Defined Benefit (Pension) · DOL Form 5500 · 2023

Komatsu Mining Corp. Pension Plan

Data updated 2026-08-25

$754M
Total assets Above avg plan size
1,006
Participants Near avg headcount
98th
Percentile by assets National rank
$749,244
Avg per participant High balance/head
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Official DOL plan name: Komatsu U.S. Pension Plan · Sponsored by Komatsu Mining Corp. · Wisconsin · Manufacturing

$754M in assets, 1,006 participants

Komatsu Mining Corp.'s Komatsu U.S. Pension Plan reported $754M in total assets and 1,006 participants in its 2023 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.

  • #18,140 in Manufacturing (18,722 peers)

Where Komatsu U.S. Pension Plan sits by assets

Komatsu U.S. Pension Plan sits in the top 5% of all filed plans by assets, $754M for 1,006 participants (~$749,244/participant), down 0.4% in 2023.

#18,140
in Manufacturing (18,722 peers)
-0.4%
assets change YoY
7.6×
vs typical plan assets (national mean)

The plan reported a net loss of $64K for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Komatsu U.S. Pension Plan's outsized position by total assets

Komatsu U.S. Pension Plan vs every filed plan by assets

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

$753,739,236 Top 2% higher than 98% 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

Komatsu U.S. Pension Plan's large-plan peer group by participant headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Komatsu U.S. Pension Plan lands in the large band (1,006 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Komatsu U.S. Pension Plan reported net income rose from -$68M in the plan year 2022 filing to -$64K in the plan year 2023 filing.
  • Komatsu U.S. Pension Plan reported participants fell from 1,082 in the plan year 2022 filing to 1,006 in the plan year 2023 filing.
  • Komatsu U.S. Pension Plan end-of-year assets fell from $756M in the plan year 2022 filing to $754M in the plan year 2023 filing.

See the national 2022→2023 release diff →

DOL schedule card

Filing strip 391566457 · Komatsu Mining Corp. PY 2023 · Defined Benefit (Pension)

Komatsu U.S. Pension Plan · $754M · 1,006 · 98th

  • PCT $754M
  • PCT 1,006
  • PCT 98th
  • PCT Defined Benefit (Pension)
  • PCT near Retirement Income Plan of Central Hudson Gas & Electric Corp.
  • PCT ind #18140

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 U.S. Pension Plan in the asset neighbourhood

The Employee Retirement Plan of Group Health Plan,The Employee Retirement Plan…$755MThe Ohiohealth Cash Balance Retirement PlanThe Ohiohealth Cash Balance …$754MKomatsu U.S. Pension Plan$754MRetirement Income Plan of Central Hudson Gas & Electric Corp.Retirement Income Plan of Ce…$753MGeorgia Stevedore Association International Longshoremen's Association Pension PlanGeorgia Stevedore Associatio…$753M
End-of-year total assets ($M) among Komatsu U.S. Pension Plan and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2023.

Scale-class filing particulars (2023)

Total Assets (Beginning of Year)$756M
Net Assets (End of Year)$748M
Net Income-$64K
Employer EIN391566457
Plan Effective Date1984-08-01
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 Defined Benefit (Pension) Plans in Wisconsin

Peer Defined Benefit (Pension) plans, same state, same plan type, ranked by total assets.

Komatsu U.S. Pension Plan vs. nearby Defined Benefit (Pension) plans in Wisconsin, assets vs. participants Scatter plot of 6 data points. 020004000600080001000012000 01234 Total assets ($B) Participants Komatsu U.S. Pension Plan, Total assets ($B): 0.753739236 · Participants: 1006Komatsu U.S. Pension PlanThe Northwestern Mutual Employee Retirement Plan, Total assets ($B): 3.298151091 · Participants: 8348The Northwestern Mutual Employee Retirement PlanBuilding Trades United Pension Trust Fund Milwaukee and Vicinity, Total assets ($B): 3.267131995 · Participants: 9960Building Trades United Pension Trust Fund Milwaukee and VicinityThe Northwestern Mutual Life Insurance Company Agents Retirement Plan, Total assets ($B): 2.08393057 · Participants: 7368The Northwestern Mutual Life Insurance Company Agents Retirement PlanHarley-Davidson Retirement Plan, Total assets ($B): 1.912240682 · Participants: 1560Harley-Davidson Retirement PlanRockwell Automation Pension Plan, Total assets ($B): 1.77661124 · Participants: 2136Rockwell Automation Pension Plan
Komatsu U.S. Pension Plan vs. nearby Defined Benefit (Pension) plans in Wisconsin, assets vs. participants
Compare Komatsu U.S. Pension Plan side-by-side with 3 peers →

Komatsu U.S. Pension Plan's out-of-state Defined Benefit (Pension) peers by assets and headcount

Outside Wisconsin, the nearest Defined Benefit (Pension) by assets is Retirement Income Plan of Central Hudson Gas & Electric Corp. in NY ($753M); by covered participants it is Unicare Retirement Plan in NJ (1,006 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (1,006 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 Komatsu U.S. Pension Plan assets move in 2023? ▼
Komatsu U.S. Pension Plan held essentially flat - down 0.4% during 2023, from $756M to $754M. Reported net income was -$64K.
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 U.S. Pension Plan rank by assets among Form 5500 filers? ▼
Komatsu U.S. Pension Plan ranks in the 98th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 5% of all filed plans by assets).
Which Defined Benefit (Pension) plans are similar in size to Komatsu U.S. Pension Plan? ▼
Among Defined Benefit (Pension) plans in other states, the closest by assets is Retirement Income Plan of Central Hudson Gas & Electric Corp. in NY ($753M, 315 participants).
Which Defined Benefit (Pension) plans cover a similar participant headcount to Komatsu U.S. Pension Plan? ▼
Among Defined Benefit (Pension) plans in other states, the closest by covered participants is Unicare Retirement Plan in NJ (1,006 participants, $893M 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 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.