401(k) · DOL Form 5500 · 2024

Aon Consulting, Inc. 401(k) Plan

Data updated 2026-08-25

$3.1B
Total assets Very large vs avg
48,473
Participants Very large workforce
100th
Percentile by assets National rank
$64,751
Avg per participant Low balance/head
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Official DOL plan name: Aon Pooled Employer Plan · Sponsored by Aon Consulting, Inc. · Illinois · Finance & Insurance

$3.1B in assets, 48,473 participants

Aon Consulting, Inc.'s Aon Pooled Employer Plan reported $3.1B in total assets and 48,473 participants in its 2024 DOL Form 5500 filing, ranking in the 100th 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.

  • #8,456 in Finance & Insurance (8,549 peers)

Coverage in Illinois

Aon Pooled Employer Plan covers 48,473 participants in Illinois, 62x the typical Illinois plan (state average ~779 per filing). Assets: $3.1B.

#8,456
in Finance & Insurance (8,549 peers)
+86.1%
assets growth YoY
31×
vs typical plan assets (national mean)

Aon Pooled Employer Plan's outsized position by total assets

Aon Pooled Employer Plan vs every filed plan by assets

End-of-year total assets · plan year 2024 · DOL Form 5500

$3,138,698,069 Highest reported value at or above every one 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

Aon Pooled Employer Plan's mega-plan peer group by participant headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Aon Pooled Employer Plan is a mega filing (48,473 participants), the rightmost band on the breakdown.

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Aon Pooled Employer Plan reported participants rose from 25,018 in the plan year 2023 filing to 48,473 in the plan year 2024 filing.
  • Aon Pooled Employer Plan end-of-year assets rose from $1.7B in the plan year 2023 filing to $3.1B in the plan year 2024 filing.
  • Aon Pooled Employer Plan reported net income rose from $262M in the plan year 2023 filing to $383M in the plan year 2024 filing.

See the national 2023→2024 release diff →

Published 5500 schedule card

Filing strip 222232264 · Aon Consulting, Inc. PY 2024 · 401(k)

Aon Pooled Employer Plan · $3.1B · 48,473 · 100th

  • BOOK $3.1B
  • VS-ST 48,473
  • BOY 100th
  • SCH 401(k)
  • EBSA near Hearst Retirement Savings Plan
  • PART ind #8456

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 Illinois →

Aon Pooled Employer Plan in the asset neighbourhood

Aon Pooled Employer Plan$3.1BHearst Retirement Savings PlanHearst Retirement Savings Pl…$3.1BBest Buy Retirement Savings PlanBest Buy Retirement Savings …$3.1BEnvision Healthcare Operating Inc. 401(k) PlanEnvision Healthcare Operatin…$3.1BSamsung 401(k) Plan$3.1B
End-of-year total assets ($B) among Aon Pooled Employer Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Illinois filing particulars

Total Assets (Beginning of Year)$1.7B
Net Assets (End of Year)$3.1B
Net Income$383M
Employer EIN222232264
Plan Effective Date2021-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Aon Consulting, Inc.)

Sponsor-wide plan assets over time

All Aon Consulting, Inc. plans reported in each filing year

Latest sponsor-wide plan assets
$3.1B 372.31886497181915% vs 2022
2024 filing year
$0B$1B$2B$3B$4B 202220232024 $0.66B $3.14B ▲ +375.8%
Year Plans Participants Total Assets
2022 1 15,916 $665M
2023 1 25,018 $1.7B
2024 1 48,473 $3.1B

Nearby 401(k) Plans in Illinois

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

Aon Pooled Employer Plan vs. nearby 401(k) plans in Illinois, assets vs. participants Scatter plot of 6 data points. 050000100000150000200000250000 0510152025 Total assets ($B) Participants Aon Pooled Employer Plan, Total assets ($B): 3.138698069 · Participants: 48473Aon Pooled Employer PlanAccenture United States 401(k) Match and Savings Plan, Total assets ($B): 21.302643276 · Participants: 66965Accenture United States 401(k) Match and Savings PlanState Farm 401(k) Savings Plan, Total assets ($B): 19.010099056 · Participants: 63297State Farm 401(k) Savings PlanUnited Airlines Pilot Retirement Account Plan, Total assets ($B): 16.835964452 · Participants: 16659United Airlines Pilot Retirement Account PlanAbbott Laboratories Stock Retirement Plan, Total assets ($B): 15.755668 · Participants: 38229Abbott Laboratories Stock Retirement PlanWalgreens Retirement Savings Plan, Total assets ($B): 14.535873337 · Participants: 233635Walgreens Retirement Savings Plan
Aon Pooled Employer Plan vs. nearby 401(k) plans in Illinois, assets vs. participants

Scale composition for Aon Pooled Employer Plan

Aon Pooled Employer Plan reports $3.1B in end-of-year assets across 48,473 participants (0.025% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.052% of 93,925,755 covered participants) - about $64,751 per participant (47% of the national average assets-per-participant) . Net income for plan year 2024 was $383M.

This plan identity (EIN 222232264, plan #001) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $665M to $3.1B (+372.3%) while covered participants moved from 15,916 to 48,473 . Single-year sparse filers cannot show that trail.

Plan year Participants EOY assets Filing
2022 15,916 $665M Open filing
2023 25,018 $1.7B Open filing
2024 · index core 48,473 $3.1B This page

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

Outside Illinois, the nearest 401(k) by assets is Hearst Retirement Savings Plan in NC ($3.1B); by covered participants it is Barrett Business Services, Inc. Retirement Savings Plan in WA (48,194 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($3.1B here).

Similar participant headcount

Nearest other-state filings by covered participants (48,473 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 Aon Pooled Employer Plan assets move in 2024?
Aon Pooled Employer Plan surged - up 86.1% during 2024, from $1.7B to $3.1B. Reported net income was $383M.
How have Aon Consulting, Inc. plan assets changed over time?
Across 3 plan years on file (2022-2024), Aon Consulting, Inc.'s sponsor-wide assets grew 372.3%, from $665M to $3.1B.
Where does Aon Pooled Employer Plan rank by assets among Form 5500 filers?
Aon Pooled Employer Plan ranks in the 100th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (among the largest 1% of all filed plans).
Which 401(k) plans are similar in size to Aon Pooled Employer Plan?
Among 401(k) plans in other states, the closest by assets is Hearst Retirement Savings Plan in NC ($3.1B, 14,150 participants).
Which 401(k) plans cover a similar participant headcount to Aon Pooled Employer Plan?
Among 401(k) plans in other states, the closest by covered participants is Barrett Business Services, Inc. Retirement Savings Plan in WA (48,194 participants, $261M in assets).