Defined Benefit (Pension) · DOL Form 5500 · 2022

Board of Trustees of Iw Mid-America Pension Plan Pension Plan

Data updated 2026-08-25

$844M
Total assets Above avg plan size
3,351
Participants Above avg headcount
99th
Percentile by assets National rank
$251,960
Avg per participant Above avg balance/head
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Official DOL plan name: Iron Workers' Mid-America Pension Plan · Sponsored by Board of Trustees of Iw Mid-America Pension Plan · Illinois · Construction

$844M in assets, 3,351 participants

Board of Trustees of Iw Mid-America Pension Plan's Iron Workers' Mid-America Pension Plan reported $844M in total assets and 3,351 participants in its 2022 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.

  • #9,798 in Construction (9,927 peers)

Coverage in Illinois

Iron Workers' Mid-America Pension Plan covers 3,351 participants in Illinois, 4.3x the typical Illinois plan (state average ~779 per filing). Assets: $844M.

#9,798
in Construction (9,927 peers)
-11.0%
assets change YoY
8.5×
vs typical plan assets (national mean)

The plan reported a net loss of $104M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Iron Workers' Mid-America Pension Plan's outsized position by total assets

Iron Workers' Mid-America Pension Plan vs every filed plan by assets

End-of-year total assets · plan year 2022 · DOL Form 5500

$844,318,916 Top 1% higher than 99% of 139,123 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 2022

Iron Workers' Mid-America Pension Plan's large-plan peer group by participant headcount

Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Iron Workers' Mid-America Pension Plan lands in the large band (3,351 participants).

Form 5500 schedule snapshot

Filing strip 366488227 · Board of Trustees of Iw Mid-America Pension Plan PY 2022 · Defined Benefit (Pension)

Iron Workers' Mid-America Pension Plan · $844M · 3,351 · 99th

  • EOY $844M
  • EOY 3,351
  • EOY 99th
  • EOY Defined Benefit (Pension)
  • EOY near Employees' Retirement Plan of the National Education Association
  • EOY ind #9798

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 Illinois →

Iron Workers' Mid-America Pension Plan in the asset neighbourhood

Employees' Retirement Plan of the National Education AssociationEmployees' Retirement Plan o…$845MIron Workers' Mid-America Pension PlanIron Workers' Mid-America Pe…$844MNewell Brands Consolidated Pension PlanNewell Brands Consolidated P…$844MRio Tinto America Inc. Retirement PlanRio Tinto America Inc. Retir…$843MMetal Trades Branch Local 638 Pension FundMetal Trades Branch Local 63…$843M
End-of-year total assets ($M) among Iron Workers' Mid-America Pension Plan and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2022.

Illinois filing particulars

Total Assets (Beginning of Year)$948M
Net Assets (End of Year)$843M
Net Income-$104M
Employer EIN366488227
Plan Effective Date1957-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Board of Trustees of Iw Mid-America Pension Plan)

Sponsor-wide plan assets over time

All Board of Trustees of Iw Mid-America Pension Plan plans reported in each filing year

Latest sponsor-wide plan assets
$999M 18.308826685105323% vs 2022
2024 filing year
$800M$850M$900M$950M$1,000M$1,050M 202220232024 $844M $999M ▲ +18.3%
Year Plans Participants Total Assets
2022 1 3,351 $844M
2023 1 3,302 $928M
2024 1 3,294 $999M

Nearby Defined Benefit (Pension) Plans in Illinois

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

Iron Workers' Mid-America Pension Plan vs. nearby Defined Benefit (Pension) plans in Illinois, assets vs. participants Scatter plot of 6 data points. -200000200004000060000 -1001020304050 Total assets ($B) Participants Iron Workers' Mid-America Pension Plan, Total assets ($B): 0.844318916 · Participants: 3351Iron Workers' Mid-America Pension PlanCentral States, Southeast & Southwest Areas Pension Plan, Total assets ($B): 42.629770802 · Participants: 50096Central States, Southeast & Southwest Areas Pension PlanState Farm Insurance Companies Retirement Plan for United States Employees, Total assets ($B): 32.129102809 · Participants: 49052State Farm Insurance Companies Retirement Plan for United States EmployeesUnited Food & Commercial Workers Intl Union - Industry Pension Fund, Total assets ($B): 7.958716532 · Participants: 20170United Food & Commercial Workers Intl Union - Industry Pension FundJohn Deere Pension Plan for Salaried Employees, Total assets ($B): 7.304502684 · Participants: 0John Deere Pension Plan for Salaried EmployeesAbbott Laboratories Annuity Retirement Plan, Total assets ($B): 6.770339506 · Participants: 16809Abbott Laboratories Annuity Retirement Plan
Iron Workers' Mid-America Pension Plan vs. nearby Defined Benefit (Pension) plans in Illinois, assets vs. participants

Iron Workers' Mid-America Pension Plan's out-of-state Defined Benefit (Pension) peers by assets and headcount

Outside Illinois, the nearest Defined Benefit (Pension) by assets is Employees' Retirement Plan of the National Education Association in DC ($845M); by covered participants it is Nestle Hourly Retirement Plan in OH (3,348 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (3,351 participants); asset peers above are excluded.

DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Iron Workers' Mid-America Pension Plan assets move in 2022? ▼
Iron Workers' Mid-America Pension Plan pulled back noticeably - down 11.0% during 2022, from $948M to $844M. Reported net income was -$104M.
How have Board of Trustees of Iw Mid-America Pension Plan plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Board of Trustees of Iw Mid-America Pension Plan's sponsor-wide assets grew 18.3%, from $844M to $999M.
Where does Iron Workers' Mid-America Pension Plan rank by assets among Form 5500 filers? ▼
Iron Workers' Mid-America Pension Plan ranks in the 99th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (among the largest 1% of all filed plans).
Which Defined Benefit (Pension) plans are similar in size to Iron Workers' Mid-America Pension Plan? ▼
Among Defined Benefit (Pension) plans in other states, the closest by assets is Employees' Retirement Plan of the National Education Association in DC ($845M, 962 participants).
Which Defined Benefit (Pension) plans cover a similar participant headcount to Iron Workers' Mid-America Pension Plan? ▼
Among Defined Benefit (Pension) plans in other states, the closest by covered participants is Nestle Hourly Retirement Plan in OH (3,348 participants, $263M in assets).