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Filing Flows › Alector (ALEC) › Q2 2026 › vs Q2 2025

Alector (ALEC) Q2 2026 vs Q2 2025 (year over year)

Alector's revenue fell $4.6M (-58%) from $7.9M in Q2 2025 to $3.3M in Q2 2026.

Alector, Q2 2026: revenue $3.3M (-58% year over year), operating margin -734.7%, net loss $23.0M, operating cash flow −$34.2M. The chart draws each line against Q2 2025, the increases inside each band.

Alector: what changed, Q2 2026 vs Q2 2025Alector: what changed, Q2 2026 vs Q2 2025Operating cash sources−$20.6MCash used in operations−$14.8MOperating costs−$14.3MCosts & expenses−$14.2MWorking capital & other−$13.0MResearch & development−$8.2MNet loss−$7.5MNet loss absorbed−$7.5MGeneral & admin−$6.1MShare-based compensation−$4.5M

Every line

LineQ2 2026Q2 2025Change%
Revenue$3.3M$7.9M−$4.6M-58%
Other income, net$1.5M$3.6M−$2.1M-58%
Net loss$23.0M$30.5M−$7.5M-25%
Costs & expenses$27.8M$42.0M−$14.2M-34%
Operating costs$27.7M$42.0M−$14.3M-34%
Income tax$130K$0$130K—
Research & development$19.5M$27.6M−$8.2M-30%
General & admin$8.3M$14.4M−$6.1M-43%
Operating cash sources$37.9M$58.4M−$20.6M-35%
Depreciation & amortization$1.0M$2.3M−$1.3M-55%
Share-based compensation$2.6M$7.1M−$4.5M-63%
Cash used in operations$34.2M$49.0M−$14.8M-30%
Net loss absorbed$23.0M$30.5M−$7.5M-25%
Working capital & other$14.9M$27.9M−$13.0M-47%

Questions

How much did Alector's revenue grow year over year in Q2 2026?

Alector's revenue fell $4.6M (-58%) from $7.9M in Q2 2025 to $3.3M in Q2 2026.

Q2 2026 results → · Compare in the interactive Sankey →