Transocean Ltd (RIG)
Energy
Oil & Gas Drilling
5.30 $
Closing price · As of: 31. Jul 2026
Who owns Transocean Ltd (RIG)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 82.8% of the shares are freely tradable; institutional investors hold 85.8%.
Ownership Structure
Institutional ownership
Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings.
85.8%
Float
Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders.
82.8%
Short % of float
Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices.
21.8%
Shares Outstanding
Total number of shares issued. Price times share count gives market cap.
1,107Mio.
Largest Shareholders
Institutions
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Group Inc | 8.76 | 97,006,263 | +2.6 | 12/31/2025 |
| BlackRock Inc | 7.98 | 88,371,248 | +0.3 | 03/31/2026 |
| Dimensional Fund Advisors, Inc. | 4.41 | 48,819,576 | +12.3 | 03/31/2026 |
| Vanguard Portfolio Management, LLC | 4.23 | 46,862,730 | +0.0 | 03/31/2026 |
| Two Sigma Investments LLC | 4.20 | 46,463,736 | +91.7 | 03/31/2026 |
| Vanguard Capital Management, LLC | 4.00 | 44,272,423 | +0.0 | 03/31/2026 |
| D. E. Shaw & Co LP | 3.55 | 39,262,599 | +139.0 | 03/31/2026 |
| Slate Path Capital LP | 2.72 | 30,062,100 | +0.0 | 03/31/2026 |
| Capital World Investors | 2.67 | 29,575,479 | +88.8 | 03/31/2026 |
Funds
| Name | Stake (%) | Shares | Change (%) | Date |
|---|---|---|---|---|
| Vanguard Total Stock Mkt Idx Inv | 2.85 | 31,528,863 | +0.3 | 04/30/2026 |
Largest reported positions according to regulatory filings; stake as a percentage of shares outstanding, change versus the previous filing. Source: fundamentals data.
Data as of: July 31, 2026 · Source: fundamental data & SEC filings (annual and quarterly reports, 10-K/10-Q)
Note: pure fact-based analysis, not investment advice and not a solicitation to buy or sell. All figures without guarantee.