OII - Company ID 0000073756
As of 2026-09-07, OCEANEERING INTERNATIONAL INC (OII) has a market capitalization of $5.13 B, making it the #1404 most valuable US-listed company.
| Date | Market cap |
|---|---|
| 2026-09-07 | $5.13 B |
| 2026-09-06 | $5.13 B |
| 2026-09-05 | $5.13 B |
| 2026-09-04 | $5.13 B |
| 2026-09-03 | $5.14 B |
| 2026-09-02 | $5.15 B |
| 2026-09-01 | $5.12 B |
| 2026-08-31 | $5.16 B |
| 2026-08-30 | $5.05 B |
| 2026-08-29 | $5.05 B |
| 2026-08-28 | $5.04 B |
| 2026-08-27 | $5.11 B |
As of 2026-09-07, OCEANEERING INTERNATIONAL INC (OII) has a market capitalization of $5.13 B, making it the #1404 most valuable US-listed company.
OCEANEERING INTERNATIONAL INC is the #1404 largest US-listed company by market capitalization.
Data parsed from SEC EDGAR XBRL filings. See the full market cap rankings.
| 2026-08-26 | $4.95 B |
| 2026-08-25 | $4.98 B |
| 2026-08-24 | $5.03 B |
| 2026-08-23 | $5.29 B |
| 2026-08-22 | $5.29 B |
| 2026-08-21 | $5.29 B |
| 2026-08-20 | $5.24 B |
| 2026-08-19 | $5.26 B |
| 2026-08-18 | $5.29 B |
| 2026-08-17 | $5.40 B |
| 2026-08-16 | $5.21 B |
| 2026-08-15 | $5.21 B |
| 2026-08-14 | $5.20 B |
| 2026-08-13 | $5.12 B |
| 2026-08-12 | $5.09 B |
| 2026-08-11 | $5.06 B |
| 2026-08-10 | $5.00 B |
| 2026-08-09 | $4.78 B |
Readings accumulate daily as market data refreshes, combining SEC-reported share counts with live prices.