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  1. Companies/
  2. Marathon Petroleum Company LP
  • Retirement analytics
  • Benefits analytics
  • Plan summaries
  • Retirement plans
  • Health & Benefits plans

Filings through Oct 24, 2026.

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Marathon Petroleum Company LP

EIN 31-1537655-oil & energy-Latest filing 2025
Plans
22
Retirement
3
$12.23B assets
Health & Benefits
19
$44.5M premiums
Participants
250,154
539 SOUTH MAIN STREET - FINDLAY, OH 45840419-422-2121mplx.comLinkedIn10001+ employeesoil & energy
Plans on this EIN
22 filings
#010401(k)-$9.57B - 27,636 part#001Cash balance-$2.55B - 23,888 part#007Cash balance-$120.9M - 4,007 part#555Fully insured-$17.6M - 804 lives#558Fully insured-$17.1M - 46,854 lives#559Fully insured-$6.2M - 18,141 lives#550Fully insured-$1.3M - 43,899 lives#574Fully insured-$1.0M - 5,337 lives#561Fully insured-$838K - 29 lives#560Fully insured-$444K - 18,463 lives#565Fully insured-$39K - 775 lives#518Unknown-0 lives#519Fully insured-50 lives#522Self-funded-0 lives#551Self-funded-0 lives#553Self-funded-0 lives#554Self-funded-0 lives#562Self-funded-0 lives#563Self-funded-0 lives#564Self-funded-0 lives#571Self-funded-0 lives#572Self-funded-0 lives+16 more plans

Health & Benefits portfolio - carriers, brokers and premium across this company's 19 health and benefits plans.

Retirement portfolio analytics

3 plans aggregated / $12.23B assets / 55,531 participants

Assets by plan

Share of aggregate retirement assets

  • PETROLEUM THRIFT PLAN (#010)$9.57B
  • PETROLEUM RETIREMENT PLAN (#001)$2.55B
  • SPEEDWAY RETIREMENT PLAN (#007)$120.9M
Total $12.23BSelect a row to open it

Participants by plan

Active + retired + deferred vested

  • PETROLEUM THRIFT PLAN (#010)27,636
  • PETROLEUM RETIREMENT PLAN (#001)23,888
  • SPEEDWAY RETIREMENT PLAN (#007)4,007
Total 55,531Select a row to open it

Benefits portfolio analytics

19 plans / $44.5M premiums / 134,352 covered lives

Coverage by line

Premium dollars by benefit type (bundled lines overlap)

  • Health$18.4M
  • Life$17.5M
  • Long-term disability$6.2M
  • Other$2.8M
  • Vision$39K
Total $44.5M5 rows
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Plan summaries

Each card links to its plan page. The plan page shows fees vs peers, audit grade, history and counterparties.

Retirement#010

MARATHON PETROLEUM THRIFT PLAN

401(k)

Assets$9.57B
Participants27,636
On the plan page
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan
Retirement#001

MARATHON PETROLEUM RETIREMENT PLAN

Cash balance

Assets$2.55B
Participants23,888
On the plan page
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan
Retirement#007

SPEEDWAY RETIREMENT PLAN

Cash balance

Assets$120.9M
Participants4,007
On the plan page
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan
Health & Benefits#555

MARATHON PETROLEUM HEALTH PLAN

Fully insured - KAISER FOUNDATION HEALTH PLAN, INC.

Premiums$17.6M
Covered lives804
On the plan page
Premium breakdownCarriersBrokersCoverage stats
Open plan
Health & Benefits#558

MARATHON PETROLEUM LIFE INSURANCE PLAN

Fully insured - METROPOLITAN LIFE INSURANCE COMPANY

Premiums$17.1M
Covered lives46,854
On the plan page
Premium breakdownCarriersBrokersCoverage stats
Open plan
Health & Benefits#559

MARATHON PETROLEUM LONG TERM DISABILITY PLAN

Fully insured - LINCOLN NATIONAL CORPORATION

Premiums$6.2M
Covered lives18,141
On the plan page
Premium breakdownCarriersBrokersCoverage stats
Open plan
Health & Benefits#550

MARATHON PETROLEUM ACCIDENTAL DEATH & DISMEMBERMENT INSURANCE PLAN

Fully insured - METROPOLITAN LIFE INSURANCE COMPANY

Premiums$1.3M
Covered lives43,899
On the plan page
Premium breakdownCarriersBrokersCoverage stats
Open plan
Health & Benefits#574

MARATHON PETROLEUM METLIFE LEGAL PLAN

Fully insured - METLIFE LEGAL PLANS

Premiums$1.0M
Covered lives5,337
On the plan page
Premium breakdownCarriersBrokersCoverage stats
Open plan
Health & Benefits#561

MARATHON PETROLEUM RETIREE HEALTH PLAN

Fully insured - KAISER FOUNDATION HEALTH PLAN, INC.

