401(k) · DOL Form 5500 · 2022

Sidley Austin LLP 401(k) Plan

Data updated 2026-08-11

$1.4B
Total assets
3,100
Participants
99th
Percentile by assets
$459,287
Avg per participant
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Official DOL plan name: Sidley Austin LLP Savings and Investment Plan · Sponsored by Sidley Austin LLP · Illinois · Professional & Technical Services

$1.4B in assets, 3,100 participants

Sidley Austin LLP's Sidley Austin LLP Savings and Investment Plan reported $1.4B in total assets and 3,100 participants in its 2022 DOL Form 5500 filing, ranking in the 99th 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.

  • 99th percentile by assets (of 139,126 plans)
  • #21,455 in Professional & Technical Services (21,562 peers)

Coverage in Illinois

Sidley Austin LLP Savings and Investment Plan covers 3,100 participants in Illinois, 4.0x the typical Illinois plan (state average ~779 per filing). Assets: $1.4B.

$1.4B
total plan assets (2022 EOY)
3,100
covered participants
99th
percentile by assets (of 139,126 plans)
$459,287
avg assets per participant

The plan reported a net loss of $295M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Participants vs Illinois filers

In Illinois, the average filing covers about 779 participants across 5,745 plans. Sidley Austin LLP Savings and Investment Plan reports 3,100 participants - 4.0x that state average ($1.4B EOY assets).

Illinois filing particulars

Total Assets (Beginning of Year)$1.7B
Net Assets (End of Year)$1.4B
Net Income-$295M
Employer EIN364474078
Plan Effective Date1986-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Sidley Austin LLP)

$2.5B$3B$3.5B$4B 202220232024 $2.76B $3.5B ▲ +26.8%
Total plan assets by year, all Sidley Austin LLP plans on file
Year Plans Participants Total Assets
2022 5 5,794 $2.8B
2023 5 6,260 $3.2B
2024 5 6,174 $3.5B

Nearby 401(k) Plans in Illinois

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

Sidley Austin LLP Savings and Investment Plan vs. nearby 401(k) plans in Illinois, assets vs. participants

Sidley Austin LLP Savings and Investment Plan vs. nearby 401(k) plans in Illinois, assets vs. participants Scatter plot of 6 data points. -1000000100000200000300000 05101520 Total assets ($B) Participants Sidley Austin LLP Sa…State Farm 401(k) Sa…Accenture United Sta…Abbott Laboratories …United Airlines Pilo…Walgreens Retirement…
Sidley Austin LLP Savings and Investment 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 Sidley Austin LLP Savings and Investment Plan by total assets, not by location.

Frequently Asked Questions

How did Sidley Austin LLP Savings and Investment Plan assets move in 2022?
Sidley Austin LLP Savings and Investment Plan declined sharply - down 17.2% during 2022, from $1.7B to $1.4B. Reported net income was -$295M.
How have Sidley Austin LLP plan assets changed over time?
Across 3 plan years on file (2022-2024), Sidley Austin LLP's sponsor-wide assets grew 26.7%, from $2.8B to $3.5B.
Where does Sidley Austin LLP Savings and Investment Plan rank by assets among Form 5500 filers?
Sidley Austin LLP Savings and Investment Plan ranks in the 99th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (among the largest 1% of all filed plans).
Which 401(k) plans are similar in size to Sidley Austin LLP Savings and Investment Plan?
Among 401(k) plans in other states, the closest by assets is Wesco Distribution, Inc. Retirement Savings Plan in PA ($1.4B, 6,235 participants).

Next read for Sidley Austin LLP Savings and Investment…

Filing takeaways

Ways to act on Sidley Austin LLP Savings and Investment Plan's numbers.