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INNOSPEC INC.
IOSP - Company ID 0001054905
Market cap$1.95 B
Rank#2107
Filings1,749
Market capitalization of INNOSPEC INC.
As of 2026-11-06, INNOSPEC INC. (IOSP) has a market capitalization of $1.95 B, making it the #2107 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-11-06 | $1.95 B |
| 2026-11-05 | $1.95 B |
| 2026-11-04 | $1.99 B |
| 2026-11-03 | $2.46 B |
| 2026-11-02 | $2.45 B |
| 2026-11-01 | $2.46 B |
| 2026-10-31 | $2.46 B |
| 2026-10-30 | $2.46 B |
| 2026-10-29 | $2.50 B |
| 2026-10-28 | $2.48 B |
| 2026-10-27 | $2.46 B |
| 2026-10-26 | $2.46 B |
Market Cap of similar companies
Frequently asked questions
What is INNOSPEC INC.'s market cap?
As of 2026-11-06, INNOSPEC INC. (IOSP) has a market capitalization of $1.95 B, making it the #2107 most valuable US-listed company.
Where does INNOSPEC INC. rank by market cap?
INNOSPEC INC. is the #2107 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.