OII - Company ID 0000073756
As of 2026-07-10, OCEANEERING INTERNATIONAL INC (OII) has a market capitalization of $4.06 B, making it the #1582 most valuable US-listed company.
| Date | Market cap |
|---|---|
| 2026-07-10 | $4.06 B |
| 2026-07-09 | $4.06 B |
| 2026-07-08 | $4.11 B |
| 2026-07-07 | $3.97 B |
| 2026-07-06 | $3.88 B |
| 2026-07-05 | $3.84 B |
| 2026-07-04 | $3.84 B |
| 2026-07-03 | $3.84 B |
| 2026-07-02 | $3.84 B |
| 2026-07-01 | $3.98 B |
| 2026-06-30 | $4.08 B |
| 2026-06-29 | $3.94 B |
As of 2026-07-10, OCEANEERING INTERNATIONAL INC (OII) has a market capitalization of $4.06 B, making it the #1582 most valuable US-listed company.
OCEANEERING INTERNATIONAL INC is the #1582 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| 2026-06-28 | $3.99 B |
| 2026-06-27 | $3.99 B |
| 2026-06-26 | $3.99 B |
| 2026-06-25 | $3.93 B |
| 2026-06-24 | $3.62 B |
| 2026-06-23 | $3.62 B |
| 2026-06-22 | $3.50 B |
| 2026-06-21 | $3.60 B |
| 2026-06-20 | $3.60 B |
| 2026-06-19 | $3.60 B |
| 2026-06-18 | $3.54 B |
| 2026-06-17 | $3.54 B |
| 2026-06-16 | $3.73 B |
| 2026-06-15 | $3.84 B |
| 2026-06-14 | $3.93 B |
| 2026-06-13 | $3.93 B |
| 2026-06-12 | $3.96 B |
| 2026-06-11 | $3.94 B |
Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.