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Disclosery

ABVX ABIVAX SA

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SPONSORED ADS (ADR), issuer CIK 1956827

296 managers (302 13F filers) reported a position in ABVX shares at 2026-06-30, 54,944,067 shares in all. 89 filers opened a position and 40 filers sold out during the quarter.

Managers
296
13F filers
302
New
89
Added
97
Reduced
101
Sold out
40
Shares held by filers
54,944,067

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, Q2 2026

Filers in the available 13F reports with a share position at 2026-06-30, 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, LLC6,007,834$801M19.24%-473,25113F-HRTimeline
Helikon Investments Ltd2,787,131$371M11.1%+1,773,80713F-HRTimeline
Darwin Global Management, Ltd.in group Darwin Global Management, Ltd.3,621,583$348M9.26%+152,92613F-HRTimelineGroup
Vestal Point Capital, LP2,349,443$313M7.32%+849,44313F-HRTimeline
Jupiter Topco LLCin group Janus Henderson1,913,933$255M0.1%13F-HRTimelineGroup
UBS Group AGin group UBS Group AG1,844,918$246M0.04%-2,702,48813F-HRTimelineGroup
ADAR1 Capital Management, LLCin group ADAR1 Capital Management, LLC1,804,703$240M11.3%+410,68413F-HRTimelineGroup
Caligan Partners LP1,557,924$208M10.02%+96,00013F-HRTimeline
CITADEL ADVISORS LLCin group CITADEL ADVISORS LLC1,438,352$192M0.11%+894,01413F-HRTimelineGroup
MORGAN STANLEYin group MORGAN STANLEY1,432,185$191M0.01%-272,77313F-HRTimelineGroup
WESTFIELD CAPITAL MANAGEMENT CO LP1,309,825$175M0.57%-13,11313F-HRTimeline
RA CAPITAL MANAGEMENT, L.P.in group RA CAPITAL MANAGEMENT, L.P.1,132,557$151M1.31%new13F-HRTimelineGroup
NORGES BANK1,100,000$147M0.01%new13F-HRTimeline
SUSQUEHANNA INTERNATIONAL GROUP, LLPin group SUSQUEHANNA INTERNATIONAL GRO…1,053,896$140M0.12%+672,61413F-HRTimelineGroup
Logos Global Management LP1,024,000$136M5.87%+349,00013F-HRTimeline
Octagon Capital Advisors LP993,000$132M12.15%+316,00013F-HRTimeline
BANK OF AMERICA CORP /DE/in group BANK OF AMERICA CORP /DE/971,439$129M0.01%+235,71013F-HRTimelineGroup
Eversept Partners, LP913,880$122M6.64%-20,54313F-HRTimeline
GOLDMAN SACHS GROUP INCin group GOLDMAN SACHS GROUP INC792,712$106M0.01%+443,91513F-HRTimelineGroup
Nationale-Nederlanden Powszechne Towarz…765,332$102M5.59%-58313F-HRTimeline
Cormorant Asset Management, LP675,000$90M4.61%-85,00013F-HRTimeline
Boxer Capital Management, LLC605,000$80.6M6.07%+405,00013F-HRTimeline
Balyasny Asset Management L.P.in group Balyasny Asset Management603,840$80.5M0.15%+390,15113F-HRTimelineGroup
Siren, L.L.C.in group Siren, L.L.C.576,000$76.8M1.56%new13F-HRTimelineGroup
BlackRock, Inc.in group BlackRock, Inc.574,061$76.5M<0.01%+146,72613F-HRTimelineGroup
BOOTHBAY FUND MANAGEMENT, LLC563,367$75.1M1.4%+90,40613F-HRTimeline
ORBIMED ADVISORS LLCin group ORBIMED ADVISORS LLC546,522$72.8M1.38%+80,82213F-HRTimelineGroup
