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ABVX short interest Nasdaq Global Market

Abivax SA American Depositary. FINRA's reported shares short for this symbol, twice a month by settlement date, shown as the regulator publishes them. No percentage is shown: an SEC filer exists but no defensible share count is available yet.

Shares short
6,858,511
vs previous settlement
−103,518 (-1.5%)
days to cover
6.16
Settlement date
15 Sep 2026

Shares short over time

Aggregate net short position time series for ABVX shares short

Days to cover

FINRA's own figure: reported shares short divided by the security's average daily trading volume, published alongside each settlement.

Aggregate net short position time series for ABVX days to cover

Fails to deliver

The SEC's fails-to-deliver figure for ABVX: the aggregate net balance of shares that failed to be delivered at each settlement date, published by the SEC twice a month and shown here verbatim for the trailing window. A balance is not a daily flow, and a fail has many ordinary causes; the SEC says it cannot guarantee the accuracy of the data. See what fails to deliver are and the largest balances today.

Last balance on file
3
2 Sep 2026
Highest in window
929,688
13 Jan 2026
Days with a balance
74
Window
16 Sep 2025 to 14 Sep 2026
Aggregate net short position time series for Abivax SA American Depositary fails to deliver

Source: U.S. Securities and Exchange Commission, fails-to-deliver data (public domain). Only settlement days with a positive balance appear; the largest balance in the window was 930K shares.

History

Every FINRA settlement we hold for ABVX, newest first.

Full reported short interest history
Settlement dateShares shortChangeDays to cover
15 Sep 20266,858,511−103,5186.16
31 Aug 20266,962,029+960,2427.97
14 Aug 20266,001,787+806,9907.84
31 Jul 20265,194,797+1,176,4755.05
15 Jul 20264,018,322−307,5822.36
30 Jun 20264,325,904−561,2411.45
15 Jun 20264,887,145+1,833,6151.19
29 May 20263,053,530+573,4812.52
15 May 20262,480,049−65,1252.98
30 Apr 20262,545,174−16,0863.15
15 Apr 20262,561,260−705,6713.04
31 Mar 20263,266,931−49,0482.71
13 Mar 20263,315,979+47,6763.68
27 Feb 20263,268,303+95,5454.17
13 Feb 20263,172,758−483,9474.68
30 Jan 20263,656,705+577,7553.93
15 Jan 20263,078,950+170,3071.30
31 Dec 20252,908,643+581,3191.67
15 Dec 20252,327,324+31,0581.21
28 Nov 20252,296,266+504,2121.55
14 Nov 20251,792,054+76,4111.62
31 Oct 20251,715,643+352,3121.67
15 Oct 20251,363,331+121,5391.21
30 Sep 20251,241,792−577,8121.40
15 Sep 20251,819,604+195,9481.55
29 Aug 20251,623,656+486,4331.36
15 Aug 20251,137,223−702,2431.22
31 Jul 20251,839,466+411,4361.00
15 Jul 20251,428,030−57,5972.79
30 Jun 20251,485,627+221,1785.71
13 Jun 20251,264,449+6,7844.76
30 May 20251,257,665+80,4744.08
15 May 20251,177,191−188,47615.19
30 Apr 20251,365,667−198,11514.99
15 Apr 20251,563,782−52,9298.58
31 Mar 20251,616,711+259,4997.64
14 Mar 20251,357,212+123,2773.12
28 Feb 20251,233,935+79,10110.27
14 Feb 20251,154,834−41,1026.62
31 Jan 20251,195,936+17,38510.33
15 Jan 20251,178,551+324,9417.56
31 Dec 2024853,610+276,3833.16
13 Dec 2024577,227+92,3444.86
29 Nov 2024484,883+201,6453.67
15 Nov 2024283,238+91,3393.38
31 Oct 2024191,899−35,2911.41
15 Oct 2024227,190−45,0411.06
30 Sep 2024272,231+65,2353.44
13 Sep 2024206,996+13,2552.60
30 Aug 2024193,741+27,2682.90
15 Aug 2024166,473+69,9991.74
31 Jul 202496,474+39,2541.29
15 Jul 202457,220−34,1031.00
28 Jun 202491,323−16,5981.84
14 Jun 2024107,921+9,2264.10
31 May 202498,695+30,7511.58
15 May 202467,944+3,0981.43
30 Apr 202464,846−48,9281.98
15 Apr 2024113,774−47,7131.63
28 Mar 2024161,487+18,4651.95
15 Mar 2024143,022+38,2761.74
29 Feb 2024104,746−26,5871.10
15 Feb 2024131,333+23,4442.46
31 Jan 2024107,889−42,8101.00
12 Jan 2024150,699−49,7901.72
29 Dec 2023200,489+85,9581.04
15 Dec 2023114,531+6161.45
30 Nov 2023113,915−472,0001.00
15 Nov 2023585,915−1,155,9411.58
31 Oct 20231,741,856–3.91

Scroll inside the table for earlier settlements, back to 31 Oct 2023.

Questions

Frequently asked questions

What is ABVX's short interest?
6,858,511 shares short for settlement date 15 Sep 2026, per FINRA's consolidated short interest report, down 103,518 from the previous settlement.
Why is there no percentage for ABVX?
Because no defensible share count exists to divide by: an SEC filer exists but no defensible share count is available yet. The symbol maps to an SEC filer, but its share count cannot be used yet. A newly listed company needs two cover-page counts on file before the first is trusted; a split or an unexplained jump pauses publication until a fresh SEC count corroborates it; a secondary share class publishes under the company's primary line; and a foreign filer's short count is in depositary-share units. This page upgrades to a percentage automatically once a defensible count exists.
What is ABVX's days to cover?
6.16 days for settlement date 15 Sep 2026: FINRA's own short interest ratio, the reported shares short divided by average daily trading volume, published in the same file and shown verbatim. We hold no volume data ourselves.
Is this the short float?
No. This page shows FINRA's share count only. Short float divides that count by the public float, and short interest as we publish it elsewhere divides it by shares outstanding from SEC filings. Neither denominator is available for this line, so neither ratio is shown.
How often does this update?
FINRA member firms report short positions as of the 15th and the last business day of each month, and FINRA publishes the consolidated figures about nine business days later. We ingest each file the day it appears and re-read recent settlements for revisions.

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