401(k) · DOL Form 5500 · 2024

Komatsu Mining Corp. 401(k) Plan

Data updated 2026-08-25

$923M
Total assets Above avg plan size
3,840
Participants Above avg headcount
98th
Percentile by assets National rank
$240,462
Avg per participant Above avg balance/head
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Official DOL plan name: Komatsu Mining Corp. Retirement Savings Plan · Sponsored by Komatsu Mining Corp. · Wisconsin · Manufacturing

$923M in assets, 3,840 participants

Komatsu Mining Corp.'s Komatsu Mining Corp. Retirement Savings Plan reported $923M in total assets and 3,840 participants in its 2024 DOL Form 5500 filing, ranking in the 98th 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.

  • #17,278 in Manufacturing (17,777 peers)

Coverage in Wisconsin

Komatsu Mining Corp. Retirement Savings Plan covers 3,840 participants in Wisconsin, 6.8x the typical Wisconsin plan (state average ~563 per filing). Assets: $923M.

#17,278
in Manufacturing (17,777 peers)
+11.5%
assets growth YoY
9.3×
vs typical plan assets (national mean)

Komatsu Mining Corp. Retirement Savings Plan's outsized position by total assets

Komatsu Mining Corp. Retirement Savings Plan vs every filed plan by assets

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

$923,375,988 Top 2% higher than 98% 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

Komatsu Mining Corp. Retirement Savings Plan'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. Komatsu Mining Corp. Retirement Savings Plan lands in the large band (3,840 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Komatsu Mining Corp. Retirement Savings Plan reported net income fell from $114M in the plan year 2023 filing to $95M in the plan year 2024 filing.
  • Komatsu Mining Corp. Retirement Savings Plan end-of-year assets rose from $828M in the plan year 2023 filing to $923M in the plan year 2024 filing.
  • Komatsu Mining Corp. Retirement Savings Plan reported participants rose from 3,738 in the plan year 2023 filing to 3,840 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Form 5500 schedule snapshot

Filing strip 391566457 · Komatsu Mining Corp. PY 2024 · 401(k)

Komatsu Mining Corp. Retirement Savings Plan · $923M · 3,840 · 98th

  • 5500 $923M
  • 5500 3,840
  • 5500 98th
  • 5500 401(k)
  • 5500 near Marathon Oil Company Thrift Plan
  • 5500 ind #17278

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 →

Komatsu Mining Corp. Retirement Savings Plan in the asset neighbourhood

Seyfarth Shaw LLP 401(k) Savings and Retirement PlanSeyfarth Shaw LLP 401(k) Sav…$926MArvest Bank 401(k) & Profit Sharing Retirement PlanArvest Bank 401(k) & Profit …$926MKomatsu Mining Corp. Retirement Savings PlanKomatsu Mining Corp. Retirem…$923MMarathon Oil Company Thrift PlanMarathon Oil Company Thrift …$923MBlackstone 401(k) Savings PlanBlackstone 401(k) Savings Pl…$923M
End-of-year total assets ($M) among Komatsu Mining Corp. Retirement Savings Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Wisconsin filing particulars

Total Assets (Beginning of Year)$828M
Net Assets (End of Year)$923M
Net Income$95M
Employer EIN391566457
Plan Effective Date1984-04-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Komatsu Mining Corp.)

Sponsor-wide plan assets over time

All Komatsu Mining Corp. plans reported in each filing year

Latest sponsor-wide plan assets
$923M 37.18415514402568% vs 2022
2024 filing year
$0.8B$1B$1.2B$1.4B$1.6B$1.8B 202220232024 $1.47B $0.92B ▼ -37.4%
Year Plans Participants Total Assets
2022 2 4,653 $1.5B
2023 2 4,744 $1.6B
2024 1 3,840 $923M

Nearby 401(k) Plans in Wisconsin

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

Komatsu Mining Corp. Retirement Savings Plan vs. nearby 401(k) plans in Wisconsin, assets vs. participants Scatter plot of 6 data points. 020000400006000080000100000 051015 Total assets ($B) Participants Komatsu Mining Corp. Retirement Savings Plan, Total assets ($B): 0.923375988 · Participants: 3840Komatsu Mining Corp. Retirement Savings PlanAdvocate Aurora Health 401(k) Plan, Total assets ($B): 10.487791739 · Participants: 80015Advocate Aurora Health 401(k) PlanJohnson Controls Retirement Savings and Investment Plan, Total assets ($B): 7.188548319 · Participants: 28489Johnson Controls Retirement Savings and Investment PlanFiserv 401(k) Savings Plan, Total assets ($B): 5.136404794 · Participants: 26372Fiserv 401(k) Savings PlanKimberly-Clark Corporation 401(k) & Profit Sharing Plan, Total assets ($B): 4.988151 · Participants: 11661Kimberly-Clark Corporation 401(k) & Profit Sharing PlanRockwell Automation Retirement Savings Plan, Total assets ($B): 3.765132976 · Participants: 9217Rockwell Automation Retirement Savings Plan
Komatsu Mining Corp. Retirement Savings Plan vs. nearby 401(k) plans in Wisconsin, assets vs. participants
Compare Komatsu Mining Corp. Retirement Savings Plan side-by-side with 3 peers →

Komatsu Mining Corp. Retirement Savings Plan's out-of-state 401(k) peers by assets and headcount

Outside Wisconsin, the nearest 401(k) by assets is Marathon Oil Company Thrift Plan in TX ($923M); by covered participants it is Lids 401(k) Salary Deferral Plan in IN (3,840 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($923M here).

Similar participant headcount

Nearest other-state filings by covered participants (3,840 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 Komatsu Mining Corp. Retirement Savings Plan assets move in 2024? ▼
Komatsu Mining Corp. Retirement Savings Plan grew at a solid clip - up 11.5% during 2024, from $828M to $923M. Reported net income was $95M.
How have Komatsu Mining Corp. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Komatsu Mining Corp.'s sponsor-wide assets declined 37.2%, from $1.5B to $923M.
Where does Komatsu Mining Corp. Retirement Savings Plan rank by assets among Form 5500 filers? ▼
Komatsu Mining Corp. Retirement Savings Plan ranks in the 98th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Komatsu Mining Corp. Retirement Savings Plan? ▼
Among 401(k) plans in other states, the closest by assets is Marathon Oil Company Thrift Plan in TX ($923M, 1,279 participants).
Which 401(k) plans cover a similar participant headcount to Komatsu Mining Corp. Retirement Savings Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Lids 401(k) Salary Deferral Plan in IN (3,840 participants, $15M 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 391566457.

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.