ABVXABIVAX Société Anonyme

$116.50

Who owns ABVX

250 institutions reported holding ABVX for 2026Q1, together 69% of the company, more than the 246 a quarter earlier.

250

Institutions reporting a position · as of 2026Q1 · up from 246 the quarter before

Shares held by institutions
50.0M

Shares held by institutions · 69% of the company · long US equity positions only, as reported on Form 13F

Reported value
$5.53B

Reported value · at 2026-03-31 prices, not today's

Top 5 holders
24%

Top 5 holders · of the whole company, between five filers

Details
Reporting quarter2026-03-31
2026Q1
Quarters on record
10
New positions
51
Positions exited
46
Added to
109
Reduced
73
Top 10 holdersof the company
33%
Institutional ownership by quarter, 2023Q4 to 2026Q1
QuarterFilersSharesReported value
2026Q125050.0M$5.53B
2025Q424656.3M$7.61B
2025Q316552.0M$4.41B
2025Q24330.7M$235M
2025Q14631.8M$199M
2024Q44829.9M$219M
2024Q34027.4M$313M
2024Q23828.1M$372M
2024Q13623.4M$334M
2023Q43021.3M$228M
Largest reported holders, 2026Q1
HolderShares% of companyValue
TCG Crossover Management, LLC6.5M8.9%$722M
UBS Group AG4.5M6.2%$506M
Darwin Global Management, Ltd.3.5M4.8%$352M
MORGAN STANLEY1.7M2.3%$190M
Vestal Point Capital, LP1.5M2.1%$167M
Caligan Partners LP1.5M2.0%$163M
ADAR1 Capital Management, LLC1.4M1.9%$155M
WESTFIELD CAPITAL MANAGEMENT CO LP1.3M1.8%$147M
FMR LLC1.3M1.8%$143M
Helikon Investments Ltd1.0M1.4%$113M

SEC Form 13F data sets (DERA bulk files). 13F is quarterly, filed up to 45 days late, and covers long US equity positions only, no shorts, no derivatives, nothing held below the reporting threshold.

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