Defined Benefit (Pension) · DOL Form 5500 · 2023
Board of Trustees of Iw Mid-America Pension Plan Pension Plan
Data updated 2026-08-25
- $928M
- Total assets Above avg plan size
- 3,302
- Participants Above avg headcount
- 99th
- Percentile by assets National rank
- $281,181
- Avg per participant High balance/head
Official DOL plan name: Iron Workers' Mid-America Pension Plan · Sponsored by Board of Trustees of Iw Mid-America Pension Plan · Illinois · Construction
$928M in assets, 3,302 participants
Board of Trustees of Iw Mid-America Pension Plan's Iron Workers' Mid-America Pension Plan reported $928M in total assets and 3,302 participants in its 2023 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.
- #8,903 in Construction (9,030 peers)
Coverage in Illinois
Iron Workers' Mid-America Pension Plan covers 3,302 participants in Illinois, 4.2x the typical Illinois plan (state average ~779 per filing). Assets: $928M.
- #8,903
- in Construction (9,030 peers)
- +10.0%
- assets growth YoY
- 9.3×
- vs typical plan assets (national mean)
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 2023 · DOL Form 5500
$928,460,614 Top 1% higher than 99% of 127,068 filed plans
Dashed line + filled bar = this entry, among filed plans.
Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2023
Iron Workers' Mid-America 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. Iron Workers' Mid-America Pension Plan lands in the large band (3,302 participants).
What changed between DOL Form 5500 filings
plan year 2022 → plan year 2023
- Iron Workers' Mid-America Pension Plan reported net income rose from -$104M in the plan year 2022 filing to $84M in the plan year 2023 filing.
- Iron Workers' Mid-America Pension Plan end-of-year assets rose from $844M in the plan year 2022 filing to $928M in the plan year 2023 filing.
- Iron Workers' Mid-America Pension Plan reported participants fell from 3,351 in the plan year 2022 filing to 3,302 in the plan year 2023 filing.
EBSA filing schedule strip
Filing strip 366488227 · Board of Trustees of Iw Mid-America Pension Plan PY 2023 · Defined Benefit (Pension)
Iron Workers' Mid-America Pension Plan · $928M · 3,302 · 99th
- EIN $928M
- RANK 3,302
- PHOTO 99th
- IND Defined Benefit (Pension)
- EOY near Operating Engineers Local 101 Pension Fund
- 5500 ind #8903
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
Illinois filing particulars
| Total Assets (Beginning of Year) | $844M |
|---|---|
| Net Assets (End of Year) | $927M |
| Net Income | $84M |
| Employer EIN | 366488227 |
| Plan Effective Date | 1957-01-01 |
| Filing Status | FILING 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
| 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.
- Central States, Southeast & Southwest Areas Pension Plan $49.7B · 48,538
- State Farm Insurance Companies Retirement Plan for United States Employees $35.2B · 45,001
- United Food & Commercial Workers Intl Union - Industry Pension Fund $8.0B · 20,680
- John Deere Pension Plan for Salaried Employees $8.0B · 16,346
- Abbott Laboratories Annuity Retirement Plan $7.8B · 17,382
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 Operating Engineers Local 101 Pension Fund in MO ($930M); by covered participants it is Cfg Pension Plan in RI (3,296 participants). Same-state nearby plans are listed separately above.
Closest by plan assets
Nearest other-state filings by tot_assets_eoy ($928M here).
- Operating Engineers Local 101 Pension Fund (MO) $930M · 3,077
- Abc-Nabet Retirement Trust Fund (NY) $926M · 184
- Metal Trades Branch Local 638 Pension Fund (NY) $925M · 3,267
- Duquesne Light Company Defined Benefit Retirement Plan (PA) $925M · 336
Similar participant headcount
Nearest other-state filings by covered participants (3,302 participants); asset peers above are excluded.
- Cfg Pension Plan (RI) 3,296 · 6 off
- United States Steel Corporation Plan for Employee Pension Benefits (Revision of 2003) (PA) 3,317 · 15 off
- Hp Inc. Pension Plan (TX) 3,281 · 21 off
- Western States Insulators and Allied Workers' Pension Plan (CA) 3,325 · 23 off
DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.