401(k) · DOL Form 5500 · 2022

Aon Consulting, Inc. 401(k) Plan

Data updated 2026-08-11

$665M
Total assets
15,916
Participants
98th
Percentile by assets
$41,752
Avg per participant
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Official DOL plan name: Aon Pooled Employer Plan · Sponsored by Aon Consulting, Inc. · Illinois · Finance & Insurance

$665M in assets, 15,916 participants

Aon Consulting, Inc.'s Aon Pooled Employer Plan reported $665M in total assets and 15,916 participants in its 2022 DOL Form 5500 filing, ranking in the 98th 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.

  • 98th percentile by assets (of 139,126 plans)
  • #8,975 in Finance & Insurance (9,261 peers)

Coverage in Illinois

Aon Pooled Employer Plan covers 15,916 participants in Illinois, 20x the typical Illinois plan (state average ~779 per filing). Assets: $665M.

$665M
total plan assets (2022 EOY)
15,916
covered participants
98th
percentile by assets (of 139,126 plans)
$41,752
avg assets per participant

The plan reported a net loss of $33M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

State

Participants vs Illinois filers

In Illinois, the average filing covers about 779 participants across 5,745 plans. Aon Pooled Employer Plan reports 15,916 participants - 20x that state average ($665M EOY assets).

Illinois filing particulars

Total Assets (Beginning of Year)$311M
Net Assets (End of Year)$665M
Net Income-$33M
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 -505101520 Total assets ($B) Participants Aon Pooled Employer …State Farm 401(k) Sa…Accenture United Sta…Abbott Laboratories …United Airlines Pilo…Walgreens Retirement…
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 $665M in end-of-year assets across 15,916 participants (0.005% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.017% of 93,925,755 covered participants) - about $41,752 per participant (30% of the national average assets-per-participant) . Net income for plan year 2022 was -$33M.

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 This page
2023 25,018 $1.7B Open filing
2024 · index core 48,473 $3.1B Open filing

The same sponsor also keeps 1 other index-core plan on PlainRetire:

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 2022?
Aon Pooled Employer Plan surged - up 113.8% during 2022, from $311M to $665M. Reported net income was -$33M.
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 98th 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 Aon Pooled Employer Plan?
Among 401(k) plans in other states, the closest by assets is Nfp Corp. 401(k) Plan in NY ($664M, 5,476 participants).

Filing takeaways

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