Abivax Ownership | Who Owns Abivax?

Abivax Ownership Summary

Abivax is owned by 11.07% institutional investors, and 88.93% retail investors. Tcg crossover management is the largest institutional shareholder, holding 11.22% of ABVX shares.

ABVX Ownership Benchmark

Type	Name	% Inst	% Insiders	% Retail
Stock	Abivax	11.07%	-	88.93%
Sector	Healthcare Stocks	232.01%	10.74%	-142.75%
Industry	Biotech Stocks	381.47%	10.55%	-292.02%

Institutional Shareholders

Top Institutional Shareholders by Total Shares

Holder	Shares	% Holding	Value
Tcg crossover management	7.11M	11.22%	$603.77M
Ubs group	4.42M	6.98%	$596.59M
Darwin global management	3.16M	4.99%	$263.70M
Morgan stanley	3.15M	4.97%	$425.06M
Point72 asset management	2.93M	4.61%	$248.36M
Cormorant asset management, lp	1.95M	3.08%	$165.56M
Paradigm biocapital advisors lp	1.56M	2.47%	$132.80M
Caligan partners lp	1.45M	2.29%	$123.27M
Fmr	1.43M	2.26%	$121.46M
Adar1 capital management	1.35M	2.13%	$114.69M

Top Institutional Shareholders by % of Total Assets

Holder	Shares	% Assets	Value
Tcg crossover management	7.11M	29.70%	$603.77M
Octagon capital advisors lp	1.32M	17.05%	$112.49M
Allostery investments lp	167.35K	16.31%	$1.28M
Caligan partners lp	1.45M	16.14%	$123.27M
Saturn v capital management	801.22K	14.92%	$68.02M
Brummer multi-strategy ab	14.38K	11.72%	$1.94M
Cormorant asset management, lp	1.95M	11.42%	$165.56M
Adar1 capital management	1.35M	10.77%	$114.69M
Nationale-nederlanden powszechne towarzystwo emerytalne	691.97K	8.28%	$93.32M
Silverarc capital management	422.19K	7.91%	$56.93M

Top Buyers

Holder	Shares	% Assets	Change
Darwin global management	3.16M	7.33%	3.16M
Point72 asset management	2.93M	0.42%	2.76M
Morgan stanley	3.15M	0.03%	1.68M
Paradigm biocapital advisors lp	1.56M	3.78%	1.56M
Fmr	1.43M	0.01%	1.43M

Top Sellers

Holder	Shares	% Assets	Change
Deep track capital, lp	-	-	-3.48M
Adar1 capital management	1.35M	10.77%	-1.72M
Commodore capital lp	-	-	-1.28M
Great point partners	150.00K	5.25%	-1.14M
Blackstone	-	-	-936.61K

New Positions

Holder	Shares	% Assets	Change	Value
Darwin global management	3.16M	7.33%	3.16M	$263.70M
Paradigm biocapital advisors lp	1.56M	3.78%	1.56M	$132.80M
Fmr	1.43M	0.01%	1.43M	$121.46M
Westfield capital management co lp	1.01M	0.57%	1.01M	$136.20M
Vestal point capital, lp	1.00M	3.83%	1.00M	$84.90M

Sold Out

Holder	Change
Bryn mawr trust	-20.00
Principal securities	-21.00
Gordian capital singapore pte	-900.00
Stonepine capital management	-2.50K
Excel securities & associates	-2.50K

Institutional Ownership Trends

Date	Holdings	Change %	Shares	Change %	Ownership	Change %	Increased Position	Change %	Decreased Position	Change %
Dec 31, 2025	64	-62.57%	7,017,127	-86.50%	11	0.16%	52	-65.10%	8	-50.00%
Sep 30, 2025	40	-2.44%	1,679,388	-94.20%	2	0.13%	37	68.18%	2	-77.78%
Jun 30, 2025	43	-6.52%	30,664,346	-3.45%	48	1.92%	22	-15.38%	11	-
Mar 31, 2025	12	-74.47%	16,302,452	-45.41%	25	0.54%	6	-77.78%	2	-77.78%
Dec 31, 2024	47	17.50%	29,861,029	9.05%	69	1.72%	27	28.57%	9	-18.18%

ABVX Ownership FAQ

Who Owns Abivax?

Abivax shareholders are primarily institutional investors at 11.07%, followed by 0% insiders and 0% retail investors. The average institutional ownership in Abivax's industry, Biotech Stocks , is 381.47%, which Abivax falls below.

Who owns the most shares of Abivax?

Abivax’s largest shareholders are Tcg crossover management (7.11M shares, 11.22%), Ubs group (4.42M shares, 6.98%), and Darwin global management (3.16M shares, 4.99%). Together, they hold 23.18% of Abivax’s total shares outstanding.

Does Blackrock own Abivax?

BlackRock is not among the top 10 institutional shareholders of Abivax.

Who is Abivax’s biggest shareholder by percentage of total assets invested?

Tcg crossover management is Abivax’s biggest shareholder by percentage of total assets invested, with 29.70% of its assets in 7.11M Abivax shares, valued at 603.77M$.

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