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
Q2 		$636K Sell
4,771
-5,382
-53% -$609K ﹤0.01% 1168
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 $4.16B AUM 983.43% 1-Year Est. Return
HI
Helikon Investments London, United Kingdom $3.35B AUM 55.08% 1-Year Est. Return
DGM
Darwin Global Management St. Helier, Jersey $3.76B AUM 342.13% 1-Year Est. Return
VPC
Vestal Point Capital New York $4.28B AUM 239% 1-Year Est. Return
JT
Jupiter Topco New York $245B AUM
UBS Group
UBS Group Zurich, Switzerland $786B AUM 40.34% 1-Year Est. Return
ACM
ADAR1 Capital Management Austin, Texas $2.19B AUM 374.99% 1-Year Est. Return
CP
Caligan Partners New York $2.13B AUM 758.65% 1-Year Est. Return
Citadel Advisors
Citadel Advisors Miami, Florida $875B AUM 40.89% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Jefferies Financial Group's ABVX Position: Q2 2026 in Review

Jefferies Financial Group reduced its Abivax (ABVX) stake by 53% in Q2 2026, selling an estimated $609K and leaving 4,771 shares worth $636K. The position accounts for ﹤0.01% of the portfolio, ranked #1168.

Jefferies Financial Group first reported a position in ABVX in Q3 2025 and has held it in 4 quarters since. The position peaked at $61.7M in Q4 2025. 303 funds tracked by Wall St. Rank hold ABVX as of Q2 2026.

  • Jefferies Financial Group held 4,771 shares of Abivax worth $636K as of Q2 2026.
  • Jefferies Financial Group sold 5,382 Abivax shares in Q2 2026, an estimated $609K.
  • Abivax made up ﹤0.01% of Jefferies Financial Group's portfolio in Q2 2026, its #1168 holding.
  • Jefferies Financial Group first reported a position in Abivax in Q3 2025 and has held it in 4 quarters since.
  • Jefferies Financial Group's Abivax position peaked at $61.7M in Q4 2025.
  • 303 funds tracked by Wall St. Rank held Abivax as of Q2 2026.

Based on Jefferies Financial Group's 13F filing for Q2 2026, filed 17 Aug 2026.