Zenith Insurance Company

Woodland Hills, CA Finance & insuranceNAICS 524150

Self-funded health planPlan year 2025Renews January
717Participants-4% vs. prior year
$1.7MEst. pharmacy spend / yrParticipants × national avg.
Jan 2027Next renewalPlan year begins January 1
#17 of 22Finance & insurance in CABy participants

Overview

Zenith Insurance Company sponsors a self-funded health plan that covered 717 participants in plan year 2025, down 4% from the prior year. The plan year starts in January.

Plan type
ERISA welfare benefit plan, self-funded (benefits paid from employer assets or a trust)
Participants
717 · prior year 743
Plan year
Begins January 1 · next renewal January 2027
Health plans filed
Zenith Insurance Company Flexible Benefits Account Plan, plan 520 (717 participants)
Medical

Pharmacy benefit estimate

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

$1.7M/ year

Estimated prescription spend: 717 participants × $2,371 national average per member. Usually higher once dependents are counted.

$44K–$109K/ year

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

Brands with a generic available$13K–$32K
Lower-cost therapeutic alternatives$19K–$39K
Generic pricing vs. actual cost$8K–$24K
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
Zenith Insurance Company
Sponsor EIN
95-1651549
Plan number
520
Filed with
U.S. Department of Labor (EBSA) via EFAST2

Verify this filing: search EIN 95-1651549 in the Department of Labor's EFAST2 Form 5500 search.

Retirement plan

Plan
Zenith 401(k) Plan
Type
401(k) plan
Participants
1,932

About this data

Source: Zenith Insurance Company'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 Zenith Insurance Company.

Request a correction · Methodology