401(k) · DOL Form 5500 · 2024

Plexus Corp. 401(k) Plan

Data updated 2026-08-25

$606M
Total assets Above avg plan size
3,233
Participants Above avg headcount
98th
Percentile by assets National rank
$187,470
Avg per participant Above avg balance/head
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Official DOL plan name: Plexus Corp. 401(k) Retirement Plan · Sponsored by Plexus Corp. · Wisconsin · Management of Enterprises

$606M in assets, 3,233 participants

Plexus Corp.'s Plexus Corp. 401(k) Retirement Plan reported $606M in total assets and 3,233 participants in its 2024 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.

  • #1,047 in Management of Enterprises (1,133 peers)

Coverage in Wisconsin

Plexus Corp. 401(k) Retirement Plan covers 3,233 participants in Wisconsin, 5.7x the typical Wisconsin plan (state average ~563 per filing). Assets: $606M.

#1,047
in Management of Enterprises (1,133 peers)
+11.7%
assets growth YoY
6.1×
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 2024 · DOL Form 5500

$606,090,256 Top 2% higher than 98% of 123,620 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 2024

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

Plan-year 2024 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 (3,233 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Plexus Corp. 401(k) Retirement Plan reported net income fell from $80M in the plan year 2023 filing to $64M in the plan year 2024 filing.
  • Plexus Corp. 401(k) Retirement Plan end-of-year assets rose from $543M in the plan year 2023 filing to $606M in the plan year 2024 filing.
  • Plexus Corp. 401(k) Retirement Plan reported participants fell from 3,324 in the plan year 2023 filing to 3,233 in the plan year 2024 filing.

See the national 2023→2024 release diff →

Form 5500 schedule snapshot

Filing strip 391344447 · Plexus Corp. PY 2024 · 401(k)

Plexus Corp. 401(k) Retirement Plan · $606M · 3,233 · 98th

  • RANK $606M
  • PHOTO 3,233
  • IND 98th
  • EOY 401(k)
  • 5500 near Fortrea 401(k) Plan
  • ASSETS ind #1047

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

Plexus Corp. 401(k) Retirement PlanPlexus Corp. 401(k) Retireme…$606MFortrea 401(k) Plan$606MAllete and Affiliated Companies Retirement Savings and Stock Ownership PlanAllete and Affiliated Compan…$606MElectric Power Research Institute, Inc. 401(k) PlanElectric Power Research Inst…$605MVeradigm LLC. Retirement Savings PlanVeradigm LLC. Retirement Sav…$605M
End-of-year total assets ($M) among Plexus Corp. 401(k) Retirement Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Wisconsin filing particulars

Total Assets (Beginning of Year)$543M
Net Assets (End of Year)$606M
Net Income$64M
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 051015 Total assets ($B) Participants Plexus Corp. 401(k) Retirement Plan, Total assets ($B): 0.606090256 · Participants: 3233Plexus Corp. 401(k) Retirement PlanAdvocate Aurora Health 401(k) Plan, Total assets ($B): 10.487791739 · Participants: 80015Advocate Aurora Health 401(k) PlanJohnson Controls Retirement Savings and Investment Plan, Total assets ($B): 7.188548319 · Participants: 28489Johnson Controls Retirement Savings and Investment PlanFiserv 401(k) Savings Plan, Total assets ($B): 5.136404794 · Participants: 26372Fiserv 401(k) Savings PlanKimberly-Clark Corporation 401(k) & Profit Sharing Plan, Total assets ($B): 4.988151 · Participants: 11661Kimberly-Clark Corporation 401(k) & Profit Sharing PlanRockwell Automation Retirement Savings Plan, Total assets ($B): 3.765132976 · Participants: 9217Rockwell 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 Fortrea 401(k) Plan in NC ($606M); by covered participants it is Regis Hr Group 401(k) Plan in FL (3,232 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($606M here).

Similar participant headcount

Nearest other-state filings by covered participants (3,233 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. 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 2024? ▼
Plexus Corp. 401(k) Retirement Plan grew at a solid clip - up 11.7% during 2024, from $543M to $606M. Reported net income was $64M.
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 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 Plexus Corp. 401(k) Retirement Plan? ▼
Among 401(k) plans in other states, the closest by assets is Fortrea 401(k) Plan in NC ($606M, 4,771 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 Regis Hr Group 401(k) Plan in FL (3,232 participants, $108M in assets).

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 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.