Employer Visibility Snapshot
Ionis ranks #26 of 46 Biotechnology employers in United States on the PerceptionX Employer Visibility Index (September 2026), with an AI Visibility Score of 5.1 out of 100. Across all 1476 tracked employers in United States, Ionis ranks #626.
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 6 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.
Data updated 2026-09-28. Machine-readable data: https://employers.perceptionx.ai/api/company/ionis.
Theme rankings — Biotechnology, United States
| Theme | Rank | Score |
|---|---|---|
| Innovation | #15 | 33.3 |
| Onboarding | #17 | 33.3 |
Ranking history
| Month | Rank | Visibility Score |
|---|---|---|
| February 2026 | #36 | 2.1 |
| January 2026 | #20 | 4.8 |
FAQs
What does Ionis's Employer Visibility Score mean?
Ionis's Visibility Score of 5.1 measures how frequently AI models like ChatGPT, Google Gemini, and Perplexity mention Ionis when candidates ask about Biotechnology employers. A higher score means greater discoverability in AI-powered job research.
How does Ionis compare to competitors?
Ionis ranks #26 out of 46 Biotechnology companies. AI most frequently mentions Ionis alongside Amgen, Vertex, Roche, Moderna, Gilead Sciences. This ranking is based on visibility across ChatGPT, Google Gemini, and Perplexity.
Why are Sentiment and Relevance locked?
Sentiment and Relevance data — along with full job function breakdowns — are part of the PerceptionX intelligence report. The public index shows Visibility only. Speak to our team to access the full picture for Ionis.
How can Ionis improve its score?
Visibility is driven by the quality, consistency, and reach of an employer's brand content across sources AI models train on. PerceptionX identifies the specific themes and platforms where Ionis is underrepresented and provides strategic recommendations to close those gaps.
How often is Ionis's data updated?
Rankings are recalculated monthly. Each update reflects the latest AI model outputs and any changes in how Ionis is described in response to candidate research queries.
Does Ionis need to be a PerceptionX customer to appear here?
No. The Visibility Index tracks employers based on how AI models describe them — any employer with sufficient AI coverage appears automatically. PerceptionX customers gain access to deeper analytics, competitive intelligence, and improvement recommendations.
What does a full PerceptionX report include?
A full PerceptionX report covers additional AI models, custom prompts tailored to your specific job functions and markets, Sentiment and Relevance scoring alongside Visibility, a breakdown of which sources AI draws on, and proprietary strategic recommendations for closing gaps in AI employer perception.