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Filing Flows › Alector (ALEC) › Q3 2026 › vs Q2 2026

Alector (ALEC) Q3 2026 vs Q2 2026 (quarter over quarter)

Alector's revenue rose $160M (49×) from $3.3M in Q2 2026 to $163M in Q3 2026. Operating margin 76.0% against -734.7% (+810.8 pts).

Alector, Q3 2026: revenue $163M (50× year over year), operating margin 76.0%, net earnings $125M, operating cash flow −$24.2M. The chart draws each line against Q2 2026, the increases inside each band.

Alector: what changed, Q3 2026 vs Q2 2026Alector: what changed, Q3 2026 vs Q2 2026Operating profit$148MNet earnings$148MPre-tax earnings$148MOperating cash sources$137MWorking capital & other$137MCosts & expenses$11.3MResearch & development$10.6MCash used in operations−$10.1MGeneral & admin$738KOther income, net−$714K

Margins

Q3 2026Q2 2026Change
Operating margin76.0%-734.7%+810.8 pts
Net margin76.5%-692.5%+769.0 pts

Every line

LineQ3 2026Q2 2026Change%
Revenue$163M$3.3M$160M49×
Other income, net$819K$1.5M−$714K-47%
Operating profit$124M−$24.4M$148M—
Costs & expenses$39.0M$27.7M$11.3M+41%
Pre-tax earnings$125M−$22.9M$148M—
Research & development$30.0M$19.5M$10.6M+54%
General & admin$9.0M$8.3M$738K+9%
Net earnings$125M−$23.0M$148M—
Income tax$60K$130K−$70K-54%
Operating cash sources$152M$14.9M$137M+919%
Depreciation & amortization$981K$1.0M−$68K-6%
Share-based compensation$2.0M$2.6M−$614K-24%
Cash used in operations$24.2M$34.2M−$10.1M-29%
Working capital & other$152M$14.9M$137M+919%

Questions

How much did Alector's revenue grow quarter over quarter in Q3 2026?

Alector's revenue rose $160M (49×) from $3.3M in Q2 2026 to $163M in Q3 2026. Operating margin 76.0% against -734.7% (+810.8 pts).

Q3 2026 results → · Compare in the interactive Sankey →