Aberdeen Group plcin group Aberdeen Group plc522,025$69.6M0.1%+90,78413F-HRTimelineGroup
Saturn V Capital Management LP518,865$69.1M9.91%-23,83113F-HRTimeline
Artia Global Partners LP516,447$68.8M13.08%-84,30013F-HRTimeline
Ensign Peak Advisors, Inc504,471$67.2M0.11%-127,36713F-HRTimeline
Pictet Asset Management Holding SAin group Pictet Asset Management Holdi…492,068$65.6M0.06%+388,52313F-HRTimelineGroup
First Turn Management, LLC489,889$65.3M6.98%+24,02013F-HRTimeline
Holocene Advisors, LP418,657$55.8M0.13%+160,00013F-HRTimeline
Vivo Capital, LLC414,899$55.3M5.05%+175,36013F-HRTimeline
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT…in group SUMMIT PARTNERS PUBLIC ASSET …410,000$54.6M1.42%new13F-HRTimelineGroup
EVENTIDE ASSET MANAGEMENT, LLC394,957$52.6M0.7%+74,38113F-HRTimeline
MPM BIOIMPACT LLC336,347$44.8M2.73%+229,07913F-HRTimeline
Affinity Asset Advisors, LLC330,000$44M2.15%-75,00013F-HRTimeline
Ikarian Capital, LLC328,635$43.4M7.1%+271,00013F-HRTimeline
Melqart Asset Management (UK) Ltd307,250$40.9M3.9%new13F-HRTimeline
Kite Lake Capital Management (UK) LLPin group Kite Lake Capital Management …300,600$40.1M14.2%+200,60013F-HRTimelineGroupThe filing omitted confidential holdings, a later amendment may add them.
PRICE T ROWE ASSOCIATES INC /MD/300,365$40M<0.01%-391,30513F-HRTimeline
FRANKLIN RESOURCES INCin group Franklin Resources299,754$39.9M0.01%-83,07613F-HRTimelineGroup
STEMPOINT CAPITAL LP283,657$37.8M6.54%-30,13413F-HRTimeline
HRT FINANCIAL LP270,612$36.1M0.07%+225,24113F-HRTimeline
PRINCIPAL FINANCIAL GROUP INCin group PRINCIPAL FINANCIAL GROUP INC257,678$34.3M0.02%-54,59613F-HRTimelineGroup
Two Seas Capital LPin group Two Seas Capital LP244,590$32.6M1.24%new13F-HRTimelineGroup
READYSTATE ASSET MANAGEMENT LP241,530$32.2M1.31%+39,50813F-HRTimeline
MILLENNIUM MANAGEMENT LLCin group MILLENNIUM MANAGEMENT LLC233,740$31.1M0.02%-372,25213F-HRTimelineGroup
Woodline Partners LP226,966$30.2M0.09%+1,07413F-HRTimeline
Patient Square Capital LP206,500$27.5M4.26%+85,25513F-HRTimeline
GREAT POINT PARTNERS LLC204,314$27.2M6.41%new13F-HRTimeline
Western Standard LLC200,000$26.7M9.03%new13F-HRTimeline
JENNISON ASSOCIATES LLC196,524$26.2M0.02%-14,01013F-HRTimeline
FMR LLCin group FMR LLC191,689$25.5M<0.01%-1,094,68413F-HRTimelineGroup
TUDOR INVESTMENT CORP ET AL187,335$25M0.1%+85,72413F-HRTimeline
FINDELL CAPITAL MANAGEMENT LLC185,000$24.7M4.06%+80,00013F-HRTimeline
SILVERARC CAPITAL MANAGEMENT, LLCin group SILVERARC CAPITAL MANAGEMENT,…169,593$22.6M2.52%-132,93713F-HRTimelineGroup
DIADEMA PARTNERS LP163,644$21.6M7.63%+87,70013F-HRTimeline
Focus Partners Wealthin group Focus Partners Wealth161,874$21.6M0.02%new13F-HRTimelineGroup
Creek Drive Management Group LLC157,500$21M12.97%+2,50013F-HRTimeline
NAN FUNG TRINITY (HK) LTD142,083$18.9M1.87%+13,14313F-HRTimeline
Nantahala Capital Management, LLC133,759$17.8M1.08%-3,47813F-HR/ATimeline
