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Disclosery

ABVX ABIVAX SA

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SPONSORED ADS (ADR), issuer CIK 1956827

165 managers (165 13F filers) reported a position in ABVX shares at 2025-09-30, 51,964,814 shares in all. 129 filers opened a position and 8 filers sold out during the quarter.

Managers
165
13F filers
165
New
129
Added
16
Reduced
17
Sold out
8
Shares held by filers
51,964,814

Shares held by filers adds up every 13F filer's report, so a share reported by a parent and by its subsidiary counts twice (H9). Managers counts each filer group once.

13D and 13G filers

No 13D or 13G on this security in the data. Structured 13D/G data starts 2024-12-18.

Insider trades

No Form 4 transaction on this security in the data.

13F holders, Q3 2025

Filers in the available 13F reports with a share position at 2025-09-30, filer groups collapsed to one row (method), largest first. Options and principal amounts are left out. A group row states no % of portfolio, since each member reports its own portfolio: the members' percents are listed under it. A value about 1,000 times or 1/1,000 of the price other filers imply is shown as filed but neither ranks the row nor enters a sum.

HolderSharesValue% of portfolioChangeSource
TCG Crossover Management, LLC7,111,596$604M29.7%+1,055,00013F-HRTimeline
UBS Group AGin group UBS Group AG4,461,262$379M0.07%+4,293,60613F-HRTimelineGroup
Darwin Global Management, Ltd.in group Darwin Global Management, Ltd.3,164,501$264M7.33%new13F-HRTimelineGroup
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.2,925,352$248M0.54%+2,757,46513F-HRTimelineGroup
Cormorant Asset Management, LP1,950,000$166M11.42%-180,00013F-HRTimeline
Paradigm Biocapital Advisors LPin group Paradigm Biocapital Advisors …1,564,196$133M3.93%new13F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY1,470,717$125M0.01%+995,43713F-HR/ATimelineGroup
Caligan Partners LP1,451,924$123M17.1%-222,47613F-HRTimeline
FMR LLCin group FMR LLC1,430,673$121M0.01%new13F-HRTimelineGroup
ADAR1 Capital Management, LLCin group ADAR1 Capital Management, LLC1,350,826$115M11.36%-1,720,51413F-HRTimelineGroup
Octagon Capital Advisors LP1,325,000$112M17.56%+58,00013F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC1,100,030$93.4M0.07%-151,73513F-HRTimelineGroup
Vestal Point Capital, LP1,000,000$84.9M3.85%new13F-HRTimeline
ADAGE CAPITAL PARTNERS GP, L.L.C.in group ADAGE CAPITAL PARTNERS GP, L.…977,629$83M0.13%new13F-HRTimelineGroup
BAKER BROS. ADVISORS LPin group BAKER BROS. ADVISORS LP875,796$74.4M0.54%new13F-HRTimelineGroup
FARALLON CAPITAL MANAGEMENT, L.L.C.805,000$68.3M0.39%new13F-HR/ATimeline
Saturn V Capital Management LP801,224$68M14.92%+178,74513F-HRTimeline
Aberdeen Group plcin group Aberdeen Group plc787,417$66.9M0.11%+76,90113F-HRTimelineGroup
Nationale-Nederlanden Powszechne Towarz…731,523$62.1M4.8%new13F-HRTimeline
Fairmount Funds Management LLCin group Fairmount Funds Management LLC713,434$60.6M5.45%new13F-HRTimelineGroup
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC681,785$57.9M0.05%-570,47213F-HRTimelineGroup
BOOTHBAY FUND MANAGEMENT, LLC597,931$50.8M1.28%-272,50713F-HRTimeline
Venrock Adviser, LLC576,729$49M2.76%-769,05113F-HRTimeline
BVF INC/ILin group BVF INC/IL558,031$47.4M1.92%new13F-HRTimelineGroup
Nantahala Capital Management, LLCin group Nantahala Capital Management,…557,564$47.3M2.92%-925,43013F-HRTimelineGroup
