Western Standard LLC

Position in ABVX — Abivax S.A.

CIK 1517666 Los Angeles, CA

Position in ABVX

as of Jun 30, 2026 · filed Aug 10, 2026 Compact

Position Value

$26,652,000

New position

Shares Held

200,000

first reported quarter

Ownership

0.229%

of shares outstanding

% of Portfolio

9.01%

of 13F equity value

Holder Rank

#54

of 301 holders

Holding Since

Jun 2026

1 quarter on record

Voting authority Sole 100% Shared 0% None 0%

Healthcare · as of Jun 30, 2026

Western Standard LLC holds $33,710,627 across 3 Biotechnology names. ABVX ranks #1 (79.1% of the industry book) .

#	Ticker	Company	Shares	Value (USD)
1	ABVX	Abivax S.A. This page	200,000	$26,652,000
2	INBX	Inhibrx Biosciences, Inc.	47,000	$4,453,250
3	ABUS	Arbutus Biopharma Corp	542,787	$2,605,377

1 filing row on record

Report Date	Value (USD)	Shares	Change	Type	Discretion	Filed
2026-06-30	$26,652,000	200,000	—	Shares	Sole	2026-08-10
No filing history on record for this holder in this stock.