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Healthstream vs PubMatic: HSTM and PUBM compared
Healthstream is the larger company: $83.3M of revenue in its latest quarter (Q3 2026) against $78.6M for PubMatic (Q2 2026). PubMatic is growing faster (+10% against +9% a year earlier). Healthstream is more profitable, with an operating margin of 7.9% against 0.7%.
Where the money goes: HSTM and PUBM
Healthstream (HSTM) · Q3 2026
Healthstream, Q3 2026: revenue $83.3M (+9% year over year), operating margin 7.9%, net earnings $5.4M, operating cash flow $17.4M. The chart follows the revenue to costs, profit and cash.
PubMatic (PUBM) · Q2 2026
PubMatic, Q2 2026: revenue $78.6M (+10% year over year), operating margin 0.7%, net loss $1.2M, operating cash flow $20.2M. The chart follows the revenue to costs, profit and cash.
| Healthstream (HSTM) | PubMatic (PUBM) | |
|---|---|---|
| Latest quarter | Q3 2026 | Q2 2026 |
| Revenue | $83.3M | $78.6M |
| Revenue growth, Y/Y | +9% | +10% |
| Operating margin | 7.9% | 0.7% |
| Net earnings | $5.4M | −$1.2M |
| Net margin | 6.4% | -1.5% |
| Operating cash flow | $17.4M | $20.2M |
| Free cash flow | $17.1M | $17.3M |
| Market value | — | $767M |
| Analysts’ mean target | — | $21.00 |
Where the revenue comes from
Healthstream
- Subscription Services: $80.0M (96%)
- Professional Services: $3.3M (4%)
Questions
Which is bigger, Healthstream or PubMatic?
Healthstream is the larger company: $83.3M of revenue in its latest quarter (Q3 2026) against $78.6M for PubMatic (Q2 2026).
Is Healthstream or PubMatic growing faster?
PubMatic is growing faster (+10% against +9% a year earlier).
Which is more profitable, Healthstream or PubMatic?
Healthstream is more profitable, with an operating margin of 7.9% against 0.7%.
More: Healthstream earnings · how Healthstream makes money · PubMatic earnings · how PubMatic makes money
From the companies' latest 10-Q, 10-K or earnings release (10-Q filed Nov 5, 2026; 10-Q filed Aug 6, 2026). Fiscal quarters can end on different dates. Not investment advice.