401(k) · DOL Form 5500 · 2024

Mazak Optonics Corporation 401(k) Plan

Data updated 2026-08-25

$19M
Total assets Small plan by assets
127
Participants Small participant base
69th
Percentile by assets National rank
$149,159
Avg per participant Above avg balance/head
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Official DOL plan name: Mazak Optonics Corporation 401(k) Plan · Sponsored by Mazak Optonics Corporation · Illinois · Manufacturing

$19M in assets, 127 participants

Mazak Optonics Corporation's Mazak Optonics Corporation 401(k) Plan reported $19M in total assets and 127 participants in its 2024 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.

  • #10,391 in Manufacturing (17,777 peers)

Coverage in Illinois

Mazak Optonics Corporation 401(k) Plan covers 127 participants in Illinois, about 16% of the average Illinois filer (state average ~779 per filing). Assets: $19M.

#10,391
in Manufacturing (17,777 peers)
+14.8%
assets growth YoY

Mazak Optonics Corporation 401(k) Plan's outsized position by total assets

Mazak Optonics Corporation 401(k) Plan vs every filed plan by assets

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

$18,943,227 Top 31% higher than 69% 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

Mazak Optonics Corporation 401(k) Plan among mid-size filed plans by headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Mazak Optonics Corporation 401(k) Plan sits mid-pack in the medium band (127 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Mazak Optonics Corporation 401(k) Plan reported net income fell from $4M in the plan year 2023 filing to $2M in the plan year 2024 filing.
  • Mazak Optonics Corporation 401(k) Plan end-of-year assets rose from $17M in the plan year 2023 filing to $19M in the plan year 2024 filing.
  • Mazak Optonics Corporation 401(k) Plan reported participants rose from 116 in the plan year 2023 filing to 127 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Published 5500 schedule card

Filing strip 202426301 · Mazak Optonics Corporation PY 2024 · 401(k)

Mazak Optonics Corporation 401(k) Plan · $19M · 127 · 69th

  • EOY $19M
  • EOY 127
  • EOY 69th
  • EOY 401(k)
  • EOY near Rib USA 401(k) Plan
  • EOY ind #10391

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 Illinois →

Mazak Optonics Corporation 401(k) Plan in the asset neighbourhood

Summit Group, LLC 401(k) Plan$19MMazak Optonics Corporation 401(k) PlanMazak Optonics Corporation 4…$19MRib USA 401(k) Plan$19MQuality Supply Chain Co-Op, Inc. 401(k) Retirement PlanQuality Supply Chain Co-Op, …$19MLeader Dogs Employees 401(k) Profit Sharing PlanLeader Dogs Employees 401(k)…$19M
End-of-year total assets ($M) among Mazak Optonics Corporation 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Illinois filing particulars

Total Assets (Beginning of Year)$17M
Net Assets (End of Year)$19M
Net Income$2M
Employer EIN202426301
Plan Effective Date2005-04-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Mazak Optonics Corporation)

Sponsor-wide plan assets over time

All Mazak Optonics Corporation plans reported in each filing year

Latest sponsor-wide plan assets
$19M 48.90210089126386% vs 2022
2024 filing year
$12M$14M$16M$18M$20M 202220232024 $12.7M $18.9M ▲ +48.9%
Year Plans Participants Total Assets
2022 1 112 $13M
2023 1 116 $17M
2024 1 127 $19M

Nearby 401(k) Plans in Illinois

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

Mazak Optonics Corporation 401(k) Plan vs. nearby 401(k) plans in Illinois, assets vs. participants Scatter plot of 6 data points. -1000000100000200000300000 -50510152025 Total assets ($B) Participants Mazak Optonics Corporation 401(k) Plan, Total assets ($B): 0.018943227 · Participants: 127Mazak Optonics Corporation 401(k) PlanAccenture United States 401(k) Match and Savings Plan, Total assets ($B): 21.302643276 · Participants: 66965Accenture United States 401(k) Match and Savings PlanState Farm 401(k) Savings Plan, Total assets ($B): 19.010099056 · Participants: 63297State Farm 401(k) Savings PlanUnited Airlines Pilot Retirement Account Plan, Total assets ($B): 16.835964452 · Participants: 16659United Airlines Pilot Retirement Account PlanAbbott Laboratories Stock Retirement Plan, Total assets ($B): 15.755668 · Participants: 38229Abbott Laboratories Stock Retirement PlanWalgreens Retirement Savings Plan, Total assets ($B): 14.535873337 · Participants: 233635Walgreens Retirement Savings Plan
Mazak Optonics Corporation 401(k) Plan vs. nearby 401(k) plans in Illinois, assets vs. participants
Compare Mazak Optonics Corporation 401(k) Plan side-by-side with 3 peers →

Mazak Optonics Corporation 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Illinois, the nearest 401(k) by assets is Rib USA 401(k) Plan in GA ($19M); by covered participants it is Wat Opco LLC (Dba Woodlake at Tolland) 401(k) Plan in CT (127 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($19M here).

Similar participant headcount

Nearest other-state filings by covered participants (127 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 Mazak Optonics Corporation 401(k) Plan assets move in 2024? ▼
Mazak Optonics Corporation 401(k) Plan grew at a solid clip - up 14.8% during 2024, from $17M to $19M. Reported net income was $2M.
How have Mazak Optonics Corporation plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Mazak Optonics Corporation's sponsor-wide assets grew 48.9%, from $13M to $19M.
Which 401(k) plans are similar in size to Mazak Optonics Corporation 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Rib USA 401(k) Plan in GA ($19M, 152 participants).
Which 401(k) plans cover a similar participant headcount to Mazak Optonics Corporation 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Wat Opco LLC (Dba Woodlake at Tolland) 401(k) Plan in CT (127 participants, $829K in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 202426301.

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.