401(k) · DOL Form 5500 · 2023

Manthei, Inc. 401(k) Plan

Data updated 2026-08-25

$16M
Total assets Small plan by assets
342
Participants Below avg headcount
69th
Percentile by assets National rank
$46,931
Avg per participant Low balance/head
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Official DOL plan name: Manthei 401(k) Profit Sharing Plan · Sponsored by Manthei, Inc. · Michigan · Manufacturing

$16M in assets, 342 participants

Manthei, Inc.'s Manthei 401(k) Profit Sharing Plan reported $16M in total assets and 342 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.

  • #10,714 in Manufacturing (18,722 peers)

Manthei, Inc. multi-year trail

Manthei, Inc.'s plans moved +59.7% in assets from 2022 to 2024; this filing shows Manthei 401(k) Profit Sharing Plan at $16M / 342 participants.

#10,714
in Manufacturing (18,722 peers)
+27.1%
assets growth YoY

Manthei 401(k) Profit Sharing Plan's outsized position by total assets

Manthei 401(k) Profit Sharing Plan vs every filed plan by assets

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

$16,050,273 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

Manthei 401(k) Profit Sharing 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. Manthei 401(k) Profit Sharing Plan sits mid-pack in the medium band (342 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Manthei 401(k) Profit Sharing Plan reported net income rose from -$2M in the plan year 2022 filing to $3M in the plan year 2023 filing.
  • Manthei 401(k) Profit Sharing Plan end-of-year assets rose from $13M in the plan year 2022 filing to $16M in the plan year 2023 filing.
  • Manthei 401(k) Profit Sharing Plan reported participants rose from 283 in the plan year 2022 filing to 342 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Form 5500 schedule snapshot

Filing strip 381858891 · Manthei, Inc. PY 2023 · 401(k)

Manthei 401(k) Profit Sharing Plan · $16M · 342 · 69th

  • PHOTO $16M
  • IND 342
  • EOY 69th
  • 5500 401(k)
  • ASSETS near Air Center Helicopters, Inc. 401(k) Plan
  • PCT ind #10714

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 →

Manthei 401(k) Profit Sharing Plan in the asset neighbourhood

Manthei 401(k) Profit Sharing PlanManthei 401(k) Profit Sharin…$16MAir Center Helicopters, Inc. 401(k) PlanAir Center Helicopters, Inc.…$16MKosher Supervision 401(k) PlanKosher Supervision 401(k) Pl…$16MOctane Lending, Inc. 401(k) PlanOctane Lending, Inc. 401(k) …$16MSysnet Technologies 401(k) Retirement PlanSysnet Technologies 401(k) R…$16M
End-of-year total assets ($M) among Manthei 401(k) Profit Sharing Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Manthei, Inc. multi-year asset trail

Sponsor-wide plan assets over time

All Manthei, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$20M 59.65715572225987% vs 2022
2024 filing year
$10M$15M$20M$25M 202220232024 $12.6M $20.2M ▲ +59.7%
Year Plans Participants Total Assets
2022 1 283 $13M
2023 1 342 $16M
2024 1 338 $20M

Manthei, Inc. filing trail (2023)

Total Assets (Beginning of Year)$13M
Net Assets (End of Year)$16M
Net Income$3M
Employer EIN381858891
Plan Effective Date1996-01-01
Filing StatusFILING RECEIVED

Nearby 401(k) Plans in Michigan

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

Manthei 401(k) Profit Sharing Plan vs. nearby 401(k) plans in Michigan, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000 -50510152025 Total assets ($B) Participants Manthei 401(k) Profit Sharing Plan, Total assets ($B): 0.016050273 · Participants: 342Manthei 401(k) Profit Sharing 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
Manthei 401(k) Profit Sharing Plan vs. nearby 401(k) plans in Michigan, assets vs. participants
Compare Manthei 401(k) Profit Sharing Plan side-by-side with 3 peers →

Manthei 401(k) Profit Sharing Plan's out-of-state 401(k) peers by assets and headcount

Outside Michigan, the nearest 401(k) by assets is Air Center Helicopters, Inc. 401(k) Plan in TX ($16M); by covered participants it is 403(b) Thrift Plan for Employees of Enmrsh, Inc. in NM (342 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 (342 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 Manthei 401(k) Profit Sharing Plan assets move in 2023? ▼
Manthei 401(k) Profit Sharing Plan grew sharply - up 27.1% during 2023, from $13M to $16M. Reported net income was $3M.
How have Manthei, Inc. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Manthei, Inc.'s sponsor-wide assets grew 59.7%, from $13M to $20M.
Which 401(k) plans are similar in size to Manthei 401(k) Profit Sharing Plan? ▼
Among 401(k) plans in other states, the closest by assets is Air Center Helicopters, Inc. 401(k) Plan in TX ($16M, 257 participants).
Which 401(k) plans cover a similar participant headcount to Manthei 401(k) Profit Sharing Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is 403(b) Thrift Plan for Employees of Enmrsh, Inc. in NM (342 participants, $4M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 381858891.

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.