Western Washington U.a. Supplemental Pension Plan

Reviewed by PlainRetire Editorial, Retirement Plans Editorial Team

ERISA Form 5500 plan record drawn from DOL EBSA — verify with linked source filings below.

Sponsored by Board of Trustees of the Western Wa U.a. Supplemental Pension Plan · Washington · Construction

What the 2023 filing shows

Western Washington U.a. Supplemental Pension Plan holds $574M for 2,158 participants — about $265,906 per participant, up 21.4% over the 2023 plan year.

$574M
total plan assets (2023 EOY): 2,158
covered participants: $265,906
avg assets per participant: +21.4%
assets growth YoY

Total Assets (2023)

$574M

Participants

2,158

State

Washington

Industry

Construction

What the Filing Says About Western Washington U.a. Supplemental Pension Plan

Western Washington U.a. Supplemental Pension Plan is a 401(k) retirement plan sponsored by Board of Trustees of the Western Wa U.a. Supplemental Pension Plan, headquartered in Washington. As of the 2023 Form 5500 filing, the plan reports $574M in total end-of-year assets and covers 2,158 participants across the Construction industry. The sponsor's EIN on file with the U.S. Department of Labor is 911879397, and the plan has been effective since 1998-01-01. Its filing status is currently FILING RECEIVED.

Year over year, total assets moved from $472M at the beginning of 2023 to $574M at year-end — a gain of 21.4%. Net assets (after liabilities) closed the year at $573M, with reported net income of $100M driven by investment returns, contributions received, and benefit payments during the period. These figures reflect what the plan administrator certified on Schedule H or Schedule I of the Form 5500 annual return and can be compared against 2 prior plan-year filings from the same sponsor shown below.

Asset totals and participant counts reflect a single plan year snapshot and can change materially with market conditions, plan mergers, or workforce changes. Fields such as "net income" include both realized investment performance and contribution/distribution flows — a single-year figure does not by itself indicate plan health or participant outcomes. This page summarizes public DOL disclosures for research and educational purposes only and is not retirement, tax, legal, or financial advice. Before making decisions about your own retirement benefits or evaluating an employer's plan, verify the underlying filing directly via the DOL EFAST2 system and consult a qualified professional.

Financial Summary (2023)

Total Assets (Beginning of Year)	$472M
Total Assets (End of Year)	$574M
Net Assets (End of Year)	$573M
Net Income	$100M
Plan Type	401(k)
Employer EIN	911879397
Plan Effective Date	1998-01-01
Filing Status	FILING RECEIVED

Sponsor Plan History (Board of Trustees of the Western Wa U.a. Supplemental Pension Plan)

Year	Plans	Participants	Total Assets
2022	1	5,114	$472M
2023	1	2,158	$574M
2024	1	4,342	$661M

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Related Data

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Frequently Asked Questions

How much money is in the Western Washington U.a. Supplemental Pension Plan? ▼

As of the 2023 Form 5500 filing, Western Washington U.a. Supplemental Pension Plan holds $574M in total assets with 2,158 participants. It is sponsored by Board of Trustees of the Western Wa U.a. Supplemental Pension Plan.

What type of plan is Western Washington U.a. Supplemental Pension Plan? ▼

Western Washington U.a. Supplemental Pension Plan is a 401(k) plan. It has been effective since 1998-01-01. The plan is filed with the U.S. Department of Labor under EIN 911879397.

Who sponsors the Western Washington U.a. Supplemental Pension Plan? ▼

Western Washington U.a. Supplemental Pension Plan is sponsored by Board of Trustees of the Western Wa U.a. Supplemental Pension Plan, located in Washington. The sponsor's EIN is 911879397 and the plan operates in the Construction industry.

How did Western Washington U.a. Supplemental Pension Plan perform in 2023? ▼

Western Washington U.a. Supplemental Pension Plan grew by 21.4% during 2023, moving from $472M to $574M in total assets. Net income was $100M.

Where can I find official filings for Western Washington U.a. Supplemental Pension Plan? ▼

Official Form 5500 filings for Western Washington U.a. Supplemental Pension Plan are available through the U.S. Department of Labor's EFAST2 system. Search by EIN 911879397 or plan name at efast.dol.gov.

How does Western Washington U.a. Supplemental Pension Plan compare to other plans? ▼

You can compare Western Washington U.a. Supplemental Pension Plan against other 401(k) plans on the plan type page, or view plans in Washington on the state page. PlainRetire tracks the 5,000 largest retirement plans in the U.S. by total assets.