Transocean Ownership

Who are the major shareholders and have insiders been buying or selling?

Recent Insider Transactions

NYSE:RIG Recent Insider Transactions by Companies or Individuals
Date	Value	Name	Entity	Shares	Max Price
26 Sep 25	BuyUS$12,200,000	Perestroika AS	Company	4,000,000	US$3.05
13 Jun 25	SellUS$130,400	Roderick Mackenzie	Individual	40,000	US$3.26
30 Apr 25	BuyUS$21,400	Vanessa C. Chang	Individual	10,000	US$2.14
22 Nov 24	SellUS$163,203	Roderick Mackenzie	Individual	37,261	US$4.38
18 Nov 24	SellUS$85,800	Roderick Mackenzie	Individual	20,000	US$4.29

Insider Trading Volume

Insider Buying: Insufficient data to determine if insiders have bought more shares than they have sold in the past 3 months.

Ownership Breakdown

What is the ownership structure of RIG?
Owner Type	Number of Shares	Ownership Percentage
Individual Insiders	14,404,989	1.35%
Private Companies	95,074,894	8.9%
General Public	310,143,012	29%
Institutions	648,502,091	60.7%

Dilution of Shares: Shareholders have been diluted in the past year, with total shares outstanding growing by 22%.

Top Shareholders

Top 25 shareholders own 57.67% of the company

Ownership	Name	Shares	Current Value	Change %	Portfolio %
8.9%	Perestroika AS	95,074,894	US$329.0m	4.39%	no data
7.42%	The Vanguard Group, Inc.	79,203,959	US$274.0m	0.8%	no data
6.98%	BlackRock, Inc.	74,542,856	US$257.9m	3.1%	no data
3.89%	British Columbia Investment Management Corporation	41,544,493	US$143.7m	0%	0.73%
3.64%	Dimensional Fund Advisors LP	38,901,527	US$134.6m	-4.33%	0.02%
3.44%	Capital Research and Management Company	36,740,356	US$127.1m	0.25%	0.01%
2.2%	American Century Investment Management Inc	23,449,768	US$81.1m	9.84%	0.03%
1.94%	State Street Global Advisors, Inc.	20,771,245	US$71.9m	-0.19%	no data
1.74%	Two Sigma Investments, LP	18,571,883	US$64.3m	35.9%	0.11%
1.69%	Geode Capital Management, LLC	18,095,187	US$62.6m	1.76%	no data
1.65%	Pelerin Global Corp	17,601,395	US$60.9m	-1.39%	12.28%
1.52%	Morgan Stanley	16,288,489	US$56.4m	44.7%	0.01%
1.5%	Two Sigma Advisers, LP	16,057,854	US$55.6m	64.2%	0.11%
1.29%	Van Eck Associates Corporation	13,805,367	US$47.8m	-7.74%	0.03%
1.23%	PRIMECAP Management Company	13,126,722	US$45.4m	-75.6%	0.03%
1.09%	Charles Schwab Investment Management, Inc.	11,694,525	US$40.5m	-3.53%	0.01%
1.05%	Citadel Advisors LLC	11,194,699	US$38.7m	242%	0.03%
1.01%	KeyBank National Association	10,837,010	US$37.5m	-19.6%	0.13%
1%	The Goldman Sachs Group, Inc.	10,688,663	US$37.0m	-5.49%	0.01%
1%	Renaissance Technologies LLC	10,637,636	US$36.8m	62.4%	0.05%
0.91%	UBS Asset Management AG	9,726,722	US$33.7m	56.5%	no data
0.79%	Point72 Asset Management, L.P.	8,439,260	US$29.2m	65.3%	0.05%
0.65%	Northern Trust Global Investments	6,902,661	US$23.9m	-2.18%	no data
0.59%	Jeremy Thigpen	6,261,813	US$21.7m	0%	no data
0.54%	Leap Investments LP	5,780,571	US$20.0m	288%	0.32%

Company Analysis and Financial Data Status

Data	Last Updated (UTC time)
Company Analysis	2025/10/08 22:01
End of Day Share Price	2025/10/08 00:00
Earnings	2025/06/30
Annual Earnings	2024/12/31

Data Sources

The data used in our company analysis is from S&P Global Market Intelligence LLC. The following data is used in our analysis model to generate this report. Data is normalised which can introduce a delay from the source being available.

Package	Data	Timeframe	Example US Source ^*
Company Financials	10 years	Income statement Cash flow statement Balance sheet	SEC Form 10-K SEC Form 10-Q
Analyst Consensus Estimates	+3 years	Forecast financials Analyst price targets	Analyst Research Reports Blue Matrix
Market Prices	30 years	Stock prices Dividends, Splits and Actions	ICE Market Data SEC Form S-1
Ownership	10 years	Top shareholders Insider trading	SEC Form 4 SEC Form 13D
Management	10 years	Leadership team Board of directors	SEC Form 10-K SEC Form DEF 14A
Key Developments	10 years	Company announcements	SEC Form 8-K

^* Example for US securities, for non-US equivalent regulatory forms and sources are used.

Unless specified all financial data is based on a yearly period but updated quarterly. This is known as Trailing Twelve Month (TTM) or Last Twelve Month (LTM) Data. Learn more.

Analysis Model and Snowflake

Details of the analysis model used to generate this report is available on our Github page, we also have guides on how to use our reports and tutorials on Youtube.

Learn about the world class team who designed and built the Simply Wall St analysis model.

Industry and Sector Metrics

Our industry and section metrics are calculated every 6 hours by Simply Wall St, details of our process are available on Github.

Analyst Sources

Transocean Ltd. is covered by 69 analysts. 10 of those analysts submitted the estimates of revenue or earnings used as inputs to our report. Analysts submissions are updated throughout the day.

Analyst	Institution
null null	ABG Sundal Collier
Kristoffer Iden	Arctic Securities ASA
null null	Argus Research Company