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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, Q1 2025

Institutional positions in Abivax S.A. as of Mar 31, 2025. 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
46
−2 vs. Q4 2024
Shares held
31.8M
+1.90M (+6.4%) vs. Q4 2024
Total value
$198.5M
−$20.1M (−9.2%) vs. Q4 2024
New holders
8
18 more added
Sold out
10
11 more reduced

Compare with Q4 2024: 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 holdersQ1 2025: 46 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 heldQ1 2025: $198.5M
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, Q1 2025

Shares, value and share of portfolio for each institution holding Abivax S.A.; share changes are against Q4 2024.

Institutions holding ABVX in Q1 2025
InstitutionSharesValue% of portfolioChange in sharesAction
TCG Crossover Management, LLC6,056,596$37.9M5.16%00.0%Unchanged
Deep Track Capital, LP3,579,209$22.4M0.72%00.0%Unchanged
ADAR1 Capital Management, LLC2,210,019$13.8M2.66%+696,626+46.0%Added
Cormorant Asset Management, LP2,130,000$13.3M1.01%00.0%Unchanged
Great Point Partners LLC1,638,111$10.2M5.57%−10,412−0.6%Reduced
Nantahala Capital Management, LLC1,482,994$9.27M0.77%+46,947+3.3%Added
Citadel Advisors LLC1,373,860$8.59M0.01%+518,184+60.6%Added
Franklin Resources Inc1,371,050$8.57M0.00%−95,012−6.5%Reduced
VR Adviser, LLC1,345,780$8.41M0.72%00.0%Unchanged
Caligan Partners LP1,269,119$7.93M1.66%+516,952+68.7%Added
Octagon Capital Advisors LP1,230,000$7.69M1.67%+1,230,000New
Allostery Investments LP1,099,654$6.87M9.91%+508,401+86.0%Added
Millennium Management LLC987,414$6.17M0.01%+56,235+6.0%Added
JPMorgan Chase & Co907,679$5.67M0.00%+178,760+24.5%Added
Standard Life Aberdeen plc710,516$4.44M0.01%+286,335+67.5%Added
Boothbay Fund Management, LLC570,668$3.57M0.13%+163,765+40.2%Added
Saturn V Capital Management LLC552,926$3.46M1.74%−100,145−15.3%Reduced
Morgan Stanley497,153$3.11M0.00%+17,827+3.7%Added
Ensign Peak Advisors, Inc455,684$2.85M0.01%+455,684New
Samsara BioCapital, LLC425,000$2.66M0.47%−425,000−50.0%Reduced
Kennedy Capital Management, Inc.225,191$1.41M0.03%−279−0.1%Reduced
Walleye Capital LLC220,845$1.38M0.02%−81,797−27.0%Reduced
Silverarc Capital Management, LLC210,901$1.32M0.28%−74,219−26.0%Reduced
Woodline Partners LP201,924$1.26M0.01%+153,788+319.5%Added
Affinity Asset Advisors, LLC200,000$1.25M0.20%+200,000New
Citigroup Inc184,239$1.15M0.00%+184,239New
UBS Group AG162,554$1.02M0.00%−12,319−7.0%Reduced
Soleus Capital Management, L.P.125,000$781.3K0.06%00.0%Unchanged
Marshall Wace, LLP74,841$467.8K0.00%+74,841New
Shay Capital LLC52,829$330.2K0.10%+2,800+5.6%Added
HighVista Strategies LLC49,064$306.6K0.12%00.0%Unchanged
Paloma Partners Management Co38,449$240.3K0.04%+38,449New
Point72 Asset Management, L.P.29,418$183.9K0.00%−61,882−67.8%Reduced
Ameriprise Financial Inc19,000$118.8K0.00%+7,332+62.8%Added
Geode Capital Management, LLC16,749$104.7K0.00%00.0%Unchanged
Guggenheim Capital LLC13,792$86.2K0.00%+1,280+10.2%Added
BNP Paribas Arbitrage, SA11,446$71.5K0.00%−7,798−40.5%Reduced
Bank of America Corp10,706$66.9K0.00%+5,170+93.4%Added
Cubist Systematic Strategies, LLC10,152$63.5K0.00%+2,595+34.3%Added
Hurley Capital, LLC3,015$18.8K0.01%+3,015New
GAMMA Investing LLC3,013$18.8K0.00%−963−24.2%Reduced
Covestor Ltd2,660$17.0K0.01%+2,660New
Barclays PLC1,478$9.24K0.00%+383+35.0%Added
Rhumbline Advisers738$4.61K0.00%+32+4.5%Added
Financial Management Professionals, Inc.100$6250.00%00.0%Unchanged
Principal Securities, Inc.10$730.00%00.0%Unchanged
Commodore Capital LP0$00.00%−1,284,110−100.0%Sold out
Blackstone Group Inc.0$00.00%−936,607−100.0%Sold out
Springhill Fund Asset Management (HK) Co Ltd0$00.00%−207,600−100.0%Sold out
Atika Capital Management LLC0$00.00%−103,929−100.0%Sold out
Two Sigma Investments, LP0$00.00%−19,736−100.0%Sold out
Stonepine Capital Management, LLC0$00.00%−15,000−100.0%Sold out
HighTower Advisors, LLC0$00.00%−10,000−100.0%Sold out
R Squared Ltd0$00.00%−4,950−100.0%Sold out
Advisor Group Holdings, Inc.0$00.00%−25−100.0%Sold out
Royal Bank of Canada0$00.00%−37−100.0%Sold out