Transocean Ltd. (RIG) Institutional Ownership & Insider Trading
536 institutions reported holding Transocean Ltd. shares in 13F filings for the quarter ended 2026-06-30, according to EquiReason's reading of their SEC filings. 18 insider trades on Form 4 since 2025-10-01.
Source: SEC EDGAR filings · figures as of 2026-06-30 · read by EquiReason
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- 7.2B
- P/E TTM
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Institutions · all 13F filers
quarter to 30 Jun 2026 · filers in both quarters536 institutions held 90.0% of the shares. Across filers that reported both quarters, shares held changed +11.0%.
Largest moves, shares (millions)
Institutional flow by quarter
net shares added or trimmed, millions · filers in both quarters| Quarter | Holders | Shares held, M | Change | Increased | New | Decreased | Closed |
|---|---|---|---|---|---|---|---|
| Jun 26 | 536 | 1005 | +11.0% | 176 | 61 | 143 | 57 |
| Mar 26 | 533 | 900 | +22.3% | 158 | 112 | 126 | 49 |
| Dec 25 | 458 | 769 | +2.5% | 150 | 66 | 95 | 61 |
| Sep 25 | 442 | 753 | +25.1% | 149 | 74 | 91 | 42 |
| Jun 25 | 418 | 600 | -1.0% | 144 | 55 | 93 | 40 |
| Mar 25 | 403 | 605 | -0.3% | 116 | 28 | 109 | 59 |
| Dec 24 | 437 | 610 | +0.0% | 113 | 56 | 113 | 48 |
| Sep 24 | 417 | 605 | -4.4% | 111 | 49 | 107 | 42 |
Transocean Ltd. — questions
- Who owns Transocean Ltd. stock?
- 536 institutions reported Transocean Ltd. shares in 13F filings for the quarter ended 2026-06-30. The largest: BlackRock, Inc. (8.2%), DIMENSIONAL FUND ADVISORS LP (4.6%), VANGUARD PORTFOLIO MANAGEMENT LLC (4.4%).
- Are Transocean Ltd. insiders buying or selling?
- 18 insider trades on Form 4 since 2025-10-01; the full list, with dates, people and plan status, is on this page.
Every figure on this page comes from Transocean Ltd.'s own SEC filings — see them on SEC EDGAR. Price data is licensed and shown only inside the product.
How these figures are read: methodology · EquiReason.