Transocean Ltd. RIG
Institutional shares held
733 Million
16.2M
calls
28.6M
puts
Total value of holdings
$2.94B
$65.1M
calls
$115M
puts
Market Cap
$3B
748,710,976
Shares Out.
Institutional ownership
97.95%
# of Institutions
555
We take great care to ensure that the data presented and summarized in this overview for Transocean Ltd. is accurate and up-to-date, based on a comprehensive analysis of 13F filing forms for institutional ownership and form 4 filings for insider transactions. Please note that this data may differ from other sources and should not be relied upon as the sole basis for investment decisions.
Top Institutions Holding RIG
View all-
Vanguard Group Inc Valley Forge, PA94.5MShares$379 Million0.0% of portfolio
-
Black Rock Inc. New York, NY64.9MShares$260 Million0.01% of portfolio
-
Dimensional Fund Advisors LP Austin, TX36MShares$144 Million0.02% of portfolio
-
Pilgrim Global Advisors LLC Reno, NV31.8MShares$127 Million19.24% of portfolio
-
American Century Companies Inc Kansas City, MO26.5MShares$106 Million0.04% of portfolio
-
Mohnish Pabrai Dalal Street, LLC | Austin, Tx24.4MShares$98 Million23.1% of portfolio
-
Morgan Stanley New York, NY22.7MShares$90.8 Million0.0% of portfolio
-
Goldman Sachs Group Inc New York, NY22MShares$88 Million0.01% of portfolio
-
State Street Corp Boston, MA21.9MShares$87.7 Million0.0% of portfolio
-
Geode Capital Management, LLC Boston, MA21.3MShares$85.3 Million0.0% of portfolio
Latest Institutional Activity in RIG
Top Purchases
Top Sells
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
View all| Date | Insider | Transaction | Ownership Type | Shares Traded | Value / Price |
|---|---|---|---|---|---|
|
Dec 05
2025
|
Keelan Adamson PRESIDENT AND CEO |
SELL
Open market or private sale
|
Direct |
57,968
-4.26%
|
$231,872
$4.5 P/Share
|
|
Dec 04
2025
|
Keelan Adamson PRESIDENT AND CEO |
SELL
Open market or private sale
|
Direct |
8,469
-0.62%
|
$33,876
$4.5 P/Share
|
|
Dec 03
2025
|
Roderick James Mackenzie EVP, Chief Commercial Officer |
SELL
Open market or private sale
|
Direct |
35,000
-14.17%
|
$140,000
$4.48 P/Share
|
|
Nov 26
2025
|
Robert Thaddeus Vayda EVP, Chief Financial Officer |
SELL
Open market or private sale
|
Direct |
30,000
-11.31%
|
$120,000
$4.29 P/Share
|
|
Nov 26
2025
|
Jeremy D Thigpen Executive Chair |
SELL
Open market or private sale
|
Direct |
500,000
-18.97%
|
$2,000,000
$4.32 P/Share
|
|
Nov 24
2025
|
Perestroika |
BUY
Open market or private purchase
|
Indirect |
1,500,000
+1.53%
|
$6,000,000
$4.02 P/Share
|
|
Nov 24
2025
|
Perestroika (Cyprus) LTD |
BUY
Open market or private purchase
|
Direct |
1,500,000
+1.53%
|
$6,000,000
$4.02 P/Share
|
|
Nov 24
2025
|
Frederik Wilhelm Mohn |
BUY
Open market or private purchase
|
Indirect |
1,500,000
+1.53%
|
$6,000,000
$4.02 P/Share
|
|
Oct 31
2025
|
Roderick James Mackenzie EVP, Chief Commercial Officer |
SELL
Open market or private sale
|
Direct |
53,769
-17.87%
|
$161,307
$3.86 P/Share
|
|
Oct 24
2025
|
Keelan Adamson PRESIDENT AND CEO |
SELL
Open market or private sale
|
Direct |
40,942
-2.9%
|
$163,768
$4.0 P/Share
|
|
Oct 24
2025
|
Brady K Long EVP & Chief Legal Officer |
SELL
Open market or private sale
|
Direct |
97,090
-7.71%
|
$388,360
$4.0 P/Share
|
|
Sep 26
2025
|
Frederik Wilhelm Mohn |
BUY
Open market or private purchase
|
Indirect |
4,000,000
+4.04%
|
$12,000,000
$3.05 P/Share
|
|
Sep 26
2025
|
Perestroika |
BUY
Open market or private purchase
|
Indirect |
4,000,000
+4.04%
|
$12,000,000
$3.05 P/Share
|
|
Sep 26
2025
|
Perestroika (Cyprus) LTD |
BUY
Open market or private purchase
|
Direct |
4,000,000
+4.04%
|
$12,000,000
$3.05 P/Share
|
|
Jun 13
2025
|
Roderick James Mackenzie EVP, Chief Commercial Officer |
SELL
Open market or private sale
|
Direct |
40,000
-11.74%
|
$120,000
$3.26 P/Share
|
|
May 30
2025
|
Robert Thaddeus Vayda EVP, Chief Financial Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
8,715
-3.18%
|
$17,430
$2.57 P/Share
|
|
May 30
2025
|
Jason Pack SVP, Chief Accounting Officer |
SELL
Payment of exercise price or tax liability
|
Direct |
1,159
-0.57%
|
$2,318
$2.57 P/Share
|
|
May 29
2025
|
Robert Thaddeus Vayda EVP, Chief Financial Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
21,879
+7.4%
|
$43,758
$2.57 P/Share
|
|
May 29
2025
|
Jason Pack SVP, Chief Accounting Officer |
BUY
Exercise of conversion of derivative security
|
Direct |
2,901
+1.4%
|
$5,802
$2.57 P/Share
|
|
May 12
2025
|
Roderick James Mackenzie EVP, Chief Commercial Officer |
SELL
Open market or private sale
|
Direct |
22,000
-6.06%
|
$44,000
$2.78 P/Share
|
Last 12 Months Summary
Buy / Acquisition
20.1M
Shares
From
10
Insiders
| Open market or private purchase | 16.5M shares |
|---|---|
| Exercise of conversion of derivative security | 3.58M shares |
Sell / Disposition
2.38M
Shares
From
11
Insiders
| Payment of exercise price or tax liability | 1.43M shares |
|---|---|
| Open market or private sale | 951K shares |