Annexon (ANNX) Operating Expenses (2019 - 2026)

Annexon's Operating Expenses history runs 8 years deep, the most recent figure standing at $46.1 million for Q1 2026.

• On a quarterly basis, Operating Expenses fell 19.78% year-over-year to $46.1 million in Q1 2026; TTM through Mar 2026 was $205.1 million, a 12.11% increase from a year earlier, with the FY2025 full-year figure at $216.4 million, up 40.46% from the prior year.
• Operating Expenses declined to $46.1 million in Q1 2026 per ANNX's latest filing, from $50.3 million in the prior quarter.
• Across five years, Operating Expenses topped out at $57.4 million in Q1 2025 and bottomed at $28.6 million in Q1 2024.
• The 5-year median for Operating Expenses is $37.7 million (2023), against an average of $41.5 million.
• Across the five-year window, Operating Expenses slumped 30.72% in 2024 and surged 100.91% in 2025, its largest moves.
• Year by year, Operating Expenses stood at $36.7 million in 2022, then dropped by 18.22% to $30.0 million in 2023, then jumped by 74.88% to $52.5 million in 2024, then dropped by 4.23% to $50.3 million in 2025, then fell by 8.37% to $46.1 million in 2026.
• Per Business Quant, the three latest ANNX Operating Expenses figures stand at $46.1 million (Q1 2026), $50.3 million (Q4 2025), and $57.0 million (Q3 2025).