401(k) · DOL Form 5500 · 2024

Serra Automotive, Inc. 401(k) Plan

Data updated 2026-08-25

$151M
Total assets Near avg plan size
2,775
Participants Above avg headcount
93rd
Percentile by assets National rank
$54,269
Avg per participant Low balance/head
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Official DOL plan name: Serra Automotive 401(k) Plan & Trust · Sponsored by Serra Automotive, Inc. · Michigan · Professional & Technical Services

$151M in assets, 2,775 participants

Serra Automotive, Inc.'s Serra Automotive 401(k) Plan & Trust reported $151M in total assets and 2,775 participants in its 2024 DOL Form 5500 filing, ranking in the 93rd 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.

  • #18,990 in Professional & Technical Services (20,173 peers)

Coverage in Michigan

Serra Automotive 401(k) Plan & Trust covers 2,775 participants in Michigan, 4.4x the typical Michigan plan (state average ~638 per filing). Assets: $151M.

#18,990
in Professional & Technical Services (20,173 peers)
+28.0%
assets growth YoY
1.5×
vs typical plan assets (national mean)

Serra Automotive 401(k) Plan & Trust's outsized position by total assets

Serra Automotive 401(k) Plan & Trust vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$150,596,183 Top 7% higher than 93% of 123,620 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 2024

Serra Automotive 401(k) Plan & Trust's large-plan peer group by participant headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Serra Automotive 401(k) Plan & Trust lands in the large band (2,775 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Serra Automotive 401(k) Plan & Trust reported net income rose from $22M in the plan year 2023 filing to $33M in the plan year 2024 filing.
  • Serra Automotive 401(k) Plan & Trust reported participants rose from 2,073 in the plan year 2023 filing to 2,775 in the plan year 2024 filing.
  • Serra Automotive 401(k) Plan & Trust end-of-year assets rose from $118M in the plan year 2023 filing to $151M in the plan year 2024 filing.

See the national 2023→2024 release diff →

Published 5500 schedule card

Filing strip 382407959 · Serra Automotive, Inc. PY 2024 · 401(k)

Serra Automotive 401(k) Plan & Trust · $151M · 2,775 · 93rd

  • VS-ST $151M
  • BOY 2,775
  • SCH 93rd
  • EBSA 401(k)
  • PART near Waste Isolation Pilot Plant Savings Plan
  • TYPE ind #18990

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 Professional & Technical Services retirement plans → · Plans in Michigan →

Serra Automotive 401(k) Plan & Trust in the asset neighbourhood

Spirax Sarco, Inc. 401(k) PlanSpirax Sarco, Inc. 401(k) Pl…$151MVoluntary Investment Pretax Plan for the Volvo Group North America Union EmployeesVoluntary Investment Pretax …$151MWaste Isolation Pilot Plant Savings PlanWaste Isolation Pilot Plant …$151MJeffer Mangels Butler & Mitchell LLP Profit Sharing and 401(k) PlanJeffer Mangels Butler & Mitc…$151MSerra Automotive 401(k) Plan & TrustSerra Automotive 401(k) Plan…$151M
End-of-year total assets ($M) among Serra Automotive 401(k) Plan & Trust and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Michigan filing particulars

Total Assets (Beginning of Year)$118M
Net Assets (End of Year)$151M
Net Income$33M
Employer EIN382407959
Plan Effective Date1983-04-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Serra Automotive, Inc.)

Sponsor-wide plan assets over time

All Serra Automotive, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$151M 58.089505408330766% vs 2022
2024 filing year
$80M$100M$120M$140M$160M 202220232024 $95.3M $151M ▲ +58.1%
Year Plans Participants Total Assets
2022 1 1,796 $95M
2023 1 2,073 $118M
2024 1 2,775 $151M

Nearby 401(k) Plans in Michigan

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

Serra Automotive 401(k) Plan & Trust vs. nearby 401(k) plans in Michigan, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -100102030 Total assets ($B) Participants Serra Automotive 401(k) Plan & Trust, Total assets ($B): 0.150596183 · Participants: 2775Serra Automotive 401(k) Plan & TrustGeneral Motors Retirement Savings Plan for Salaried Employees in the United States, Total assets ($B): 23.0591668 · Participants: 43053General Motors Retirement Savings Plan for Salaried Employees in the United StatesFord Motor Co. Savings and Stock Investment Plan for Salaried Employees, Total assets ($B): 17.26893589 · Participants: 31790Ford Motor Co. Savings and Stock Investment Plan for Salaried EmployeesThe Dow Chemical Company Employees' Savings Plan, Total assets ($B): 10.768606712 · Participants: 17128The Dow Chemical Company Employees' Savings PlanThe General Motors Personal Savings Plan for Hourly-Rate Employees in the United States, Total assets ($B): 9.568379082 · Participants: 42513The 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): 8.2932975 · Participants: 60497Ford Motor Co. Tax-Efficient Savings Plan for Hourly Employees
Serra Automotive 401(k) Plan & Trust vs. nearby 401(k) plans in Michigan, assets vs. participants

Serra Automotive 401(k) Plan & Trust's out-of-state 401(k) peers by assets and headcount

Outside Michigan, the nearest 401(k) by assets is Waste Isolation Pilot Plant Savings Plan in NM ($151M); by covered participants it is Cincinnati Bell Retirement Savings Plan in OH (2,775 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (2,775 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Serra Automotive 401(k) Plan & Trust assets move in 2024?
Serra Automotive 401(k) Plan & Trust grew sharply - up 28.0% during 2024, from $118M to $151M. Reported net income was $33M.
How have Serra Automotive, Inc. plan assets changed over time?
Across 3 plan years on file (2022-2024), Serra Automotive, Inc.'s sponsor-wide assets grew 58.1%, from $95M to $151M.
Where does Serra Automotive 401(k) Plan & Trust rank by assets among Form 5500 filers?
Serra Automotive 401(k) Plan & Trust ranks in the 93rd percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top 10% of all filed plans by assets).
Which 401(k) plans are similar in size to Serra Automotive 401(k) Plan & Trust?
Among 401(k) plans in other states, the closest by assets is Waste Isolation Pilot Plant Savings Plan in NM ($151M, 1,077 participants).
Which 401(k) plans cover a similar participant headcount to Serra Automotive 401(k) Plan & Trust?
Among 401(k) plans in other states, the closest by covered participants is Cincinnati Bell Retirement Savings Plan in OH (2,775 participants, $506M in assets).