OpenERISA

Ionis Pharmaceuticals, INC.

Carlsbad, CA, 92010

EIN 33-0336973
Plans
2
Total participants
7,934
Filing years
2024, 2023, 2022, 2021, 2020
NAICS
541700
Plan sponsors in CaliforniaProfessional, Scientific & Technical Services

Benefit plans on file

YearFormPlan #Plan nameParticipants
2024Form 5500001Ionis Pharmaceuticals 401(K) Plan1,043
2024Form 5500501Ionis Pharmaceuticals, INC. Health And Welfare Plan1,038
2023Form 5500001Ionis Pharmaceuticals 401(K) Plan897
2023Form 5500501Ionis Pharmaceuticals, INC. Health And Welfare Plan886
2022Form 5500001Ionis Pharmaceuticals 401(K) Plan760
2022Form 5500501Ionis Pharmaceuticals, INC. Health And Welfare Plan758
2021Form 5500001Ionis Pharmaceuticals 401(K) Plan609
2021Form 5500501Ionis Pharmaceuticals, INC. Health And Welfare Plan637
2020Form 5500001Ionis Pharmaceuticals 401(K) Plan571
2020Form 5500501Ionis Pharmaceuticals, INC. Health And Welfare Plan735

Data shown as filed with the U.S. Department of Labor (EBSA), filing years 2020–2025; not validated by OpenERISA. View official filings for this EIN on the DOL EFAST2 search.

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