Plan Ledger DOL Form 5500 · updated monthly

Plexus Corp.401(k)

PLEXUS CORP. 401(K) RETIREMENT PLAN · NEENAH, WI · plan year 2025

Reported admin expense ratio · 2025
0.07%

Peer grade: B · admin costs + employer contributions vs same-size plans · how grading works

Plexus Corp. reported $423,557 in plan administrative expenses for 2025: 0.07% of average plan assets, below the peer median. Employer contributions averaged $3,456 per active participant. This ratio covers administrative expenses reported on the plan's Schedule H only; fund-level expense ratios are not included in public structured data — see methodology.

Across the 3 years on file its reported administrative ratio fell from 0.09% to 0.07%. The plan sits in the $250M–$1B size bracket, benchmarked here against 230 comparable plans and shown alongside other management of companies employers. By assets it is the 53rd-largest of 1,936 plans among Wisconsin employers on file, and the 66th of 786 in management of companies. In 2025, employees put in $2.48 for every $1.00 the employer contributed; active participation has shrunk from 3,324 to 2,810 since 2022.

Plan summary
Net assets, end of year$668,350,025
Participants with balances4,118
Active participants2,810
Employer contributions$9,711,190
Employee contributions$24,069,895
Employer contribution per active participant$3,456
Average account balance$162,300
Benefits paid to participants$63,647,206
Plan auditUnmodified (clean) audit opinion
AuditorWIPFLI LLP
Plan history4
Yearassets · accounts · employer contribution
2025$668.4M · 4,118 accts · $9.7M emplr
2024$606.1M · 4,178 accts · $9.9M emplr
2023$542.6M · 4,647 accts · $10.2M emplr
2022$462.6M · 4,676 accts · $9.7M emplr
Administrative expenses, itemized · 2025
Recordkeeping & contract admin$202,440
Investment management$182,570
Audit (IQPA)$30,252
Total administrative$423,557
The Plexus Corp. 401(k) match · 2025
Employer contribution per active participant$3,456
Median for plans this size$4,295
2025$3,456 per active participant
2024$3,647 per active participant
2023$3,146 per active participant
2022$2,908 per active participant

Plexus Corp.'s 2025 employer contribution ran below the $4,295 median for plans its size. Filings report dollars actually contributed, not the match formula; the formula itself (for example, 50% of the first 6% of pay) lives in the plan's summary plan description from HR.

What these fees cost you

Annual cost at the plan's reported 2025 administrative ratio, against the median plan its size; fund expense ratios are extra. Compare any plan.

Service providers · 20255
T ROWE PRICE RPS INC · Recordkeeping · Trustee$202,439
FRANCIS INVESTMENT COUNSEL LLC · Investment advisory (participants)$104,318
FRANCIS INVESTMENT COUNSEL LLC · Investment advisory (plan)$78,252
WIPFLI LLP · Accounting / audit$30,252
SEYFARTH SHAW LLP · Legal$7,830

Compensation shown is direct payments from plan assets reported on Schedule C. Providers paid through fund revenue-sharing appear as indirect.

Recordkeeper by year3
2025T. Rowe Price
2024T. Rowe Price
2023T. Rowe Price

Looking for an account from a past job here? How to find an old 401(k).

Administrative cost history4
2025$423,557 · 0.07%
2024$460,329 · 0.08%
2023$447,289 · 0.09%
2022$460,993 · 0.09%
Same employer
Similar plansManagement of Companies · Wisconsin
Associated Banc-Corp WI$963.9M · 0.03%
Old National Bancorp IN$733.1M · 0.03%
Cincinnati Bell Inc. OH$677.0M · 0.05%
Saltchuk Resources, Inc. WA$669.8M · 0.08%
Firstbank Holding Company CO$651.3M · 0.02%
Beam Suntory Inc. NY$631.2M · 0.02%
Laitram LLC LA$614.1M · 0.01%

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Source: U.S. Department of Labor, Form 5500 series, EIN 391344447 · Verify on EFAST2 · Amounts are as reported by the plan sponsor for the plan year shown.