Defined Benefit (Pension) · DOL Form 5500 · 2022

Board of Trustees of the I.a.M. National Pension Fund Pension Plan

Data updated 2026-08-11

$13.8B
Total assets
94,512
Participants
100th
Percentile by assets
$146,039
Avg per participant
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Official DOL plan name: Iam National Pension Fund · Sponsored by Board of Trustees of the I.a.M. National Pension Fund · District of Columbia · Manufacturing

$13.8B in assets, 94,512 participants

Board of Trustees of the I.a.M. National Pension Fund's Iam National Pension Fund reported $13.8B in total assets and 94,512 participants in its 2022 DOL Form 5500 filing, ranking in the 100th 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.

  • 100th percentile by assets (of 139,126 plans)
  • #20,574 in Manufacturing (20,602 peers)

Coverage in District of Columbia

Iam National Pension Fund covers 94,512 participants in District of Columbia, 65x the typical District of Columbia plan (state average ~1,456 per filing). Assets: $13.8B.

$13.8B
total plan assets (2022 EOY)
94,512
covered participants
100th
percentile by assets (of 139,126 plans)
$146,039
avg assets per participant

The plan reported a net loss of $2.0B for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Participants vs District of Columbia filers

In District of Columbia, the average filing covers about 1,456 participants across 881 plans. Iam National Pension Fund reports 94,512 participants - 65x that state average ($13.8B EOY assets).

District of Columbia filing particulars

Total Assets (Beginning of Year)$15.9B
Net Assets (End of Year)$13.5B
Net Income-$2.0B
Employer EIN516031295
Plan Effective Date1991-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Board of Trustees of the I.a.M. National Pension Fund)

$13.5B$14B$14.5B$15B$15.5B 202220232024 $13.8B $15B ▲ +8.8%
Total plan assets by year, all Board of Trustees of the I.a.M. National Pension Fund plans on file
Year Plans Participants Total Assets
2022 1 94,512 $13.8B
2023 1 92,151 $14.3B
2024 1 102,493 $15.0B

Nearby Defined Benefit (Pension) Plans in District of Columbia

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

Iam National Pension Fund vs. nearby Defined Benefit (Pension) plans in District of Columbia, assets vs. participants

Iam National Pension Fund vs. nearby Defined Benefit (Pension) plans in District of Columbia, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 0510152025 Total assets ($B) Participants Iam National Pension…Central Pension Fund…United Mine Workers …Danaher Corporation …Liuna Staff and Affi…Bricklayers & Trowel…
Iam National Pension Fund vs. nearby Defined Benefit (Pension) plans in District of Columbia, assets vs. participants

Scale composition for Iam National Pension Fund

Iam National Pension Fund reports $13.8B in end-of-year assets across 94,512 participants (0.11% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.10% of 93,925,755 covered participants) - about $146,039 per participant (1.1x the national average assets-per-participant) . Net income for plan year 2022 was -$2.0B.

This plan identity (EIN 516031295, plan #002) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $13.8B to $15.0B (+8.8%) while covered participants moved from 94,512 to 102,493 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 94,512 $13.8B This page
2023 92,151 $14.3B Open filing
2024 · index core 102,493 $15.0B Open filing

The same sponsor also keeps 1 other index-core plan on PlainRetire:

Similar-Sized Defined Benefit (Pension) Plans Nationally

Defined Benefit (Pension) plans in other states closest to Iam National Pension Fund by total assets, not by location.

Frequently Asked Questions

How did Iam National Pension Fund assets move in 2022?
Iam National Pension Fund pulled back noticeably - down 12.9% during 2022, from $15.9B to $13.8B. Reported net income was -$2.0B.
How have Board of Trustees of the I.a.M. National Pension Fund plan assets changed over time?
Across 3 plan years on file (2022-2024), Board of Trustees of the I.a.M. National Pension Fund's sponsor-wide assets grew 8.8%, from $13.8B to $15.0B.
Where does Iam National Pension Fund rank by assets among Form 5500 filers?
Iam National Pension Fund ranks in the 100th 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 Iam National Pension Fund?
Among Defined Benefit (Pension) plans in other states, the closest by assets is 3M Employee Retirement Income Plan in MN ($14.0B, 12,160 participants).

Filing takeaways

Ways to act on Iam National Pension Fund's numbers.

  • By total assets, Iam National Pension Fund ranks among the largest 1% of all filed plans. See the largest plans
  • Compare it side-by-side against 3 similar Defined Benefit (Pension) plans in District of Columbia. Compare plans
  • Board of Trustees of the I.a.M. National Pension Fund's sponsor-wide assets have grown 8.8% since 2022 across 3 plan years on file. More Manufacturing plans