Alnylam Pharmaceuticals, Inc.
Overview
Alnylam Pharmaceuticals, Inc. sponsors a self-funded health plan that covered 1,833 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
- 1,833 · prior year 1,780
- Plan year
- Begins January 1 · next renewal January 2027
- Health plans filed
- Alnylam Pharmaceuticals, Inc. Consolidated Welfare Benefits Plan, plan 501 (1,833 participants)
- Broker compensation
- $151K across insured contracts
Insurance carriers
Insured coverage reported on Schedule A. Self-funded medical claims aren't reported there.
| Carrier | Coverage | Covered | Premium | Broker comp |
|---|---|---|---|---|
| Prudential Insurance Company of America | Life, Long-term disability | 1,821 | $1.3M | $81K |
| Eyemed Vision Care on Behalf of Fidelity Security Life Insurance Co. | Vision | 4,038 | $358K | $47K |
| National Union Fire Ins. Co. of Pittsburgh, PA | Business Travel Accident | 1,780 | $94K | $24K |
| Curalinc | Employee Assistance Program | 1,100 | $20K | — |
Pharmacy benefit estimate
StreamRX estimate for a plan this size. Not based on this plan's claims.
Estimated prescription spend: 1,833 participants × $2,371 national average per member. Usually higher once dependents are counted.
Typical savings opportunity found in independent reviews of plans this size.
Form 5500 filing details
- Filing
- Form 5500 with Schedule A, plan year 2025
- Plan sponsor
- Alnylam Pharmaceuticals, Inc.
- Sponsor EIN
- 04-3696884
- Plan number
- 501
- Filed with
- U.S. Department of Labor (EBSA) via EFAST2
Verify this filing: search EIN 04-3696884 in the Department of Labor's EFAST2 Form 5500 search.
Retirement plan
- Plan
- Alnylam Pharmaceuticals, Inc. Savings & Investment Plan
- Type
- 401(k) plan
- Participants
- 2,624
About this data
Source: Alnylam Pharmaceuticals, 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 Alnylam Pharmaceuticals, Inc..