Institutional shares held 586 Million
10.8M calls
18M puts
Total value of holdings $1.72B
$31.7M calls
$53.1M puts
Market Cap $2.2B
748,710,976 Shares Out.
Institutional ownership 78.32%
# of Institutions 499


Latest Institutional Activity in RIG

Top Purchases

Q2 2025
Citadel Advisors LLC Shares Held: 11.2M ($32.9M)
Q2 2025
Morgan Stanley Shares Held: 18.4M ($54.2M)
Q2 2025
Two Sigma Advisers, LP Shares Held: 16.1M ($47.2M)
Q2 2025
Two Sigma Investments, LP Shares Held: 18.6M ($54.6M)
Q2 2025
Jane Street Group, LLC Shares Held: 5.17M ($15.2M)

Top Sells

Q2 2025
Primecap Management CO Shares Held: 13.1M ($38.6M)
Q2 2025
Gendell Jeffrey L Shares Held: 1.4M ($4.12M)
Q2 2025
Keybank National Association Shares Held: 10.8M ($31.9M)
Q2 2025
Bank Of America Corp Shares Held: 4.16M ($12.2M)
Q2 2025
Hrt Financial LP Shares Held: 812K ($2.39M)

About RIG

Transocean Ltd., together with its subsidiaries, provides offshore contract drilling services for oil and gas wells worldwide. It contracts its mobile offshore drilling rigs, related equipment, and work crews to drill oil and gas wells. As of February 14, 2022, the company had partial ownership interests in and operated a fleet of 37 mobile offshore drilling units, including 27 ultra-deep water and 10 harsh environment floaters. It serves integrated energy companies, government-owned or government-controlled oil companies, and other independent energy companies. The company was founded in 1926 and is based in Steinhausen, Switzerland.


Insider Transactions at RIG

Insider Transaction List

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Date Insider Transaction Ownership Type Shares Traded Value / Price
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Last 12 Months Summary

Buy / Acquisition
8.09M Shares
From 10 Insiders
Open market or private purchase 4.51M shares
Exercise of conversion of derivative security 3.58M shares
Sell / Disposition
1.66M Shares
From 7 Insiders
Payment of exercise price or tax liability 1.43M shares
Open market or private sale 229K shares

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