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Abivax

Short position disclosed on September 22, 2026.

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Evolution of the disclosed total

0%2%4%6%8%
Oct 2025Jan 2026Apr 2026Jul 2026
Sum of open short positions, as % of capital. Hover or tap the curve to see which funds make it up.
Over the whole history, the total peaked at 6.77% on June 22, 2026. The shaded band matches the twelve months of the first chart.

June 1, 2021 today

Open positions

The funds disclosing a short position that is still open.
FundTwelve months% of capitalOver the yearSinceFiling
Arrowstreet Capital, Limited Partnership1.36%newSeptember 11, 2026
D. E. Shaw & CO., L.P.1.28%newAugust 17, 2026AMF
Capital Fund Management1.10%newSeptember 18, 2026
PDT Partners, LLC0.70%newSeptember 8, 2026
Marshall Wace LLP0.59%newSeptember 22, 2026

In the United States ABVX (Nasdaq): 6,962,029 shares sold short on August 31, 2026.AAVXF (OTC): 484,126 shares sold short on August 31, 2026. FINRA names no fund.

On the other side: the funds that hold Abivax Titelia

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History of disclosures

133 disclosures on record for this share.
DateFund% of capitalEnd of publicationFiling
January 20, 2026D. E. Shaw & CO., L.P.1.41%AMF
January 15, 2026D. E. Shaw & CO., L.P.1.38%AMF
January 14, 2026D. E. Shaw & CO., L.P.1.42%AMF
January 9, 2026D. E. Shaw & CO., L.P.1.30%AMF
January 8, 2026D. E. Shaw & CO., L.P.1.27%AMF
January 5, 2026D. E. Shaw & CO., L.P.1.10%AMF
December 30, 2025D. E. Shaw & CO., L.P.1.03%AMF
December 23, 2025D. E. Shaw & CO., L.P.0.91%AMF
December 22, 2025D. E. Shaw & CO., L.P.0.89%AMF
December 19, 2025D. E. Shaw & CO., L.P.0.90%AMF
December 17, 2025D. E. Shaw & CO., L.P.0.82%AMF
December 15, 2025D. E. Shaw & CO., L.P.0.73%AMF
December 10, 2025D. E. Shaw & CO., L.P.0.64%AMF
November 21, 2025D. E. Shaw & CO., L.P.0.52%AMF
November 20, 2025D. E. Shaw & CO., L.P.0.49%November 24, 2025
November 5, 2025D. E. Shaw & CO., L.P.0.51%November 24, 2025
July 23, 2025Janus Henderson Investors UK Limited0.27%July 25, 2025
July 21, 2025Janus Henderson Investors UK Limited1.16%July 25, 2025
July 18, 2025Janus Henderson Investors UK Limited1.07%July 25, 2025
July 17, 2025Janus Henderson Investors UK Limited0.89%July 25, 2025
July 16, 2025Janus Henderson Investors UK Limited0.76%July 25, 2025
July 9, 2025Adage Capital Management, L.P.0.47%July 11, 2025AMF
July 8, 2025Adage Capital Management, L.P.0.59%July 11, 2025AMF
April 15, 2025Adage Capital Management, L.P.0.48%April 17, 2025
April 14, 2025Adage Capital Management, L.P.0.59%April 17, 2025
April 10, 2025Adage Capital Management, L.P.0.67%April 17, 2025
April 8, 2025Adage Capital Management, L.P.0.75%April 17, 2025
March 18, 2025Adage Capital Management, L.P.0.82%April 17, 2025
March 17, 2025Adage Capital Management, L.P.0.78%April 17, 2025
March 14, 2025Adage Capital Management, L.P.0.62%April 17, 2025
January 13, 2025Adage Capital Management, L.P.0.51%April 17, 2025
June 21, 2021Voleon Capital Management LP0.49%June 23, 2021
June 1, 2021Voleon Capital Management LP0.50%June 23, 2021AMF

The AMF column opens the filing the fund itself lodged, on the regulator own site.

Download 133 filings as CSV Columns: Date, Fund, Market, Disclosed position, Unit, End date. The other formats

Other companies sold short in France

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The figure comes from the regulator register, not from this site. Quoting both lets your reader check it.

QuiVad, Abivax, source AMF, data as at September 22, 2026, https://www.quivad.com/action/abivax?page=3