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Last updated : 15/09/2026 - 15h40
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Abivax Shares Drop Nearly 2% but Still Up 33% Over the Week

The French biotech takes a breather after a sharp rebound in previous sessions. The stock is part of a declining Parisian market, amid a resurgence of global volatility and geopolitical tensions. Short sellers have also significantly increased their exposure to the capital in recent weeks.


Abivax Shares Drop Nearly 2% but Still Up 33% Over the Week

Abivax Shares Drop 1.98% to €84.10, Down from €85.80

Abivax shares fell 1.98% to €84.10, down from €85.80 at the previous close. The movement comes as the CAC 40 drops 0.51% and the VIX soars 15% to 21.76, indicating increased market nervousness.

The day's decline is part of a broader consolidation: the stock has lost over 20% over a month, despite a 33% rise over the week following the positive phase 3 results of obefazimod published on June 1. Over a year, the performance remains exceptional, exceeding 1,100%.

The price is now below its three moving averages (MM20 at €98.56, MM50 at €99.87, MM200 at €94.90), with a gap of nearly 15% below the MM50. The RSI at 43 remains neutral, sending no strong directional signal, stabilizing the stock halfway between its support at €63.10 and its resistance at €115.10.

Short Positions Rise to 5.61% of Capital Amid Increased Volatility

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The bearish bet on the stock has significantly strengthened: four funds now cumulatively hold 5.61% of the capital sold short, according to the statements reviewed, up from 2.59% a month ago. A three-point increase in thirty days reflects rising selling pressure, following the volatile sequence after the phase 3 publication.

This level, above the 3% threshold, indicates that a significant portion of institutional investors remain positioned against the stock. While their exact motivations are unclear, the movement is worth monitoring as the one-month volatility stands at 58.57, indicating a high range of variation.

The company is also dual-listed in Paris (ordinary shares) and on the Nasdaq (ADS), with a volume about four times higher overseas. The next technical milestone to watch is the 200-day moving average around €94.90, whose reconquest would condition a return to the resistance zone around €115.



Sector Pharmacie et biotechnologies Biotechnologies


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Context

Period
  • Period: T1 2026
Key reported figures
  • Revenue: 1,3 millions d'euros
  • Quarterly revenue: 1,3 millions d'euros
  • Revenue growth: 30 %
  • Net income: -48,5 millions d'euros
  • Free cash flow: 50,5 millions d'euros
Risks mentioned
  • Les dépenses de R&D ont augmenté de 10,2 millions d'euros par rapport à T1 2025.
  • Baisse de 3,5 millions d'euros des charges patronales en raison de la baisse du cours de l'action.
Opportunities identified
  • Lancement d’un essai de maintenance de phase 3 ABTECT pour la RCH fin T2 2026.
  • Visibilité financière jusqu’au quatrième trimestre 2027.

The information presented in this article is provided for informational purposes only and does not constitute an investment recommendation, an incentive to buy or sell a financial asset, or investment advice. Readers are invited to conduct their own research before making any decision.

Investments in the stock market involve risks, including the risk of capital loss. Past performance of an asset or market is no guarantee of future results. Any investment decision should be made taking into account your personal financial situation, objectives and risk tolerance.

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