American Tower Corporation

Boston, MA Real estateNAICS 531190

Self-funded health planPlan year 2025Renews January
2,399Participants+3% vs. prior year
$5.7MEst. pharmacy spend / yrParticipants × national avg.
Jan 2027Next renewalPlan year begins January 1
#1 of 3Real estate in MABy participants

Overview

American Tower Corporation sponsors a self-funded health plan that covered 2,399 participants in plan year 2025, up 3% 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
2,399 · prior year 2,329
Plan year
Begins January 1 · next renewal January 2027
Health plans filed
American Tower Corporation Benefits Plan, plan 501 (2,399 participants)
Stop-loss carrier
Sun Life Assurance Company of Canada
Broker compensation
$809K 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
Sun Life Assurance Company of CanadaStop-loss5,382$4.7M$616K
Unum Life Insurance Company of AmericaLife, Long-term disability2,399$1.8M$62K
Unum Insurance CompanyGRP Accident, Attained Age Critical Illness, Voluntary Hospital Indemnity797$536K$87K
Vision Service PlanVision1,803$425K$6K
Ace American Insurance CompanyAccidental Death and Dismemberment2,399$44K$7K

Pharmacy benefit estimate

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

$5.7M/ year

Estimated prescription spend: 2,399 participants × $2,371 national average per member. Usually higher once dependents are counted.

$148K–$365K/ year

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

Brands with a generic available$43K–$108K
Lower-cost therapeutic alternatives$63K–$132K
Generic pricing vs. actual cost$27K–$82K
PBM contract terms$14K–$43K
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
American Tower Corporation
Sponsor EIN
65-0723837
Plan number
501
Filed with
U.S. Department of Labor (EBSA) via EFAST2

Verify this filing: search EIN 65-0723837 in the Department of Labor's EFAST2 Form 5500 search.

Retirement plan

Plan
American Tower Retirement Savings Plan
Type
401(k) plan
Participants
3,510

About this data

Source: American Tower 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 American Tower Corporation.

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