401(k) · DOL Form 5500 · 2022

Aon Consulting, Inc. 401(k) Plan

Data updated 2026-08-25

$665M
Total assets Above avg plan size
15,916
Participants Very large workforce
98th
Percentile by assets National rank
$41,752
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

$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.

  • #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.

#8,975
in Finance & Insurance (9,261 peers)
+113.8%
assets growth YoY
6.7×
vs typical plan assets (national mean)

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.

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 2022 · DOL Form 5500

$664,529,474 Top 2% higher than 98% 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

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

Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Aon Pooled Employer Plan is a mega filing (15,916 participants), the rightmost band on the breakdown.

Published 5500 schedule card

Filing strip 222232264 · Aon Consulting, Inc. PY 2022 · 401(k)

Aon Pooled Employer Plan · $665M · 15,916 · 98th

  • SCH $665M
  • EBSA 15,916
  • PART 98th
  • TYPE 401(k)
  • NET near Nfp Corp. 401(k) Plan
  • BOOK ind #8975

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

Akin Gump Strauss Hauer & Feld LLP Section 401(k) Profit Sharing PlanAkin Gump Strauss Hauer & Fe…$666MAltec, Inc. Retirement Savings PlanAltec, Inc. Retirement Savin…$666MAon Pooled Employer Plan$665MNfp Corp. 401(k) Plan$664MMutual of Omaha 401(k) Retirement Savings PlanMutual of Omaha 401(k) Retir…$664M
End-of-year total assets ($M) among Aon Pooled Employer Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2022.

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.)

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 -505101520 Total assets ($B) Participants Aon Pooled Employer Plan, Total assets ($B): 0.664529474 · Participants: 15916Aon Pooled Employer PlanState Farm 401(k) Savings Plan, Total assets ($B): 14.651519685 · Participants: 53616State Farm 401(k) Savings PlanAccenture United States 401(k) Match and Savings Plan, Total assets ($B): 14.283954811 · Participants: 66653Accenture United States 401(k) Match and Savings PlanAbbott Laboratories Stock Retirement Plan, Total assets ($B): 13.333286 · Participants: 36136Abbott Laboratories Stock Retirement PlanUnited Airlines Pilot Retirement Account Plan, Total assets ($B): 11.816542826 · Participants: 13437United Airlines Pilot Retirement Account PlanWalgreens Retirement Savings Plan, Total assets ($B): 11.682551768 · Participants: 238072Walgreens 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 $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:

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

Outside Illinois, the nearest 401(k) by assets is Nfp Corp. 401(k) Plan in NY ($664M); by covered participants it is Fastenal Company & Subsidiaries 401(k) and Employee Stock Ownership Plan in MN (15,900 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($665M here).

Similar participant headcount

Nearest other-state filings by covered participants (15,916 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 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).
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 Fastenal Company & Subsidiaries 401(k) and Employee Stock Ownership Plan in MN (15,900 participants, $711M in assets).