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Blackline vs Fastly: BL and FSLY compared

Blackline is the larger company: $193M of revenue in its latest quarter (Q3 2026) against $190M for Fastly (Q3 2026). Fastly is growing faster (+20% against +8% a year earlier). Blackline is more profitable, with an operating margin of 8.6% against -5.9%.

Blackline vs Fastly, latest quarterBlackline vs Fastly, latest quarterBlackline (BL)Fastly (FSLY)Revenue$193M$190MRevenue growth, Y/Y+8%+20%Operating margin8.6%-5.9%Net margin5.5%-5.9%Free cash flow$57.5M$25.2M

Where the money goes: BL and FSLY

Blackline (BL) · Q3 2026

Blackline, Q3 2026: revenue $193M (+8% year over year), operating margin 8.6%, net earnings $10.6M, operating cash flow $67.1M. The chart follows the revenue to costs, profit and cash.

Fastly (FSLY) · Q3 2026

Fastly, Q3 2026: revenue $190M (+20% year over year), operating margin -5.9%, net loss $11.3M, operating cash flow $40.0M. The chart follows the revenue to costs, profit and cash.

Blackline revenue by segment, Q3 2026Blackline revenue by segment, Q3 2026Subscription and support$183MProfessional services$10.3M
Blackline (BL)Fastly (FSLY)
Latest quarterQ3 2026Q3 2026
Revenue$193M$190M
Revenue growth, Y/Y+8%+20%
Gross margin75.7%—
Operating margin8.6%-5.9%
Net earnings$10.6M−$11.3M
Net margin5.5%-5.9%
Operating cash flow$67.1M$40.0M
Free cash flow$57.5M$25.2M
Market value$2.0B$4.2B
P/E58.7×—
Analysts’ mean target$37.60$27.64

Where the revenue comes from

Blackline

Questions

Which is bigger, Blackline or Fastly?

Blackline is the larger company: $193M of revenue in its latest quarter (Q3 2026) against $190M for Fastly (Q3 2026).

Is Blackline or Fastly growing faster?

Fastly is growing faster (+20% against +8% a year earlier).

Which is more profitable, Blackline or Fastly?

Blackline is more profitable, with an operating margin of 8.6% against -5.9%.

More: Blackline earnings · how Blackline makes money · Fastly earnings · how Fastly makes money

From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Nov 6, 2026; 10-Q filed Nov 4, 2026). Fiscal quarters can end on different dates. Not investment advice.