Defined Benefit (Pension) · DOL Form 5500 · 2023

Mayer Brown LLP Pension Plan

Data updated 2026-08-25

$208M
Total assets Near avg plan size
293
Participants Below avg headcount
95th
Percentile by assets National rank
$710,797
Avg per participant High balance/head
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Official DOL plan name: Mayer Brown LLP U.S.a. Cash Balance Pension Plan · Sponsored by Mayer Brown LLP · Illinois · Professional & Technical Services

$208M in assets, 293 participants

Mayer Brown LLP's Mayer Brown LLP U.S.a. Cash Balance Pension Plan reported $208M in total assets and 293 participants in its 2023 DOL Form 5500 filing, ranking in the 95th 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.

  • #19,524 in Professional & Technical Services (20,321 peers)

Coverage in Illinois

Mayer Brown LLP U.S.a. Cash Balance Pension Plan covers 293 participants in Illinois, about 38% of the average Illinois filer (state average ~779 per filing). Assets: $208M.

#19,524
in Professional & Technical Services (20,321 peers)
+25.3%
assets growth YoY
2.1×
vs typical plan assets (national mean)

Mayer Brown LLP U.S.a. Cash Balance Pension Plan's outsized position by total assets

Mayer Brown LLP U.S.a. Cash Balance Pension Plan vs every filed plan by assets

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

$208,263,564 Top 5% higher than 95% 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

Mayer Brown LLP U.S.a. Cash Balance Pension Plan among mid-size filed plans by headcount

Plan-year 2023 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Mayer Brown LLP U.S.a. Cash Balance Pension Plan sits mid-pack in the medium band (293 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Mayer Brown LLP U.S.a. Cash Balance Pension Plan reported net income rose from -$8M in the plan year 2022 filing to $42M in the plan year 2023 filing.
  • Mayer Brown LLP U.S.a. Cash Balance Pension Plan end-of-year assets rose from $166M in the plan year 2022 filing to $208M in the plan year 2023 filing.
  • Mayer Brown LLP U.S.a. Cash Balance Pension Plan reported participants rose from 283 in the plan year 2022 filing to 293 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Plan-year Form 5500 strip

Filing strip 361447220 · Mayer Brown LLP PY 2023 · Defined Benefit (Pension)

Mayer Brown LLP U.S.a. Cash Balance Pension Plan · $208M · 293 · 95th

  • PART $208M
  • TYPE 293
  • NET 95th
  • BOOK Defined Benefit (Pension)
  • VS-ST near General Building Laborers' Local 66 Pension Fund
  • BOY ind #19524

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 →

Mayer Brown LLP U.S.a. Cash Balance Pension Plan in the asset neighbourhood

Mayer Brown LLP U.S.a. Cash Balance Pension PlanMayer Brown LLP U.S.a. Cash …$208MGeneral Building Laborers' Local 66 Pension FundGeneral Building Laborers' L…$208MNews Corp Pension Plan$208MWellington Management Company LLP Defined Benefit PlanWellington Management Compan…$208MMymichigan Health Pension Plan for Armc EmployeesMymichigan Health Pension Pl…$208M
End-of-year total assets ($M) among Mayer Brown LLP U.S.a. Cash Balance Pension Plan and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2023.

Illinois filing particulars

Total Assets (Beginning of Year)$166M
Net Assets (End of Year)$208M
Net Income$42M
Employer EIN361447220
Plan Effective Date2013-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Mayer Brown LLP)

Sponsor-wide plan assets over time

All Mayer Brown LLP plans reported in each filing year

Latest sponsor-wide plan assets
$1.5B 28.79757869793471% vs 2022
2024 filing year
$1.1B$1.2B$1.3B$1.4B$1.5B$1.6B 202220232024 $1.14B $1.47B ▲ +28.9%
Year Plans Participants Total Assets
2022 2 2,274 $1.1B
2023 2 2,417 $1.3B
2024 2 2,452 $1.5B

Nearby Defined Benefit (Pension) Plans in Illinois

Peer Defined Benefit (Pension) plans, same state, same plan type, ranked by total assets.

Mayer Brown LLP U.S.a. Cash Balance Pension Plan vs. nearby Defined Benefit (Pension) plans in Illinois, assets vs. participants Scatter plot of 6 data points. -200000200004000060000 -200204060 Total assets ($B) Participants Mayer Brown LLP U.S.a. Cash Balance Pension Plan, Total assets ($B): 0.208263564 · Participants: 293Mayer Brown LLP U.S.a. Cash Balance Pension PlanCentral States, Southeast & Southwest Areas Pension Plan, Total assets ($B): 49.680270595 · Participants: 48538Central States, Southeast & Southwest Areas Pension PlanState Farm Insurance Companies Retirement Plan for United States Employees, Total assets ($B): 35.242945747 · Participants: 45001State Farm Insurance Companies Retirement Plan for United States EmployeesUnited Food & Commercial Workers Intl Union - Industry Pension Fund, Total assets ($B): 7.965094339 · Participants: 20680United Food & Commercial Workers Intl Union - Industry Pension FundJohn Deere Pension Plan for Salaried Employees, Total assets ($B): 7.960744597 · Participants: 16346John Deere Pension Plan for Salaried EmployeesAbbott Laboratories Annuity Retirement Plan, Total assets ($B): 7.819798504 · Participants: 17382Abbott Laboratories Annuity Retirement Plan
Mayer Brown LLP U.S.a. Cash Balance Pension Plan vs. nearby Defined Benefit (Pension) plans in Illinois, assets vs. participants
Compare Mayer Brown LLP U.S.a. Cash Balance Pension Plan side-by-side with 3 peers →

Mayer Brown LLP U.S.a. Cash Balance Pension Plan's out-of-state Defined Benefit (Pension) peers by assets and headcount

Outside Illinois, the nearest Defined Benefit (Pension) by assets is General Building Laborers' Local 66 Pension Fund in NY ($208M); by covered participants it is Wesbanco, Inc. Defined Benefit Pension Plan in WV (293 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (293 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 Mayer Brown LLP U.S.a. Cash Balance Pension Plan assets move in 2023? ▼
Mayer Brown LLP U.S.a. Cash Balance Pension Plan grew sharply - up 25.3% during 2023, from $166M to $208M. Reported net income was $42M.
How have Mayer Brown LLP plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Mayer Brown LLP's sponsor-wide assets grew 28.8%, from $1.1B to $1.5B.
Where does Mayer Brown LLP U.S.a. Cash Balance Pension Plan rank by assets among Form 5500 filers? ▼
Mayer Brown LLP U.S.a. Cash Balance Pension Plan ranks in the 95th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 5% of all filed plans by assets).
Which Defined Benefit (Pension) plans are similar in size to Mayer Brown LLP U.S.a. Cash Balance Pension Plan? ▼
Among Defined Benefit (Pension) plans in other states, the closest by assets is General Building Laborers' Local 66 Pension Fund in NY ($208M, 739 participants).
Which Defined Benefit (Pension) plans cover a similar participant headcount to Mayer Brown LLP U.S.a. Cash Balance Pension Plan? ▼
Among Defined Benefit (Pension) plans in other states, the closest by covered participants is Wesbanco, Inc. Defined Benefit Pension Plan in WV (293 participants, $183M 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 361447220.

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.