Tamarly Intelligence
Form 13F · Abivax S.A.

Who Holds Abivax S.A. (ABVX)? 302 Institutional Holders, Q2 2026

Managers with more than $100 million in US equities report their holdings on Form 13F within 45 days of each quarter end. Quarter ended 30 Jun 2026: 302 holders, $7.1 billion in total.

Largest holders

The 100 largest by value. Change in shares against Q1 2026.

ManagerSharesValueChange
TCG Crossover Management, LLC6,007,834$801 million-7%13F
Helikon Investments Ltd2,787,131$371 million+175%13F
Darwin Global Management, Ltd.3,621,583$348 million+4%13F
Vestal Point Capital, LP2,349,443$313 million+57%13F
Jupiter Topco LLC1,913,933$255 millionNew13F
UBS Group AG1,844,918$246 million-59%13F
ADAR1 Capital Management, LLC1,804,703$240 million+29%13F
Caligan Partners LP1,557,924$208 million+7%13F
CITADEL ADVISORS LLC1,438,352$192 million+164%13F
MORGAN STANLEY1,432,185$191 million-16%13F
WESTFIELD CAPITAL MANAGEMENT CO LP1,309,825$175 million-1%13F
RA CAPITAL MANAGEMENT, L.P.1,132,557$151 millionNew13F
NORGES BANK1,100,000$147 millionNew13F
SUSQUEHANNA INTERNATIONAL GROUP, LLP1,053,896$140 million+176%13F
Logos Global Management LP1,024,000$136 million+52%13F
Octagon Capital Advisors LP993,000$132 million+47%13F
BANK OF AMERICA CORP /DE/971,439$129 million+32%13F
Eversept Partners, LP913,880$122 million-2%13F
GOLDMAN SACHS GROUP INC792,712$106 million+127%13F
Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A.765,332$102 million0%13F
Cormorant Asset Management, LP675,000$90 million-11%13F
Boxer Capital Management, LLC605,000$81 million+203%13F
Balyasny Asset Management L.P.603,840$80 million+183%13F
Siren, L.L.C.576,000$77 millionNew13F
BlackRock, Inc.574,061$76 million+34%13F
BOOTHBAY FUND MANAGEMENT, LLC563,367$75 million+19%13F
ORBIMED ADVISORS LLC546,522$73 million+17%13F
Aberdeen Group plc522,025$70 million+21%13F
Saturn V Capital Management LP518,865$69 million-4%13F
Artia Global Partners LP516,447$69 million-14%13F
Ensign Peak Advisors, Inc504,471$67 million-20%13F
Pictet Asset Management Holding SA492,068$66 million+375%13F
First Turn Management, LLC489,889$65 million+5%13F
Holocene Advisors, LP418,657$56 million+62%13F
Vivo Capital, LLC414,899$55 million+73%13F
SUMMIT PARTNERS PUBLIC ASSET MANAGEMENT, LLC410,000$55 millionNew13F
EVENTIDE ASSET MANAGEMENT, LLC394,957$53 million+23%13F
MPM BIOIMPACT LLC336,347$45 million+214%13F
Affinity Asset Advisors, LLC330,000$44 million-19%13F
Ikarian Capital, LLC328,635$43 million+470%13F
Melqart Asset Management (UK) Ltd307,250$41 millionNew13F
Kite Lake Capital Management (UK) LLP300,600$40 million+201%13F
FRANKLIN RESOURCES INC299,754$40 million-22%13F
STEMPOINT CAPITAL LP283,657$38 million-10%13F
PRINCIPAL FINANCIAL GROUP INC257,678$34 million-17%13F
Two Seas Capital LP244,590$33 millionNew13F
READYSTATE ASSET MANAGEMENT LP241,530$32 million+20%13F
MILLENNIUM MANAGEMENT LLC233,740$31 million-61%13F
Woodline Partners LP226,966$30 million+0%13F
Patient Square Capital LP206,500$28 million+70%13F
GREAT POINT PARTNERS LLC204,314$27 millionNew13F
Western Standard LLC200,000$27 millionNew13F
JENNISON ASSOCIATES LLC196,524$26 million-7%13F
FMR LLC191,689$26 million-85%13F
