{
  "page": 1,
  "sort": "rank",
  "limit": 25,
  "month": "2026-09",
  "country": "United States",
  "industry": "Biotechnology",
  "rankings": [
    {
      "rank": 1,
      "slug": "amgen",
      "company": "Amgen",
      "website": "amgen.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/amgen",
      "rankChange": 1,
      "mentionCount": 34,
      "previousRank": 2,
      "visibilityScore": 87.2
    },
    {
      "rank": 2,
      "slug": "vertex",
      "company": "Vertex",
      "website": "vrtx.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/vertex",
      "rankChange": 7,
      "mentionCount": 32,
      "previousRank": 9,
      "visibilityScore": 82.1
    },
    {
      "rank": 3,
      "slug": "roche",
      "company": "Roche",
      "website": "roche.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/roche",
      "rankChange": 5,
      "mentionCount": 31,
      "previousRank": 8,
      "visibilityScore": 79.5
    },
    {
      "rank": 4,
      "slug": "moderna",
      "company": "Moderna",
      "website": "moderna.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/moderna",
      "rankChange": 2,
      "mentionCount": 28,
      "previousRank": 6,
      "visibilityScore": 71.8
    },
    {
      "rank": 5,
      "slug": "gilead-sciences",
      "company": "Gilead Sciences",
      "website": "gilead.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/gilead-sciences",
      "rankChange": 0,
      "mentionCount": 27,
      "previousRank": 5,
      "visibilityScore": 69.2
    },
    {
      "rank": 6,
      "slug": "biogen",
      "company": "Biogen",
      "website": "biogen.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/biogen",
      "rankChange": -3,
      "mentionCount": 24,
      "previousRank": 3,
      "visibilityScore": 61.5
    },
    {
      "rank": 7,
      "slug": "regeneron",
      "company": "Regeneron",
      "website": "regeneron.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/regeneron",
      "rankChange": 0,
      "mentionCount": 22,
      "previousRank": 7,
      "visibilityScore": 56.4
    },
    {
      "rank": 8,
      "slug": "illumina",
      "company": "Illumina",
      "website": "illumina.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/illumina",
      "rankChange": null,
      "mentionCount": 15,
      "previousRank": null,
      "visibilityScore": 38.5
    },
    {
      "rank": 9,
      "slug": "abbvie",
      "company": "Abbvie",
      "website": "abbvie.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/abbvie",
      "rankChange": null,
      "mentionCount": 14,
      "previousRank": null,
      "visibilityScore": 35.9
    },
    {
      "rank": 10,
      "slug": "alnylam",
      "company": "Alnylam",
      "website": "alnylam.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/alnylam",
      "rankChange": -9,
      "mentionCount": 12,
      "previousRank": 1,
      "visibilityScore": 30.8
    },
    {
      "rank": 11,
      "slug": "pfizer",
      "company": "Pfizer",
      "website": "pfizer.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/pfizer",
      "rankChange": null,
      "mentionCount": 12,
      "previousRank": null,
      "visibilityScore": 30.8
    },
    {
      "rank": 12,
      "slug": "thermo-fisher-scientific",
      "company": "Thermo Fisher Scientific",
      "website": "thermofisherscientific.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/thermo-fisher-scientific",
      "rankChange": null,
      "mentionCount": 11,
      "previousRank": null,
      "visibilityScore": 28.2
    },
    {
      "rank": 13,
      "slug": "eli-lilly",
      "company": "Eli Lilly",
      "website": "lilly.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/eli-lilly",
      "rankChange": null,
      "mentionCount": 10,
      "previousRank": null,
      "visibilityScore": 25.6
    },
    {
      "rank": 14,
      "slug": "merck",
      "company": "Merck",
      "website": "merck.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/merck",
      "rankChange": null,
      "mentionCount": 10,
      "previousRank": null,
      "visibilityScore": 25.6
    },
    {
      "rank": 15,
      "slug": "biontech",
      "company": "Biontech",
      "website": "biontech.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/biontech",
      "rankChange": -11,
      "mentionCount": 9,
      "previousRank": 4,
      "visibilityScore": 23.1
    },
    {
      "rank": 16,
      "slug": "bristol-myers-squibb",
      "company": "Bristol Myers Squibb",
      "website": "bristolmyerssquibb.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/bristol-myers-squibb",
      "rankChange": null,
      "mentionCount": 8,
      "previousRank": null,
      "visibilityScore": 20.5
    },
    {
      "rank": 17,
      "slug": "johnson-and-johnson",
      "company": "Johnson & Johnson",
      "website": "jnj.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/johnson-and-johnson",
      "rankChange": null,
      "mentionCount": 7,
      "previousRank": null,
      "visibilityScore": 17.9
    },
    {
      "rank": 18,
      "slug": "biomarin",
      "company": "Biomarin",
      "website": "biomarin.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/biomarin",
      "rankChange": null,
      "mentionCount": 3,
      "previousRank": null,
      "visibilityScore": 7.7
    },
    {
      "rank": 19,
      "slug": "guardant-health",
      "company": "Guardant Health",
      "website": null,
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/guardant-health",
      "rankChange": null,
      "mentionCount": 3,
      "previousRank": null,
      "visibilityScore": 7.7
    },
    {
      "rank": 20,
      "slug": "10x-genomics",
      "company": "10x Genomics",
      "website": "10xgenomics.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/10x-genomics",
      "rankChange": null,
      "mentionCount": 2,
      "previousRank": null,
      "visibilityScore": 5.1
    },
    {
      "rank": 21,
      "slug": "biomarin-pharmaceutical",
      "company": "Biomarin Pharmaceutical",
      "website": "biomarinpharmaceutical.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/biomarin-pharmaceutical",
      "rankChange": null,
      "mentionCount": 2,
      "previousRank": null,
      "visibilityScore": 5.1
    },
    {
      "rank": 22,
      "slug": "glaxosmithkline",
      "company": "Glaxosmithkline",
      "website": "glaxosmithkline.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/glaxosmithkline",
      "rankChange": null,
      "mentionCount": 2,
      "previousRank": null,
      "visibilityScore": 5.1
    },
    {
      "rank": 23,
      "slug": "gsk",
      "company": "GSK",
      "website": "gsk.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/gsk",
      "rankChange": null,
      "mentionCount": 2,
      "previousRank": null,
      "visibilityScore": 5.1
    },
    {
      "rank": 24,
      "slug": "icon",
      "company": "Icon",
      "website": "icon.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/icon",
      "rankChange": null,
      "mentionCount": 2,
      "previousRank": null,
      "visibilityScore": 5.1
    },
    {
      "rank": 25,
      "slug": "ionis",
      "company": "Ionis",
      "website": "ionispharma.com",
      "industry": "Biotechnology",
      "profileUrl": "https://employers.perceptionx.ai/company/ionis",
      "rankChange": null,
      "mentionCount": 2,
      "previousRank": null,
      "visibilityScore": 5.1
    }
  ],
  "lastUpdated": "2026-09-03",
  "previousMonth": "2026-03",
  "totalCompanies": 45,
  "methodology": {
    "version": "1.0",
    "url": "https://employers.perceptionx.ai/api-docs#methodology",
    "description": "Visibility Score (0-100) is the share of AI model × candidate-experience-theme combinations within an industry and country where the company was mentioned in AI-generated answers to candidate-style questions. Ranks are computed per industry and country; ties break by mention count, then company name. Responses from other assistants (e.g. Claude, DeepSeek) are collected for research but not included in index scoring.",
    "models": [
      "ChatGPT",
      "Google Gemini",
      "Perplexity"
    ]
  }
}