401(k) · DOL Form 5500 · 2024

Madison Iaq LLC 401(k) Plan

Data updated 2026-08-25

$280M
Total assets Near avg plan size
2,737
Participants Above avg headcount
96th
Percentile by assets National rank
$102,261
Avg per participant Below avg balance/head
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Official DOL plan name: Madison Air 401(k) Plan · Sponsored by Madison Iaq LLC · Illinois · Manufacturing

$280M in assets, 2,737 participants

Madison Iaq LLC's Madison Air 401(k) Plan reported $280M in total assets and 2,737 participants in its 2024 DOL Form 5500 filing, ranking in the 96th 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.

  • #16,545 in Manufacturing (17,777 peers)

Coverage in Illinois

Madison Air 401(k) Plan covers 2,737 participants in Illinois, 3.5x the typical Illinois plan (state average ~779 per filing). Assets: $280M.

#16,545
in Manufacturing (17,777 peers)
+37.0%
assets growth YoY
2.8×
vs typical plan assets (national mean)

Madison Air 401(k) Plan's outsized position by total assets

Madison Air 401(k) Plan vs every filed plan by assets

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

$279,887,665 Top 4% higher than 96% 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

Madison Air 401(k) Plan's large-plan peer group by participant headcount

Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Madison Air 401(k) Plan lands in the large band (2,737 participants).

Form 5500 schedule snapshot

Filing strip 823247004 · Madison Iaq LLC PY 2024 · 401(k)

Madison Air 401(k) Plan · $280M · 2,737 · 96th

  • NET $280M
  • BOOK 2,737
  • VS-ST 96th
  • BOY 401(k)
  • SCH near Capital Accumulation Plan
  • EBSA ind #16545

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 Manufacturing retirement plans → · Plans in Illinois →

Madison Air 401(k) Plan in the asset neighbourhood

Arcosa 401(k) Plan$280MMetso Retirement Savings Plan$280MMadison Air 401(k) Plan$280MCapital Accumulation Plan$280MCredit Acceptance Corporation 401(k) Plan and TrustCredit Acceptance Corporatio…$280M
End-of-year total assets ($M) among Madison Air 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2024.

Illinois filing particulars

Total Assets (Beginning of Year)$204M
Net Assets (End of Year)$280M
Net Income$18M
Employer EIN823247004
Plan Effective Date2021-01-01
Filing StatusFILING RECEIVED

Nearby 401(k) Plans in Illinois

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

Madison Air 401(k) Plan vs. nearby 401(k) plans in Illinois, assets vs. participants Scatter plot of 6 data points. -1000000100000200000300000 -50510152025 Total assets ($B) Participants Madison Air 401(k) Plan, Total assets ($B): 0.279887665 · Participants: 2737Madison Air 401(k) 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
Madison Air 401(k) Plan vs. nearby 401(k) plans in Illinois, assets vs. participants

Madison Air 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Illinois, the nearest 401(k) by assets is Capital Accumulation Plan in OH ($280M); by covered participants it is Compass 401(k) Plan in NY (2,737 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($280M here).

Similar participant headcount

Nearest other-state filings by covered participants (2,737 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 Madison Air 401(k) Plan assets move in 2024?
Madison Air 401(k) Plan surged - up 37.0% during 2024, from $204M to $280M. Reported net income was $18M.
Where does Madison Air 401(k) Plan rank by assets among Form 5500 filers?
Madison Air 401(k) Plan ranks in the 96th percentile by end-of-year assets among 123,622 plans that reported assets for plan year 2024 (in the top 5% of all filed plans by assets).
Which 401(k) plans are similar in size to Madison Air 401(k) Plan?
Among 401(k) plans in other states, the closest by assets is Capital Accumulation Plan in OH ($280M, 2,445 participants).
Which 401(k) plans cover a similar participant headcount to Madison Air 401(k) Plan?
Among 401(k) plans in other states, the closest by covered participants is Compass 401(k) Plan in NY (2,737 participants, $172M in assets).