Premiums$838K
Covered lives29
On the plan page
Premium breakdownCarriersBrokersCoverage stats
Open plan
Health & Benefits#560

MARATHON PETROLEUM OCCUPATIONAL ACCIDENTAL DEATH BENEFIT PLAN

Fully insured - METROPOLITAN LIFE INSURANCE COMPANY

Premiums$444K
Covered lives18,463
On the plan page
Premium breakdownCarriersBrokersCoverage stats
Open plan
Health & Benefits#565

MARATHON PETROLEUM VISION PLAN

Fully insured - DELTA DENTAL OF OHIO

Premiums$39K
Covered lives775
On the plan page
Premium breakdownCarriersBrokersCoverage stats
Open plan
Health & Benefits#518

MARATHON PETROLEUM SURVIVING SPOUSE DEATH BENEFIT PLAN

Unknown

Premiums$0
Covered lives0
On the plan page
Premium breakdownCarriersBrokersCoverage stats
Open plan
Health & Benefits#519

MARATHON PETROLEUM CATLETTSBURG AND CANTON LIFE INSURANCE PLAN

Fully insured - METROPOLITAN LIFE

Premiums$0
Covered lives50
On the plan page
Premium breakdownCarriersBrokersCoverage stats
Open plan
Health & Benefits#522

MARATHON PETROLEUM SHORT TERM DISABILITY PLAN FOR SPECIFIED EMPLOYEES

Self-funded

Premiums$0
Covered lives0
On the plan page
Premium breakdownCarriersBrokersCoverage stats
Open plan
Health & Benefits#551

MARATHON PETROLEUM CHANGE IN CONTROL SEVERANCE BENEFITS PLAN

Self-funded

Premiums$0
Covered lives0
On the plan page
Premium breakdownCarriersBrokersCoverage stats
Open plan
Health & Benefits#553

MARATHON PETROLEUM DENTAL PLAN

Self-funded

Premiums$0
Covered lives0
On the plan page
Premium breakdownCarriersBrokersCoverage stats
Open plan
Health & Benefits#554

MARATHON PETROLEUM EMPLOYEE ASSISTANCE PROGRAM

Self-funded

Premiums$0
Covered lives0
On the plan page
Premium breakdownCarriersBrokersCoverage stats
Open plan
Health & Benefits#562

MARATHON PETROLEUM PRE-65 RETIREE DENTAL PLAN

Self-funded

Premiums$0
Covered lives0
On the plan page
Premium breakdownCarriersBrokersCoverage stats
Open plan
Health & Benefits#563

MARATHON PETROLEUM PRE-65 RETIREE VISION PLAN

Self-funded

Premiums$0
Covered lives0
On the plan page
Premium breakdownCarriersBrokersCoverage stats
Open plan
Health & Benefits#564

MARATHON PETROLEUM TERMINATION ALLOWANCE PLAN

Self-funded

Premiums$0
Covered lives0
On the plan page
Premium breakdownCarriersBrokersCoverage stats
Open plan
Health & Benefits#571

MARATHON PETROLEUM HEALTH CARE SPENDING ACCOUNT PLAN

Self-funded

Premiums$0
Covered lives0
On the plan page
Premium breakdownCarriersBrokersCoverage stats
Open plan
Health & Benefits#572

MARATHON PETROLEUM EXCHANGE HEALTH REIMBURSEMENT ACCOUNT

Self-funded

Premiums$0
Covered lives0
On the plan page
Premium breakdownCarriersBrokersCoverage stats
Open plan

Retirement plans

3 plans on this EIN

PlanNameTypeAssetsParticipantsLatest year
#010MARATHON PETROLEUM THRIFT PLAN401(k)$9.57B27,6362025
#001MARATHON PETROLEUM RETIREMENT PLANCash balance$2.55B23,8882025
#007SPEEDWAY RETIREMENT PLANCash balance$120.9M4,0072025
  • MARATHON PETROLEUM THRIFT PLAN$9.57B
    #010 · 401(k) · 202527,636
  • MARATHON PETROLEUM RETIREMENT PLAN$2.55B
    #001 · Cash balance · 202523,888
  • SPEEDWAY RETIREMENT PLAN$120.9M
    #007 · Cash balance · 20254,007

