401(k) · DOL Form 5500 · 2023

Sidley Austin LLP 401(k) Plan

Data updated 2026-08-25

$1.7B
Total assets Very large vs avg
3,400
Participants Above avg headcount
99th
Percentile by assets National rank
$498,059
Avg per participant High balance/head
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Official DOL plan name: Sidley Austin LLP Savings and Investment Plan · Sponsored by Sidley Austin LLP · Illinois · Professional & Technical Services

$1.7B in assets, 3,400 participants

Sidley Austin LLP's Sidley Austin LLP Savings and Investment Plan reported $1.7B in total assets and 3,400 participants in its 2023 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.

  • #20,217 in Professional & Technical Services (20,321 peers)

Coverage in Illinois

Sidley Austin LLP Savings and Investment Plan covers 3,400 participants in Illinois, 4.4x the typical Illinois plan (state average ~779 per filing). Assets: $1.7B.

#20,217
in Professional & Technical Services (20,321 peers)
+18.9%
assets growth YoY
17×
vs typical plan assets (national mean)

Sidley Austin LLP Savings and Investment Plan's outsized position by total assets

Sidley Austin LLP Savings and Investment Plan vs every filed plan by assets

End-of-year total assets · plan year 2023 · DOL Form 5500

$1,693,400,787 Top 1% higher than 99% of 127,068 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 2023

Sidley Austin LLP Savings and Investment Plan's large-plan peer group by participant headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Sidley Austin LLP Savings and Investment Plan lands in the large band (3,400 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Sidley Austin LLP Savings and Investment Plan reported net income rose from -$295M in the plan year 2022 filing to $270M in the plan year 2023 filing.
  • Sidley Austin LLP Savings and Investment Plan end-of-year assets rose from $1.4B in the plan year 2022 filing to $1.7B in the plan year 2023 filing.
  • Sidley Austin LLP Savings and Investment Plan reported participants rose from 3,100 in the plan year 2022 filing to 3,400 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Plan-year Form 5500 strip

Filing strip 364474078 · Sidley Austin LLP PY 2023 · 401(k)

Sidley Austin LLP Savings and Investment Plan · $1.7B · 3,400 · 99th

  • EIN $1.7B
  • EIN 3,400
  • EIN 99th
  • EIN 401(k)
  • EIN near International Paper Company Hourly Savings Plan
  • EIN ind #20217

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 Professional & Technical Services retirement plans → · Plans in Illinois →

Sidley Austin LLP Savings and Investment Plan in the asset neighbourhood

Burns & Mcdonnell, Inc. 401(k) Savings PlanBurns & Mcdonnell, Inc. 401(…$1.7BSidley Austin LLP Savings and Investment PlanSidley Austin LLP Savings an…$1.7BInternational Paper Company Hourly Savings PlanInternational Paper Company …$1.7BPerformance Food Group Employee Savings PlanPerformance Food Group Emplo…$1.7BArcadis U.S., Inc. Retirement Savings PlanArcadis U.S., Inc. Retiremen…$1.7B
End-of-year total assets ($B) among Sidley Austin LLP Savings and Investment Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Illinois filing particulars

Total Assets (Beginning of Year)$1.4B
Net Assets (End of Year)$1.7B
Net Income$270M
Employer EIN364474078
Plan Effective Date1986-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Sidley Austin LLP)

Sponsor-wide plan assets over time

All Sidley Austin LLP plans reported in each filing year

Latest sponsor-wide plan assets
$3.5B 26.655336780533283% vs 2022
2024 filing year
$2.5B$3B$3.5B$4B 202220232024 $2.76B $3.5B ▲ +26.8%
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 Scatter plot of 6 data points. -1000000100000200000300000 05101520 Total assets ($B) Participants Sidley Austin LLP Savings and Investment Plan, Total assets ($B): 1.693400787 · Participants: 3400Sidley Austin LLP Savings and Investment PlanAccenture United States 401(k) Match Savings Plan, Total assets ($B): 17.594548115 · Participants: 69974Accenture United States 401(k) Match Savings PlanState Farm 401(k) Savings Plan, Total assets ($B): 16.935002041 · Participants: 60246State Farm 401(k) Savings PlanAbbott Laboratories Stock Retirement Plan, Total assets ($B): 14.496191 · Participants: 38012Abbott Laboratories Stock Retirement PlanUnited Airlines Pilot Retirement Account Plan, Total assets ($B): 14.367975914 · Participants: 14959United Airlines Pilot Retirement Account PlanWalgreens Retirement Savings Plan, Total assets ($B): 13.444551767 · Participants: 235331Walgreens Retirement Savings Plan
Sidley Austin LLP Savings and Investment Plan vs. nearby 401(k) plans in Illinois, assets vs. participants
Compare Sidley Austin LLP Savings and Investment Plan side-by-side with 3 peers →

Sidley Austin LLP Savings and Investment Plan's out-of-state 401(k) peers by assets and headcount

Outside Illinois, the nearest 401(k) by assets is International Paper Company Hourly Savings Plan in TN ($1.7B); by covered participants it is Mettler-Toledo, LLC Enhanced Retirement Savings Plan in OH (3,401 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($1.7B here).

Similar participant headcount

Nearest other-state filings by covered participants (3,400 participants); asset peers above are excluded.

DOL Form 5500 plan year 2023. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Sidley Austin LLP Savings and Investment Plan assets move in 2023? ▼
Sidley Austin LLP Savings and Investment Plan grew sharply - up 18.9% during 2023, from $1.4B to $1.7B. Reported net income was $270M.
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 127,072 plans that reported assets for plan year 2023 (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 International Paper Company Hourly Savings Plan in TN ($1.7B, 20,831 participants).
Which 401(k) plans cover a similar participant headcount to Sidley Austin LLP Savings and Investment Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Mettler-Toledo, LLC Enhanced Retirement Savings Plan in OH (3,401 participants, $709M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2023.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 364474078.

Read our methodology - how this data is sourced, computed, and verified.

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