SILVERARC CAPITAL MANAGEMENT, LLCin group SILVERARC CAPITAL MANAGEMENT,…539,704$45.8M6.63%new13F-HRTimelineGroup
FRANKLIN RESOURCES INCin group Franklin Resources516,090$43.8M0.01%-854,96013F-HRTimelineGroup
PRICE T ROWE ASSOCIATES INC /MD/479,869$40.7M<0.01%new13F-HRTimeline
Holocene Advisors, LP461,301$39.2M0.09%new13F-HRTimeline
Jefferies Financial Group Inc.in group Jefferies Financial Group Inc.457,325$38.8M0.36%new13F-HRTimelineGroup
Ensign Peak Advisors, Inc455,684$38.7M0.06%013F-HR/ATimeline
Eversept Partners, LP426,499$36.2M2.77%new13F-HRTimeline
Logos Global Management LP415,000$35.2M3.48%new13F-HRTimeline
EVENTIDE ASSET MANAGEMENT, LLC396,904$33.7M0.55%new13F-HRTimeline
Ikarian Capital, LLCin group Ikarian Capital, LLC396,098$33.4M6.76%new13F-HRTimelineGroup
PERCEPTIVE ADVISORS LLCin group PERCEPTIVE ADVISORS LLC388,608$33M0.95%new13F-HRTimelineGroup
ORBIMED ADVISORS LLCin group ORBIMED ADVISORS LLC380,000$32.3M0.77%new13F-HRTimelineGroup
Frazier Life Sciences Management, L.P.378,300$32.1M0.96%new13F-HRTimeline
Affinity Asset Advisors, LLC360,000$30.6M2.84%+260,00013F-HRTimeline
Vivo Capital, LLC359,305$30.5M2.45%new13F-HRTimeline
JANUS HENDERSON GROUP PLCin group Janus Henderson354,734$30.1M0.01%new13F-HRTimelineGroup
RTW INVESTMENTS, LP350,000$29.7M0.37%new13F-HRTimeline
LORD, ABBETT & CO. LLC336,706$28.6M0.09%new13F-HRTimeline
Woodline Partners LP311,042$26.4M0.12%+127,24213F-HRTimeline
First Turn Management, LLC291,820$24.8M3.72%new13F-HRTimeline
Evergreen Quality Fund GP, Ltd.288,600$24.5M0.54%new13F-HRTimeline
Artia Global Partners LP225,453$19.1M3.37%new13F-HR/ATimeline
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…196,836$16.7M0.02%new13F-HRTimelineGroup
MARSHALL WACE, LLPin group MARSHALL WACE, LLP189,704$16.1M0.02%new13F-HRTimelineGroup
HighVista Strategies LLC184,468$15.7M3.84%+133,31213F-HRTimeline
Bronte Capital Management Pty Ltd.156,747$14.9M1.35%new13F-HRTimeline
STEMPOINT CAPITAL LP166,273$14.1M2.85%+78,52513F-HRTimeline
Catalio Capital Management, LP162,141$13.8M2.54%new13F-HRTimeline
Balyasny Asset Management L.P.in group Balyasny Asset Management160,220$13.6M0.03%new13F-HRTimelineGroup
Patient Square Capital LP151,833$12.9M3.45%new13F-HRTimeline
GREAT POINT PARTNERS LLC150,000$12.7M5.32%-1,141,61713F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC135,626$11.5M<0.01%new13F-HRTimelineGroup
TimesSquare Capital Management, LLC128,023$10.9M0.16%new13F-HRTimeline
Boxer Capital Management, LLCin group Boxer Capital Management, LLC120,000$10.2M3.25%new13F-HR/ATimelineGroup
Apis Capital Advisors, LLC105,400$8.95M1.98%new13F-HRTimeline
NAN FUNG TRINITY (HK) LTD101,365$8.61M0.86%new13F-HRTimeline
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.99,500$8.45M0.01%new13F-HRTimelineGroup
First Light Asset Management, LLC95,955$8.15M0.77%new13F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/95,593$8.12M<0.01%+95,05713F-HR/ATimelineGroup
Hudson Bay Capital Management LPin group Hudson Bay Capital Management…91,062$7.73M0.05%new13F-HR/ATimelineGroup
BARCLAYS PLCin group BARCLAYS PLC76,342$6.48M<0.01%-37,04913F-HR/ATimelineGroup
SAMSARA BIOCAPITAL, LLC75,442$6.41M0.84%new13F-HRTimeline
LMR Partners LLPin group LMR Partners LLP74,078$6.29M0.08%new13F-HRTimelineGroup
Atika Capital Management LLCin group Atika Capital Management LLC69,000$5.86M0.5%new13F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC67,802$5.76M0.01%new13F-HRTimelineGroup
