ANNX Annexon, Inc.: institutional ownership and insider trading

227 funds reported holding $1.12B of Annexon, Inc. in their latest 13F filings; in Q2 2026 funds net bought $131M, with 28 new positions and 27 funds selling out; over the last 12 months insiders bought $12.4M and sold $313K on the open market.

Famous investors holding ANNX

Largest institutional holders of ANNX

  1. FMR LLC — $111M
  2. BlackRock, Inc. (BLK) — $77.3M
  3. Redmile Group, LLC — $67.8M
  4. STATE STREET CORP (STT, STT-PG) — $56.1M
  5. BVF INC/IL — $49.7M
  6. Woodline Partners LP — $39.5M
  7. VANGUARD CAPITAL MANAGEMENT LLC — $39.2M
  8. VANGUARD GROUP INC — $38.9M
  9. Alerce Investment Management, L.P. — $38.0M
  10. MAK CAPITAL ONE LLC — $33.5M

Recent ANNX insider trades

5%+ owners

All ANNX 13F holders · All ANNX insider trades