Who Owns ABIVAX SA (ABVX)? -- Institutional Holders (2026-06-30)

349 institutions reported holding $8.90B of ABIVAX SA (ABVX) in SEC 13F filings for 2026-06-30. Largest institutional holders: TCG Crossover Management, LLC ($800.6M), SUSQUEHANNA INTERNATIONAL GROUP, LLP ($619.4M), CITADEL ADVISORS LLC ($565.5M), Helikon Investments Ltd ($371.4M), Darwin Global Management, Ltd. ($348.2M). Source: SEC Form 13F.

Rank	Institution	Value	Shares	Change
1	TCG Crossover Management, LLC	$800.6M	6.0M	Trimmed
2	SUSQUEHANNA INTERNATIONAL GROUP, LLP	$619.4M	4.6M	Added
3	CITADEL ADVISORS LLC	$565.5M	4.2M	Added
4	Helikon Investments Ltd	$371.4M	2.8M	Added
5	Darwin Global Management, Ltd.	$348.2M	3.6M	Added
6	Vestal Point Capital, LP	$313.1M	2.3M	Added
7	Jupiter Topco LLC	$255.1M	1.9M	New
8	UBS Group AG	$247.9M	1.9M	Trimmed
9	ADAR1 Capital Management, LLC	$246.4M	1.8M	Added
10	Caligan Partners LP	$207.6M	1.6M	Added
11	MORGAN STANLEY	$190.9M	1.4M	Trimmed
12	WESTFIELD CAPITAL MANAGEMENT CO LP	$174.5M	1.3M	Trimmed
13	RA CAPITAL MANAGEMENT, L.P.	$150.9M	1.1M	New
14	NORGES BANK	$146.6M	1.1M	New
15	Logos Global Management LP	$136.5M	1.0M	Added
16	Octagon Capital Advisors LP	$132.3M	993,000	Added
17	BANK OF AMERICA CORP /DE/	$129.5M	971,439	Added
18	Ikarian Capital, LLC	$122.1M	919,735	Added
19	Eversept Partners, LP	$121.8M	913,880	Trimmed
20	GOLDMAN SACHS GROUP INC	$105.6M	792,712	Added
21	Nationale-Nederlanden Powszechne Towarzystwo Emerytalne S.A.	$102.0M	765,332	Trimmed
22	DIADEMA PARTNERS LP	$101.8M	765,244	Added
23	BOOTHBAY FUND MANAGEMENT, LLC	$99.7M	748,467	Added
24	ORBIMED ADVISORS LLC	$99.5M	746,522	Added
25	LMR Partners LLP	$94.8M	711,657	Added

Source: SEC Form 13F filings · as of 2026-06-30