Gatx Corporation

Chicago, IL Holding companiesNAICS 551112

Self-funded health planPlan year 2025Renews January
723Participants+8% vs. prior year
$1.7MEst. pharmacy spend / yrParticipants × national avg.
Jan 2027Next renewalPlan year begins January 1
#9 of 12Holding companies in ILBy participants

Overview

Gatx Corporation sponsors a self-funded health plan that covered 723 participants in plan year 2025, up 8% from 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
723 · prior year 667
Plan year
Begins January 1 · next renewal January 2027
Health plans filed
Gatx Corporation Health and Welfare Benefits Plan, plan 503 (723 participants); Gatx Corporation Retiree Health and Welfare Benefits Plan, plan 510 (222 participants)
Stop-loss carrier
Blue Cross Blue Shield of Illinois; Blue Cross Blue Shield of Illinois
Broker compensation
$39K across insured contracts
MedicalLife insuranceDentalVisionShort-term disabilityLong-term disabilitySeveranceDeath benefitsOther welfare benefits

Insurance carriers

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

CarrierCoverageCoveredPremiumBroker comp
Blue Cross Blue Shield of IllinoisMedical, PPO, Stop-loss1,701$9.7M$33K
Metropolitan Life Insurance CompanyLife, Long-term disability1,376$1.5M$62
Eyemed Vision CareVision1,603$104K$5K
Aetna Life Insurance Co.PPO144$50K—
Life Insurance Company of North AmericaLife725$3K$687

Pharmacy benefit estimate

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

$1.7M/ year

Estimated prescription spend: 723 participants × $2,371 national average per member. Usually higher once dependents are counted.

$45K–$110K/ year

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

Brands with a generic available$13K–$33K
Lower-cost therapeutic alternatives$19K–$40K
Generic pricing vs. actual cost$8K–$25K
PBM contract terms$4K–$13K
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
Gatx Corporation
Sponsor EIN
36-1124040
Plan numbers
503, 510
Filed with
U.S. Department of Labor (EBSA) via EFAST2

Verify this filing: search EIN 36-1124040 in the Department of Labor's EFAST2 Form 5500 search.

Retirement plan

Plan
Gatx Corporation Noncontributory Pension Plan for Salaried Employees
Type
Pension plan
Participants
2,007

About this data

Source: Gatx Corporation'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 Gatx Corporation.

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