Adage Capital Partners
ABVX

Adage Capital Partners’s Abivax ABVX Stock Holding History

Adage Capital Partners’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 		$44.6M Sell
400,539
-149,461
-27% -$17.7M 0.07% 275
2025
Q4 		$74.2M Sell
550,000
-427,629
-44% -$46.7M 0.11% 176
2025
Q3 		$83M Buy
+977,629
New +$59.9M 0.13% 157
2024
Q4 		– Sell
-530,861
Closed -$6.12M – 870
2024
Q3 		$6.12M Buy
530,861
+5,861
+1% +$70.2K 0.01% 690
2024
Q2 		$6.94M Buy
525,000
+100,000
+24% +$1.43M 0.01% 666
2024
Q1 		$6.08M Hold
425,000
– – 0.01% 674
2023
Q4 		$4.55M Buy
+425,000
New +$4.33M 0.01% 689

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
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

Adage Capital Partners's ABVX Position: Q1 2026 in Review

Adage Capital Partners reduced its Abivax (ABVX) stake by 27% in Q1 2026, selling an estimated $17.7M and leaving 400,539 shares worth $44.6M. The position accounts for 0.07% of the portfolio, ranked #275.

Adage Capital Partners first reported a position in ABVX in Q4 2023 and has held it in 7 quarters since. The position peaked at $83M in Q3 2025. 254 funds tracked by Wall St. Rank hold ABVX as of Q1 2026.

  • Adage Capital Partners held 400,539 shares of Abivax worth $44.6M as of Q1 2026.
  • Adage Capital Partners sold 149,461 Abivax shares in Q1 2026, an estimated $17.7M.
  • Abivax made up 0.07% of Adage Capital Partners's portfolio in Q1 2026, its #275 holding.
  • Adage Capital Partners first reported a position in Abivax in Q4 2023 and has held it in 7 quarters since.
  • Adage Capital Partners's Abivax position peaked at $83M in Q3 2025.
  • 254 funds tracked by Wall St. Rank held Abivax as of Q1 2026.

Based on Adage Capital Partners's 13F filing for Q1 2026, filed 15 May 2026.