Defined Benefit (Pension) · DOL Form 5500 · 2024
Marathon Petroleum Company LP Pension Plan
Data updated 2026-08-25
- $2.2B
- Total assets Very large vs avg
- 17,916
- Participants Very large workforce
- 99th
- Percentile by assets National rank
- $123,154
- Avg per participant Near avg balance/head
Official DOL plan name: Marathon Petroleum Retirement Plan · Sponsored by Marathon Petroleum Company LP · Ohio · Manufacturing
$2.2B in assets, 17,916 participants
Marathon Petroleum Company LP's Marathon Petroleum Retirement Plan reported $2.2B in total assets and 17,916 participants in its 2024 DOL Form 5500 filing, ranking in the 99th 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.
- #17,550 in Manufacturing (17,777 peers)
Coverage in Ohio
Marathon Petroleum Retirement Plan covers 17,916 participants in Ohio, 23x the typical Ohio plan (state average ~765 per filing). Assets: $2.2B.
- #17,550
- in Manufacturing (17,777 peers)
- +7.1%
- assets growth YoY
- 22×
- vs typical plan assets (national mean)
Marathon Petroleum Retirement Plan's outsized position by total assets
Marathon Petroleum Retirement Plan vs every filed plan by assets
End-of-year total assets · plan year 2024 · DOL Form 5500
$2,206,434,472 Top 1% higher than 99% of 123,620 filed plans
Dashed line + filled bar = this entry, among filed plans.
Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2024
Marathon Petroleum Retirement Plan's mega-plan peer group by participant headcount
Plan-year 2024 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Marathon Petroleum Retirement Plan is a mega filing (17,916 participants), the rightmost band on the breakdown.
What changed between DOL Form 5500 filings
plan year 2023 → plan year 2024
- Marathon Petroleum Retirement Plan reported net income rose from $102M in the plan year 2023 filing to $147M in the plan year 2024 filing.
- Marathon Petroleum Retirement Plan end-of-year assets rose from $2.1B in the plan year 2023 filing to $2.2B in the plan year 2024 filing.
- Marathon Petroleum Retirement Plan reported participants rose from 17,542 in the plan year 2023 filing to 17,916 in the plan year 2024 filing.
Plan-year Form 5500 strip
Filing strip 311537655 · Marathon Petroleum Company LP PY 2024 · Defined Benefit (Pension)
Marathon Petroleum Retirement Plan · $2.2B · 17,916 · 99th
- SCH $2.2B
- EBSA 17,916
- PART 99th
- TYPE Defined Benefit (Pension)
- NET near Phillips 66 Retirement Plan
- BOOK ind #17550
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 Manufacturing retirement plans → · Plans in Ohio →
Marathon Petroleum Retirement Plan in the asset neighbourhood
Ohio filing particulars
| Total Assets (Beginning of Year) | $2.1B |
|---|---|
| Net Assets (End of Year) | $2.2B |
| Net Income | $147M |
| Employer EIN | 311537655 |
| Plan Effective Date | 1998-04-01 |
| Filing Status | FILING RECEIVED |
Sponsor Plan History (Marathon Petroleum Company LP)
Sponsor-wide plan assets over time
All Marathon Petroleum Company LP plans reported in each filing year
- Latest sponsor-wide plan assets
- $10.7B 25.710409990260658% vs 2022
- 2024 filing year
| Year | Plans | Participants | Total Assets |
|---|---|---|---|
| 2022 | 3 | 35,136 | $8.5B |
| 2023 | 3 | 35,428 | $9.7B |
| 2024 | 3 | 36,178 | $10.7B |
Nearby Defined Benefit (Pension) Plans in Ohio
Peer Defined Benefit (Pension) plans, same state, same plan type, ranked by total assets.
- GE Aerospace Pension Plan $19.0B · 9,637
- Firstenergy Corp. Master Pension Plan $6.5B · 12,187
- American Electric Power System Retirement Plan $4.1B · 16,073
- Ohio Operating Engineers Pension Plan $3.9B · 10,387
- Parker Defined Benefit Pension Plan $3.5B · 8,120
Scale composition for Marathon Petroleum Retirement Plan
Marathon Petroleum Retirement Plan reports $2.2B in end-of-year assets across 17,916 participants (0.018% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.019% of 93,925,755 covered participants) - about $123,154 per participant (89% of the national average assets-per-participant) . Net income for plan year 2024 was $147M.
This plan identity (EIN 311537655, plan #001) has 3 Form 5500 filings on file from 2022 to 2024 , with end-of-year assets moving from $2.0B to $2.2B (+12.7%) while covered participants moved from 17,390 to 17,916 . Single-year sparse filers cannot show that trail.
| Plan year | Participants | EOY assets | Filing |
|---|---|---|---|
| 2022 | 17,390 | $2.0B | Open filing |
| 2023 | 17,542 | $2.1B | Open filing |
| 2024 · index core | 17,916 | $2.2B | This page |
The same sponsor also keeps 2 other index-core plans on PlainRetire:
- Marathon Petroleum Thrift Plan (401(k), $8.3B, 18,199 participants)
- Speedway Retirement Plan (Defined Benefit (Pension), $124M, 63 participants)
Marathon Petroleum Retirement Plan's out-of-state Defined Benefit (Pension) peers by assets and headcount
Outside Ohio, the nearest Defined Benefit (Pension) by assets is Phillips 66 Retirement Plan in TX ($2.2B); by covered participants it is Abbott Laboratories Annuity Retirement Plan in IL (17,875 participants). Same-state nearby plans are listed separately above.
Closest by plan assets
Nearest other-state filings by tot_assets_eoy ($2.2B here).
- Phillips 66 Retirement Plan (TX) $2.2B · 11,709
- The Keyspan Retirement Plan (NY) $2.2B · 2,580
- Transamerica Pension Plan (IA) $2.2B · 7,170
- The National Football League Club Employees Pension Plan (MD) $2.2B · 4,720
Similar participant headcount
Nearest other-state filings by covered participants (17,916 participants); asset peers above are excluded.
- Abbott Laboratories Annuity Retirement Plan (IL) 17,875 · 41 off
- Lockheed Martin Corporation Salaried Employee Retirement Program (MD) 18,014 · 98 off
- Liuna National (Industrial) Pension Fund (DC) 18,228 · 312 off
- The Legacy Plan of the Unite Here Retirement Fund (NY) 18,598 · 682 off
DOL Form 5500 plan year 2024. Asset totals can differ widely at the same headcount; neither axis is a quality rating.