401(k) · DOL Form 5500 · 2024

Aon Consulting, Inc. 401(k) Plan

Data updated 2026-07-24

$3.1B
Total assets
48,473
Participants
100th
Percentile by assets
$64,751
Avg per participant
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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.

  • 100th percentile by assets (of 116,472 plans)

Coverage in Illinois

Aon Pooled Employer Plan covers 48,473 participants in Illinois, 63x the typical Illinois plan (state average ~768 per filing). Assets: $3.1B.

$3.1B
total plan assets (2024 EOY)
48,473
covered participants
100th
percentile by assets (of 116,472 plans)
$64,751
avg assets per participant

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 →

State

Participants vs Illinois filers

In Illinois, the average filing covers about 768 participants across 5,440 plans. Aon Pooled Employer Plan reports 48,473 participants - 63x that state average ($3.1B EOY assets).

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.)

$0B$1B$2B$3B$4B 202220232024 $0.66B $3.14B ▲ +375.8%
Total plan assets by year, all Aon Consulting, Inc. plans on file
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

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 …Accenture United Sta…State Farm 401(k) Sa…United Airlines Pilo…Abbott Laboratories …Walgreens Retirement…
Aon Pooled Employer Plan vs. nearby 401(k) plans in Illinois, assets vs. participants

Similar-Sized 401(k) Plans Nationally

401(k) plans in other states closest to Aon Pooled Employer Plan by total assets, not by location.

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 116,472 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).

Filing takeaways

Ways to act on Aon Pooled Employer Plan's numbers.

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 222232264.

Data sourced from U.S. Department of Labor Form 5500 filings (EBSA). See our methodology for details.