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Abivax

Short position disclosed on October 20, 2026.

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Evolution of the disclosed total

0%2%4%6%8%
Jan 2026Apr 2026Jul 2026Oct 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
D. E. Shaw & CO., L.P.1.64%newOctober 16, 2026
Arrowstreet Capital, Limited Partnership1.40%newOctober 16, 2026
Capital Fund Management1.19%newOctober 14, 2026
PDT Partners, LLC0.79%newOctober 20, 2026
Marshall Wace LLP0.50%newOctober 5, 2026

In the United States ABVX (Nasdaq): 7,776,429 shares sold short on September 30, 2026.AAVXF (OTC): 704,635 shares sold short on September 30, 2026. FINRA names no fund.

On the other side: the funds that hold Abivax Titelia

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History of disclosures

146 disclosures on record for this share.
DateFund% of capitalEnd of publicationFiling
June 30, 2026PDT Partners, LLC0.93%AMF
June 30, 2026Marshall Wace LLP0.76%September 25, 2026AMF
June 25, 2026PDT Partners, LLC1.09%AMF
June 25, 2026Marshall Wace LLP0.94%September 25, 2026AMF
June 24, 2026Marshall Wace LLP0.88%September 25, 2026AMF
June 24, 2026Worldquant, LLC0.59%July 3, 2026AMF
June 23, 2026PDT Partners, LLC1.18%AMF
June 23, 2026Worldquant, LLC0.60%July 3, 2026AMF
June 23, 2026Qube Research & Technologies Limited0.49%June 25, 2026
June 22, 2026Marshall Wace LLP0.71%September 25, 2026AMF
June 19, 2026Marshall Wace LLP0.60%September 25, 2026AMF
June 19, 2026Qube Research & Technologies Limited0.52%June 25, 2026
June 18, 2026Marshall Wace LLP0.57%September 25, 2026AMF
June 17, 2026Qube Research & Technologies Limited0.48%June 19, 2026
June 15, 2026Arrowstreet Capital, Limited Partnership1.50%AMF
June 15, 2026Walleye Capital LLC0.49%June 17, 2026
June 12, 2026Walleye Capital LLC0.53%June 17, 2026
June 11, 2026Worldquant, LLC0.52%July 3, 2026AMF
June 10, 2026PDT Partners, LLC1.20%AMF
June 8, 2026Walleye Capital LLC0.68%June 17, 2026
June 5, 2026Arrowstreet Capital, Limited Partnership1.41%AMF
June 5, 2026PDT Partners, LLC1.15%AMF
June 4, 2026D. E. Shaw & CO., L.P.2.32%AMF
June 4, 2026Walleye Capital LLC0.73%June 17, 2026
June 3, 2026D. E. Shaw & CO., L.P.2.23%AMF
June 3, 2026Arrowstreet Capital, Limited Partnership1.31%
June 3, 2026PDT Partners, LLC1.00%AMF
June 3, 2026Walleye Capital LLC0.55%June 17, 2026
June 2, 2026D. E. Shaw & CO., L.P.2.02%AMF
June 2, 2026PDT Partners, LLC0.76%AMF
June 2, 2026Qube Research & Technologies Limited0.58%June 19, 2026AMF
June 1, 2026D. E. Shaw & CO., L.P.1.81%AMF
June 1, 2026Arrowstreet Capital, Limited Partnership1.20%
May 29, 2026D. E. Shaw & CO., L.P.1.79%AMF
May 29, 2026PDT Partners, LLC0.63%AMF
May 28, 2026Arrowstreet Capital, Limited Partnership1.11%
May 26, 2026D. E. Shaw & CO., L.P.1.50%AMF
May 22, 2026Arrowstreet Capital, Limited Partnership1.00%AMF
May 22, 2026PDT Partners, LLC0.51%AMF
May 21, 2026D. E. Shaw & CO., L.P.1.43%AMF
May 20, 2026Arrowstreet Capital, Limited Partnership0.92%AMF
May 19, 2026D. E. Shaw & CO., L.P.1.31%AMF
May 18, 2026D. E. Shaw & CO., L.P.1.24%AMF
May 18, 2026Arrowstreet Capital, Limited Partnership0.81%AMF
May 18, 2026Qube Research & Technologies Limited0.04%May 20, 2026
May 13, 2026Qube Research & Technologies Limited0.59%May 20, 2026
May 6, 2026D. E. Shaw & CO., L.P.1.19%AMF
May 6, 2026Qube Research & Technologies Limited0.69%May 20, 2026
April 30, 2026D. E. Shaw & CO., L.P.1.29%AMF
April 15, 2026D. E. Shaw & CO., L.P.1.39%AMF

The AMF column opens the filing the fund itself lodged, on the regulator own site. Documents read for positions up to August 26, 2026.

Download 146 filings as CSV Columns: Date, Fund, Market, Disclosed position, Unit, End date. The other formats

Other companies sold short in France

Cite this page

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 October 20, 2026, https://www.quivad.com/action/abivax?page=2