401(k) · DOL Form 5500 · 2022

Trustmark Corporation 401(k) Plan

Data updated 2026-08-25

$345M
Total assets Above avg plan size
2,730
Participants Above avg headcount
97th
Percentile by assets National rank
$126,338
Avg per participant Near avg balance/head
PlainRetire home → About this data RSS: change history

Official DOL plan name: Trustmark 401(k) Plan · Sponsored by Trustmark Corporation · Mississippi · Finance & Insurance

$345M in assets, 2,730 participants

Trustmark Corporation's Trustmark 401(k) Plan reported $345M in total assets and 2,730 participants in its 2022 DOL Form 5500 filing, ranking in the 97th 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.

  • #8,791 in Finance & Insurance (9,261 peers)

Coverage in Mississippi

Trustmark 401(k) Plan covers 2,730 participants in Mississippi, 7.4x the typical Mississippi plan (state average ~366 per filing). Assets: $345M.

#8,791
in Finance & Insurance (9,261 peers)
-17.7%
assets change YoY
3.5×
vs typical plan assets (national mean)

The plan reported a net loss of $74M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Trustmark 401(k) Plan's outsized position by total assets

Trustmark 401(k) Plan vs every filed plan by assets

End-of-year total assets · plan year 2022 · DOL Form 5500

$344,903,275 Top 3% higher than 97% of 139,123 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 2022

Trustmark 401(k) Plan's large-plan peer group by participant headcount

Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Trustmark 401(k) Plan lands in the large band (2,730 participants).

Published 5500 schedule card

Filing strip 640471500 · Trustmark Corporation PY 2022 · 401(k)

Trustmark 401(k) Plan · $345M · 2,730 · 97th

  • SCH $345M
  • EBSA 2,730
  • PART 97th
  • TYPE 401(k)
  • NET near Co-Op Pension Plan
  • BOOK ind #8791

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 Finance & Insurance retirement plans → · Plans in Mississippi →

Trustmark 401(k) Plan in the asset neighbourhood

Thompson Hine LLP Retirement PlanThompson Hine LLP Retirement…$345MAbercrombie & Fitch Co. Savings and Retirement PlanAbercrombie & Fitch Co. Savi…$345MCo-Op Pension Plan$345MTrustmark 401(k) Plan$345MThe Cooper Companies, Inc. 401(k) Savings PlanThe Cooper Companies, Inc. 4…$345M
End-of-year total assets ($M) among Trustmark 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

Mississippi filing particulars

Total Assets (Beginning of Year)$419M
Net Assets (End of Year)$345M
Net Income-$74M
Employer EIN640471500
Plan Effective Date1964-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Trustmark Corporation)

Sponsor-wide plan assets over time

All Trustmark Corporation plans reported in each filing year

Latest sponsor-wide plan assets
$398M 15.314772235781177% vs 2022
2024 filing year
$320M$340M$360M$380M$400M$420M 202220232024 $345M $398M ▲ +15.3%
Year Plans Participants Total Assets
2022 1 2,730 $345M
2023 1 2,772 $385M
2024 1 2,796 $398M

Nearby 401(k) Plans in Mississippi

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

Trustmark 401(k) Plan vs. nearby 401(k) plans in Mississippi, assets vs. participants Scatter plot of 6 data points. 1000200030004000500060007000 200300400500600700800 Total assets ($M) Participants Trustmark 401(k) Plan, Total assets ($M): 344.903275 · Participants: 2730Trustmark 401(k) PlanCadence 401(k) Profit-Sharing Plan, Total assets ($M): 717.418669 · Participants: 6553Cadence 401(k) Profit-Sharing PlanErgon 401(k) Plan, Total assets ($M): 560.12104 · Participants: 3038Ergon 401(k) PlanHancock Whitney Corporation 401(k) Savings Plan, Total assets ($M): 467.614065 · Participants: 3323Hancock Whitney Corporation 401(k) Savings PlanSouthern Farm Bureau and Adopting Companies 401(k) Plan, Total assets ($M): 432.693601 · Participants: 2626Southern Farm Bureau and Adopting Companies 401(k) PlanHattiesburg Clinic P. a. Savings Plan, Total assets ($M): 305.696199 · Participants: 2199Hattiesburg Clinic P. a. Savings Plan
Trustmark 401(k) Plan vs. nearby 401(k) plans in Mississippi, assets vs. participants
Compare Trustmark 401(k) Plan side-by-side with 3 peers →

Trustmark 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Mississippi, the nearest 401(k) by assets is Co-Op Pension Plan in TN ($345M); by covered participants it is Genesys Retirement Savings Plan in CA (2,730 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($345M here).

Similar participant headcount

Nearest other-state filings by covered participants (2,730 participants); asset peers above are excluded.

DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Trustmark 401(k) Plan assets move in 2022? ▼
Trustmark 401(k) Plan declined sharply - down 17.7% during 2022, from $419M to $345M. Reported net income was -$74M.
How have Trustmark Corporation plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Trustmark Corporation's sponsor-wide assets grew 15.3%, from $345M to $398M.
Where does Trustmark 401(k) Plan rank by assets among Form 5500 filers? ▼
Trustmark 401(k) Plan ranks in the 97th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Trustmark 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by assets is Co-Op Pension Plan in TN ($345M, 3,005 participants).
Which 401(k) plans cover a similar participant headcount to Trustmark 401(k) Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Genesys Retirement Savings Plan in CA (2,730 participants, $494M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2022.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 640471500.

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.