SEI INVESTMENTS COin group SEI INVESTMENTS CO66,725$5.66M0.01%new13F-HRTimelineGroup
Velan Capital Investment Management LP64,389$5.47M5.13%new13F-HRTimeline
Melqart Asset Management (UK) Ltd64,157$5.45M0.73%new13F-HRTimeline
Simplify Asset Management Inc.61,449$5.22M0.11%new13F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC58,618$4.98M<0.01%new13F-HRTimelineGroup
Verition Fund Management LLC56,618$4.81M0.03%new13F-HRTimeline
Trexquant Investment LP56,420$4.79M0.05%new13F-HRTimeline
Parkman Healthcare Partners LLC55,197$4.69M0.51%new13F-HRTimeline
HRT FINANCIAL LP53,078$4.51M0.02%new13F-HRTimeline
J. Goldman & Co LP51,893$4.41M0.17%-15,60713F-HRTimeline
Erste Asset Management GmbHin group Erste Asset Management GmbH50,000$4.17M0.04%new13F-HRTimelineGroup
TD Asset Management Inc46,486$3.95M<0.01%new13F-HRTimeline
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…41,894$3.56M<0.01%new13F-HRTimelineGroup
DIADEMA PARTNERS LP41,620$3.51M2.45%new13F-HRTimeline
FINDELL CAPITAL MANAGEMENT LLC40,000$3.4M1.55%new13F-HRTimeline
Resolute Capital Asset Partners LLC40,000$3.4M1.78%new13F-HRTimeline
CANTOR FITZGERALD, L. P.in group CANTOR FITZGERALD, L. P.35,000$2.97M0.06%new13F-HR/ATimelineGroup
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…34,614$2.94M<0.01%new13F-HRTimelineGroup
Longaeva Partners L.P.32,886$2.79M0.59%new13F-HRTimeline
TUDOR INVESTMENT CORP ET AL32,883$2.79M0.02%new13F-HR/ATimeline
Quinn Opportunity Partners LLC31,000$2.63M0.19%new13F-HRTimeline
Privium Fund Management B.V.30,412$2.58M0.46%new13F-HRTimeline
Tetragon Partners GP Ltdin group Tetragon Partners GP Ltd30,000$2.55M0.37%new13F-HRTimelineGroup
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC29,852$2.53M<0.01%+13,03413F-HRTimelineGroup
LPL Financial LLC29,247$2.48M<0.01%new13F-HRTimeline
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.27,537$2.34M<0.01%new13F-HRTimelineGroup
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …26,136$2.22M<0.01%new13F-HRTimelineGroup
SummitTX Capital, L.P.25,820$2.19M0.09%new13F-HRTimeline
Greenland Capital Management LP25,039$2.13M0.31%new13F-HRTimeline
Optiver Holding B.V.in group Optiver Holding B.V.23,104$1.96M0.03%new13F-HRTimelineGroup
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC20,300$1.72M<0.01%new13F-HRTimelineGroup
Nicholas Investment Partners, LP19,428$1.65M0.13%new13F-HRTimeline
Virtu Financial LLCin group Virtu Financial LLC19,095$1.62M0.09%new13F-HRTimelineGroup
GUGGENHEIM CAPITAL LLCin group GUGGENHEIM CAPITAL LLC17,258$1.47M0.01%+1,16113F-HRTimelineGroup
Voleon Capital Management LP16,757$1.42M0.03%new13F-HRTimeline
ACADIAN ASSET MANAGEMENT LLCin group ACADIAN ASSET MANAGEMENT LLC16,608$1.41M<0.01%new13F-HRTimelineGroup
BAMCO INC /NY/in group Baron Capital14,000$1.19M<0.01%new13F-HRTimelineGroup
Progeny 3, Inc.12,240$1.04M0.05%new13F-HRTimeline
HIMENSION CAPITAL (SINGAPORE) PTE. LTD.11,962$1.02M0.06%new13F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC11,515$978K<0.01%new13F-HRTimelineGroup
Jain Global LLC11,099$942K0.01%new13F-HRTimeline
DYMON ASIA CAPITAL (SINGAPORE) PTE. LTD.in group DYMON ASIA CAPITAL (SINGAPORE…10,000$849K0.34%new13F-HRTimelineGroup
GILDER GAGNON HOWE & CO LLC9,824$834K0.01%new13F-HRTimeline
Persistent Asset Partners Ltd9,604$815K0.59%new13F-HR/ATimeline
XTX Topco Ltdin group XTX Topco Ltd9,332$792K0.04%-8,86213F-HRTimelineGroup
Scientech Research LLC9,294$789K0.28%new13F-HRTimeline
