Annexon ANNX

NASDAQ ANNX
$3.83 -0.18 (-4.49%)
At close: Oct 20, 2026 · 4:00 PM EDT

Annexon (ANNX) stock price is $3.83, down 4.49% on the day, as of Oct 20, 2026. It has a market cap of $762.81Mn, and is classified in the Biotechnology industry (Healthcare sector).

Key Stats
Market Cap762.81 Mn
P/E-3.76
Div. Yield0.00
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About

Annexon, Inc. is a biopharmaceutical company focused on developing targeted immunotherapies that inhibit the complement protein C1q to treat neuroinflammatory diseases affecting the brain, eye and peripheral nervous system. The company’s approach aims to block the classical complement pathway at its initiation to reduce inflammation and tissue damage while preserving other immune functions. Its pipeline includes product candidates for Guillain Barre syndrome, geographic…

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Sector: Healthcare Sector rationale Annexon is a biopharmaceutical company developing targeted immunotherapies and product candidates for neuroinflammatory diseases such as Guillain Barre syndrome and geographic atrophy. Its core business activity is the discovery and clinical development of medical products (biopharmaceuticals) to treat patients and serve healthcare providers. Industry: Biotechnology Biotechnology Primary Annexon is a biopharmaceutical company developing targeted immunotherapies, specifically complement protein C1q inhibitors, which are biological therapies. The company is a clinical-stage developer with no current product revenue, focusing on biological science to treat neuroinflammatory diseases. Classified using BQ-MICS CIK: 0001528115
Peer percentiles

How Annexon ranks

Ranked against the 673 companies in Pharmaceuticals and Biotechnology58 metrics · as of Oct 16, 2026

Valuation

12 metrics · Lower multiples rank higher; a negative multiple ranks last
  • P/ENegative earnings −3.57xMedian 17.3x 48th
  • P/FCFNegative free cash flow −3.25xMedian 17.9x 39th
  • P/Operating cash flowNegative operating cash flow −3.26xMedian 16.4x 38th
  • P/S —Median 9.48x No data —
  • P/B 3.38xMedian 2.17x 36th
  • P/Tangible book 3.38xMedian 2.41x 40th
  • EV/EBITDANegative EBITDA −2.01xMedian 16.1x 30th
  • EV/EBITNegative EBIT −1.99xMedian 19.7x 35th
  • EV/Revenue —Median 6.87x No data —
  • EV/FCFNegative free cash flow −2.17xMedian 19.3x 28th
  • EV/Operating cash flowNegative operating cash flow −2.17xMedian 16.2x 29th
  • PEG (3Y EPS CAGR)Negative earnings −0.19Median 0.35 Not meaningful —
Peer group

Peer Comparison

Companies in the Biotechnology
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S.No. Ticker Company Market CapP/EP/STotal Debt (Qtr)
1 LLY ELI LILLY & Co 1,146.94 Bn42.9414.4054.91 Bn
2 JNJ Johnson & Johnson 624.96 Bn29.716.3849.04 Bn
3 ABBV AbbVie Inc. 510.15 Bn80.857.9270.82 Bn
4 MRK Merck & Co., Inc. 366.13 Bn115.395.5053.91 Bn
5 NVS Novartis Ag 297.75 Bn18.875.449.59 Bn
6 AZN Astrazeneca Plc 261.93 Bn25.084.4632.35 Bn
7 AMGN Amgen Inc 236.51 Bn27.056.2157.30 Bn
8 ANNX Annexon, Inc. 0.76 Bn-3.76--