Defined Benefit (Pension) · DOL Form 5500 · 2024

Northwest Ironworkers Retirement Plan Board of Trustees Pension Plan

Data updated 2026-08-25

$854M
Total assets Above avg plan size
3,350
Participants Above avg headcount
98th
Percentile by assets National rank
$255,031
Avg per participant Above avg balance/head
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Official DOL plan name: Northwest Ironworkers Retirement Plan · Sponsored by Northwest Ironworkers Retirement Plan Board of Trustees · Washington · Construction

$854M in assets, 3,350 participants

Northwest Ironworkers Retirement Plan Board of Trustees's Northwest Ironworkers Retirement Plan reported $854M in total assets and 3,350 participants in its 2024 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.

  • #8,882 in Construction (9,039 peers)

Coverage in Washington

Northwest Ironworkers Retirement Plan covers 3,350 participants in Washington, 2.3x the typical Washington plan (state average ~1,476 per filing). Assets: $854M.

#8,882
in Construction (9,039 peers)
+8.8%
assets growth YoY
8.6×
vs typical plan assets (national mean)

Northwest Ironworkers Retirement Plan's outsized position by total assets

Northwest Ironworkers Retirement Plan vs every filed plan by assets

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

$854,354,130 Top 2% higher than 98% 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

Northwest Ironworkers Retirement Plan'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. Northwest Ironworkers Retirement Plan lands in the large band (3,350 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Northwest Ironworkers Retirement Plan reported participants fell from 3,724 in the plan year 2023 filing to 3,350 in the plan year 2024 filing.
  • Northwest Ironworkers Retirement Plan end-of-year assets rose from $785M in the plan year 2023 filing to $854M in the plan year 2024 filing.
  • Northwest Ironworkers Retirement Plan reported net income rose from $71M in the plan year 2023 filing to $74M in the plan year 2024 filing.

See the national 2023→2024 release diff →

EBSA filing schedule strip

Filing strip 916123688 · Northwest Ironworkers Retirement Plan Board of Trustees PY 2024 · Defined Benefit (Pension)

Northwest Ironworkers Retirement Plan · $854M · 3,350 · 98th

  • NET $854M
  • NET 3,350
  • NET 98th
  • NET Defined Benefit (Pension)
  • NET near Kaleida Health Pension Growth Plan
  • NET ind #8882

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 Washington →

Northwest Ironworkers Retirement Plan in the asset neighbourhood

New Century Energies, Inc. Retirement Plan for Public Service Company of Colorado Bargaining Unit Ees and Former Non-Bargaining Unit EesNew Century Energies, Inc. R…$860MU.a. Local 467 Defined Benefit PlanU.a. Local 467 Defined Benef…$859MNorthwest Ironworkers Retirement PlanNorthwest Ironworkers Retire…$854MKaleida Health Pension Growth PlanKaleida Health Pension Growt…$852MCna Retirement Plan$849M
End-of-year total assets ($M) among Northwest Ironworkers Retirement Plan and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2024.

Washington filing particulars

Total Assets (Beginning of Year)$785M
Net Assets (End of Year)$851M
Net Income$74M
Employer EIN916123688
Plan Effective Date1963-12-16
Filing StatusFILING RECEIVED

Sponsor Plan History (Northwest Ironworkers Retirement Plan Board of Trustees)

Sponsor-wide plan assets over time

All Northwest Ironworkers Retirement Plan Board of Trustees plans reported in each filing year

Latest sponsor-wide plan assets
$854M 20.66193215834973% vs 2022
2024 filing year
$650M$700M$750M$800M$850M$900M 202220232024 $708M $854M ▲ +20.7%
Year Plans Participants Total Assets
2022 1 3,915 $708M
2023 1 3,724 $785M
2024 1 3,350 $854M

Nearby Defined Benefit (Pension) Plans in Washington

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

Northwest Ironworkers Retirement Plan vs. nearby Defined Benefit (Pension) plans in Washington, assets vs. participants Scatter plot of 6 data points. -1000000100000200000300000 -200204060 Total assets ($B) Participants Northwest Ironworkers Retirement Plan, Total assets ($B): 0.85435413 · Participants: 3350Northwest Ironworkers Retirement PlanWestern Conference of Teamsters Pension Plan, Total assets ($B): 56.4105157 · Participants: 231156Western Conference of Teamsters Pension PlanThe Pension Value Plan for Employees of the Boeing Company, Total assets ($B): 23.342502332 · Participants: 29538The Pension Value Plan for Employees of the Boeing CompanyThe Boeing Company Employee Retirement Plan, Total assets ($B): 15.379508818 · Participants: 31398The Boeing Company Employee Retirement PlanLocals 302 & 612 of the Iuoe - Employers Construction Industry Retirement Plan, Total assets ($B): 3.327244882 · Participants: 8695Locals 302 & 612 of the Iuoe - Employers Construction Industry Retirement PlanPaccar Inc Retirement Plan, Total assets ($B): 2.704439451 · Participants: 10345Paccar Inc Retirement Plan
Northwest Ironworkers Retirement Plan vs. nearby Defined Benefit (Pension) plans in Washington, assets vs. participants
Compare Northwest Ironworkers Retirement Plan side-by-side with 3 peers →

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

Outside Washington, the nearest Defined Benefit (Pension) by assets is Kaleida Health Pension Growth Plan in NY ($852M); by covered participants it is Cargill, Inc. and Associated Companies Salaried Employees Pension Plan in MN (3,346 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (3,350 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 Northwest Ironworkers Retirement Plan assets move in 2024? ▼
Northwest Ironworkers Retirement Plan grew at a solid clip - up 8.8% during 2024, from $785M to $854M. Reported net income was $74M.
How have Northwest Ironworkers Retirement Plan Board of Trustees plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Northwest Ironworkers Retirement Plan Board of Trustees's sponsor-wide assets grew 20.7%, from $708M to $854M.
Where does Northwest Ironworkers Retirement Plan rank by assets among Form 5500 filers? ▼
Northwest Ironworkers Retirement Plan ranks in the 98th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top 5% of all filed plans by assets).
Which Defined Benefit (Pension) plans are similar in size to Northwest Ironworkers Retirement Plan? ▼
Among Defined Benefit (Pension) plans in other states, the closest by assets is Kaleida Health Pension Growth Plan in NY ($852M, 5,585 participants).
Which Defined Benefit (Pension) plans cover a similar participant headcount to Northwest Ironworkers Retirement Plan? ▼
Among Defined Benefit (Pension) plans in other states, the closest by covered participants is Cargill, Inc. and Associated Companies Salaried Employees Pension Plan in MN (3,346 participants, $2.0B in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 916123688.

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.