Fidelity Investments
ABVX

Fidelity Investments’s Abivax ABVX Stock Holding History

Fidelity 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
Q1 		$143M Sell
1,286,373
-79,284
-6% -$9.38M 0.01% 1014
2025
Q4 		$184M Sell
1,365,657
-65,016
-5% -$7.09M 0.01% 899
2025
Q3 		$121M Buy
+1,430,673
New +$87.7M 0.01% 1091
2024
Q1 		– Sell
-34,700
Closed -$371K – 5339
2023
Q4 		$371K Buy
+34,700
New +$354K ﹤0.01% 2769

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
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

Fidelity Investments's ABVX Position: Q1 2026 in Review

Fidelity Investments reduced its Abivax (ABVX) stake by 5.8% in Q1 2026, selling an estimated $9.38M and leaving 1,286,373 shares worth $143M. The position accounts for 0.01% of the portfolio, ranked #1014.

Fidelity Investments first reported a position in ABVX in Q4 2023 and has held it in 4 quarters since. The position peaked at $184M in Q4 2025. 254 funds tracked by Wall St. Rank hold ABVX as of Q1 2026.

  • Fidelity Investments held 1,286,373 shares of Abivax worth $143M as of Q1 2026.
  • Fidelity Investments sold 79,284 Abivax shares in Q1 2026, an estimated $9.38M.
  • Abivax made up 0.01% of Fidelity Investments's portfolio in Q1 2026, its #1014 holding.
  • Fidelity Investments first reported a position in Abivax in Q4 2023 and has held it in 4 quarters since.
  • Fidelity Investments's Abivax position peaked at $184M in Q4 2025.
  • 254 funds tracked by Wall St. Rank held Abivax as of Q1 2026.

Based on Fidelity Investments's 13F filing for Q1 2026, filed 15 May 2026.