Oceaneering International (OII) Market Capitalization (2009 - 2026)
Oceaneering International's Market Capitalization was $4.03 billion in Q2 2026, up 75.6% from $2.3 billion a year earlier and up 14.0% from the prior quarter.
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Analysis
Oceaneering International (OII) Market Capitalization (2009 - 2026) Analysis & Trends
For FY2025, Market Capitalization at Oceaneering International came in at $2.39 billion, down 17.4% from FY2024.
- Market Capitalization shows a five-year compound annual growth rate of 24.8% (FY2020 to FY2025).
- In earlier years, Market Capitalization was $2.89 billion in FY2024 (+22.6%), $2.36 billion in FY2023 (+21.7%), $1.94 billion in FY2022 (+72.0%) and $1.13 billion in FY2021 (+42.8%).
- The Q2 2026 figure marks the highest quarterly Market Capitalization since Q2 2015.
- Compared with a year earlier, Market Capitalization was higher in three of the last eight quarters, with growth averaging 13.0%.
- The best year-over-year quarter for Market Capitalization over five years was Q3 2021 (growth of 240.7%); the worst was Q3 2022 (a decline of 33.6%).
- Per Business Quant data, OII's Market Capitalization in the three quarters before Q2 2026 was $3.54 billion (Q1 2026), $2.39 billion (Q4 2025) and $2.75 billion (Q3 2025).
Peer Set
Peer Comparison
| # | Company | Market Cap | Enterprise Value | Gross Profit (Qtr) |
|---|---|---|---|---|
| 1 | Caterpillar | 340.33 Bn | 312.03 Bn | 7.76 Bn |
| 2 | Amphenol | 195.04 Bn | 189.62 Bn | 3.55 Bn |
| 3 | Deere | 171.72 Bn | 139.81 Bn | 4.66 Bn |
| 4 | Eaton | 152.74 Bn | 149.93 Bn | 2.86 Bn |
| 5 | Parker-Hannifin | 120.82 Bn | 118.95 Bn | 2.25 Bn |
| 6 | Emerson Electric | 91.30 Bn | 84.04 Bn | 2.66 Bn |
| 7 | 3M | 90.37 Bn | 71.82 Bn | 2.78 Bn |
| 8 | Vertiv Holdings | 81.71 Bn | 72.33 Bn | 1.23 Bn |
| 9 | Illinois Tool Works | 79.34 Bn | 75.90 Bn | 1.90 Bn |
| 10 | Oceaneering International | 4.38 Bn | 1.95 Bn | 156.98 Mn |
Historic Data
Download Data
Historic Data
| Date | Value |
|---|---|
| Jun 30, 2026 | 4.03 Bn |
| Mar 31, 2026 | 3.54 Bn |
| Dec 31, 2025 | 2.39 Bn |
| Sep 30, 2025 | 2.75 Bn |
| Jun 30, 2025 | 2.30 Bn |
| Mar 31, 2025 | 2.42 Bn |
| Dec 31, 2024 | 2.89 Bn |
| Sep 30, 2024 | 2.76 Bn |
| Jun 30, 2024 | 2.62 Bn |
| Mar 31, 2024 | 2.59 Bn |
| Dec 31, 2023 | 2.36 Bn |
| Sep 30, 2023 | 2.85 Bn |
| Jun 30, 2023 | 2.07 Bn |
| Mar 31, 2023 | 1.95 Bn |
| Dec 31, 2022 | 1.94 Bn |
| Sep 30, 2022 | 882.24 Mn |
| Jun 30, 2022 | 1.18 Bn |
| Mar 31, 2022 | 1.68 Bn |
| Dec 31, 2021 | 1.13 Bn |
| Sep 30, 2021 | 1.33 Bn |
API Access
Oceaneering International Market Capitalization API
Pull this series into your own models, spreadsheets and apps with the Business Quant
Historical Metrics API. The request below matches the chart above — change the
frequency, period or values and it follows. Swap YOUR_API_KEY for your own key.
https://data.businessquant.com/historic?slug=market-capitalization&ticker=OII&period=max&api_key=YOUR_API_KEYimport requests
url = "https://data.businessquant.com/historic"
params = {"slug": "market-capitalization", "ticker": "OII", "period": "max", "api_key": "YOUR_API_KEY"}
data = requests.get(url, params=params).json()const res = await fetch("https://data.businessquant.com/historic?slug=market-capitalization&ticker=OII&period=max&api_key=YOUR_API_KEY");
const data = await res.json();