APEIRON CAPITAL Ltd130,600$17.4M11.18%new13F-HRTimeline
AMERIPRISE FINANCIAL INCin group AMERIPRISE FINANCIAL INC129,816$17.3M<0.01%+46,78513F-HRTimelineGroup
WELLINGTON MANAGEMENT GROUP LLPin group WELLINGTON MANAGEMENT GROUP L…123,289$16.4M<0.01%new13F-HRTimelineGroup
DG Capital Management, LLC122,267$16.3M5.64%new13F-HRTimeline
FARALLON CAPITAL MANAGEMENT, L.L.C.122,000$16.3M0.1%+120,00013F-HRTimeline
HighVista Strategies LLC113,031$15.1M3.43%-22313F-HRTimeline
Seven Fleet Capital Management LP111,334$14.8M2.45%+68,28213F-HRTimeline
Prosight Management, LP107,394$14.3M2.47%+2,39413F-HRTimeline
Verition Fund Management LLC105,791$14.1M0.1%+79,84313F-HR/ATimeline
TimesSquare Capital Management, LLC101,092$13.5M0.2%-8,09113F-HRTimeline
WELLS FARGO & COMPANY/MNin group WELLS FARGO & COMPANY/MN98,077$13.1M<0.01%+95,18113F-HRTimelineGroup
ACT CAPITAL MANAGEMENT, LLC97,000$12.9M8.44%+26,10013F-HRTimeline
SEI INVESTMENTS COin group SEI INVESTMENTS CO92,176$12.3M0.01%-2,04413F-HRTimelineGroup
D. E. Shaw & Co., Inc.in group D. E. Shaw & Co., Inc.90,357$12M0.01%+39,80713F-HRTimelineGroup
SEVEN GRAND MANAGERS, LLC90,000$12M0.48%+40,00013F-HRTimeline
TORONTO DOMINION BANKin group TORONTO DOMINION BANK88,331$11.8M0.02%new13F-HRTimelineGroup
IMC-Chicago, LLC87,392$11.6M0.11%-18,75113F-HRTimeline
ODDO BHF ASSET MANAGEMENT SAS81,496$10.9M0.5%013F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Qube Research & Technologies Ltd81,216$10.8M0.01%new13F-HRTimeline
Erste Asset Management GmbHin group Erste Asset Management GmbH110,000$10.6M0.08%+60,00013F-HRTimelineGroup
LPL Financial LLC78,999$10.5M<0.01%+3,63313F-HRTimeline
ANDERA PARTNERS78,125$10.4M5.04%013F-HRTimeline
FEDERATED HERMES, INC.in group FEDERATED HERMES, INC.77,900$10.4M0.01%-30,30013F-HRTimelineGroup
Optiver Holding B.V.in group Optiver Holding B.V.76,368$10.2M0.15%+71,83013F-HRTimelineGroup
PERCEPTIVE ADVISORS LLCin group PERCEPTIVE ADVISORS LLC74,000$9.86M0.15%-254,88413F-HRTimelineGroup
Apis Capital Advisors, LLC74,000$9.86M0.96%-54,80013F-HRTimeline
NWI MANAGEMENT LP72,000$9.6M0.61%new13F-HRTimeline
Quinn Opportunity Partners LLC66,045$8.8M0.41%+50,04513F-HRTimeline
Velan Capital Investment Management LP65,630$8.75M5.36%-11,37013F-HRTimeline
SummitTX Capital, L.P.65,216$8.69M0.23%new13F-HRTimeline
Alberta Investment Management Corp65,000$8.66M0.05%+20,00013F-HRTimeline
ENVESTNET ASSET MANAGEMENT INCin group ENVESTNET ASSET MANAGEMENT INC63,354$8.44M<0.01%+4,14513F-HRTimelineGroup
JANE STREET GROUP, LLCin group JANE STREET GROUP, LLC60,195$8.02M0.01%-33,94613F-HRTimelineGroup
Atle Fund Management AB58,170$7.75M2.09%+26,58013F-HRTimeline
SAMSARA BIOCAPITAL, LLC55,095$7.34M0.6%-1,48613F-HRTimeline
Senator Investment Group LP55,000$7.33M0.27%new13F-HRTimelineThe filing omitted confidential holdings, a later amendment may add them.
