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Abivax S.A.

ABVX
Exchange
Nasdaq
Industry
Pharmaceutical Preparations
SEC CIK
0001956827

No open-market purchases or sales by Abivax S.A. insiders were filed in the last 90 days; 303 institutions reported holding it in 13F filings for Q2 2026, worth $7.18B in total; Maverick Capital is the only superinvestor holding it.

Other share classesAAVXF

13F holders, Q2 2026

Institutional positions in Abivax S.A. as of Jun 30, 2026. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
303
+52 vs. Q1 2026
Shares held
54.9M
+5.79M (+11.8%) vs. Q1 2026
Total value
$7.18B
+$1.75B (+32.2%) vs. Q1 2026
New holders
92
97 more added
Sold out
40
102 more reduced

3 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting ABVX on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ2 2026: 303 institutions
Q1 2021: 0 institutionsQ2 2021: 0 institutionsQ3 2021: 0 institutionsQ4 2021: 0 institutionsQ1 2022: 0 institutionsQ2 2022: 0 institutionsQ3 2022: 0 institutionsQ4 2022: 0 institutionsQ1 2023: 0 institutionsQ2 2023: 0 institutionsQ3 2023: 0 institutionsQ4 2023: 30 institutionsQ1 2024: 36 institutionsQ2 2024: 38 institutionsQ3 2024: 40 institutionsQ4 2024: 48 institutionsQ1 2025: 46 institutionsQ2 2025: 43 institutionsQ3 2025: 165 institutionsQ4 2025: 247 institutionsQ1 2026: 254 institutionsQ2 2026: 303 institutions
Value heldQ2 2026: $7.18B
Q1 2021: $0Q2 2021: $0Q3 2021: $0Q4 2021: $0Q1 2022: $0Q2 2022: $0Q3 2022: $0Q4 2022: $0Q1 2023: $0Q2 2023: $0Q3 2023: $0Q4 2023: $227.8MQ1 2024: $334.2MQ2 2024: $371.6MQ3 2024: $312.8MQ4 2024: $218.6MQ1 2025: $198.5MQ2 2025: $234.6MQ3 2025: $4.41BQ4 2025: $7.61BQ1 2026: $5.53BQ2 2026: $7.18B
Institutions holding ABVX and their total value by quarter
QuarterHoldersValue
Q2 2026303$7.18B
Q1 2026254$5.53B
Q4 2025247$7.61B
Q3 2025165$4.41B
Q2 202543$234.6M
Q1 202546$198.5M
Q4 202448$218.6M
Q3 202440$312.8M
Q2 202438$371.6M
Q1 202436$334.2M
Q4 202330$227.8M
Q3 20230$0
Q2 20230$0
Q1 20230$0
Q4 20220$0
Q3 20220$0
Q2 20220$0
Q1 20220$0
Q4 20210$0
Q3 20210$0
Q2 20210$0
Q1 20210$0

Institutions, Q2 2026

Shares, value and share of portfolio for each institution holding Abivax S.A.; share changes are against Q1 2026.

