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Ikarian Capital’s Annexon ANNX Stock Holding History

Ikarian Capital’s Portfolio ANNX Stock Details ANNX Fund Activity
Bought
Maintained
Sold
Quarter Market Value Status Shares Change in
Stake 		Trade Value Portfolio Weight Portfolio Position
2026
Q2 		$2.46M Sell
430,244
-150,000
-26% -$829K 0.26% 80
2026
Q1 		$3.21M Buy
580,244
+350,000
+152% +$1.97M 0.26% 80
2025
Q4 		$1.16M Buy
+230,244
New +$880K 0.09% 124
2024
Q3 		– Sell
-380,000
Closed -$1.86M – 149
2024
Q2 		$1.86M Sell
380,000
-1,025,000
-73% -$5.3M 0.32% 58
2024
Q1 		$10.1M Sell
1,405,000
-1,245,000
-47% -$6.46M 1.1% 29
2023
Q4 		$12M Buy
+2,650,000
New +$6.56M 1.13% 30

Other funds holding ANNX

Fidelity Investments
Fidelity Investments Boston, Massachusetts $2.3T AUM 54.33% 1-Year Est. Return
BlackRock
BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return
RG
Redmile Group San Francisco, California $1.49B AUM 208.7% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return
BI
BVF Inc San Francisco, California $3.91B AUM 304.52% 1-Year Est. Return
WP
Woodline Partners San Francisco, California $32.4B AUM 58.5% 1-Year Est. Return
Vanguard Capital Management
Vanguard Capital Management Malvern, Pennsylvania $4.68T AUM
MCO
MAK Capital One New York $714M AUM 68.07% 1-Year Est. Return
Goldman Sachs
Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return
SL
Siren LLC Greenwich, Connecticut $4.94B AUM 244.43% 1-Year Est. Return

Ikarian Capital's ANNX Position: Q2 2026 in Review

Ikarian Capital reduced its Annexon (ANNX) stake by 26% in Q2 2026, selling an estimated $829K and leaving 430,244 shares worth $2.46M. The position accounts for 0.26% of the portfolio, ranked #80.

Ikarian Capital first reported a position in ANNX in Q4 2023 and has held it in 6 quarters since. The position peaked at $12M in Q4 2023. 217 funds tracked by Wall St. Rank hold ANNX as of Q2 2026.

  • Ikarian Capital held 430,244 shares of Annexon worth $2.46M as of Q2 2026.
  • Ikarian Capital sold 150,000 Annexon shares in Q2 2026, an estimated $829K.
  • Annexon made up 0.26% of Ikarian Capital's portfolio in Q2 2026, its #80 holding.
  • Ikarian Capital first reported a position in Annexon in Q4 2023 and has held it in 6 quarters since.
  • Ikarian Capital's Annexon position peaked at $12M in Q4 2023.
  • 217 funds tracked by Wall St. Rank held Annexon as of Q2 2026.

Based on Ikarian Capital's 13F filing for Q2 2026, filed 14 Aug 2026.