Defined Benefit (Pension) · DOL Form 5500 · 2022
Marathon Petroleum Company LP Pension Plan
Data updated 2026-08-25
- $2.0B
- Total assets Very large vs avg
- 17,390
- Participants Very large workforce
- 99th
- Percentile by assets National rank
- $112,571
- Avg per participant Below avg balance/head
Official DOL plan name: Marathon Petroleum Retirement Plan · Sponsored by Marathon Petroleum Company LP · Ohio · Manufacturing
$2.0B in assets, 17,390 participants
Marathon Petroleum Company LP's Marathon Petroleum Retirement Plan reported $2.0B in total assets and 17,390 participants in its 2022 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.
- #20,377 in Manufacturing (20,602 peers)
Coverage in Ohio
Marathon Petroleum Retirement Plan covers 17,390 participants in Ohio, 23x the typical Ohio plan (state average ~765 per filing). Assets: $2.0B.
- #20,377
- in Manufacturing (20,602 peers)
- -32.1%
- assets change YoY
- 20×
- vs typical plan assets (national mean)
The plan reported a net loss of $924M for the year, a single-year figure driven by markets and benefit payments, not a measure of plan health.
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 2022 · DOL Form 5500
$1,957,604,101 Top 1% higher than 99% of 139,123 filed plans
Dashed line + filled bar = this entry, among filed plans.
Source U.S. Department of Labor Form 5500 filings (EBSA) · plan year 2022
Marathon Petroleum Retirement Plan's mega-plan peer group by participant headcount
Plan-year 2022 Form 5500 filings with a reported participant count, partitioned by headcount band, not by assets. Marathon Petroleum Retirement Plan is a mega filing (17,390 participants), the rightmost band on the breakdown.
EBSA filing schedule strip
Filing strip 311537655 · Marathon Petroleum Company LP PY 2022 · Defined Benefit (Pension)
Marathon Petroleum Retirement Plan · $2.0B · 17,390 · 99th
- SCH $2.0B
- SCH 17,390
- SCH 99th
- SCH Defined Benefit (Pension)
- SCH near Hess Corporation Employees' Pension Plan
- SCH ind #20377
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) | $2.9B |
|---|---|
| Net Assets (End of Year) | $2.0B |
| Net Income | -$924M |
| 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.
- Firstenergy Corp. Master Pension Plan $7.6B · 12,346
- Nationwide Retirement Plan $5.0B · 22,597
- American Electric Power System Retirement Plan $4.5B · 15,837
- Ohio Operating Engineers Pension Plan $3.4B · 9,749
- Laborers District Council & Contractors Pension Fund of Ohio $2.6B · 13,583
Scale composition for Marathon Petroleum Retirement Plan
Marathon Petroleum Retirement Plan reports $2.0B in end-of-year assets across 17,390 participants (0.016% of the $12.3T held by all Form 5500 filers in the national rollup , and 0.019% of 93,925,755 covered participants) - about $112,571 per participant (81% of the national average assets-per-participant) . Net income for plan year 2022 was -$924M.
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 | This page |
| 2023 | 17,542 | $2.1B | Open filing |
| 2024 · index core | 17,916 | $2.2B | Open filing |
The same sponsor also keeps 3 other index-core plans on PlainRetire:
- Marathon Petroleum Thrift Plan (401(k), $8.3B, 18,199 participants)
- Marathon Petroleum Retirement Plan (Defined Benefit (Pension), $2.2B, 17,916 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 Hess Corporation Employees' Pension Plan in TX ($2.0B); by covered participants it is N. Atlantic States Carp. Pension Fund in MA (17,323 participants). Same-state nearby plans are listed separately above.
Closest by plan assets
Nearest other-state filings by tot_assets_eoy ($2.0B here).
- Hess Corporation Employees' Pension Plan (TX) $2.0B · 1,318
- John Hancock Pension Plan (MA) $2.0B · 5,222
- Twin City Hospitals - Minnesota Nurses Association Pension Plan (MN) $1.9B · 15,406
- Cna Retirement Plan (IL) $1.9B · 512
Similar participant headcount
Nearest other-state filings by covered participants (17,390 participants); asset peers above are excluded.
- N. Atlantic States Carp. Pension Fund (MA) 17,323 · 67 off
- The Prudential Merged Retirement Plan (NJ) 17,538 · 148 off
- Pension, Hospitalization & Benefit Plan of the Electrical Industry - Pension Trust Acct (NY) 17,040 · 350 off
- Aftra Retirement Plan (NY) 17,771 · 381 off
DOL Form 5500 plan year 2022. Asset totals can differ widely at the same headcount; neither axis is a quality rating.