Institutions holding ABVX in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Charles Schwab Investment Management Inc3,321$442.6K0.00%+3,321New
Nomura Asset Management Co Ltd3,344$445.6K0.00%+3,344New
Vontobel Holding Ltd.3,448$459.5K0.00%+3,448New
State Street Corp4,860$467.3K0.00%−147−2.9%Reduced
Panagora Asset Management Inc3,653$486.8K0.00%+3,653New
The PNC Financial Services Group, Inc.3,769$502.3K0.00%+3+0.1%Added
Nomura Holdings Inc3,900$519.7K0.00%+3,900New
Prelude Capital Management, LLC4,089$544.9K0.04%+558+15.8%Added
JPMorgan Chase & Co5,717$549.8K0.00%−629,349−99.1%Reduced
MML Investors Services, LLC4,332$577.3K0.00%+4,332New
Oppenheimer Asset Management Inc.4,477$596.6K0.01%−19−0.4%Reduced
Centiva Capital, LP4,512$601.3K0.02%−52,638−92.1%Reduced
Himension Fund4,591$611.8K0.04%−5,068−52.5%Reduced
Colonial River Wealth Management, LLC4,658$620.7K0.18%+617+15.3%Added
SBI Okasan Asset Management Co.Ltd.6,500$625.0K0.02%00.0%Unchanged
Jefferies Financial Group Inc.4,771$635.8K0.01%−5,382−53.0%Reduced
Barclays PLC4,899$652.8K0.00%−85,876−94.6%Reduced
Point72 Asset Management, L.P.5,028$670.0K0.00%−632,708−99.2%Reduced
Burns Matteson Capital Management, LLC5,105$680.3K0.22%−144−2.7%Reduced
AlphaCentric Advisors LLC5,141$685.1K0.58%+1,717+50.1%Added
Mount Yale Investment Advisors, LLC5,256$700.4K0.01%−474−8.3%Reduced
Cannon Global Investment Management, LLC5,300$706.3K2.13%−700−11.7%Reduced
Sanctuary Advisors, LLC5,300$706.3K0.00%+3,053+135.9%Added
Jump Financial, LLC5,424$722.8K0.01%+5,424New
J. Goldman & Co LP5,446$725.7K0.03%−7,303−57.3%Reduced
Atria Investments LLC5,608$747.3K0.01%−384−6.4%Reduced
Mirae Asset Global ETFs Holdings Ltd.5,742$765.2K0.00%+729+14.5%Added
Two Sigma Securities, LLC6,070$808.9K0.07%+2,134+54.2%Added
Tower Research Capital LLC (TRC)6,172$822.5K0.02%+5,502+821.2%Added
Truist Financial Corp6,194$825.4K0.00%+327+5.6%Added
Bellevue Group AG6,397$852.5K0.02%+5,349+510.4%Added
Mark Asset Management LP6,452$859.8K0.09%+6,452New
Covestor Ltd6,774$902.0K0.52%+5,883+660.3%Added
Walleye Trading LLC6,790$904.8K0.01%−2,979−30.5%Reduced
FNY Investment Advisers, LLC7,605$1.01M0.37%+549+7.8%Added
Stifel Financial Corp7,703$1.03M0.00%−3,074−28.5%Reduced
T3 Companies, LLC7,815$1.04M1.19%+2,115+37.1%Added
Mariner, LLC7,855$1.05M0.00%−3,151−28.6%Reduced
Crossmark Global Holdings, Inc.7,909$1.05M0.01%+3,832+94.0%Added
Cetera Investment Advisers8,114$1.08M0.00%+854+11.8%Added
Schonfeld Strategic Advisors LLC8,918$1.19M0.01%−5,395−37.7%Reduced
Iridian Asset Management LLC9,165$1.22M0.42%+9,165New
China Universal Asset Management Co., Ltd.9,225$1.23M0.07%−3,678−28.5%Reduced
Harvey Capital Management Inc9,280$1.24M0.25%+4,980+115.8%Added
Voya Investment Management LLC9,295$1.24M0.00%−9,205−49.8%Reduced
Lord, Abbett & Co. LLC9,500$1.27M0.00%−845,420−98.9%Reduced
Manufacturers Life Insurance Company, The9,630$1.28M0.00%−28,965−75.0%Reduced
AdvisorShares Investments LLC9,766$1.30M0.16%−2,036−17.3%Reduced
Gabelli Funds LLC10,000$1.33M0.01%+2,550+34.2%Added
