401(k) · DOL Form 5500 · 2023

Marten Transport, Ltd. 401(k) Plan

Data updated 2026-08-25

$126M
Total assets Near avg plan size
4,047
Participants Above avg headcount
93rd
Percentile by assets National rank
$31,213
Avg per participant Low balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Marten Transport Retirement Savings Plan · Sponsored by Marten Transport, Ltd. · Wisconsin · Transportation & Warehousing

$126M in assets, 4,047 participants

Marten Transport, Ltd.'s Marten Transport Retirement Savings Plan reported $126M in total assets and 4,047 participants in its 2023 DOL Form 5500 filing, ranking in the 93rd 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.

  • #3,049 in Transportation & Warehousing (3,362 peers)

Coverage in Wisconsin

Marten Transport Retirement Savings Plan covers 4,047 participants in Wisconsin, 7.2x the typical Wisconsin plan (state average ~563 per filing). Assets: $126M.

#3,049
in Transportation & Warehousing (3,362 peers)
+20.5%
assets growth YoY
1.3×
vs typical plan assets (national mean)

Marten Transport Retirement Savings Plan's outsized position by total assets

Marten Transport Retirement Savings Plan vs every filed plan by assets

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

$126,320,057 Top 7% higher than 93% 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

Marten Transport Retirement Savings 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. Marten Transport Retirement Savings Plan lands in the large band (4,047 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Marten Transport Retirement Savings Plan reported net income rose from -$10M in the plan year 2022 filing to $22M in the plan year 2023 filing.
  • Marten Transport Retirement Savings Plan end-of-year assets rose from $105M in the plan year 2022 filing to $126M in the plan year 2023 filing.
  • Marten Transport Retirement Savings Plan reported participants rose from 3,580 in the plan year 2022 filing to 4,047 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Published 5500 schedule card

Filing strip 391140809 · Marten Transport, Ltd. PY 2023 · 401(k)

Marten Transport Retirement Savings Plan · $126M · 4,047 · 93rd

  • TYPE $126M
  • TYPE 4,047
  • TYPE 93rd
  • TYPE 401(k)
  • TYPE near IBEW Local Union No 252 Def Contrib Plan 401(k) Plan
  • TYPE ind #3049

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 Transportation & Warehousing retirement plans → · Plans in Wisconsin →

Marten Transport Retirement Savings Plan in the asset neighbourhood

San Diego Diagnostic Radiology Medical Group, Inc. Profit Sharing and Savings PlanSan Diego Diagnostic Radiolo…$126MCutco Corporation Salaried Employees' Savings PlanCutco Corporation Salaried E…$126MMarten Transport Retirement Savings PlanMarten Transport Retirement …$126MIBEW Local Union No 252 Def Contrib Plan 401(k) PlanIBEW Local Union No 252 Def …$126MHerzog Contracting Corp. 401(k) PlanHerzog Contracting Corp. 401…$126M
End-of-year total assets ($M) among Marten Transport Retirement Savings Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Wisconsin filing particulars

Total Assets (Beginning of Year)$105M
Net Assets (End of Year)$126M
Net Income$22M
Employer EIN391140809
Plan Effective Date1993-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Marten Transport, Ltd.)

Sponsor-wide plan assets over time

All Marten Transport, Ltd. plans reported in each filing year

Latest sponsor-wide plan assets
$137M 31.191425147994593% vs 2022
2024 filing year
$100M$110M$120M$130M$140M$150M 202220232024 $105M $137M ▲ +31.2%
Year Plans Participants Total Assets
2022 1 3,580 $105M
2023 1 4,047 $126M
2024 1 3,824 $137M

Nearby 401(k) Plans in Wisconsin

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

Marten Transport Retirement Savings Plan vs. nearby 401(k) plans in Wisconsin, assets vs. participants Scatter plot of 6 data points. 020000400006000080000100000 -20246810 Total assets ($B) Participants Marten Transport Retirement Savings Plan, Total assets ($B): 0.126320057 · Participants: 4047Marten Transport Retirement Savings 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
Marten Transport Retirement Savings Plan vs. nearby 401(k) plans in Wisconsin, assets vs. participants
Compare Marten Transport Retirement Savings Plan side-by-side with 3 peers →

Marten Transport Retirement Savings Plan's out-of-state 401(k) peers by assets and headcount

Outside Wisconsin, the nearest 401(k) by assets is IBEW Local Union No 252 Def Contrib Plan 401(k) Plan in MI ($126M); by covered participants it is University of Minnesota Physicians Retirement Savings and 401(k) Plan in MN (4,047 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (4,047 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 Marten Transport Retirement Savings Plan assets move in 2023? ▼
Marten Transport Retirement Savings Plan grew sharply - up 20.5% during 2023, from $105M to $126M. Reported net income was $22M.
How have Marten Transport, Ltd. plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Marten Transport, Ltd.'s sponsor-wide assets grew 31.2%, from $105M to $137M.
Where does Marten Transport Retirement Savings Plan rank by assets among Form 5500 filers? ▼
Marten Transport Retirement Savings Plan ranks in the 93rd percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 10% of all filed plans by assets).
Which 401(k) plans are similar in size to Marten Transport Retirement Savings Plan? ▼
Among 401(k) plans in other states, the closest by assets is IBEW Local Union No 252 Def Contrib Plan 401(k) Plan in MI ($126M, 1,295 participants).
Which 401(k) plans cover a similar participant headcount to Marten Transport Retirement Savings Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is University of Minnesota Physicians Retirement Savings and 401(k) Plan in MN (4,047 participants, $933M 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 391140809.

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.