401(k) · DOL Form 5500 · 2024

Board of Trustees Iuoe Local 478 Annuity Fund 401(k) Plan

Data updated 2026-08-11

$377M
Total assets
4,899
Participants
96th
Percentile by assets
$77,020
Avg per participant
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Official DOL plan name: Iuoe Local 478 Annuity Fund · Sponsored by Board of Trustees Iuoe Local 478 Annuity Fund · Connecticut · Construction

$377M in assets, 4,899 participants

Board of Trustees Iuoe Local 478 Annuity Fund's Iuoe Local 478 Annuity Fund reported $377M in total assets and 4,899 participants in its 2024 DOL Form 5500 filing, ranking in the 96th 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.

  • 96th percentile by assets (of 123,622 plans)
  • #8,672 in Construction (9,039 peers)

Coverage in Connecticut

Iuoe Local 478 Annuity Fund covers 4,899 participants in Connecticut, 6.8x the typical Connecticut plan (state average ~718 per filing). Assets: $377M.

$377M
total plan assets (2024 EOY)
4,899
covered participants
96th
percentile by assets (of 123,622 plans)
$77,020
avg assets per participant

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Iuoe Local 478 Annuity Fund reported net income fell from $43M in the plan year 2023 filing to $37M in the plan year 2024 filing.
  • Iuoe Local 478 Annuity Fund end-of-year assets rose from $340M in the plan year 2023 filing to $377M in the plan year 2024 filing.
  • Iuoe Local 478 Annuity Fund reported participants rose from 4,723 in the plan year 2023 filing to 4,899 in the plan year 2024 filing.

See the national 2023→2024 release diff →

State
Industry

Participants vs Connecticut filers

In Connecticut, the average filing covers about 718 participants across 1,906 plans. Iuoe Local 478 Annuity Fund reports 4,899 participants - 6.8x that state average ($377M EOY assets).

Connecticut filing particulars

Total Assets (Beginning of Year)$340M
Net Assets (End of Year)$377M
Net Income$37M
Employer EIN061230516
Plan Effective Date1988-01-26
Filing StatusFILING RECEIVED

Sponsor Plan History (Board of Trustees Iuoe Local 478 Annuity Fund)

$250M$300M$350M$400M 202220232024 $297M $377M ▲ +27.0%
Total plan assets by year, all Board of Trustees Iuoe Local 478 Annuity Fund plans on file
Year Plans Participants Total Assets
2022 1 4,541 $297M
2023 1 4,723 $340M
2024 1 4,899 $377M

Nearby 401(k) Plans in Connecticut

Peer 401(k) plans, same state, same plan type, ranked by total assets.

Iuoe Local 478 Annuity Fund vs. nearby 401(k) plans in Connecticut, assets vs. participants

Iuoe Local 478 Annuity Fund vs. nearby 401(k) plans in Connecticut, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -20020406080 Total assets ($B) Participants Iuoe Local 478 Annui…Rtx Savings PlanCiti Retirement Savi…The Hartford Investm…Eversource 401(k) PlanXerox Corporation Sa…
Iuoe Local 478 Annuity Fund vs. nearby 401(k) plans in Connecticut, assets vs. participants

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Iuoe Local 478 Annuity Fund by total assets, not by location.

Frequently Asked Questions

How did Iuoe Local 478 Annuity Fund assets move in 2024?
Iuoe Local 478 Annuity Fund grew at a solid clip - up 10.8% during 2024, from $340M to $377M. Reported net income was $37M.
How have Board of Trustees Iuoe Local 478 Annuity Fund plan assets changed over time?
Across 3 plan years on file (2022-2024), Board of Trustees Iuoe Local 478 Annuity Fund's sponsor-wide assets grew 27.0%, from $297M to $377M.
Where does Iuoe Local 478 Annuity Fund rank by assets among Form 5500 filers?
Iuoe Local 478 Annuity Fund ranks in the 96th 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 401(k) plans are similar in size to Iuoe Local 478 Annuity Fund?
Among 401(k) plans in other states, the closest by assets is Diamond Offshore 401(k) Plan in TX ($377M, 1,272 participants).

Filing takeaways

Ways to act on Iuoe Local 478 Annuity Fund's numbers.

  • By total assets, Iuoe Local 478 Annuity Fund ranks in the top 5% of all filed plans by assets. See the largest plans
  • Compare it side-by-side against 3 similar 401(k) plans in Connecticut. Compare plans
  • Board of Trustees Iuoe Local 478 Annuity Fund's sponsor-wide assets have grown 27.0% since 2022 across 3 plan years on file. More Construction plans