Ionis — Employer Visibility Index
Ionis ranks #25 of 45 Biotechnology employers in United States on the PerceptionX Employer Visibility Index (2026-08), with an AI Visibility Score of 5.1 out of 100. Across all 1443 tracked employers in United States, Ionis ranks #612.
AI models most frequently position Ionis alongside Amgen, Vertex, and Roche when discussing Biotechnology employers.
The company shows strongest employer visibility in Innovation and Onboarding. Visibility gaps exist in Application & Communication, Candidate Feedback and Career Opportunities, where competitors tend to dominate the AI narrative.
Ionis's Visibility Score has risen from 4.8 to 5.1 across its last 3 measurements (since January 2026), slipping 5 places in the Biotechnology rankings. Over that period it has moved ahead of Novo Nordisk. Alnylam and Thermo Fisher Scientific have moved ahead of it. It now trails Guardant Health by 2.6 points.
This analysis is based on AI-generated responses from ChatGPT, Google Gemini, and Perplexity. Data is refreshed regularly to reflect changes in AI employer perception.
Theme rankings (Biotechnology, United States)
| Theme | Rank | Score |
|---|---|---|
| Innovation | #15 | 33.3 |
| Onboarding | #17 | 33.3 |
Ranking history
| Month | Rank | Visibility Score |
|---|---|---|
| 2026-01 | #20 | 4.8 |
| 2026-02 | #34 | 2.1 |
Top Biotechnology employers in United States
- #1 Amgen (score 87.2)
- #2 Vertex (score 82.1)
- #3 Roche (score 79.5)
- #4 Moderna (score 71.8)
- #5 Gilead Sciences (score 69.2)
Data updated 2026-08-13. Source: PerceptionX Employer Visibility Index. Machine-readable data: https://employers.perceptionx.ai/api/company/ionis.