ACM
ABVX

ADAR1 Capital Management’s Abivax ABVX Stock Holding History

ADAR1 Capital Management’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 		$4.9M Buy
+44,000
New +$5.21M 0.29% 78

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
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
EP
Eversept Partners New York $1.9B AUM 121.13% 1-Year Est. Return

ADAR1 Capital Management's ABVX Position: Q1 2026 in Review

ADAR1 Capital Management increased its Abivax (ABVX) stake by 5.8% in Q1 2026, buying an estimated $9.08M and bringing the position to 1,394,019 shares worth $155M. The position accounts for 9.14% of the portfolio, ranked #1.

ADAR1 Capital Management first reported a position in ABVX in Q1 2024 and has held it in 9 quarters since. The position peaked at $178M in Q4 2025. 254 funds tracked by Wall St. Rank hold ABVX as of Q1 2026.

  • ADAR1 Capital Management held 1,394,019 shares of Abivax worth $155M as of Q1 2026.
  • ADAR1 Capital Management bought 76,690 Abivax shares in Q1 2026, an estimated $9.08M.
  • Abivax made up 9.14% of ADAR1 Capital Management's portfolio in Q1 2026, its #1 holding.
  • ADAR1 Capital Management first reported a position in Abivax in Q1 2024 and has held it in 9 quarters since.
  • ADAR1 Capital Management's Abivax position peaked at $178M in Q4 2025.
  • 254 funds tracked by Wall St. Rank held Abivax as of Q1 2026.

Based on ADAR1 Capital Management's 13F filing for Q1 2026, filed 18 May 2026.