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RTW Investments’s Abivax ABVX Stock Holding History

RTW 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 		$3.52M Buy
+26,400
New +$2.99M 0.03% 78
2025
Q4 		– Sell
-350,000
Closed -$29.7M – 92
2025
Q3 		$29.7M Buy
+350,000
New +$21.5M 0.37% 49

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

RTW Investments's ABVX Position: Q2 2026 in Review

RTW Investments opened a new position in Abivax (ABVX) in Q2 2026: 26,400 shares worth $3.52M. The stake represents 0.03% of the portfolio and ranks #78 among its holdings. This is a return to the name: RTW Investments previously reported a position in ABVX as recently as Q3 2025.

RTW Investments first reported a position in ABVX in Q3 2025 and has held it in 2 quarters since. The position peaked at $29.7M in Q3 2025. 304 funds tracked by Wall St. Rank hold ABVX as of Q2 2026.

  • RTW Investments held 26,400 shares of Abivax worth $3.52M as of Q2 2026.
  • Abivax was a new RTW Investments position in Q2 2026.
  • Abivax made up 0.03% of RTW Investments's portfolio in Q2 2026, its #78 holding.
  • RTW Investments first reported a position in Abivax in Q3 2025 and has held it in 2 quarters since.
  • RTW Investments's Abivax position peaked at $29.7M in Q3 2025.
  • 304 funds tracked by Wall St. Rank held Abivax as of Q2 2026.

Based on RTW Investments's 13F filing for Q2 2026, filed 14 Aug 2026.