TUDOR INVESTMENT CORP ET AL187,335$25 million+84%13F
FINDELL CAPITAL MANAGEMENT LLC185,000$25 million+76%13F
SILVERARC CAPITAL MANAGEMENT, LLC169,593$23 million-44%13F
DIADEMA PARTNERS LP163,644$22 million+115%13F
Focus Partners Wealth161,874$22 millionNew13F
Creek Drive Management Group LLC157,500$21 million+2%13F
NAN FUNG TRINITY (HK) LTD142,083$19 million+10%13F
Nantahala Capital Management, LLC133,759$18 million-3%13F
APEIRON CAPITAL Ltd130,600$17 millionNew13F
AMERIPRISE FINANCIAL INC129,816$17 million+56%13F
WELLINGTON MANAGEMENT GROUP LLP123,289$16 millionNew13F
DG Capital Management, LLC122,267$16 millionNew13F
FARALLON CAPITAL MANAGEMENT, L.L.C.122,000$16 million+6000%13F
HighVista Strategies LLC113,031$15 million0%13F
Seven Fleet Capital Management LP111,334$15 million+159%13F
Prosight Management, LP107,394$14 million+2%13F
Verition Fund Management LLC105,791$14 million+308%13F
TimesSquare Capital Management, LLC101,092$13 million-7%13F
WELLS FARGO & COMPANY/MN98,077$13 million+3287%13F
ACT CAPITAL MANAGEMENT, LLC97,000$13 million+37%13F
SEI INVESTMENTS CO92,176$12 million-2%13F
D. E. Shaw & Co., Inc.90,357$12 million+79%13F
SEVEN GRAND MANAGERS, LLC90,000$12 million+80%13F
TORONTO DOMINION BANK88,331$12 millionNew13F
IMC-Chicago, LLC87,392$12 million-18%13F
ODDO BHF ASSET MANAGEMENT SAS81,496$11 million+0%13F
Qube Research & Technologies Ltd81,216$11 millionNew13F
Erste Asset Management GmbH110,000$11 million+120%13F
LPL Financial LLC78,999$11 million+5%13F
ANDERA PARTNERS78,125$10 million+0%13F
FEDERATED HERMES, INC.77,900$10 million-28%13F
Optiver Holding B.V.76,368$10 million+1583%13F
PERCEPTIVE ADVISORS LLC74,000$10 million-77%13F
Apis Capital Advisors, LLC74,000$10 million-43%13F
Quinn Opportunity Partners LLC66,045$9 million+313%13F
Velan Capital Investment Management LP65,630$9 million-15%13F
SummitTX Capital, L.P.65,216$9 millionNew13F
Alberta Investment Management Corp65,000$9 million+44%13F
ENVESTNET ASSET MANAGEMENT INC63,354$8 million+7%13F
JANE STREET GROUP, LLC60,195$8 million-36%13F
Atle Fund Management AB58,170$8 million+84%13F
SAMSARA BIOCAPITAL, LLC55,095$7 million-3%13F
Senator Investment Group LP55,000$7 millionNew13F
Diametric Capital, LP51,903$7 million+419%13F
GEODE CAPITAL MANAGEMENT, LLC51,868$7 million+1%13F
BNP PARIBAS ASSET MANAGEMENT Holding S.A.47,460$6 million-4%13F

Questions and answers

How many institutions hold Abivax S.A.?
302 managers reported Abivax S.A. on Form 13F for the quarter ended 30 June 2026, against 254 the quarter before.
Who is the largest institutional holder of Abivax S.A.?
TCG Crossover Management, LLC, with 6,007,834 shares worth $801 million on its 13F for Q2 2026.
How many institutions bought or sold out of Abivax S.A. in Q2 2026?
91 managers reported a new position and 43 reported none after holding it the quarter before.
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Source: SEC EDGAR, Form 13F (public domain). Counts and values as filed. Cite this page: Tamarly Intelligence, "Who holds Abivax S.A., Q2 2026", https://app.tamarly.ai/holders/abivax, built from SEC EDGAR.

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Who Holds Abivax S.A. (ABVX)? 302 Institutional Holders, Q2 2026 | Tamarly