Plexus Corp. 401(k) Retirement 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 Plexus Corp. · Wisconsin · Management of Enterprises

What the 2023 filing shows

Plexus Corp. 401(k) Retirement Plan holds $463M for 3,363 participants — about $137,551 per participant, down 15.9% over the 2022 plan year.

$463M
total plan assets (2022 EOY): 3,363
covered participants: $137,551
avg assets per participant: -15.9%
assets change YoY

The plan reported a net loss of $88M for the year — a single-year figure driven by markets and benefit payments, not a measure of plan health.

Total Assets (2023)

$463M

Participants

3,363

State

Wisconsin

Industry

Management of Enterprises

What the Filing Says About Plexus Corp. 401(k) Retirement Plan

Plexus Corp. 401(k) Retirement Plan is a 401(k) retirement plan sponsored by Plexus Corp., headquartered in Wisconsin. As of the 2022 Form 5500 filing, the plan reports $463M in total end-of-year assets and covers 3,363 participants across the Management of Enterprises industry. The sponsor's EIN on file with the U.S. Department of Labor is 391344447, and the plan has been effective since 1989-01-01. Its filing status is currently FILING RECEIVED.

Year over year, total assets moved from $550M at the beginning of 2022 to $463M at year-end — a decline of 15.9%. Net assets (after liabilities) closed the year at $463M, with reported net income of $-87,748,592 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)	$550M
Total Assets (End of Year)	$463M
Net Assets (End of Year)	$463M
Net Income	$-87,748,592
Plan Type	401(k)
Employer EIN	391344447
Plan Effective Date	1989-01-01
Filing Status	FILING RECEIVED

Sponsor Plan History (Plexus Corp.)

Year	Plans	Participants	Total Assets
2022	1	3,363	$463M
2023	1	3,324	$543M
2024	1	3,233	$606M

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Compare Plexus Corp. 401(k) Retirement Plan side-by-side with 3 peers →

Related Data

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Frequently Asked Questions

How much money is in the Plexus Corp. 401(k) Retirement Plan? ▼

As of the 2022 Form 5500 filing, Plexus Corp. 401(k) Retirement Plan holds $463M in total assets with 3,363 participants. It is sponsored by Plexus Corp..

What type of plan is Plexus Corp. 401(k) Retirement Plan? ▼

Plexus Corp. 401(k) Retirement Plan is a 401(k) plan. It has been effective since 1989-01-01. The plan is filed with the U.S. Department of Labor under EIN 391344447.

Who sponsors the Plexus Corp. 401(k) Retirement Plan? ▼

Plexus Corp. 401(k) Retirement Plan is sponsored by Plexus Corp., located in Wisconsin. The sponsor's EIN is 391344447 and the plan operates in the Management of Enterprises industry.

How did Plexus Corp. 401(k) Retirement Plan perform in 2022? ▼

Plexus Corp. 401(k) Retirement Plan declined by 15.9% during 2022, moving from $550M to $463M in total assets. Net income was $-87,748,592.

Where can I find official filings for Plexus Corp. 401(k) Retirement Plan? ▼

Official Form 5500 filings for Plexus Corp. 401(k) Retirement Plan are available through the U.S. Department of Labor's EFAST2 system. Search by EIN 391344447 or plan name at efast.dol.gov.

How does Plexus Corp. 401(k) Retirement Plan compare to other plans? ▼

You can compare Plexus Corp. 401(k) Retirement Plan against other 401(k) plans on the plan type page, or view plans in Wisconsin on the state page. PlainRetire tracks the 5,000 largest retirement plans in the U.S. by total assets.