Health & Benefits plans

19 plans on this EIN

PlanNameFundingCarrierPremiumsCoveredLatest year
#555MARATHON PETROLEUM HEALTH PLANFully insuredKAISER FOUNDATION HEALTH PLAN, INC.$17.6M8042025
#558MARATHON PETROLEUM LIFE INSURANCE PLANFully insuredMETROPOLITAN LIFE INSURANCE COMPANY$17.1M46,8542025
#559MARATHON PETROLEUM LONG TERM DISABILITY PLANFully insuredLINCOLN NATIONAL CORPORATION$6.2M18,1412025
#550MARATHON PETROLEUM ACCIDENTAL DEATH & DISMEMBERMENT INSURANCE PLANFully insuredMETROPOLITAN LIFE INSURANCE COMPANY$1.3M43,8992025
#574MARATHON PETROLEUM METLIFE LEGAL PLANFully insuredMETLIFE LEGAL PLANS$1.0M5,3372025
#561MARATHON PETROLEUM RETIREE HEALTH PLANFully insuredKAISER FOUNDATION HEALTH PLAN, INC.$838K292025
#560MARATHON PETROLEUM OCCUPATIONAL ACCIDENTAL DEATH BENEFIT PLANFully insuredMETROPOLITAN LIFE INSURANCE COMPANY$444K18,4632025
#565MARATHON PETROLEUM VISION PLANFully insuredDELTA DENTAL OF OHIO$39K7752025
#518MARATHON PETROLEUM SURVIVING SPOUSE DEATH BENEFIT PLANUnknown-$002025
#519MARATHON PETROLEUM CATLETTSBURG AND CANTON LIFE INSURANCE PLANFully insuredMETROPOLITAN LIFE$0502024
#522MARATHON PETROLEUM SHORT TERM DISABILITY PLAN FOR SPECIFIED EMPLOYEESSelf-funded-$002025
#551MARATHON PETROLEUM CHANGE IN CONTROL SEVERANCE BENEFITS PLANSelf-funded-$002025
#553MARATHON PETROLEUM DENTAL PLANSelf-funded-$002025
#554MARATHON PETROLEUM EMPLOYEE ASSISTANCE PROGRAMSelf-funded-$002025
#562MARATHON PETROLEUM PRE-65 RETIREE DENTAL PLANSelf-funded-$002025
#563MARATHON PETROLEUM PRE-65 RETIREE VISION PLANSelf-funded-$002025
#564MARATHON PETROLEUM TERMINATION ALLOWANCE PLANSelf-funded-$002025
#571MARATHON PETROLEUM HEALTH CARE SPENDING ACCOUNT PLANSelf-funded-$002025
#572MARATHON PETROLEUM EXCHANGE HEALTH REIMBURSEMENT ACCOUNTSelf-funded-$002025
  • MARATHON PETROLEUM HEALTH PLAN$17.6M
    #555 · Fully insured · KAISER FOUNDATION HEALTH PLAN, INC. · 2025804
  • MARATHON PETROLEUM LIFE INSURANCE PLAN$17.1M
    #558 · Fully insured · METROPOLITAN LIFE INSURANCE COMPANY · 202546,854
  • MARATHON PETROLEUM LONG TERM DISABILITY PLAN$6.2M
    #559 · Fully insured · LINCOLN NATIONAL CORPORATION · 202518,141
  • MARATHON PETROLEUM ACCIDENTAL DEATH & DISMEMBERMENT INSURANCE PLAN$1.3M
    #550 · Fully insured · METROPOLITAN LIFE INSURANCE COMPANY · 202543,899
  • MARATHON PETROLEUM METLIFE LEGAL PLAN$1.0M
    #574 · Fully insured · METLIFE LEGAL PLANS · 20255,337
  • MARATHON PETROLEUM RETIREE HEALTH PLAN$838K
    #561 · Fully insured · KAISER FOUNDATION HEALTH PLAN, INC. · 202529
  • MARATHON PETROLEUM OCCUPATIONAL ACCIDENTAL DEATH BENEFIT PLAN$444K
    #560 · Fully insured · METROPOLITAN LIFE INSURANCE COMPANY · 202518,463
  • MARATHON PETROLEUM VISION PLAN$39K
    #565 · Fully insured · DELTA DENTAL OF OHIO · 2025775
  • MARATHON PETROLEUM SURVIVING SPOUSE DEATH BENEFIT PLAN$0
    #518 · Unknown · 20250
  • MARATHON PETROLEUM CATLETTSBURG AND CANTON LIFE INSURANCE PLAN$0
    #519 · Fully insured · METROPOLITAN LIFE · 202450
  • MARATHON PETROLEUM SHORT TERM DISABILITY PLAN FOR SPECIFIED EMPLOYEES$0
    #522 · Self-funded · 20250
  • MARATHON PETROLEUM CHANGE IN CONTROL SEVERANCE BENEFITS PLAN$0
    #551 · Self-funded · 20250
  • MARATHON PETROLEUM DENTAL PLAN$0
    #553 · Self-funded · 20250
  • MARATHON PETROLEUM EMPLOYEE ASSISTANCE PROGRAM$0
    #554 · Self-funded · 20250
  • MARATHON PETROLEUM PRE-65 RETIREE DENTAL PLAN$0
    #562 · Self-funded · 20250
  • MARATHON PETROLEUM PRE-65 RETIREE VISION PLAN$0
    #563 · Self-funded · 20250
  • MARATHON PETROLEUM TERMINATION ALLOWANCE PLAN$0
    #564 · Self-funded · 20250
  • MARATHON PETROLEUM HEALTH CARE SPENDING ACCOUNT PLAN$0
    #571 · Self-funded · 20250
  • MARATHON PETROLEUM EXCHANGE HEALTH REIMBURSEMENT ACCOUNT$0
    #572 · Self-funded · 20250
Retirement plans
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