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Abivax S.A. ABVX

US equityMarket cap rank #1654
$91.73 −$1.15 (-1.24%)
Market closed · Oct 5, 8:10 pm ET · Last extended-hours $93.00 +1.38%
Open$92.27
Prev close$92.88
Day range$89.40 – $92.61
Volume840.3K
Market cap$8.01B
P/E (TTM)–
Dividend yield–

Ownership & positioning

Who holds it, who is betting against it, and where the big money is moving

Short interest7.86% of floatDays to cover 6.2 · as of 15 Sep 2026
Short-sale volume share13.0%5-day average of daily volume

Short-sale volume as % of daily volume

7%10%14%18%Sep '26Sep '26Oct '26

Reported short interest has risen from 5.42% to 7.86% of float over the last 6 biweekly reports (30 Jun 2026 to 15 Sep 2026).

Short interest, by report

Report dateShares short% of floatDays to cover
15 Sep 2026 6,858,511 7.9% 6.2
31 Aug 2026 6,962,029 8.0% 8.0
14 Aug 2026 6,001,787 6.9% 7.8
31 Jul 2026 5,194,797 6.0% 5.1
15 Jul 2026 4,018,322 4.6% 2.4
30 Jun 2026 4,325,904 5.4% 1.5

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