Marathon Petroleum Company LP

Findlay, OH ManufacturingNAICS 324110

Self-funded health planPlan year 2025Renews JanuaryCollectively bargained
18,550Participants+2% vs. prior year
$44.0MEst. pharmacy spend / yrParticipants × national avg.
Jan 2027Next renewalPlan year begins January 1
#4 of 147Manufacturing in OHBy participants

Overview

Marathon Petroleum Company LP sponsors a self-funded health plan that covered 18,550 participants in plan year 2025, about the same as the prior year. The plan year starts in January. Alongside medical, its benefits filing reports life insurance, dental, vision, short-term disability, and more.

Plan type
ERISA welfare benefit plan, self-funded (benefits paid from employer assets or a trust)
Participants
18,550 · prior year 18,276
Plan year
Begins January 1 · next renewal January 2027
Health plans filed
Marathon Petroleum Employee Assistance Program, plan 554 (18,550 participants); Marathon Petroleum Exchange Health Reimbursement Account, plan 572 (4,088 participants); Marathon Petroleum Health Care Spending Account Plan, plan 571 (2,572 participants)
Broker compensation
$623K across insured contracts
MedicalLife insuranceDentalVisionShort-term disabilityPrepaid legalLong-term disabilitySeveranceDeath benefitsOther welfare benefits

Insurance carriers

Insured coverage reported on Schedule A. Self-funded medical claims aren't reported there.

CarrierCoverageCoveredPremiumBroker comp
Metropolitan Life Insurance CompanyLife, Accidental Death & Dismemberment46,854$18.8M$468K
Kaiser Foundation Health Plan, Inc.Medical, HMO804$18.4M—
Lincoln National CorporationLong-term disability18,141$6.2M$34K
MetLife Legal PlansPrepaid Legal5,337$1.0M$122K
Delta Dental of OhioVision775$38K—

Pharmacy benefit estimate

StreamRX estimate for a plan this size. Not based on this plan's claims.

$44.0M/ year

Estimated prescription spend: 18,550 participants × $2,371 national average per member. Usually higher once dependents are counted.

$1.1M–$2.8M/ year

Typical savings opportunity found in independent reviews of plans this size.

Brands with a generic available$334K–$836K
Lower-cost therapeutic alternatives$488K–$1.0M
Generic pricing vs. actual cost$211K–$633K
PBM contract terms$110K–$330K
The DOL's PBM fee disclosure rule first applies to this plan for the plan year beginning January 2028: semiannual PBM compensation reports and an annual audit right.

Form 5500 filing details

Filing
Form 5500 with Schedule A, plan year 2025
Plan sponsor
Marathon Petroleum Company LP
Sponsor EIN
31-1537655
Plan numbers
554, 572, 571
Filed with
U.S. Department of Labor (EBSA) via EFAST2

Verify this filing: search EIN 31-1537655 in the Department of Labor's EFAST2 Form 5500 search.

Retirement plan

Plan
Marathon Petroleum Thrift Plan
Type
401(k) plan
Participants
28,057

About this data

Source: Marathon Petroleum Company LP's Form 5500 filing for plan year 2025 and its Schedule A insurance reports, published by the U.S. Department of Labor. "Self-funded" means the filing reports benefits paid from employer assets or a trust, with no medical insurance contract or with a stop-loss contract. Pharmacy figures are StreamRX estimates based on national averages. StreamRX is not affiliated with Marathon Petroleum Company LP.

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