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Buy Day today: Neutral (46) Mixed market breadth · no major macro event
RIG

Transocean Ltd

Energy · Oil & Gas Drilling

6.90$ +3.7% vs. previous close Closing price · As of: Oct 30, 2026

Ownership

Ownership Structure

Who owns Transocean Ltd (RIG)? This page shows the largest institutions and funds, the ownership structure and the latest insider transactions. 82.7% of the shares are freely tradable; institutional investors hold 85.8%.

Institutional ownership ?Share of the stock held by institutional investors (funds, banks, insurers) according to regulatory filings. 85.8%
Insiders ?Share of the stock held by the executives, founders and major shareholders of the company itself. 13.0%
Float ?Share of stock freely tradable on the market — not locked up in the hands of founders, insiders, or major shareholders. 82.7%
Short % of float ?Shares sold short as a percentage of the freely tradable float — high values signal many bets on falling prices. 29.4%
Shares Outstanding ?Total number of shares issued. Price times share count gives market cap. 1,117Mio.

Largest Shareholders

Institutions

Institutions RIG
Name Stake (%) Shares Change (%) Date
BlackRock Inc 8.23 91,927,924 +4.0 06/30/2026
Dimensional Fund Advisors, Inc. 4.57 51,009,878 +4.5 06/30/2026
Vanguard Portfolio Management, LLC 4.41 49,296,587 +5.2 06/30/2026
Two Sigma Investments LLC 4.14 46,205,304 -0.6 06/30/2026
Vanguard Capital Management, LLC 4.05 45,200,594 +2.1 06/30/2026
D. E. Shaw & Co LP 3.74 41,793,600 +6.4 06/30/2026
Slate Path Capital LP 3.34 37,266,300 +24.0 06/30/2026
Capital World Investors 2.77 30,973,850 +4.7 06/30/2026

Funds

Funds RIG
Name Stake (%) Shares Change (%) Date
Vanguard MStar Total Stk Mkt Idx Invest 2.87 32,016,172 +0.3 09/30/2026
American Funds SMALLCAP World A 2.75 30,676,471 +35.3 09/30/2026

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: October 30, 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.

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