Diametric Capital, LP51,903$6.92M0.74%+41,90313F-HRTimeline
GEODE CAPITAL MANAGEMENT, LLCin group GEODE CAPITAL MANAGEMENT, LLC51,868$6.91M<0.01%+55613F-HRTimelineGroup
BNP PARIBAS ASSET MANAGEMENT Holding S.…in group BNP PARIBAS ASSET MANAGEMENT …47,460$6.32M0.01%-2,05613F-HRTimelineGroup
Exome Asset Management LLC46,878$6.25M3.85%new13F-HRTimeline
ROYCE & ASSOCIATES LP45,103$6.01M0.05%new13F-HRTimeline
Ghisallo Capital Management LLC48,000$6M0.12%new13F-HRTimeline
Persistent Asset Partners Ltd44,256$5.9M1.86%+21,41813F-HRTimeline
PFM Health Sciences, LP43,264$5.77M0.5%+16,60013F-HRTimeline
PSquared Asset Management AG41,200$5.49M1.8%+25,00013F-HRTimeline
MAVERICK CAPITAL LTD40,000$5.33M0.05%new13F-HRTimeline
Longaeva Partners L.P.40,000$5.33M0.15%new13F-HRTimeline
Diversify Advisory Services, LLCgroup of 2 filers holding41,634$5.33M+23,898Timeline
SYQUANT CAPITAL SAS39,500$5.26M1.18%-3,00013F-HRTimeline
ALPINE ASSOCIATES MANAGEMENT INC.38,500$5.13M0.32%new13F-HRTimeline
Walleye Capital LLCgroup of 2 filers holding38,422$5.12M+20,059Timeline
NOMURA ASSET MANAGEMENT CO LTDgroup of 3 filers holding37,244$4.96MnewTimeline
Knoll Capital Management, LLC35,000$4.66M2.6%new13F-HRTimeline
CenterBook Partners LP33,811$4.51M0.22%+25,37513F-HRTimeline
ExodusPoint Capital Management, LP31,209$4.16M0.04%-109,05313F-HRTimeline
LANDSCAPE CAPITAL MANAGEMENT, L.L.C.in group LANDSCAPE CAPITAL MANAGEMENT,…30,353$4.04M0.26%013F-HRTimelineGroup
GROUP ONE TRADING LLC29,767$3.97M0.11%-6,00013F-HRTimeline
PICTON MAHONEY ASSET MANAGEMENT27,712$3.69M0.03%new13F-HRTimeline
Marex Group Ltdin group Marex Group Ltd27,336$3.64M0.03%new13F-HRTimelineGroup
Atika Capital Management LLCin group Atika Capital Management LLC27,000$3.6M0.36%-1,80013F-HRTimelineGroup
ADAGE CAPITAL PARTNERS GP, L.L.C.in group ADAGE CAPITAL PARTNERS GP, L.…26,500$3.53M<0.01%-374,03913F-HRTimelineGroup
RTW INVESTMENTS, LP26,400$3.52M0.03%new13F-HRTimeline
Quantinno Capital Management LP25,437$3.39M<0.01%new13F-HRTimeline
GUGGENHEIM CAPITAL LLCin group GUGGENHEIM CAPITAL LLC24,583$3.28M0.02%-49113F-HRTimelineGroup
K2 PRINCIPAL FUND, L.P.24,403$3.25M0.3%-29,33813F-HRTimeline
Burkehill Global Management, LP24,000$3.2M0.12%new13F-HRTimeline
