PlanOptica
Pricing
Sign inSign up free
  1. Companies/
  2. AMEREN CORPORATION
Sponsor portfolio

AMEREN CORPORATION

EIN 43-1723446-utilities-Latest filing 2024
Plans
5
Retirement
2
$8.01B assets
Welfare
3
$14.3M premiums
Participants
62,660
PO BOX 66149, MC 533 - ST. LOUIS, MO 631666149314-651-7588ameren.comLinkedIn5001-10000 employeesutilities
Plans on this EIN
5 filings
#005CashBalance-$4.80B - 23,302 part#003ESOP-$3.21B - 11,661 part#511Mixed-$8.9M - 7,606 lives#503Mixed-$5.4M - 9,104 lives#510Self Funded-0 lives

Retirement portfolio analytics

2 plans aggregated / $8.01B assets / 34,963 participants

Assets by plan

Share of aggregate retirement assets

60%top
  • AMEREN RETIREMENT PLAN (#005)60%
  • SAVINGS INVESTMENT PLAN (#003)40%
Total $8.01BClick slice to drill in

Participants by plan

Active + retired + deferred vested

  • AMEREN RETIREMENT PLAN (#005)23,302
  • SAVINGS INVESTMENT PLAN (#003)11,661
Total 34,963Click row to drill in

Benefits portfolio analytics

3 plans / $14.3M premiums / 16,710 covered lives

Coverage by line

Premium dollars by benefit type (bundled lines overlap)

  • Life$14.3M
  • Other$13K
Total $14.3M2 rows

Carrier market share

Premium dollars by Schedule A carrier

Multi-vendor
100%top
  • PRUDENTIAL INSURANCE COMPANY OF AMERICA100%
  • ZURICH AMERICAN INSURANCE COMPANY0%
Total $14.3M2 slices

Broker market share

Schedule A broker compensation

Split broker
99%top
  • WILLIS TOWERS WATSON US LLC99%
  • MERCER HEALTH AND BENEFITS, LLC1%
Total $246K2 slices

Plan deep-dives

Per-plan teasers. The full analytics (fees vs peers, audit grade, trajectory, counterparties) live on each plan detail page.
Retirement#005

AMEREN RETIREMENT PLAN

CashBalance

Assets$4.80B
Participants23,302
Inside the deep dive
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan deep dive
Retirement#003

AMEREN CORPORATION SAVINGS INVESTMENT PLAN

ESOP

Assets$3.21B
Participants11,661
Inside the deep dive
Fees vs peersAudit gradeAsset trajectoryContributionsSch C providers
Open plan deep dive
Welfare#511

AMEREN RETIREE WELFARE BENEFIT PLAN

Mixed - PRUDENTIAL INSURANCE COMPANY OF AMERICA

Premiums$8.9M
Covered lives7,606
Inside the deep dive
Premium breakdownCarriersBrokersCoverage stats
Open plan deep dive
Welfare#503

AMEREN MISCELLANEOUS WELFARE AND FRINGE BENEFIT PLAN

Mixed - PRUDENTIAL INSURANCE COMPANY OF AMERICA

Premiums$5.4M
Covered lives9,104
Inside the deep dive
Premium breakdownCarriersBrokersCoverage stats
Open plan deep dive
Welfare#510

AMEREN EMPLOYEE MEDICAL PLAN

Self Funded

Premiums$0
Covered lives0
Inside the deep dive
Premium breakdownCarriersBrokersCoverage stats
Open plan deep dive

Retirement plans2

Plan #NameTypeAssetsParticipantsLatest year
005AMEREN RETIREMENT PLANCashBalance$4.80B23,3022024
003AMEREN CORPORATION SAVINGS INVESTMENT PLANESOP$3.21B11,6612024

Welfare plans3

Plan #NameFundingCarrierPremiumsCoveredLatest year
511AMEREN RETIREE WELFARE BENEFIT PLANMixedPRUDENTIAL INSURANCE COMPANY OF AMERICA$8.9M7,6062024
503AMEREN MISCELLANEOUS WELFARE AND FRINGE BENEFIT PLANMixedPRUDENTIAL INSURANCE COMPANY OF AMERICA$5.4M9,1042024
510AMEREN EMPLOYEE MEDICAL PLANSelf Funded-$002024
Retirement plans
Welfare plans
PlanOptica

Plan research for advisors and brokers. Every retirement and welfare filing, peer-ranked and a decade deep, sourced to the line.

Product
  • Retirement plans
  • Welfare plans
  • Providers
  • Pricing
Data
  • Downloads hub
  • Retirement plans CSV
  • Welfare plans CSV
  • Custom analytics
Resources
  • Free ERISA search
  • Documentation
  • Filter catalog
  • Glossary
Company
  • About
  • Contact
  • Privacy
  • Terms
© 2026 PlanOptica