ABIVAX Société Anonyme

ABVXNASDAQUSD

THESIS ALERT

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$91.44
+$1.44 (+1.60%)Today 1M +3.73%
After hours$90.83−0.67%

Updated Nov 11, 4:00 PM ET · Regular session · May be delayed

Source valuation snapshot. Not a live recalculation.
Latest filed annual earnings; price snapshot date unavailable. Not forward P/E.
Diluted earnings per share from the latest filed annual.
$90.00
Prior regular-session close from the quote source.
$90.70–$92.95
Regular-session low and high so far today.
738.8K
Regular-session shares traded · Nov 11, 4:00 PM ET.
Not yet confirmed
The company has not confirmed its next report date. Reported quarters are available in the chart’s Earnings view.
$69.81–$148.83
52-week trading low and high returned by the quote source.

Understand the Business

Why the Stock Moved

Period-matched expectations history is not yet available. Current metrics are not a substitute for a historical explanation.

The core investment thesis

Own ABVX if Abivax is a late-stage, cash-funded biotech whose stock will be made or broken by whether obefazimod proves clinically differentiated enough in ulcerative colitis to turn today’s heavy cash burn into an approvable, commercially relevant.

ABVX price history

Latest price$91.44Today+$1.44 (+1.60%)
ABVX +5.18%S&P 500 -2.42%Since first plotted close
4 hours

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Investment thesis

What must happen next

4 MATERIAL PROPOSITIONS
  • The 2025 recapitalized balance sheet gives Abivax time for obefazimod’s clinical/regulatory milestones to determine value rather than forcing near-term distressed financing.StrengtheningMateriality: High

    IFRS cash and cash equivalents were €516.685 million at FY 2025, up from €144.221 million at FY 2024. If runway holds, shareholders own the clinical upside; if it fails, dilution or weak partnering terms can absorb much of the drug’s value.

    Watch: Late-stage trial expansion, regulatory requests, or launch preparation cause cash burn to step up materially before approval.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    IFRS cash and cash equivalents were €516.685 million at FY 2025, up from €144.221 million at FY 2024.

    Open source ↗
  • Abivax’s rising operating losses are acceptable only if they are buying real clinical and regulatory de-risking for obefazimod, not merely extending development uncertainty.HoldingMateriality: High

    IFRS annual operating income was a loss of €246.056 million in FY 2025, versus a loss of €172.984 million in FY 2024 and €127.376 million in FY 2023. The owner should tolerate losses if they move the asset toward approval; the same losses destroy value if the program stalls or needs more trials.

    Watch: Regulators require an additional pivotal trial or longer safety database before filing.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    IFRS annual operating income was a loss of €246.056 million in FY 2025, versus a loss of €172.984 million in.

    Open source ↗
  • Obefazimod must prove differentiated enough versus existing ulcerative-colitis treatment options for physicians and payers to care about a new entrant from a pre-commercial company.HoldingMateriality: Medium

    IFRS net income was a loss of €336.102 million in FY 2025, showing Abivax is still absorbing development costs before any commercial profit engine exists. Approval alone may not create large value; durable upside requires a product profile strong enough to support adoption, pricing, and potential partner interest.

    Watch: Competing IBD therapies from large pharmaceutical companies show superior remission, maintenance, onset, safety, or convenience.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    IFRS net income was a loss of €336.102 million in FY 2025, showing Abivax is still absorbing development costs before.

    Open source ↗
  • Per-share value creation depends on Abivax reaching a value-inflecting clinical, regulatory, or strategic outcome before repeated equity financing becomes the dominant funding mechanism.HoldingMateriality: Medium

    IFRS diluted EPS was negative €4.83 in FY 2025, worse than negative €2.80 in FY 2024. A drug can succeed clinically while common shareholders earn poor returns if ownership is repeatedly diluted before the payoff.

    Watch: Abivax issues substantial new equity before decisive obefazimod data or regulatory progress.

    Supporting sources

    Source notes are factual paraphrases; read the original disclosures below.

    IFRS diluted EPS was negative €4.83 in FY 2025, worse than negative €2.80 in FY 2024.

    Open source ↗
Full investment case & evidence

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Original research

The 2025 recapitalized balance sheet gives Abivax time for obefazimod’s clinical/regulatory milestones to determine value rather than forcing near-term distressed financing. If runway holds, shareholders own the clinical upside; if it fails, dilution or weak partnering terms can absorb much of the drug’s value.

