Defined Benefit (Pension) · DOL Form 5500 · 2024

Board of Trustees I.U.O.E. Local 4 Pension Fund Pension Plan

Data updated 2026-08-25

$1.3B
Total assets Very large vs avg
3,509
Participants Above avg headcount
99th
Percentile by assets National rank
$377,138
Avg per participant High balance/head
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Official DOL plan name: International Union of Operating Engineers Local 4 Pension Fund · Sponsored by Board of Trustees I.U.O.E. Local 4 Pension Fund · Massachusetts · Construction

$1.3B in assets, 3,509 participants

Board of Trustees I.U.O.E. Local 4 Pension Fund's International Union of Operating Engineers Local 4 Pension Fund reported $1.3B in total assets and 3,509 participants in its 2024 DOL Form 5500 filing, ranking in the 99th 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.

  • #8,935 in Construction (9,039 peers)

Coverage in Massachusetts

International Union of Operating Engineers Local 4 Pension Fund covers 3,509 participants in Massachusetts, 5.3x the typical Massachusetts plan (state average ~659 per filing). Assets: $1.3B.

#8,935
in Construction (9,039 peers)
+12.0%
assets growth YoY
13×
vs typical plan assets (national mean)

International Union of Operating Engineers Local 4 Pension Fund's outsized position by total assets

International Union of Operating Engineers Local 4 Pension Fund vs every filed plan by assets

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

$1,323,377,046 Top 1% higher than 99% 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

International Union of Operating Engineers Local 4 Pension Fund'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. International Union of Operating Engineers Local 4 Pension Fund lands in the large band (3,509 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • International Union of Operating Engineers Local 4 Pension Fund reported net income rose from $129M in the plan year 2023 filing to $146M in the plan year 2024 filing.
  • International Union of Operating Engineers Local 4 Pension Fund end-of-year assets rose from $1.2B in the plan year 2023 filing to $1.3B in the plan year 2024 filing.
  • International Union of Operating Engineers Local 4 Pension Fund reported participants rose from 3,485 in the plan year 2023 filing to 3,509 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Plan-year Form 5500 strip

Filing strip 046013863 · Board of Trustees I.U.O.E. Local 4 Pension Fund PY 2024 · Defined Benefit (Pension)

International Union of Operating Engineers Local 4 Pension Fund · $1.3B · 3,509 · 99th

  • PHOTO $1.3B
  • IND 3,509
  • EOY 99th
  • 5500 Defined Benefit (Pension)
  • ASSETS near Relx Inc. US Retirement Plan
  • PCT ind #8935

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 Construction retirement plans → · Plans in Massachusetts →

International Union of Operating Engineers Local 4 Pension Fund in the asset neighbourhood

Relx Inc. US Retirement Plan$1.3BPuget Sound Electrical Workers Pension PlanPuget Sound Electrical Worke…$1.3BThrivent Individual Pension Account PlanThrivent Individual Pension …$1.3BMichigan Laborers' Pension PlanMichigan Laborers' Pension P…$1.3BInternational Union of Operating Engineers Local 4 Pension FundInternational Union of Opera…$1.3B
End-of-year total assets ($B) among International Union of Operating Engineers Local 4 Pension Fund and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2024.

Massachusetts filing particulars

Total Assets (Beginning of Year)$1.2B
Net Assets (End of Year)$1.3B
Net Income$146M
Employer EIN046013863
Plan Effective Date1959-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Board of Trustees I.U.O.E. Local 4 Pension Fund)

Sponsor-wide plan assets over time

All Board of Trustees I.U.O.E. Local 4 Pension Fund plans reported in each filing year

Latest sponsor-wide plan assets
$1.3B 26.234991944176265% vs 2022
2024 filing year
$1B$1.1B$1.2B$1.3B$1.4B 202220232024 $1.05B $1.32B ▲ +25.7%
Year Plans Participants Total Assets
2022 1 3,379 $1.0B
2023 1 3,485 $1.2B
2024 1 3,509 $1.3B

Nearby Defined Benefit (Pension) Plans in Massachusetts

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

International Union of Operating Engineers Local 4 Pension Fund vs. nearby Defined Benefit (Pension) plans in Massachusetts, assets vs. participants Scatter plot of 6 data points. 020000400006000080000 051015 Total assets ($B) Participants International Union of Operating Engineers Local 4 Pension Fund, Total assets ($B): 1.323377046 · Participants: 3509International Union of Operating Engineers Local 4 Pension FundConsolidated Cash Balance Program of Mass General Brigham and Member Organizations, Total assets ($B): 11.586293172 · Participants: 60621Consolidated Cash Balance Program of Mass General Brigham and Member OrganizationsNew England Teamsters Pension Fund, Total assets ($B): 9.093299462 · Participants: 21577New England Teamsters Pension FundLiberty Mutual Retirement Benefit Plan, Total assets ($B): 6.250686483 · Participants: 34910Liberty Mutual Retirement Benefit PlanMassachusetts Institute of Technology Basic Retirement Plan, Total assets ($B): 5.888715533 · Participants: 12533Massachusetts Institute of Technology Basic Retirement PlanN. Atlantic States Carp. Pension Fund, Total assets ($B): 5.086051556 · Participants: 16946N. Atlantic States Carp. Pension Fund
International Union of Operating Engineers Local 4 Pension Fund vs. nearby Defined Benefit (Pension) plans in Massachusetts, assets vs. participants

International Union of Operating Engineers Local 4 Pension Fund's out-of-state Defined Benefit (Pension) peers by assets and headcount

Outside Massachusetts, the nearest Defined Benefit (Pension) by assets is Relx Inc. US Retirement Plan in NY ($1.3B); by covered participants it is Volvo Group North America Retirement Plan in NC (3,512 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($1.3B here).

Similar participant headcount

Nearest other-state filings by covered participants (3,509 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 International Union of Operating Engineers Local 4 Pension Fund assets move in 2024? ▼
International Union of Operating Engineers Local 4 Pension Fund grew at a solid clip - up 12.0% during 2024, from $1.2B to $1.3B. Reported net income was $146M.
How have Board of Trustees I.U.O.E. Local 4 Pension Fund plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Board of Trustees I.U.O.E. Local 4 Pension Fund's sponsor-wide assets grew 26.2%, from $1.0B to $1.3B.
Where does International Union of Operating Engineers Local 4 Pension Fund rank by assets among Form 5500 filers? ▼
International Union of Operating Engineers Local 4 Pension Fund ranks in the 99th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (among the largest 1% of all filed plans).
Which Defined Benefit (Pension) plans are similar in size to International Union of Operating Engineers Local 4 Pension Fund? ▼
Among Defined Benefit (Pension) plans in other states, the closest by assets is Relx Inc. US Retirement Plan in NY ($1.3B, 2,617 participants).
Which Defined Benefit (Pension) plans cover a similar participant headcount to International Union of Operating Engineers Local 4 Pension Fund? ▼
Among Defined Benefit (Pension) plans in other states, the closest by covered participants is Volvo Group North America Retirement Plan in NC (3,512 participants, $314M in assets).