Defined Benefit (Pension) · DOL Form 5500 · 2022

Marathon Oil Company Pension Plan

Data updated 2026-08-25

$173M
Total assets Near avg plan size
1,103
Participants Near avg headcount
95th
Percentile by assets National rank
$156,886
Avg per participant Above avg balance/head
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Official DOL plan name: Retirement Plan of Marathon Oil Company · Sponsored by Marathon Oil Company · Texas · Mining & Oil Extraction

$173M in assets, 1,103 participants

Marathon Oil Company's Retirement Plan of Marathon Oil Company reported $173M in total assets and 1,103 participants in its 2022 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.

  • #808 in Mining & Oil Extraction (892 peers)

Where Retirement Plan of Marathon Oil Company sits by assets

Retirement Plan of Marathon Oil Company sits in the top 5% of all filed plans by assets, $173M for 1,103 participants (~$156,886/participant), down 15.8% in 2022.

#808
in Mining & Oil Extraction (892 peers)
-15.8%
assets change YoY
1.7×
vs typical plan assets (national mean)

The plan reported a net loss of $33M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.

Retirement Plan of Marathon Oil Company's outsized position by total assets

Retirement Plan of Marathon Oil Company vs every filed plan by assets

End-of-year total assets · plan year 2022 · DOL Form 5500

$173,045,456 Top 5% higher than 95% of 139,123 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 2022

Retirement Plan of Marathon Oil Company's large-plan peer group by participant headcount

Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Retirement Plan of Marathon Oil Company lands in the large band (1,103 participants).

DOL schedule card

Filing strip 251410539 · Marathon Oil Company PY 2022 · Defined Benefit (Pension)

Retirement Plan of Marathon Oil Company · $173M · 1,103 · 95th

  • SCH $173M
  • SCH 1,103
  • SCH 95th
  • SCH Defined Benefit (Pension)
  • SCH near Retirement Plan for Employees of Mazda North American Operations
  • SCH ind #808

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 →

Retirement Plan of Marathon Oil Company in the asset neighbourhood

Bae Systems Land & Armaments Employees Pension PlanBae Systems Land & Armaments…$173MRetirement Plan of Marathon Oil CompanyRetirement Plan of Marathon …$173MRetirement Plan for Employees of Mazda North American OperationsRetirement Plan for Employee…$173MBayhealth Medical Center, Inc. Pension PlanBayhealth Medical Center, In…$173MPlumbers & Pipefitters Local No 189 Pension PlanPlumbers & Pipefitters Local…$173M
End-of-year total assets ($M) among Retirement Plan of Marathon Oil Company and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2022.

Scale-class filing particulars (2022)

Total Assets (Beginning of Year)$206M
Net Assets (End of Year)$170M
Net Income-$33M
Employer EIN251410539
Plan Effective Date1936-01-01
Filing StatusFILING RECEIVED

Sponsor Plan History (Marathon Oil Company)

Sponsor-wide plan assets over time

All Marathon Oil Company plans reported in each filing year

Latest sponsor-wide plan assets
$1.2B 15.45082939902673% vs 2022
2024 filing year
$0.95B$1B$1.05B$1.1B$1.15B$1.2B 202220232024 $1.01B $1.16B ▲ +14.9%
Year Plans Participants Total Assets
2022 2 2,209 $1.0B
2023 2 2,347 $1.1B
2024 2 2,552 $1.2B

Nearby Defined Benefit (Pension) Plans in Texas

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

Retirement Plan of Marathon Oil Company vs. nearby Defined Benefit (Pension) plans in Texas, assets vs. participants Scatter plot of 6 data points. -50000050000100000150000 -1001020304050 Total assets ($B) Participants Retirement Plan of Marathon Oil Company, Total assets ($B): 0.173045456 · Participants: 1103Retirement Plan of Marathon Oil CompanyAT&T Pension Benefit Plan, Total assets ($B): 40.998144 · Participants: 119463AT&T Pension Benefit PlanShell Pension Plan, Total assets ($B): 14.642588618 · Participants: 12912Shell Pension PlanExxonmobil Pension Plan, Total assets ($B): 11.599 · Participants: 23661Exxonmobil Pension PlanCaterpillar Inc. Retirement Income Plan, Total assets ($B): 9.541187279 · Participants: 12815Caterpillar Inc. Retirement Income PlanBp Retirement Accumulation Plan, Total assets ($B): 5.371602289 · Participants: 9156Bp Retirement Accumulation Plan
Retirement Plan of Marathon Oil Company vs. nearby Defined Benefit (Pension) plans in Texas, assets vs. participants
Compare Retirement Plan of Marathon Oil Company side-by-side with 3 peers →

Retirement Plan of Marathon Oil Company's out-of-state Defined Benefit (Pension) peers by assets and headcount

Outside Texas, the nearest Defined Benefit (Pension) by assets is Retirement Plan for Employees of Mazda North American Operations in CA ($173M); by covered participants it is Ropes & Gray LLP Pension Plan in MA (1,101 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (1,103 participants); asset peers above are excluded.

DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.

Frequently Asked Questions

How did Retirement Plan of Marathon Oil Company assets move in 2022? ▼
Retirement Plan of Marathon Oil Company declined sharply - down 15.8% during 2022, from $206M to $173M. Reported net income was -$33M.
How have Marathon Oil Company plan assets changed over time? ▼
Across 3 plan years on file (2022-2024), Marathon Oil Company's sponsor-wide assets grew 15.5%, from $1.0B to $1.2B.
Where does Retirement Plan of Marathon Oil Company rank by assets among Form 5500 filers? ▼
Retirement Plan of Marathon Oil Company ranks in the 95th percentile by end-of-year assets among 139,126 plans that reported assets for plan year 2022 (in the top 5% of all filed plans by assets).
Which Defined Benefit (Pension) plans are similar in size to Retirement Plan of Marathon Oil Company? ▼
Among Defined Benefit (Pension) plans in other states, the closest by assets is Retirement Plan for Employees of Mazda North American Operations in CA ($173M, 360 participants).
Which Defined Benefit (Pension) plans cover a similar participant headcount to Retirement Plan of Marathon Oil Company? ▼
Among Defined Benefit (Pension) plans in other states, the closest by covered participants is Ropes & Gray LLP Pension Plan in MA (1,101 participants, $225M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2022.

Source: DOL EFAST2 filing system (efast.dol.gov) - original filing retrieval by EIN 251410539.

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.