Abivax’s rising operating losses are acceptable only if they are buying real clinical and regulatory de-risking for obefazimod, not merely extending development uncertainty. The owner should tolerate losses if they move the asset toward approval; the same losses destroy value if the program stalls or needs more trials.

Obefazimod must prove differentiated enough versus existing ulcerative-colitis treatment options for physicians and payers to care about a new entrant from a pre-commercial company. Approval alone may not create large value; durable upside requires a product profile strong enough to support adoption, pricing, and potential partner interest.

Per-share value creation depends on Abivax reaching a value-inflecting clinical, regulatory, or strategic outcome before repeated equity financing becomes the dominant funding mechanism. A drug can succeed clinically while common shareholders earn poor returns if ownership is repeatedly diluted before the payoff.

All standing thesis claims
Original report summary

Abivax is a late-stage, cash-funded biotech whose stock will be made or broken by whether obefazimod proves clinically differentiated enough in ulcerative colitis to turn today’s heavy cash burn into an approvable, commercially relevant.

Evidence assessed Oct 23, 2026. Expand each conclusion for its evidence and what would change it. Thesis evidence—not a buy or sell recommendation.

Bull case and bear case

Bull case and bear case for Abivax S.A.

Where the evidence on Abivax S.A. stands: Holding on the latest evidence (Oct 23, 2026). Of its 4 thesis points, 1 strengthening and 3 holding.

Bull case: what the evidence supports

  • The 2025 recapitalized balance sheet gives Abivax time for obefazimod’s clinical/regulatory milestones to determine value rather than forcing near-term distressed financing.

    sec.gov ↗

  • Abivax’s rising operating losses are acceptable only if they are buying real clinical and regulatory de-risking for obefazimod, not merely extending development uncertainty.

    sec.gov ↗

  • Obefazimod must prove differentiated enough versus existing ulcerative-colitis treatment options for physicians and payers to care about a new entrant from a pre-commercial company.

    sec.gov ↗

  • Per-share value creation depends on Abivax reaching a value-inflecting clinical, regulatory, or strategic outcome before repeated equity financing becomes the dominant funding mechanism.

    sec.gov ↗

Bear case: what would count against it

  • Late-stage trial expansion, regulatory requests, or launch preparation cause cash burn to step up materially before approval.

    sec.gov ↗

  • Regulators require an additional pivotal trial or longer safety database before filing.

    sec.gov ↗

  • Competing IBD therapies from large pharmaceutical companies show superior remission, maintenance, onset, safety, or convenience.

    sec.gov ↗

Thesis-Break Engine

Thesis-break watch · Abivax S.A.

Loading the break-condition record for Abivax S.A..

How the Thesis-Break Engine works →Historical outcomes are measured against the market after past breaks of the same kind, across all companies. Not a prediction.

MARKET + FINANCIAL SNAPSHOT

The numbers behind the thesis

Sourced from filings and market data

What Changed

  1. Mixed
    Foreign issuer material report (6-K).

    Abivax S.A. filed an SEC report on 2026-09-21: Foreign issuer material report (6-K). It is a dated development that tests the current thesis.

  2. Mixed
    Foreign issuer material report (6-K).

    Abivax S.A. filed an SEC report on 2026-07-02: Foreign issuer material report (6-K). It is a dated development that tests the current thesis.

  3. Mixed
    Foreign issuer material report (6-K).

    Abivax S.A. filed an SEC report on 2026-06-29: Foreign issuer material report (6-K). It is a dated development that tests the current thesis.

Risks / falsifiers

What could break the thesis

  • Late-stage trial expansion, regulatory requests, or launch preparation cause cash burn to step up materially before approval.
  • Regulators require an additional pivotal trial or longer safety database before filing.
  • Competing IBD therapies from large pharmaceutical companies show superior remission, maintenance, onset, safety, or convenience.
  • Abivax issues substantial new equity before decisive obefazimod data or regulatory progress.

ABVX news

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Financial statements

ABVX income statement

Annual filed results · USD · Oldest to newest. Margins are calculated from the reported figures.

ABVX: quick answers

Which well-known investors own ABVX?
1 of the 37 well-known funds tracked here reported ABVX shares in their latest 13F filing. By share of the fund's portfolio: Maverick Capital, 0.1%. Fund portfolios

ABVX in well-known investors’ portfolios

1 of 37 funds reported ABVX shares in their latest 13F filing. A 13F shows quarter-end positions and arrives up to 45 days later.

FundOf its portfolioValueChangeQuarter
Maverick Capital0.05%$5.3MNewQ2 2026

Every fund’s portfolio

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