Mariner’s Abivax ABVX Stock Holding History

Mariner’s Portfolio ABVX Stock Details ABVX Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	$1.22M	Buy	11,006 +2,025	+23%	+$240K	﹤0.01%	1831
2025 Q4	$1.21M	Buy	8,981 +1,087	+14%	+$119K	﹤0.01%	1815
2025 Q3	$670K	Buy	+7,894	New	+$484K	﹤0.01%	2202

Other funds holding ABVX

TCM

TCG Crossover Management Palo Alto, California $3.5B AUM 1,165.83% 1-Year Est. Return

UBS Group Zurich, Switzerland $666B AUM 30.12% 1-Year Est. Return

DGM

Darwin Global Management St. Helier, Jersey $3.77B AUM 307.72% 1-Year Est. Return

Morgan Stanley New York $1.66T AUM 25.57% 1-Year Est. Return

VPC

Vestal Point Capital New York $3.58B AUM 189.12% 1-Year Est. Return

Caligan Partners New York $1.5B AUM 518.95% 1-Year Est. Return

ACM

ADAR1 Capital Management Austin, Texas $1.7B AUM 340.85% 1-Year Est. Return

Westfield Capital Management Boston, Massachusetts $23.8B AUM 49.45% 1-Year Est. Return

Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return

Helikon Investments London, United Kingdom $2.65B AUM 79.03% 1-Year Est. Return

Mariner's ABVX Position: Q1 2026 in Review

Mariner increased its Abivax (ABVX) stake by 23% in Q1 2026, buying an estimated $240K and bringing the position to 11,006 shares worth $1.22M. The position accounts for ﹤0.01% of the portfolio, ranked #1831.

Mariner first reported a position in ABVX in Q3 2025 and has held it in 3 quarters since. 254 funds tracked by Wall St. Rank hold ABVX as of Q1 2026.

Mariner held 11,006 shares of Abivax worth $1.22M as of Q1 2026.
Mariner bought 2,025 Abivax shares in Q1 2026, an estimated $240K.
Abivax made up ﹤0.01% of Mariner's portfolio in Q1 2026, its #1831 holding.
Mariner first reported a position in Abivax in Q3 2025 and has held it in 3 quarters since.
254 funds tracked by Wall St. Rank held Abivax as of Q1 2026.

Based on Mariner's 13F filing for Q1 2026, filed 13 May 2026.