Cubist Systematic Strategies, LLC9,107$773K0.01%new13F-HRTimeline
Mariner, LLCin group Mariner, LLC7,894$670K<0.01%new13F-HRTimelineGroup
Schonfeld Strategic Advisors LLC7,260$616K<0.01%new13F-HRTimeline
Rangeley Capital, LLC6,000$509K0.48%new13F-HRTimeline
Colonial River Investments, LLC4,349$369K0.14%new13F-HRTimeline
AXXCESS WEALTH MANAGEMENT, LLC4,349$369K0.01%new13F-HRTimeline
Crossmark Global Holdings, Inc.3,775$320K<0.01%new13F-HRTimeline
Integrated Wealth Concepts LLC3,633$308K<0.01%new13F-HRTimeline
Marex Group Ltdin group Marex Group Ltd3,402$289K<0.01%new13F-HRTimelineGroup
FNY Investment Advisers, LLC3,250$275K0.09%new13F-HRTimeline
OPPENHEIMER ASSET MANAGEMENT INC.in group OPPENHEIMER ASSET MANAGEMENT …3,101$263K<0.01%new13F-HRTimelineGroup
TRUIST FINANCIAL CORPin group TRUIST FINANCIAL CORP3,089$262K<0.01%new13F-HRTimelineGroup
BANK OF HAWAII3,006$255K0.01%new13F-HRTimeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA2,955$251K<0.01%new13F-HRTimelineGroup
NEW YORK STATE COMMON RETIREMENT FUND2,919$248K<0.01%new13F-HRTimeline
Allianz Asset Management GmbHin group Allianz SE2,900$246K<0.01%new13F-HRTimelineGroup
Legato Capital Management LLC2,554$217K0.02%new13F-HRTimeline
ASHTON THOMAS SECURITIES, LLC2,500$212K0.03%new13F-HRTimeline
Stonepine Capital Management, LLC2,500$212K0.17%new13F-HRTimeline
Moody Aldrich Partners LLC2,438$207K0.04%new13F-HRTimeline
GROUP ONE TRADING LLC1,805$153K<0.01%new13F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS1,800$153K<0.01%-8,87013F-HRTimelineGroup
Covestor Ltd1,136$96K0.05%new13F-HRTimeline
RHUMBLINE ADVISERS1,021$86.7K<0.01%+4013F-HRTimeline
IQ EQ FUND MANAGEMENT (SINGAPORE) PRIVA…900$76.4K0.1%new13F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN717$60.9K<0.01%new13F-HRTimelineGroup
GAMMA Investing LLC638$54.2K<0.01%-713F-HRTimeline
HANTZ FINANCIAL SERVICES, INC.611$52K<0.01%new13F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
FIRST HORIZON CORP428$36.3K<0.01%13F-HRTimeline
EverSource Wealth Advisors, LLCin group EverSource Wealth Advisors, L…377$32K<0.01%+36913F-HRTimelineGroup
HighMark Wealth Management LLC280$23.8K0.01%new13F-HRTimeline
WPG Advisers, LLC201$17.1K0.01%new13F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…141$12K<0.01%new13F-HRTimelineGroup
Steward Partners Investment Advisory, L…106$9K<0.01%new13F-HRTimeline
Financial Management Professionals, Inc.100$8.49K<0.01%013F-HRTimeline
US BANCORP \DE\in group US BANCORP \DE\76$6.45K<0.01%new13F-HRTimelineGroup
LRI Investments, LLC75$6.37K<0.01%new13F-HRTimeline
PRIVATE TRUST CO NA70$5.94K<0.01%new13F-HRTimeline
Grove Bank & Trust62$5.26K<0.01%new13F-HRTimeline
Caitong International Asset Management …52$4.42K<0.01%new13F-HRTimeline
CITIGROUP INCin group CITIGROUP INC51$4.33K<0.01%-170,68213F-HRTimelineGroup
Global Retirement Partners, LLC50$4.25K<0.01%new13F-HRTimeline
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…43$3.65K<0.01%new13F-HRTimelineGroup
OSAIC HOLDINGS, INC.in group OSAIC HOLDINGS, INC.37$3.08K<0.01%new13F-HRTimelineGroup
PRINCIPAL SECURITIES, INC.in group PRINCIPAL FINANCIAL GROUP INC21$1.78K<0.01%-1513F-HRTimelineGroup
MAI Capital Management16$1.36K<0.01%new13F-HRTimeline
Allworth Financial LP16$1.36K<0.01%new13F-HRTimeline
JONES FINANCIAL COMPANIES LLLPin group JONES FINANCIAL COMPANIES LLLP13$1.08K<0.01%new13F-HRTimelineGroup
Farther Finance Advisors, LLC8$679<0.01%new13F-HRTimeline