401(k) · DOL Form 5500 · 2023

Plexus Corp. 401(k) Plan

Data updated 2026-08-25

$543M
Total assets Above avg plan size
3,324
Participants Above avg headcount
98th
Percentile by assets National rank
$163,227
Avg per participant Above avg balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Plexus Corp. 401(k) Retirement Plan · Sponsored by Plexus Corp. · Wisconsin · Management of Enterprises

$543M in assets, 3,324 participants

Plexus Corp.'s Plexus Corp. 401(k) Retirement Plan reported $543M in total assets and 3,324 participants in its 2023 DOL Form 5500 filing, ranking in the 98th 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.

  • #1,033 in Management of Enterprises (1,137 peers)

Coverage in Wisconsin

Plexus Corp. 401(k) Retirement Plan covers 3,324 participants in Wisconsin, 5.9x the typical Wisconsin plan (state average ~563 per filing). Assets: $543M.

#1,033
in Management of Enterprises (1,137 peers)
+17.3%
assets growth YoY
5.4×
vs typical plan assets (national mean)

Plexus Corp. 401(k) Retirement Plan's outsized position by total assets

Plexus Corp. 401(k) Retirement Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$542,567,976 Top 2% higher than 98% of 127,068 filed plans

This plan $0 $2,050,000,000 every filed plan with reported assets, bucketed by value

Dashed line + filled bar = this entry, among filed plans.

Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2023

Plexus Corp. 401(k) Retirement Plan's large-plan peer group by participant headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Plexus Corp. 401(k) Retirement Plan lands in the large band (3,324 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Plexus Corp. 401(k) Retirement Plan reported net income rose from -$88M in the plan year 2022 filing to $80M in the plan year 2023 filing.
  • Plexus Corp. 401(k) Retirement Plan end-of-year assets rose from $463M in the plan year 2022 filing to $543M in the plan year 2023 filing.
  • Plexus Corp. 401(k) Retirement Plan reported participants fell from 3,363 in the plan year 2022 filing to 3,324 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Published 5500 schedule card

Filing strip 391344447 · Plexus Corp. PY 2023 · 401(k)

Plexus Corp. 401(k) Retirement Plan · $543M · 3,324 · 98th

  • VS-ST $543M
  • VS-ST 3,324
  • VS-ST 98th
  • VS-ST 401(k)
  • VS-ST near Hancock Whitney Corporation 401(k) Savings Plan
  • VS-ST ind #1033

Stamps derive from this plan's Form 5500 line items (assets, participants, type, EIN, cohort placement) - not a quality rating of the sponsor. Read with Management of Enterprises retirement plans → · Plans in Wisconsin →

Plexus Corp. 401(k) Retirement Plan in the asset neighbourhood

401(k) Plan for the Washington Post and Companies401(k) Plan for the Washingt…$543MSimon Property Group and Adopting Entities Matching Savings PlanSimon Property Group and Ado…$543MHntb Retirement and Savings PlanHntb Retirement and Savings …$543MPlexus Corp. 401(k) Retirement PlanPlexus Corp. 401(k) Retireme…$543MHancock Whitney Corporation 401(k) Savings PlanHancock Whitney Corporation …$543M
End-of-year total assets ($M) among Plexus Corp. 401(k) Retirement Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Wisconsin filing particulars

Total Assets (Beginning of Year)$463M
Net Assets (End of Year)$543M
Net Income$80M
Employer EIN391344447
Plan Effective Date1989-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Plexus Corp.)

Sponsor-wide plan assets over time

All Plexus Corp. plans reported in each filing year

Latest sponsor-wide plan assets
$606M 31.02272771343341% vs 2022
2024 filing year
$400M$450M$500M$550M$600M$650M 202220232024 $463M $606M ▲ +31.0%
Year Plans Participants Total Assets
2022 1 3,363 $463M
2023 1 3,324 $543M
2024 1 3,233 $606M

Nearby 401(k) Plans in Wisconsin

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

Plexus Corp. 401(k) Retirement Plan vs. nearby 401(k) plans in Wisconsin, assets vs. participants Scatter plot of 6 data points. -20000020000400006000080000100000 0246810 Total assets ($B) Participants Plexus Corp. 401(k) Retirement Plan, Total assets ($B): 0.542567976 · Participants: 3324Plexus Corp. 401(k) Retirement PlanAdvocate Aurora Health 401(k) Plan, Total assets ($B): 9.125723544 · Participants: 76956Advocate Aurora Health 401(k) PlanJohnson Controls Retirement Savings and Investment Plan, Total assets ($B): 6.160116767 · Participants: 28904Johnson Controls Retirement Savings and Investment PlanFiserv 401(k) Savings Plan, Total assets ($B): 4.81171463 · Participants: 25280Fiserv 401(k) Savings PlanKimberly-Clark Corporation 401(k) & Profit Sharing Plan, Total assets ($B): 4.550761 · Participants: 11236Kimberly-Clark Corporation 401(k) & Profit Sharing PlanRockwell Automation Retirement Savings Plan, Total assets ($B): 3.62235882 · Participants: 8877Rockwell Automation Retirement Savings Plan
Plexus Corp. 401(k) Retirement Plan vs. nearby 401(k) plans in Wisconsin, assets vs. participants
Compare Plexus Corp. 401(k) Retirement Plan side-by-side with 3 peers →

Plexus Corp. 401(k) Retirement Plan's out-of-state 401(k) peers by assets and headcount

Outside Wisconsin, the nearest 401(k) by assets is Hancock Whitney Corporation 401(k) Savings Plan in MS ($543M); by covered participants it is Radiate Holdco, LLC Retirement Savings Plan in NJ (3,323 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (3,324 participants); asset peers above are excluded.

DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Plexus Corp. 401(k) Retirement Plan assets move in 2023? ▼
Plexus Corp. 401(k) Retirement Plan grew sharply - up 17.3% during 2023, from $463M to $543M. Reported net income was $80M.
How have Plexus Corp. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Plexus Corp.'s sponsor-wide assets grew 31.0%, from $463M to $606M.
Where does Plexus Corp. 401(k) Retirement Plan rank by assets among Form 5500 filers? ▼
Plexus Corp. 401(k) Retirement Plan ranks in the 98th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Plexus Corp. 401(k) Retirement Plan? ▼
Among 401(k) plans in other states, the closest by assets is Hancock Whitney Corporation 401(k) Savings Plan in MS ($543M, 3,545 participants).
Which 401(k) plans cover a similar participant headcount to Plexus Corp. 401(k) Retirement Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Radiate Holdco, LLC Retirement Savings Plan in NJ (3,323 participants, $288M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 391344447.

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.