Alyeska Investment Group, L.P.in group Alyeska Investment Group, L.P.23,940$3.19M0.01%new13F-HRTimelineGroup
Russell Investments Group, Ltd.in group Russell Investments Group, Lt…22,970$3.06M<0.01%-42,30313F-HRTimelineGroup
MONIMUS CAPITAL MANAGEMENT, LP21,644$2.88M0.73%new13F-HRTimeline
Rosalind Advisors, Inc.20,869$2.78M1.04%new13F-HRTimeline
Beartown Capital Management, LLC20,000$2.67M1.18%new13F-HRTimeline
Voleon Capital Management LP19,715$2.63M0.05%-54,01113F-HRTimeline
KENNEDY CAPITAL MANAGEMENT LLC19,200$2.56M0.05%+10,44313F-HRTimeline
Virtu Financial LLCin group Virtu Financial LLC19,155$2.55M0.08%+9,60413F-HRTimelineGroup
Resolute Capital Asset Partners LLC17,500$2.33M1%new13F-HRTimeline
Atom Investors LP17,379$2.32M0.21%new13F-HRTimeline
Birchview Capital, LP17,000$2.27M1.06%new13F-HRTimeline
TD Asset Management Inc16,948$2.26M<0.01%-48,60013F-HRTimeline
Dorsey Wright & Associates16,645$2.22M0.38%-6,80713F-HRTimeline
BNP PARIBAS FINANCIAL MARKETSin group BNP PARIBAS FINANCIAL MARKETS15,710$2.09M<0.01%-24,65213F-HRTimelineGroup
SIH Partners, LLLPin group SIH Partners, LLLP15,564$2.07M0.09%new13F-HRTimelineGroup
LMR Partners LLPin group LMR Partners LLP15,357$2.05M0.02%-61,19513F-HRTimelineGroup
Greenland Capital Management LP15,000$2M0.38%+10,00013F-HRTimeline
SUMMIT SECURITIES GROUP LLC14,000$1.87M0.36%new13F-HRTimeline
OMERS ADMINISTRATION Corp13,000$1.73M0.01%new13F-HRTimeline
Rangeley Capital, LLC13,000$1.73M1.61%+9,00013F-HRTimeline
GAMCO Investors (Gabelli)group of 2 filers holding12,000$1.6M+4,550Timeline
ROYAL BANK OF CANADAin group ROYAL BANK OF CANADA11,839$1.58M<0.01%-3,28413F-HRTimelineGroup
FORA Capital, LLC11,758$1.57M0.11%-1,42813F-HRTimeline
CITIGROUP INCin group CITIGROUP INC10,061$1.34M<0.01%+8,33213F-HRTimelineGroup
AdvisorShares Investments LLC9,766$1.3M0.16%-2,03613F-HRTimeline
MANUFACTURERS LIFE INSURANCE COMPANY, T…in group MANUFACTURERS LIFE INSURANCE …9,630$1.28M<0.01%-28,96513F-HRTimelineGroup
LORD, ABBETT & CO. LLC9,500$1.27M<0.01%-845,42013F-HRTimeline
VOYA INVESTMENT MANAGEMENT LLCin group VOYA INVESTMENT MANAGEMENT LLC9,295$1.24M<0.01%-9,20513F-HRTimelineGroup
HARVEY CAPITAL MANAGEMENT INC9,280$1.24M0.25%+4,98013F-HR/ATimelineThe filing omitted confidential holdings, a later amendment may add them.
