Defined Benefit (Pension) · DOL Form 5500 · 2024

Marathon Oil Company Pension Plan

Data updated 2026-08-25

$241M
Total assets Near avg plan size
1,273
Participants Near avg headcount
95th
Percentile by assets National rank
$189,382
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

$241M in assets, 1,273 participants

Marathon Oil Company's Retirement Plan of Marathon Oil Company reported $241M in total assets and 1,273 participants in its 2024 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.

  • #709 in Mining & Oil Extraction (785 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, $241M for 1,273 participants (~$189,382/participant), up 23.7% in 2024.

#709
in Mining & Oil Extraction (785 peers)
+23.7%
assets growth YoY
2.4×
vs typical plan assets (national mean)

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 2024 · DOL Form 5500

$241,083,746 Top 5% higher than 95% of 123,620 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 2024

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

Plan-year 2024 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 (1,273 participants).

What changed between DOL Form 5500 filings

plan year 2023 → plan year 2024

  • Retirement Plan of Marathon Oil Company reported net income rose from $23M in the plan year 2023 filing to $46M in the plan year 2024 filing.
  • Retirement Plan of Marathon Oil Company end-of-year assets rose from $195M in the plan year 2023 filing to $241M in the plan year 2024 filing.
  • Retirement Plan of Marathon Oil Company reported participants rose from 1,170 in the plan year 2023 filing to 1,273 in the plan year 2024 filing.

See the national 2023→2024 release diff →

DOL schedule card

Filing strip 251410539 · Marathon Oil Company PY 2024 · Defined Benefit (Pension)

Retirement Plan of Marathon Oil Company · $241M · 1,273 · 95th

  • PCT $241M
  • PCT 1,273
  • PCT 95th
  • PCT Defined Benefit (Pension)
  • PCT near United Pension Plan
  • PCT ind #709

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

Nevada Resort Association Iatse Local 720 Retirement PlanNevada Resort Association Ia…$242MUnited Pension Plan$241MRetirement Plan of Marathon Oil CompanyRetirement Plan of Marathon …$241MAlaska Airlines, Inc., Retirement Plan for Clerical Office & Psgr Service EmployeesAlaska Airlines, Inc., Retir…$241MThe Metropolitan Museum of Art Retirement Plan for Covered Union EmployeesThe Metropolitan Museum of A…$240M
End-of-year total assets ($M) among Retirement Plan of Marathon Oil Company and nearest nationwide Defined Benefit (Pension) peers. Source: DOL Form 5500 plan year 2024.

Scale-class filing particulars (2024)

Total Assets (Beginning of Year)$195M
Net Assets (End of Year)$240M
Net Income$46M
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 -100102030 Total assets ($B) Participants Retirement Plan of Marathon Oil Company, Total assets ($B): 0.241083746 · Participants: 1273Retirement Plan of Marathon Oil CompanyAT&T Pension Benefit Plan, Total assets ($B): 28.265893 · Participants: 100400AT&T Pension Benefit PlanExxonmobil Pension Plan, Total assets ($B): 12.095 · Participants: 22000Exxonmobil Pension PlanChevron Retirement Plan, Total assets ($B): 9.731784707 · Participants: 21297Chevron Retirement PlanShell Pension Plan, Total assets ($B): 9.694184685 · Participants: 12688Shell Pension PlanCaterpillar Inc. Retirement Income Plan, Total assets ($B): 9.1940497 · Participants: 11498Caterpillar Inc. Retirement Income 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 United Pension Plan in IA ($241M); by covered participants it is Nv Energy Retirement Plan in NV (1,271 participants). Same-state nearby plans are listed separately above.

Similar participant headcount

Nearest other-state filings by covered participants (1,273 participants); asset peers above are excluded.

DOL Form 5500 plan year 2024. 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 2024? ▼
Retirement Plan of Marathon Oil Company grew sharply - up 23.7% during 2024, from $195M to $241M. Reported net income was $46M.
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 123,622 plans that reported assets for plan year 2024 (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 United Pension Plan in IA ($241M, 636 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 Nv Energy Retirement Plan in NV (1,271 participants, $788M in assets).

Source: U.S. Department of Labor, Employee Benefits Security Administration (EBSA), Form 5500 public disclosure dataset. Plan year 2024.

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.