401(k) · DOL Form 5500 · 2023

Mewbourne Oil Company Employees' 401(k) Plan 401(k) Plan

Data updated 2026-08-25

$180M
Total assets Near avg plan size
640
Participants Below avg headcount
94th
Percentile by assets National rank
$281,622
Avg per participant High balance/head
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Official DOL plan name: Mewbourne Oil Company Employees' 401(k) Plan · Sponsored by Mewbourne Oil Company Employees' 401(k) Plan · Texas · Mining & Oil Extraction

$180M in assets, 640 participants

Mewbourne Oil Company Employees' 401(k) Plan's Mewbourne Oil Company Employees' 401(k) Plan reported $180M in total assets and 640 participants in its 2023 DOL Form 5500 filing, ranking in the 94th 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.

  • #720 in Mining & Oil Extraction (811 peers)

Where Mewbourne Oil Company Employees' 401(k) Plan sits by assets

Mewbourne Oil Company Employees' 401(k) Plan sits in the top 10% of all filed plans by assets, $180M for 640 participants (~$281,622/participant), up 28.3% in 2023.

#720
in Mining & Oil Extraction (811 peers)
+28.3%
assets growth YoY
1.8×
vs typical plan assets (national mean)

Mewbourne Oil Company Employees' 401(k) Plan's outsized position by total assets

Mewbourne Oil Company Employees' 401(k) Plan vs every filed plan by assets

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

$180,238,272 Top 6% higher than 94% 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

Mewbourne Oil Company Employees' 401(k) 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. Mewbourne Oil Company Employees' 401(k) Plan sits mid-pack in the medium band (640 participants).

What changed between DOL Form 5500 filings

plan year 2022 → plan year 2023

  • Mewbourne Oil Company Employees' 401(k) Plan reported net income rose from $910K in the plan year 2022 filing to $40M in the plan year 2023 filing.
  • Mewbourne Oil Company Employees' 401(k) Plan end-of-year assets rose from $141M in the plan year 2022 filing to $180M in the plan year 2023 filing.
  • Mewbourne Oil Company Employees' 401(k) Plan reported participants fell from 670 in the plan year 2022 filing to 640 in the plan year 2023 filing.

See the national 2022→2023 release diff →

Published 5500 schedule card

Filing strip 751254872 · Mewbourne Oil Company Employees' 401(k) Plan PY 2023 · 401(k)

Mewbourne Oil Company Employees' 401(k) Plan · $180M · 640 · 94th

  • TYPE $180M
  • NET 640
  • BOOK 94th
  • VS-ST 401(k)
  • BOY near Wolf, Greenfield & Sacks, P.C. 401(k) Plan
  • SCH ind #720

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 Mining & Oil Extraction retirement plans → · Plans in Texas →

Mewbourne Oil Company Employees' 401(k) Plan in the asset neighbourhood

Mongodb, Inc 401(k) Plan$180MDebevoise & Plimpton LLP Cash or Deferred Plan for Associates and CounselDebevoise & Plimpton LLP Cas…$180MFreedom Mortgage 401(k) Plan$180MMewbourne Oil Company Employees' 401(k) PlanMewbourne Oil Company Employ…$180MWolf, Greenfield & Sacks, P.C. 401(k) PlanWolf, Greenfield & Sacks, P.…$180M
End-of-year total assets ($M) among Mewbourne Oil Company Employees' 401(k) Plan and nearest nationwide 401(k) peers. Source: DOL Form 5500 plan year 2023.

Scale-class filing particulars (2023)

Total Assets (Beginning of Year)$141M
Net Assets (End of Year)$180M
Net Income$40M
Employer EIN751254872
Plan Effective Date1989-09-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Mewbourne Oil Company Employees' 401(k) Plan)

Sponsor-wide plan assets over time

All Mewbourne Oil Company Employees' 401(k) Plan plans reported in each filing year

Latest sponsor-wide plan assets
$215M 53.34303268705213% vs 2022
2024 filing year
$100M$150M$200M$250M 202220232024 $141M $215M ▲ +53.3%
Year Plans Participants Total Assets
2022 1 670 $141M
2023 1 640 $180M
2024 1 703 $215M

Nearby 401(k) Plans in Texas

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

Mewbourne Oil Company Employees' 401(k) Plan vs. nearby 401(k) plans in Texas, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -1001020304050 Total assets ($B) Participants Mewbourne Oil Company Employees' 401(k) Plan, Total assets ($B): 0.180238272 · Participants: 640Mewbourne Oil Company Employees' 401(k) PlanAT&T Retirement Savings Plan, Total assets ($B): 40.012012 · Participants: 119854AT&T Retirement Savings PlanExxonmobil Savings Plan, Total assets ($B): 21.917 · Participants: 23477Exxonmobil Savings PlanCaterpillar 401(k) Savings Plan, Total assets ($B): 16.496476432 · Participants: 41679Caterpillar 401(k) Savings PlanAmerican Airlines, Inc. 401(k) Plan, Total assets ($B): 14.680189879 · Participants: 88792American Airlines, Inc. 401(k) PlanDell Inc. 401(k) Plan, Total assets ($B): 13.529835 · Participants: 45686Dell Inc. 401(k) Plan
Mewbourne Oil Company Employees' 401(k) Plan vs. nearby 401(k) plans in Texas, assets vs. participants

Mewbourne Oil Company Employees' 401(k) Plan's out-of-state 401(k) peers by assets and headcount

Outside Texas, the nearest 401(k) by assets is Wolf, Greenfield & Sacks, P.C. 401(k) Plan in MA ($180M); by covered participants it is Marsh Furniture Company 401(k) Plan in NC (640 participants). Same-state nearby plans are listed separately above.

Closest by plan assets

Nearest other-state filings by tot_assets_eoy ($180M here).

Similar participant headcount

Nearest other-state filings by covered participants (640 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 Mewbourne Oil Company Employees' 401(k) Plan assets move in 2023?
Mewbourne Oil Company Employees' 401(k) Plan grew sharply - up 28.3% during 2023, from $141M to $180M. Reported net income was $40M.
How have Mewbourne Oil Company Employees' 401(k) Plan plan assets changed over time?
Across 3 plan years on file (2022-2024), Mewbourne Oil Company Employees' 401(k) Plan's sponsor-wide assets grew 53.3%, from $141M to $215M.
Where does Mewbourne Oil Company Employees' 401(k) Plan rank by assets among Form 5500 filers?
Mewbourne Oil Company Employees' 401(k) Plan ranks in the 94th percentile by end-of-year assets among 127,072 plans that reported assets for plan year 2023 (in the top 10% of all filed plans by assets).
Which 401(k) plans are similar in size to Mewbourne Oil Company Employees' 401(k) Plan?
Among 401(k) plans in other states, the closest by assets is Wolf, Greenfield & Sacks, P.C. 401(k) Plan in MA ($180M, 422 participants).
Which 401(k) plans cover a similar participant headcount to Mewbourne Oil Company Employees' 401(k) Plan?
Among 401(k) plans in other states, the closest by covered participants is Marsh Furniture Company 401(k) Plan in NC (640 participants, $18M in assets).