Defined Benefit (Pension) · DOL Form 5500 · 2023

Ironworkers National Pension Plan Board of Trustees Pension Plan

Data updated 2026-08-25

$476M
Total assets Above avg plan size
2,555
Participants Above avg headcount
97th
Percentile by assets National rank
$186,288
Avg per participant Above avg balance/head
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Official DOL plan name: Ironworkers National Pension Plan · Sponsored by Ironworkers National Pension Plan Board of Trustees · Illinois · Construction

$476M in assets, 2,555 participants

Ironworkers National Pension Plan Board of Trustees's Ironworkers National Pension Plan reported $476M in total assets and 2,555 participants in its 2023 DOL Form 5500 filing, ranking in the 97th 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.

  • #8,759 in Construction (9,030 peers)

Coverage in Illinois

Ironworkers National Pension Plan covers 2,555 participants in Illinois, 3.3x the typical Illinois plan (state average ~779 per filing). Assets: $476M.

#8,759
in Construction (9,030 peers)
+2.5%
assets growth YoY
4.8×
vs typical plan assets (national mean)

Ironworkers National Pension Plan's outsized position by total assets

Ironworkers National Pension Plan vs every filed plan by assets

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

$475,966,882 Top 3% higher than 97% 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

Ironworkers National 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. Ironworkers National Pension Plan lands in the large band (2,555 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Ironworkers National Pension Plan reported net income fell from $47M in the plan year 2022 filing to $13M in the plan year 2023 filing.
  • Ironworkers National Pension Plan end-of-year assets rose from $464M in the plan year 2022 filing to $476M in the plan year 2023 filing.
  • Ironworkers National Pension Plan reported participants rose from 2,510 in the plan year 2022 filing to 2,555 in the plan year 2023 filing.

See the national 2022→2023 release diff →

DOL schedule card

Filing strip 526122274 · Ironworkers National Pension Plan Board of Trustees PY 2023 · Defined Benefit (Pension)

Ironworkers National Pension Plan · $476M · 2,555 · 97th

  • PHOTO $476M
  • IND 2,555
  • EOY 97th
  • 5500 Defined Benefit (Pension)
  • ASSETS near St. Lukes Health Network Pension Plan
  • PCT ind #8759

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 →

Ironworkers National Pension Plan in the asset neighbourhood

Consolidated Retirement Plan$477MSt. Lukes Health Network Pension PlanSt. Lukes Health Network Pen…$476MIronworkers National Pension PlanIronworkers National Pension…$476MAmerican Cancer Society, Inc. Retirement Annuity PlanAmerican Cancer Society, Inc…$475MUnited Food and Commercial Workers Unions and Employers Pension PlanUnited Food and Commercial W…$475M
End-of-year total assets ($M) among Ironworkers National Pension Plan and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2023.

Illinois filing particulars

Total Assets (Beginning of Year)$464M
Net Assets (End of Year)$476M
Net Income$13M
Employer EIN526122274
Plan Effective Date1969-03-20
Filing StatusFILING RECEIVED

Sponsor Plan History (Ironworkers National Pension Plan Board of Trustees)

Sponsor-wide plan assets over time

All Ironworkers National Pension Plan Board of Trustees plans reported in each filing year

Latest sponsor-wide plan assets
$503M 8.401764540471309% vs 2022
2024 filing year
$460M$480M$500M$520M 202220232024 $464M $503M ▲ +8.4%
Year Plans Participants Total Assets
2022 1 2,510 $464M
2023 1 2,555 $476M
2024 1 2,757 $503M

Nearby Defined Benefit (Pension) Plans in Illinois

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

Ironworkers National Pension Plan vs. nearby Defined Benefit (Pension) plans in Illinois, assets vs. participants Scatter plot of 6 data points. 0200004000060000 -200204060 Total assets ($B) Participants Ironworkers National Pension Plan, Total assets ($B): 0.475966882 · Participants: 2555Ironworkers National Pension PlanCentral States, Southeast & Southwest Areas Pension Plan, Total assets ($B): 49.680270595 · Participants: 48538Central States, Southeast & Southwest Areas Pension PlanState Farm Insurance Companies Retirement Plan for United States Employees, Total assets ($B): 35.242945747 · Participants: 45001State Farm Insurance Companies Retirement Plan for United States EmployeesUnited Food & Commercial Workers Intl Union - Industry Pension Fund, Total assets ($B): 7.965094339 · Participants: 20680United Food & Commercial Workers Intl Union - Industry Pension FundJohn Deere Pension Plan for Salaried Employees, Total assets ($B): 7.960744597 · Participants: 16346John Deere Pension Plan for Salaried EmployeesAbbott Laboratories Annuity Retirement Plan, Total assets ($B): 7.819798504 · Participants: 17382Abbott Laboratories Annuity Retirement Plan
Ironworkers National Pension Plan vs. nearby Defined Benefit (Pension) plans in Illinois, assets vs. participants
Compare Ironworkers National Pension Plan side-by-side with 3 peers →

Ironworkers National Pension Plan's out-of-state Defined Benefit (Pension) peers by assets and headcount

Outside Illinois, the nearest Defined Benefit (Pension) by assets is St. Lukes Health Network Pension Plan in PA ($476M); by covered participants it is Norton Healthcare, Inc. Retirement Plan in KY (2,555 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (2,555 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 Ironworkers National Pension Plan assets move in 2023? ▼
Ironworkers National Pension Plan edged up modestly - up 2.5% during 2023, from $464M to $476M. Reported net income was $13M.
How have Ironworkers National Pension Plan Board of Trustees plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Ironworkers National Pension Plan Board of Trustees's sponsor-wide assets grew 8.4%, from $464M to $503M.
Where does Ironworkers National Pension Plan rank by assets among Form 5500 filers? ▼
Ironworkers National Pension Plan ranks in the 97th 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 Ironworkers National Pension Plan? ▼
Among Defined Benefit (Pension) plans in other states, the closest by assets is St. Lukes Health Network Pension Plan in PA ($476M, 2,382 participants).
Which Defined Benefit (Pension) plans cover a similar participant headcount to Ironworkers National Pension Plan? ▼
Among Defined Benefit (Pension) plans in other states, the closest by covered participants is Norton Healthcare, Inc. Retirement Plan in KY (2,555 participants, $171M 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 526122274.

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.