JFG
ABVX

Jefferies Financial Group’s Abivax ABVX Stock Holding History

Jefferies Financial Group’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 		$1.13M Sell
10,153
-447,172
-98% -$52.9M 0.01% 879
2025
Q4 		$61.7M Hold
457,325
– – 0.32% 52
2025
Q3 		$38.8M Buy
+457,325
New +$28M 0.18% 79

Other funds holding ABVX

TCM
TCG Crossover Management Palo Alto, California $3.5B AUM 1,165.83% 1-Year Est. Return
UBS Group
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
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
CP
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
Westfield Capital Management Boston, Massachusetts $23.8B AUM 49.45% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
HI
Helikon Investments London, United Kingdom $2.65B AUM 79.03% 1-Year Est. Return

Jefferies Financial Group's ABVX Position: Q1 2026 in Review

Jefferies Financial Group reduced its Abivax (ABVX) stake by 98% in Q1 2026, selling an estimated $52.9M and leaving 10,153 shares worth $1.13M. The position accounts for 0.01% of the portfolio, ranked #879.

Jefferies Financial Group first reported a position in ABVX in Q3 2025 and has held it in 3 quarters since. The position peaked at $61.7M in Q4 2025. 254 funds tracked by Wall St. Rank hold ABVX as of Q1 2026.

  • Jefferies Financial Group held 10,153 shares of Abivax worth $1.13M as of Q1 2026.
  • Jefferies Financial Group sold 447,172 Abivax shares in Q1 2026, an estimated $52.9M.
  • Abivax made up 0.01% of Jefferies Financial Group's portfolio in Q1 2026, its #879 holding.
  • Jefferies Financial Group first reported a position in Abivax in Q3 2025 and has held it in 3 quarters since.
  • Jefferies Financial Group's Abivax position peaked at $61.7M in Q4 2025.
  • 254 funds tracked by Wall St. Rank held Abivax as of Q1 2026.

Based on Jefferies Financial Group's 13F filing for Q1 2026, filed 8 May 2026.