Avidity Biosciences, Inc.

San Diego, CA Professional servicesNAICS 541700

Self-funded health planPlan year 2025Renews January
506ParticipantsFirst year on file
$1.2MEst. pharmacy spend / yrParticipants × national avg.
Jan 2027Next renewalPlan year begins January 1
#34 of 34Professional services in CABy participants

Overview

Avidity Biosciences, Inc. sponsors a self-funded health plan that covered 506 participants in plan year 2025. 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
506
Plan year
Begins January 1 · next renewal January 2027
Health plans filed
Avidity Biosciences, Inc. Health & Welfare Plan, plan 501 (506 participants)
Broker compensation
$178K across insured contracts
MedicalLife insuranceDentalVisionShort-term disabilityPrepaid legalLong-term disabilityDeath benefitsOther welfare benefits

Insurance carriers

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

CarrierCoverageCoveredPremiumBroker comp
The Guardian Life Insurance Company of AmericaVision, Life, Short-term disability, Long-term disability513$664K$117K
Cigna Health and Life Insurance Company and AffiliatesDental490$531K$57K
Modern HealthEmployee Assistance Program512$99K—
Metropolitan General Insurance CompanyLegal109$21K$3K
Zurich American Insurance CompanyBusiness Travel Accident200$7K$990

Pharmacy benefit estimate

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

$1.2M/ year

Estimated prescription spend: 506 participants × $2,371 national average per member. Usually higher once dependents are counted.

$31K–$77K/ year

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

Brands with a generic available$9K–$23K
Lower-cost therapeutic alternatives$13K–$28K
Generic pricing vs. actual cost$6K–$17K
PBM contract terms$3K–$9K
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
Avidity Biosciences, Inc.
Sponsor EIN
46-1336960
Plan number
501
Filed with
U.S. Department of Labor (EBSA) via EFAST2

Verify this filing: search EIN 46-1336960 in the Department of Labor's EFAST2 Form 5500 search.

Retirement plan

Plan
Avidity Biosciences 401(k) Plan
Type
401(k) plan
Participants
548

About this data

Source: Avidity Biosciences, Inc.'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 Avidity Biosciences, Inc..

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