M.

#10,738
in Manufacturing (18,722 peers)
+11.5%
assets growth YoY

Martinrea Heavy Stampings Inc. Shelbyville Retirement Savings Plan's outsized position by total assets

Martinrea Heavy Stampings Inc. Shelbyville Retirement Savings Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$16,108,100 Top 31% higher than 69% of 127,068 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 2023

Martinrea Heavy Stampings Inc. Shelbyville Retirement Savings Plan among mid-size filed plans by headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Martinrea Heavy Stampings Inc. Shelbyville Retirement Savings Plan sits mid-pack in the medium band (303 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Martinrea Heavy Stampings Inc. Shelbyville Retirement Savings Plan reported net income rose from -$7M in the plan year 2022 filing to $2M in the plan year 2023 filing.
  • Martinrea Heavy Stampings Inc. Shelbyville Retirement Savings Plan reported participants fell from 365 in the plan year 2022 filing to 303 in the plan year 2023 filing.
  • Martinrea Heavy Stampings Inc. Shelbyville Retirement Savings Plan end-of-year assets rose from $14M in the plan year 2022 filing to $16M in the plan year 2023 filing.

See the national 2022→2023 release diff →

Published 5500 schedule card

Filing strip 432113040 · Martinrea Heavy Stampings Inc. PY 2023 · 401(k)

Martinrea Heavy Stampings Inc. Shelbyville Retirement Savings Plan · $16M · 303 · 69th

  • PHOTO $16M
  • PHOTO 303
  • PHOTO 69th
  • PHOTO 401(k)
  • PHOTO near Symvionics, Inc. 401(k) Plan
  • PHOTO ind #10738

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 →

Martinrea Heavy Stampings Inc. Shelbyville Retirement Savings Plan in the asset neighbourhood

Martinrea Heavy Stampings Inc. Shelbyville Retirement Savings PlanMartinrea Heavy Stampings In…$16MSymvionics, Inc. 401(k) Plan$16MSimcom Inc. 401(k) Retirement PlanSimcom Inc. 401(k) Retiremen…$16MBuffalo Hearing & Speech Center, Inc. 401(k) PlanBuffalo Hearing & Speech Cen…$16MWhitcorp Retirement Plan$16M
End-of-year total assets ($M) among Martinrea Heavy Stampings Inc. Shelbyville Retirement Savings Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Michigan filing particulars

Total Assets (Beginning of Year)$14M
Net Assets (End of Year)$16M
Net Income$2M
Employer EIN432113040
Plan Effective Date1989-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Martinrea Heavy Stampings Inc.)

Sponsor-wide plan assets over time

All Martinrea Heavy Stampings Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$16M 8.944250555196843% vs 2022
2024 filing year
$14M$14.5M$15M$15.5M$16M$16.5M 202220232024 $14.5M $15.7M ▲ +8.9%
Year Plans Participants Total Assets
2022 1 365 $14M
2023 1 303 $16M
2024 1 263 $16M

Nearby 401(k) Plans in Michigan

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

Martinrea Heavy Stampings Inc. Shelbyville Retirement Savings Plan vs. nearby 401(k) plans in Michigan, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -50510152025 Total assets ($B) Participants Martinrea Heavy Stampings Inc. Shelbyville Retirement Savings Plan, Total assets ($B): 0.0161081 · Participants: 303Martinrea Heavy Stampings Inc. Shelbyville Retirement Savings PlanGeneral Motors Retirement Savings Plan for Salaried Employees in the United States, Total assets ($B): 20.378449285 · Participants: 47299General Motors Retirement Savings Plan for Salaried Employees in the United StatesFord Motor Co. Savings and Stock Investment Plan for Salaried Employees, Total assets ($B): 15.588575271 · Participants: 30516Ford Motor Co. Savings and Stock Investment Plan for Salaried EmployeesThe Dow Chemical Company Employees' Savings Plan, Total assets ($B): 10.084842211 · Participants: 18088The Dow Chemical Company Employees' Savings PlanThe General Motors Personal Savings Plan for Hourly-Rate Employees in the United States, Total assets ($B): 8.580684909 · Participants: 40393The 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): 7.617084451 · Participants: 59195Ford Motor Co. Tax-Efficient Savings Plan for Hourly Employees
Martinrea Heavy Stampings Inc. Shelbyville Retirement Savings Plan vs. nearby 401(k) plans in Michigan, assets vs. participants

Martinrea Heavy Stampings Inc. Shelbyville Retirement Savings Plan's out-of-state 401(k) peers by assets and headcount

Outside Michigan, the nearest 401(k) by assets is Symvionics, Inc. 401(k) Plan in CA ($16M); by covered participants it is Emergency Hospital Systems 401(k) Plan in TX (303 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($16M here).

Similar participant headcount

Nearest other-state filings by covered participants (303 participants); asset peers above are excluded.

DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Martinrea Heavy Stampings Inc. Shelbyville Retirement Savings Plan assets move in 2023?
Martinrea Heavy Stampings Inc. Shelbyville Retirement Savings Plan grew at a solid clip - up 11.5% during 2023, from $14M to $16M. Reported net income was $2M.
How have Martinrea Heavy Stampings Inc. plan assets changed over time?
Across 3 plan years on file (2022-2024), Martinrea Heavy Stampings Inc.'s sponsor-wide assets grew 8.9%, from $14M to $16M.
Which 401(k) plans are similar in size to Martinrea Heavy Stampings Inc. Shelbyville Retirement Savings Plan?
Among 401(k) plans in other states, the closest by assets is Symvionics, Inc. 401(k) Plan in CA ($16M, 44 participants).
Which 401(k) plans cover a similar participant headcount to Martinrea Heavy Stampings Inc. Shelbyville Retirement Savings Plan?
Among 401(k) plans in other states, the closest by covered participants is Emergency Hospital Systems 401(k) Plan in TX (303 participants, $2M in assets).