Companies / Transocean Ltd.
Transocean Ltd.
NYSE: RIGForeign · IFRSCIK 1451505STEINHAUSEN
Financials · FY2025
Ownership
1.12B shares outstanding · as of Jul 28, 2026
Ownership
| Institutions | 75.73% | 845,773,681 |
| Public float | 24.27% | 271,106,404 |
% of common shares outstanding (exact, from the latest cover-page filing). Institutions are quarterly 13F snapshots; insiders reflect current officers & directors.
Insiders 9
View all →| Insider | % of shares | Shares |
|---|---|---|
Adamson KeelanCEOPRESIDENT AND CEO · Director | — | — |
Chang Vanessa C LDirector | — | — |
Deaton Chad CDirector | — | — |
Intrieri Vincent JDirector | — | — |
Long Brady KEVP & Chief Legal Officer | — | — |
Mackenzie Roderick JamesEVP, Chief Commercial Officer | — | — |
Pack JasonSVP, Chief Accounting Officer | — | — |
Thigpen Jeremy DExecutive Chair · Director | — | — |
Vayda Robert ThaddeusEVP, Chief Financial Officer | — | — |
Institutional holders 483
View all →| Holder | Value | % of shares |
|---|---|---|
| $449.53M | 8.23% | |
| $400.64M | 8.69% | |
| $308.05M | 4.16% | |
| $260.31M | 3.52% | |
| $179.53M | 3.89% | |
| $155.65M | 2.10% | |
| $132.76M | 2.43% | |
| $131.17M | 2.84% | |
| $113.53M | 2.46% | |
| $111.68M | 2.42% |
Activity
Jun 30, 2026View all →
InsidersInstitutions
Who's accumulating and trimming this stock (13F).| Date | Actor | Action | Security | Value | Shares Δ | Position after | Impact |
|---|---|---|---|---|---|---|---|
| Q1 2026 as of | D. E. Shaw & Co., Inc. 13F manager | Add | Common stock | $151.41M | +22.8M +139.04% | 39,262,599 3.52% of shares | high |
| Q1 2026 as of | Two Sigma Investments, LP 13F manager | Add | Common stock | $147.37M | +22.2M +91.71% | 46,463,736 4.16% of shares | high |
| Q1 2026 as of | Marshall Wace, LLP 13F manager | Add | Common stock | $106.12M | +16.0M +42120.43% | 16,043,764 1.44% of shares | high |
| Q4 2025 as of | Bank of America Corp /De 13F manager | Add | Common stock | $49.43M | +12.0M +338.48% | 15,504,361 1.39% of shares | medium |
| Q1 2026 as of | Renaissance Technologies LLC 13F manager | Trim | Common stock | $-39.12M | -5.9M -65.31% | 3,134,728 0.28% of shares | medium |
| Q4 2025 as of | Barclays PLC 13F manager | Add | Common stock | $31.12M | +7.5M +230.60% | 10,802,664 0.97% of shares | medium |
| Q1 2026 as of | Empyrean Capital Partners, LP 13F manager | New | Common stock | $30.30M | +4.6M | 4,570,463 0.41% of shares | medium |
| Q1 2026 as of | Millennium Management LLC 13F manager | Trim | Common stock | $-19.26M | -2.9M -38.24% | 4,691,515 0.42% of shares | medium |
5%+ ownership events
Schedule 13D / 13G
| Filer | Stance | % of class |
|---|---|---|
| Vanguard Group Inc | Passive13G/A | — |
Securities
via CUSIP / OpenFIGI
| Symbol | Type | CUSIP |
|---|---|---|
| RIG | — | H8817H100 |