ACM
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ADAR1 Capital Management’s Annexon ANNX Stock Holding History

ADAR1 Capital Management’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
Q1 		$305K Buy
55,000
+7,000
+15% +$39.4K 0.02% 238
2025
Q4 		$241K Buy
+48,000
New +$183K 0.02% 222

Other funds holding ANNX

RG
Redmile Group San Francisco, California $1.51B AUM 164.17% 1-Year Est. Return
BlackRock
BlackRock New York $5.72T AUM 30.48% 1-Year Est. Return
Fidelity Investments
Fidelity Investments Boston, Massachusetts $1.9T AUM 41.92% 1-Year Est. Return
BI
BVF Inc San Francisco, California $3.14B AUM 249.53% 1-Year Est. Return
State Street
State Street Boston, Massachusetts $2.9T AUM 29.55% 1-Year Est. Return
VCM
Vanguard Capital Management Malvern, Pennsylvania $4.04T AUM
BCLSI
Bain Capital Life Sciences Investors Boston, Massachusetts $1.11B AUM 171.34% 1-Year Est. Return
BG
Bellevue Group Kuesnacht, Switzerland $4.2B AUM 54.85% 1-Year Est. Return
MCO
MAK Capital One New York $679M AUM 29.02% 1-Year Est. Return
Adage Capital Partners
Adage Capital Partners Boston, Massachusetts $64.8B AUM 42.7% 1-Year Est. Return

ADAR1 Capital Management's ANNX Position: Q1 2026 in Review

ADAR1 Capital Management increased its Annexon (ANNX) stake by 15% in Q1 2026, buying an estimated $39.4K and bringing the position to 55,000 shares worth $305K. The position accounts for 0.02% of the portfolio, ranked #238.

ADAR1 Capital Management first reported a position in ANNX in Q4 2025 and has held it in 2 quarters since. 217 funds tracked by Wall St. Rank hold ANNX as of Q1 2026.

  • ADAR1 Capital Management held 55,000 shares of Annexon worth $305K as of Q1 2026.
  • ADAR1 Capital Management bought 7,000 Annexon shares in Q1 2026, an estimated $39.4K.
  • Annexon made up 0.02% of ADAR1 Capital Management's portfolio in Q1 2026, its #238 holding.
  • ADAR1 Capital Management first reported a position in Annexon in Q4 2025 and has held it in 2 quarters since.
  • 217 funds tracked by Wall St. Rank held Annexon as of Q1 2026.

Based on ADAR1 Capital Management's 13F filing for Q1 2026, filed 18 May 2026.