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Five9, Inc.
FIVN - Company ID 0001288847
Market cap$2.55 B
Rank#1975
Filings1,303
Market capitalization of Five9, Inc.
As of 2026-09-07, Five9, Inc. (FIVN) has a market capitalization of $2.55 B, making it the #1975 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-09-07 | $2.55 B |
| 2026-09-06 | $2.55 B |
| 2026-09-05 | $2.55 B |
| 2026-09-04 | $2.55 B |
| 2026-09-03 | $2.61 B |
| 2026-09-02 | $2.57 B |
| 2026-09-01 | $2.59 B |
| 2026-08-31 | $2.65 B |
| 2026-08-30 | $2.61 B |
| 2026-08-29 | $2.61 B |
| 2026-08-28 | $2.61 B |
| 2026-08-27 | $2.65 B |
Market Cap of similar companies
Frequently asked questions
What is Five9, Inc.'s market cap?
As of 2026-09-07, Five9, Inc. (FIVN) has a market capitalization of $2.55 B, making it the #1975 most valuable US-listed company.
Where does Five9, Inc. rank by market cap?
Five9, Inc. is the #1975 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.