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INNOSPEC INC.
IOSP - CIK 0001054905
Market cap$2.13 B
Rank#2067
SEC filings1,749
Market capitalization of INNOSPEC INC.
As of 2026-06-13, INNOSPEC INC. (IOSP) has a market capitalization of $2.13 B, making it the #2067 most valuable US-listed company.
Recent market cap readings
| Date | Market cap |
|---|---|
| 2026-06-13 | $2.13 B |
| 2026-06-12 | $2.15 B |
| 2026-06-11 | $2.10 B |
| 2026-06-10 | $2.05 B |
| 2026-05-29 | $2.04 B |
| 2026-05-28 | $2.03 B |
| 2026-05-26 | $1.99 B |
| 2026-05-25 | $1.96 B |
| 2026-05-24 | $1.96 B |
| 2026-05-22 | $1.96 B |
Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.
Market Cap of similar companies
Frequently asked questions
What is INNOSPEC INC.'s market cap?
As of 2026-06-13, INNOSPEC INC. (IOSP) has a market capitalization of $2.13 B, making it the #2067 most valuable US-listed company.
Where does INNOSPEC INC. rank by market cap?
INNOSPEC INC. is the #2067 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.