Other · DOL Form 5500 · 2024

Operating Engineers Local 428 Annuity Trust Fund Retirement Plan

Data updated 2026-07-24

$313M
Total assets: 7,789
Participants: 96th
Percentile by assets: $40,246
Avg per participant

Official DOL plan name: Operating Engineers Local 428 Annuity Trust Fund · Sponsored by Operating Engineers Local 428 Annuity Trust Fund · Arizona · Construction

$313M in assets, 7,789 participants

Operating Engineers Local 428 Annuity Trust Fund's Operating Engineers Local 428 Annuity Trust Fund reported $313M in total assets and 7,789 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 116,472 plans)

Coverage in Arizona

Operating Engineers Local 428 Annuity Trust Fund covers 7,789 participants in Arizona, 14x the typical Arizona plan (state average ~577 per filing). Assets: $313M.

$313M
total plan assets (2024 EOY): 7,789
covered participants: 96th
percentile by assets (of 116,472 plans): $40,246
avg assets per participant

Operating Engineers Local 428 Annuity Trust Fund reported net income fell from $35M in the plan year 2023 filing to $22M in the plan year 2024 filing.
Operating Engineers Local 428 Annuity Trust Fund end-of-year assets rose from $291M in the plan year 2023 filing to $313M in the plan year 2024 filing.
Operating Engineers Local 428 Annuity Trust Fund reported participants rose from 7,670 in the plan year 2023 filing to 7,789 in the plan year 2024 filing.

See the national 2023→2024 release diff →

State

Arizona

Industry

Construction

Participants vs Arizona filers

In Arizona, the average filing covers about 577 participants across 2,182 plans. Operating Engineers Local 428 Annuity Trust Fund reports 7,789 participants - 14x that state average ($313M EOY assets).

Arizona filing particulars

Total Assets (Beginning of Year)	$291M
Net Assets (End of Year)	$313M
Net Income	$22M
Employer EIN	866025732
Plan Effective Date	1985-01-01
Filing Status	FILING RECEIVED

Sponsor Plan History (Operating Engineers Local 428 Annuity Trust Fund)

Total plan assets by year, all Operating Engineers Local 428 Annuity Trust Fund plans on file

Year	Plans	Participants	Total Assets
2022	2	7,554	$278M
2023	2	7,682	$311M
2024	2	7,789	$330M

Nearby Other Plans in Arizona

Peer Other plans, same state, same plan type, ranked by total assets.

Operating Engineers Local 428 Annuity Trust Fund vs. nearby Other plans in Arizona, assets vs. participants

Honor Health 403(b) Retirement Security Plan $1.2B · 14,781
El Rio Santa Cruz Neighborhood Health Center, Inc. Retirement Plan $180M · 1,976
Banner Health Employees 403(b) Plan $173M · 11,316
Kingman Healthcare, Inc. 403(b) Retirement Plan $114M · 1,897
Summit Healthcare Regional Medical Center Performance Based Flexible Contribution Retirement Plan $56M · 1,276

Compare Operating Engineers Local 428 Annuity Tr… side-by-side with 3 peers →

Similar-Sized Other Plans Nationally

Other plans in other states closest to Operating Engineers Local 428 Annuity Trust Fund by total assets, not by location.

Azusa Pacific University Defined Contribution Plan (CA) $314M · 2,229
Middlebury College Voluntary Retirement Plan (VT) $312M · 1,028
The Salk Institute Retirement Plan (CA) $311M · 864
Denison University Retirement Plan (OH) $310M · 1,126

Frequently Asked Questions

How did Operating Engineers Local 428 Annuity Trust Fund assets move in 2024? ▼

Operating Engineers Local 428 Annuity Trust Fund grew at a solid clip - up 7.6% during 2024, from $291M to $313M. Reported net income was $22M.

How have Operating Engineers Local 428 Annuity Trust Fund plan assets changed over time? ▼

Across 3 plan years on file (2022-2024), Operating Engineers Local 428 Annuity Trust Fund's sponsor-wide assets grew 18.8%, from $278M to $330M.

Where does Operating Engineers Local 428 Annuity Trust Fund rank by assets among Form 5500 filers? ▼

Operating Engineers Local 428 Annuity Trust Fund ranks in the 96th percentile by end-of-year assets among 116,472 plans that reported assets for plan year 2024 (in the top 5% of all filed plans by assets).

Which Other plans are similar in size to Operating Engineers Local 428 Annuity Trust Fund? ▼

Among Other plans in other states, the closest by assets is Azusa Pacific University Defined Contribution Plan in CA ($314M, 2,229 participants).

Next read for Operating Engineers Local 428 Annuity Tr…

Filing takeaways

Ways to act on Operating Engineers Local 428 Annuity Trust Fund's numbers.

By total assets, Operating Engineers Local 428 Annuity Trust Fund ranks in the top 5% of all filed plans by assets. See the largest plans
Compare it side-by-side against 3 similar Other plans in Arizona. Compare plans
Operating Engineers Local 428 Annuity Trust Fund's sponsor-wide assets have grown 18.8% since 2022 across 3 plan years on file. More Construction plans

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 866025732.

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.