401(k) · DOL Form 5500 · 2023

Munger, Tolles & Olson LLP 401(k) Plan

Data updated 2026-08-25

$219M
Total assets Near avg plan size
472
Participants Below avg headcount
95th
Percentile by assets National rank
$464,266
Avg per participant High balance/head
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Official DOL plan name: Mto 401(k) Profit Sharing Plan · Sponsored by Munger, Tolles & Olson LLP · California · Professional & Technical Services

$219M in assets, 472 participants

Munger, Tolles & Olson LLP's Mto 401(k) Profit Sharing Plan reported $219M in total assets and 472 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.

  • #19,555 in Professional & Technical Services (20,321 peers)

Where Mto 401(k) Profit Sharing Plan sits by assets

Mto 401(k) Profit Sharing Plan sits in the top 5% of all filed plans by assets, $219M for 472 participants (~$464,266/participant), up 19.6% in 2023.

#19,555
in Professional & Technical Services (20,321 peers)
+19.6%
assets growth YoY
2.2×
vs typical plan assets (national mean)

Mto 401(k) Profit Sharing Plan's outsized position by total assets

Mto 401(k) Profit Sharing Plan vs every filed plan by assets

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

$219,133,768 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

Mto 401(k) Profit Sharing 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. Mto 401(k) Profit Sharing Plan sits mid-pack in the medium band (472 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Mto 401(k) Profit Sharing Plan reported net income rose from -$9M in the plan year 2022 filing to $36M in the plan year 2023 filing.
  • Mto 401(k) Profit Sharing Plan end-of-year assets rose from $183M in the plan year 2022 filing to $219M in the plan year 2023 filing.
  • Mto 401(k) Profit Sharing Plan reported participants rose from 444 in the plan year 2022 filing to 472 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Plan-year Form 5500 strip

Filing strip 952156481 · Munger, Tolles & Olson LLP PY 2023 · 401(k)

Mto 401(k) Profit Sharing Plan · $219M · 472 · 95th

  • PHOTO $219M
  • IND 472
  • EOY 95th
  • 5500 401(k)
  • ASSETS near Abx Air, Inc. Pilots Investment Plan
  • PCT ind #19555

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 California →

Mto 401(k) Profit Sharing Plan in the asset neighbourhood

Zbi Multiple Employer 401(k) Retirement PlanZbi Multiple Employer 401(k)…$219MMto 401(k) Profit Sharing PlanMto 401(k) Profit Sharing Pl…$219MAbx Air, Inc. Pilots Investment PlanAbx Air, Inc. Pilots Investm…$219MThe Talbots Retirement Savings 401(k) PlanThe Talbots Retirement Savin…$219MPoet 401(k) Plan$219M
End-of-year total assets ($M) among Mto 401(k) Profit Sharing Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Scale-class filing particulars (2023)

Total Assets (Beginning of Year)$183M
Net Assets (End of Year)$219M
Net Income$36M
Employer EIN952156481
Plan Effective Date1973-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Munger, Tolles & Olson LLP)

Sponsor-wide plan assets over time

All Munger, Tolles & Olson LLP plans reported in each filing year

Latest sponsor-wide plan assets
$408M 7.722818881129035% vs 2022
2024 filing year
$300M$400M$500M$600M 202220232024 $379M $408M ▲ +7.7%
Year Plans Participants Total Assets
2022 3 1,094 $379M
2023 3 1,224 $576M
2024 2 792 $408M

Nearby 401(k) Plans in California

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

Mto 401(k) Profit Sharing Plan vs. nearby 401(k) plans in California, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000200000250000 -200204060 Total assets ($B) Participants Mto 401(k) Profit Sharing Plan, Total assets ($B): 0.219133768 · Participants: 472Mto 401(k) Profit Sharing PlanWells Fargo & Company 401(k) Plan, Total assets ($B): 51.831350351 · Participants: 193919Wells Fargo & Company 401(k) PlanGoogle LLC 401(k) Savings Plan, Total assets ($B): 39.047152408 · Participants: 122867Google LLC 401(k) Savings PlanOracle Corporation 401(k) Savings and Investment Plan, Total assets ($B): 26.320437734 · Participants: 63105Oracle Corporation 401(k) Savings and Investment PlanIntel 401(k) Savings Plan, Total assets ($B): 22.17918189 · Participants: 59863Intel 401(k) Savings PlanApple 401(k) Plan, Total assets ($B): 19.779511539 · Participants: 106111Apple 401(k) Plan
Mto 401(k) Profit Sharing Plan vs. nearby 401(k) plans in California, assets vs. participants
Compare Mto 401(k) Profit Sharing Plan side-by-side with 3 peers →

Mto 401(k) Profit Sharing Plan's out-of-state 401(k) peers by assets and headcount

Outside California, the nearest 401(k) by assets is Abx Air, Inc. Pilots Investment Plan in OH ($219M); by covered participants it is Utah Community Federal Credit Union Retirement Plan in UT (472 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($219M here).

Similar participant headcount

Nearest other-state filings by covered participants (472 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 Mto 401(k) Profit Sharing Plan assets move in 2023? ▼
Mto 401(k) Profit Sharing Plan grew sharply - up 19.6% during 2023, from $183M to $219M. Reported net income was $36M.
How have Munger, Tolles & Olson LLP plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Munger, Tolles & Olson LLP's sponsor-wide assets grew 7.7%, from $379M to $408M.
Where does Mto 401(k) Profit Sharing Plan rank by assets among Form 5500 filers? ▼
Mto 401(k) Profit Sharing 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 401(k) plans are similar in size to Mto 401(k) Profit Sharing Plan? ▼
Among 401(k) plans in other states, the closest by assets is Abx Air, Inc. Pilots Investment Plan in OH ($219M, 322 participants).
Which 401(k) plans cover a similar participant headcount to Mto 401(k) Profit Sharing Plan? ▼
Among 401(k) plans in other states, the closest by covered participants is Utah Community Federal Credit Union Retirement Plan in UT (472 participants, $34M 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 952156481.

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.