Annexon (ANNX) Operating Expenses (2019 - 2026)

For the trailing twelve months through Jun 30, 2026, Operating Expenses at Annexon was $210.56 million, up 4.7% year-over-year; for FY2025, it was $216.41 million, up 40.5% from FY2024.

• Annual Operating Expenses shows a five-year compound annual growth rate of 27.8% (FY2020 to FY2025).
• In prior years, Annexon's Operating Expenses was $154.07 million in FY2024 (+7.2%), $143.72 million in FY2023 (-1.3%), $145.6 million in FY2022 (+11.4%) and $130.71 million in FY2021 (+105.9%).
• The Q2 2026 figure stands as the highest quarterly Operating Expenses since Q1 2025.
• On a year-over-year basis, Operating Expenses increased in six of the last eight quarters, with growth averaging 34.3%.
• The strongest year-over-year quarter for Operating Expenses in the past five years was Q3 2021, with growth of 128.9%; the weakest was Q1 2024, with a decline of 30.7%.
• According to Business Quant data, Operating Expenses for the three prior quarters was $46.05 million (Q1 2026), $50.26 million (Q4 2025) and $57.02 million (Q3 2025).