Citigroup Inc10,061$1.34M0.00%+8,332+481.9%Added
FORA Capital, LLC11,758$1.57M0.11%−1,428−10.8%Reduced
Royal Bank of Canada11,839$1.58M0.00%−3,284−21.7%Reduced
Rangeley Capital, LLC13,000$1.73M1.69%+9,000+225.0%Added
Omers Administration Corp13,000$1.73M0.01%+13,000New
Clear Street Markets LLC14,000$1.87M0.36%+14,000New
Greenland Capital Management LP15,000$2.00M0.38%+10,000+200.0%Added
LMR Partners LLP15,357$2.05M0.02%−61,195−79.9%Reduced
SIH Partners, LLLP15,564$2.07M0.09%+15,564New
BNP Paribas Arbitrage, SA15,710$2.09M0.00%−24,652−61.1%Reduced
Dorsey Wright & Associates16,645$2.22M0.38%−6,807−29.0%Reduced
TD Asset Management Inc16,948$2.26M0.00%−48,600−74.1%Reduced
Birchview Capital, LP17,000$2.27M1.06%+17,000New
Atom Investors LP17,379$2.32M0.21%+17,379New
Resolute Capital Asset Partners LLC17,500$2.33M1.00%+17,500New
Virtu Financial LLC19,155$2.55M0.08%+9,604+100.6%Added
Kennedy Capital Management, Inc.19,200$2.56M0.05%+10,443+119.3%Added
Voleon Capital Management LP19,715$2.63M0.05%−54,011−73.3%Reduced
Diversify Wealth Management, LLC20,817$2.66M0.04%+3,081+17.4%Added
Diversify Advisory Services, LLC20,817$2.66M0.04%+20,817New
Beartown Capital Management, LLC20,000$2.67M1.18%+20,000New
Rosalind Advisors, Inc.20,869$2.78M1.04%+20,869New
Monimus Capital Management, LP21,644$2.88M0.73%+21,644New
Russell Investments Group, Ltd.22,970$3.06M0.00%−42,303−64.8%Reduced
Alyeska Investment Group, L.P.23,940$3.19M0.01%+23,940New
Burkehill Global Management, LP24,000$3.20M0.12%+24,000New
K2 Principal Fund, L.P.24,403$3.25M0.30%−29,338−54.6%Reduced
Guggenheim Capital LLC24,583$3.28M0.02%−491−2.0%Reduced
Quantinno Capital Management LP25,437$3.39M0.00%+25,437New
RTW Investments, LP26,400$3.52M0.03%+26,400New
Adage Capital Partners GP, L.L.C.26,500$3.53M0.00%−374,039−93.4%Reduced
Atika Capital Management LLC27,000$3.60M0.36%−1,800−6.3%Reduced
Marex Group plc27,336$3.64M0.03%+27,336New
Picton Mahoney Asset Management27,712$3.69M0.03%+27,712New
Group One Trading, L.P.29,767$3.97M0.11%−6,000−16.8%Reduced
Nomura Asset Management International Inc.30,000$4.00M0.01%+30,000New
Landscape Capital Management, L.L.C.30,353$4.04M0.26%00.0%Unchanged
ExodusPoint Capital Management, LP31,209$4.16M0.04%−109,053−77.7%Reduced
Walleye Capital LLC31,632$4.22M0.02%+23,038+268.1%Added
CenterBook Partners LP33,811$4.51M0.22%+25,375+300.8%Added
Knoll Capital Management, LLC35,000$4.66M2.24%+35,000New
Alpine Associates Management Inc.38,500$5.13M0.32%+38,500New
Syquant Capital SAS39,500$5.26M1.18%−3,000−7.1%Reduced
Maverick Capital LtdSuperinvestorMaverick Capital40,000$5.33M0.05%+40,000New
Longaeva Partners L.P.40,000$5.33M0.15%+40,000New
PSquared Asset Management AG41,200$5.49M1.80%+25,000+154.3%Added
PFM Health Sciences, LP43,264$5.77M0.50%+16,600+62.3%Added
Persistent Asset Partners Ltd44,256$5.90M1.86%+21,418+93.8%Added
Ghisallo Capital Management LLC48,000$6.00M0.12%+48,000New
Royce & Associates LP45,103$6.01M0.05%+45,103New
Exome Asset Management LLC46,878$6.25M3.85%+46,878New