HI
ABVX

Helikon Investments’s Abivax ABVX Stock Holding History

Helikon Investments’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 		$371M Buy
2,787,131
+1,773,807
+175% +$201M 11.1% 2
2026
Q1 		$113M Buy
+1,013,324
New +$120M 4.26% 9

Other funds holding ABVX

TCM
TCG Crossover Management Palo Alto, California $4.16B AUM 983.43% 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 40.91% 1-Year Est. Return
Morgan Stanley
Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return
Westfield Capital Management
Westfield Capital Management Boston, Massachusetts $30.6B AUM 61.81% 1-Year Est. Return

Helikon Investments's ABVX Position: Q2 2026 in Review

Helikon Investments increased its Abivax (ABVX) stake by 175% in Q2 2026, buying an estimated $201M and bringing the position to 2,787,131 shares worth $371M. The position accounts for 11.1% of the portfolio, ranked #2.

Helikon Investments first reported a position in ABVX in Q1 2026 and has held it in 2 quarters since. 302 funds tracked by Wall St. Rank hold ABVX as of Q2 2026.

  • Helikon Investments held 2,787,131 shares of Abivax worth $371M as of Q2 2026.
  • Helikon Investments bought 1,773,807 Abivax shares in Q2 2026, an estimated $201M.
  • Abivax made up 11.1% of Helikon Investments's portfolio in Q2 2026, its #2 holding.
  • Helikon Investments first reported a position in Abivax in Q1 2026 and has held it in 2 quarters since.
  • 302 funds tracked by Wall St. Rank held Abivax as of Q2 2026.

Based on Helikon Investments's 13F filing for Q2 2026, filed 11 Aug 2026.