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
Q2 		$25.5M Sell
191,689
-1,094,684
-85% -$124M ﹤0.01% 1791
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 $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

Fidelity Investments's ABVX Position: Q2 2026 in Review

Fidelity Investments reduced its Abivax (ABVX) stake by 85% in Q2 2026, selling an estimated $124M and leaving 191,689 shares worth $25.5M. The position accounts for ﹤0.01% of the portfolio, ranked #1791.

Fidelity Investments first reported a position in ABVX in Q4 2023 and has held it in 5 quarters since. The position peaked at $184M in Q4 2025. 302 funds tracked by Wall St. Rank hold ABVX as of Q2 2026.

  • Fidelity Investments held 191,689 shares of Abivax worth $25.5M as of Q2 2026.
  • Fidelity Investments sold 1,094,684 Abivax shares in Q2 2026, an estimated $124M.
  • Abivax made up ﹤0.01% of Fidelity Investments's portfolio in Q2 2026, its #1791 holding.
  • Fidelity Investments first reported a position in Abivax in Q4 2023 and has held it in 5 quarters since.
  • Fidelity Investments's Abivax position peaked at $184M in Q4 2025.
  • 302 funds tracked by Wall St. Rank held Abivax as of Q2 2026.

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