401(k) · DOL Form 5500 · 2023

Unum Group 401(k) Plan

Data updated 2026-08-25

$2.2B
Total assets Very large vs avg
9,604
Participants Very large workforce
99th
Percentile by assets National rank
$225,308
Avg per participant Above avg balance/head
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Official DOL plan name: Unum Group 401(k) Retirement Plan · Sponsored by Unum Group · Maine · Finance & Insurance

$2.2B in assets, 9,604 participants

Unum Group's Unum Group 401(k) Retirement Plan reported $2.2B in total assets and 9,604 participants in its 2023 DOL Form 5500 filing, ranking in the 99th 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.

  • #8,752 in Finance & Insurance (8,869 peers)

Coverage in Maine

Unum Group 401(k) Retirement Plan covers 9,604 participants in Maine, 20x the typical Maine plan (state average ~472 per filing). Assets: $2.2B.

#8,752
in Finance & Insurance (8,869 peers)
+18.7%
assets growth YoY
22×
vs typical plan assets (national mean)

Unum Group 401(k) Retirement Plan's outsized position by total assets

Unum Group 401(k) Retirement Plan vs every filed plan by assets

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

$2,163,858,906 Top 1% higher than 99% 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

Unum Group 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. Unum Group 401(k) Retirement Plan lands in the large band (9,604 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Unum Group 401(k) Retirement Plan reported net income rose from -$426M in the plan year 2022 filing to $340M in the plan year 2023 filing.
  • Unum Group 401(k) Retirement Plan end-of-year assets rose from $1.8B in the plan year 2022 filing to $2.2B in the plan year 2023 filing.
  • Unum Group 401(k) Retirement Plan reported participants rose from 9,051 in the plan year 2022 filing to 9,604 in the plan year 2023 filing.

See the national 2022→2023 release diff →

DOL schedule card

Filing strip 621598430 · Unum Group PY 2023 · 401(k)

Unum Group 401(k) Retirement Plan · $2.2B · 9,604 · 99th

  • ASSETS $2.2B
  • PCT 9,604
  • EIN 99th
  • RANK 401(k)
  • PHOTO near Agilent Technologies, Inc. 401(k) Plan
  • IND ind #8752

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 Maine →

Unum Group 401(k) Retirement Plan in the asset neighbourhood

The Clorox Company 401(k) PlanThe Clorox Company 401(k) Pl…$2.2BLockheed Martin Corporation Performance Sharing Plan for Bargaining EmployeesLockheed Martin Corporation …$2.2BUnum Group 401(k) Retirement PlanUnum Group 401(k) Retirement…$2.2BAgilent Technologies, Inc. 401(k) PlanAgilent Technologies, Inc. 4…$2.2BPipe Fitters Association L.U. 597, U.a. 401(k) PlaPipe Fitters Association L.U…$2.2B
End-of-year total assets ($B) among Unum Group 401(k) Retirement Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Maine filing particulars

Total Assets (Beginning of Year)$1.8B
Net Assets (End of Year)$2.2B
Net Income$340M
Employer EIN621598430
Plan Effective Date1984-08-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Unum Group)

Sponsor-wide plan assets over time

All Unum Group plans reported in each filing year

Latest sponsor-wide plan assets
$3.8B 21.88574223929185% vs 2022
2024 filing year
$3B$3.5B$4B 202220232024 $3.15B $3.85B ▲ +22.2%
Year Plans Participants Total Assets
2022 2 12,596 $3.2B
2023 2 12,744 $3.5B
2024 2 12,338 $3.8B

Nearby 401(k) Plans in Maine

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

Unum Group 401(k) Retirement Plan vs. nearby 401(k) plans in Maine, assets vs. participants Scatter plot of 6 data points. 010000200003000040000 0123456 Total assets ($B) Participants Unum Group 401(k) Retirement Plan, Total assets ($B): 2.163858906 · Participants: 9604Unum Group 401(k) Retirement PlanTd 401(k) Retirement Plan, Total assets ($B): 4.942173822 · Participants: 30094Td 401(k) Retirement PlanIdexx Retirement and Incentive Savings Plan, Total assets ($B): 1.048053529 · Participants: 6594Idexx Retirement and Incentive Savings PlanHannaford Bros. Co. 401(k) Plan, Total assets ($B): 0.986043827 · Participants: 29370Hannaford Bros. Co. 401(k) PlanL.L. Bean 401(k) Retirement Savings Plan, Total assets ($B): 0.721305706 · Participants: 7173L.L. Bean 401(k) Retirement Savings PlanThe Cianbro Team Equity Plan, Total assets ($B): 0.719052065 · Participants: 2658The Cianbro Team Equity Plan
Unum Group 401(k) Retirement Plan vs. nearby 401(k) plans in Maine, assets vs. participants
Compare Unum Group 401(k) Retirement Plan side-by-side with 3 peers →

Scale composition for Unum Group 401(k) Retirement Plan

Unum Group 401(k) Retirement Plan reports $2.2B in end-of-year assets across 9,604 participants (0.018% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.010% of 93,925,755 covered participants) - about $225,308 per participant (1.6x the national average assets-per-participant) . Net income for plan year 2023 was $340M.

This plan identity (EIN 621598430, plan #002) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $1.8B to $2.5B (+36.0%) while covered participants moved from 9,051 to 9,451 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 9,051 $1.8B Open filing
2023 9,604 $2.2B This page
2024 · index core 9,451 $2.5B Open filing

The same sponsor also keeps 2 other index-core plans on PlainRetire:

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

Outside Maine, the nearest 401(k) by assets is Agilent Technologies, Inc. 401(k) Plan in CA ($2.2B); by covered participants it is Jabil 401(k) Retirement Plan in FL (9,601 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (9,604 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 Unum Group 401(k) Retirement Plan assets move in 2023? ▼
Unum Group 401(k) Retirement Plan grew sharply - up 18.7% during 2023, from $1.8B to $2.2B. Reported net income was $340M.
How have Unum Group plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Unum Group's sponsor-wide assets grew 21.9%, from $3.2B to $3.8B.
Where does Unum Group 401(k) Retirement Plan rank by assets among Form 5500 filers? ▼
Unum Group 401(k) Retirement Plan ranks in the 99th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (among the largest 1% of all filed plans).
Which 401(k) plans are similar in size to Unum Group 401(k) Retirement Plan? ▼
Among 401(k) plans in other states, the closest by assets is Agilent Technologies, Inc. 401(k) Plan in CA ($2.2B, 6,437 participants).
Which 401(k) plans cover a similar participant headcount to Unum Group 401(k) Retirement Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Jabil 401(k) Retirement Plan in FL (9,601 participants, $1.1B 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 621598430.

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.