401(k) · DOL Form 5500 · 2023

Muth Mirror Systems LLC 401(k) Plan

Data updated 2026-08-25

$11M
Total assets Small plan by assets
160
Participants Small participant base
60th
Percentile by assets National rank
$66,380
Avg per participant Below avg balance/head
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Official DOL plan name: K. W. Muth Company, Inc. Profit Sharing and 401(k) Plan · Sponsored by Muth Mirror Systems LLC · Wisconsin · Manufacturing

$11M in assets, 160 participants

Muth Mirror Systems LLC's K. W. Muth Company, Inc. Profit Sharing and 401(k) Plan reported $11M in total assets and 160 participants in its 2023 DOL Form 5500 filing, ranking in the 60th 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.

  • #8,688 in Manufacturing (18,722 peers)

Coverage in Wisconsin

K. W. Muth Company, Inc. Profit Sharing and 401(k) Plan covers 160 participants in Wisconsin, about 28% of the average Wisconsin filer (state average ~563 per filing). Assets: $11M.

#8,688
in Manufacturing (18,722 peers)
+23.1%
assets growth YoY

K. W. Muth Company, Inc. Profit Sharing and 401(k) Plan's mid-pack asset rank among Manufacturing and all filers

K. W. Muth Company, Inc. Profit Sharing and 401(k) Plan vs every filed plan by assets

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

$10,620,749 Top 40% higher than 60% 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

K. W. Muth Company, Inc. Profit Sharing and 401(k) 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. K. W. Muth Company, Inc. Profit Sharing and 401(k) Plan sits mid-pack in the medium band (160 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • K. W. Muth Company, Inc. Profit Sharing and 401(k) Plan reported net income rose from -$3M in the plan year 2022 filing to $2M in the plan year 2023 filing.
  • K. W. Muth Company, Inc. Profit Sharing and 401(k) Plan end-of-year assets rose from $9M in the plan year 2022 filing to $11M in the plan year 2023 filing.
  • K. W. Muth Company, Inc. Profit Sharing and 401(k) Plan reported participants fell from 169 in the plan year 2022 filing to 160 in the plan year 2023 filing.

See the national 2022→2023 release diff →

DOL schedule card

Filing strip 391811904 · Muth Mirror Systems LLC PY 2023 · 401(k)

K. W. Muth Company, Inc. Profit Sharing and 401(k) Plan · $11M · 160 · 60th

  • PART $11M
  • PART 160
  • PART 60th
  • PART 401(k)
  • PART near Home Furniture 401(k) Plan
  • PART ind #8688

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 Wisconsin →

K. W. Muth Company, Inc. Profit Sharing and 401(k) Plan in the asset neighbourhood

K. W. Muth Company, Inc. Profit Sharing and 401(k) PlanK. W. Muth Company, Inc. Pro…$11MHome Furniture 401(k) Plan$11MBedford Reinforced Plastics, Inc. 401(k) Profit Sharing PlanBedford Reinforced Plastics,…$11MZehrco-Giancola Composites, Inc. 401(k) Profit Sharing PlanZehrco-Giancola Composites, …$11MForcum Lannom Contractors, LLC 401(k) PlanForcum Lannom Contractors, L…$11M
End-of-year total assets ($M) among K. W. Muth Company, Inc. Profit Sharing and 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Wisconsin filing particulars

Total Assets (Beginning of Year)$9M
Net Assets (End of Year)$11M
Net Income$2M
Employer EIN391811904
Plan Effective Date1992-07-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Muth Mirror Systems LLC)

Sponsor-wide plan assets over time

All Muth Mirror Systems LLC plans reported in each filing year

Latest sponsor-wide plan assets
$12M 41.44567734777363% vs 2022
2024 filing year
$8M$10M$12M$14M 202220232024 $8.63M $12.2M ▲ +41.5%
Year Plans Participants Total Assets
2022 1 169 $9M
2023 1 160 $11M
2024 1 142 $12M

Nearby 401(k) Plans in Wisconsin

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

K. W. Muth Company, Inc. Profit Sharing and 401(k) Plan vs. nearby 401(k) plans in Wisconsin, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000100000 -50510 Total assets ($B) Participants K. W. Muth Company, Inc. Profit Sharing and 401(k) Plan, Total assets ($B): 0.010620749 · Participants: 160K. W. Muth Company, Inc. Profit Sharing and 401(k) PlanAdvocate Aurora Health 401(k) Plan, Total assets ($B): 9.125723544 · Participants: 76956Advocate Aurora Health 401(k) PlanJohnson Controls Retirement Savings and Investment Plan, Total assets ($B): 6.160116767 · Participants: 28904Johnson Controls Retirement Savings and Investment PlanFiserv 401(k) Savings Plan, Total assets ($B): 4.81171463 · Participants: 25280Fiserv 401(k) Savings PlanKimberly-Clark Corporation 401(k) & Profit Sharing Plan, Total assets ($B): 4.550761 · Participants: 11236Kimberly-Clark Corporation 401(k) & Profit Sharing PlanRockwell Automation Retirement Savings Plan, Total assets ($B): 3.62235882 · Participants: 8877Rockwell Automation Retirement Savings Plan
K. W. Muth Company, Inc. Profit Sharing and 401(k) Plan vs. nearby 401(k) plans in Wisconsin, assets vs. participants
Compare K. W. Muth Company, Inc. Profit Sharing and 401(k) Plan side-by-side with 3 peers →

K. W. Muth Company, Inc. Profit Sharing and 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Wisconsin, the nearest 401(k) by assets is Home Furniture 401(k) Plan in LA ($11M); by covered participants it is 8-Koi, Inc. 401(k) Plan in FL (160 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (160 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 K. W. Muth Company, Inc. Profit Sharing and 401(k) Plan assets move in 2023? ▼
K. W. Muth Company, Inc. Profit Sharing and 401(k) Plan grew sharply - up 23.1% during 2023, from $9M to $11M. Reported net income was $2M.
How have Muth Mirror Systems LLC plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Muth Mirror Systems LLC's sponsor-wide assets grew 41.4%, from $9M to $12M.
Which 401(k) plans are similar in size to K. W. Muth Company, Inc. Profit Sharing and 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Home Furniture 401(k) Plan in LA ($11M, 267 participants).
Which 401(k) plans cover a similar participant headcount to K. W. Muth Company, Inc. Profit Sharing and 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is 8-Koi, Inc. 401(k) Plan in FL (160 participants, $2M 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 391811904.

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.