China Universal Asset Management Co., L…9,225$1.23M0.07%-3,67813F-HRTimeline
IRIDIAN ASSET MANAGEMENT LLC/CT9,165$1.22M0.42%new13F-HRTimeline
Schonfeld Strategic Advisors LLC8,918$1.19M0.01%-5,39513F-HRTimeline
Mirae Asset Global Investments Co., Ltd.group of 2 filers holding8,614$1.15M+3,601Timeline
Cetera Investment Advisers8,114$1.08M<0.01%+85413F-HRTimeline
Crossmark Global Holdings, Inc.7,909$1.05M0.01%+3,83213F-HRTimeline
Mariner, LLCin group Mariner, LLC7,855$1.05M<0.01%-3,15113F-HRTimelineGroup
T3 Companies, LLCin group T3 Companies, LLC7,815$1.04M1.19%+2,11513F-HRTimelineGroup
STIFEL FINANCIAL CORPin group STIFEL FINANCIAL CORP7,703$1.03M<0.01%-3,07413F-HRTimelineGroup
FNY Investment Advisers, LLC7,605$1.01M0.37%+54913F-HRTimeline
Covestor Ltd6,774$902K0.52%+5,88313F-HRTimeline
MARK ASSET MANAGEMENT LP6,452$860K0.09%new13F-HRTimeline
Bellevue Group AGin group Bellevue Group AG6,397$852K0.02%+5,34913F-HRTimelineGroup
TRUIST FINANCIAL CORPin group TRUIST FINANCIAL CORP6,194$825K<0.01%+32713F-HRTimelineGroup
Tower Research Capital LLC (TRC)in group Tower Research Capital LLC (T…6,172$822K0.02%+5,50213F-HRTimelineGroup
TWO SIGMA SECURITIES, LLC6,070$809K0.07%+2,13413F-HRTimeline
Atria Investments, Inc5,608$747K0.01%-38413F-HRTimeline
J. Goldman & Co LP5,446$726K0.03%-7,30313F-HRTimeline
Jump Financial, LLCin group Jump Financial, LLC5,424$723K0.01%new13F-HRTimelineGroup
Sanctuary Advisors, LLC5,300$706K<0.01%+3,05313F-HRTimeline
Cannon Global Investment Management, LLC5,300$706K2.13%-70013F-HRTimeline
ELEVATION POINT WEALTH PARTNERS, LLC5,256$700K0.01%-47413F-HRTimeline
AlphaCentric Advisors LLC5,141$685K0.58%+1,71713F-HRTimeline
Burns Matteson Capital Management, LLC5,105$680K0.22%-14413F-HRTimeline
Point72 Asset Management, L.P.in group Point72 Asset Management, L.P.5,028$670K<0.01%-632,70813F-HRTimelineGroup
BARCLAYS PLCin group BARCLAYS PLC4,899$653K<0.01%-85,87613F-HRTimelineGroup
Jefferies Financial Group Inc.in group Jefferies Financial Group Inc.4,771$636K0.01%-5,38213F-HRTimelineGroup
SBI Okasan Asset Management Co.Ltd.6,500$625K0.02%013F-HRTimeline
Colonial River Investments, LLC4,658$621K0.18%+61713F-HRTimeline
HIMENSION CAPITAL (SINGAPORE) PTE. LTD.4,591$612K0.04%-5,06813F-HRTimeline
Centiva Capital, LP4,512$601K0.02%-52,63813F-HRTimeline
OPPENHEIMER ASSET MANAGEMENT INC.in group OPPENHEIMER ASSET MANAGEMENT …4,477$597K0.01%-1913F-HRTimelineGroup
MML INVESTORS SERVICES, LLC4,332$577K<0.01%new13F-HRTimeline
JPMORGAN CHASE & COin group JPMORGAN CHASE & CO5,717$550K<0.01%-629,34913F-HRTimelineGroup
PRELUDE CAPITAL MANAGEMENT, LLC4,089$545K0.04%+55813F-HRTimeline
PNC Financial Services Group, Inc.in group PNC Financial Services Group,…3,769$502K<0.01%+313F-HRTimelineGroup
PANAGORA ASSET MANAGEMENT INC3,653$487K<0.01%new13F-HRTimeline
STATE STREET CORPin group STATE STREET CORP4,860$467K<0.01%-14713F-HRTimelineGroup
Vontobel Holding Ltd.in group Vontobel Holding Ltd.3,448$459K<0.01%new13F-HRTimelineGroup
CHARLES SCHWAB INVESTMENT MANAGEMENT INCin group Charles Schwab Trust Co3,321$443K<0.01%new13F-HRTimelineGroup
PERSONAL CFO SOLUTIONS, LLC3,313$441K0.06%+28613F-HRTimeline