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Transocean Ltd.

RIG
Exchange
NYSE
Industry
Drilling Oil & Gas Wells
SEC CIK
0001451505

In the last 90 days, Transocean Ltd. insiders filed 1 open-market purchase and 0 sales; 539 institutions reported holding it in 13F filings for Q2 2026, worth $4.88B in total; superinvestors Pabrai Investment Funds and Elliott Investment Management hold it.

13F holders, Q4 2025

Institutional positions in Transocean Ltd. as of Dec 31, 2025. Investment managers with $100 million or more in US stocks report their long positions on Form 13F within 45 days after each quarter ends. How 13F works

Institutional holders
471
+25 vs. Q3 2025
Shares held
771.9M
+30.7M (+4.1%) vs. Q3 2025
Total value
$3.19B
+$876.0M (+37.9%) vs. Q3 2025
New holders
95
166 more added
Sold out
70
106 more reduced

11 institutions that held it in Q3 2025 haven't filed for Q4 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q3 2025: new holders, sold out and not filed yet

Holders and value by quarter

Institutions reporting RIG on Form 13F each quarter since Q1 2021, and the total value they reported. Values are as of each quarter end, so they also move with the share price.

Institutional holdersQ4 2025: 471 institutions
Q1 2021: 292 institutionsQ2 2021: 306 institutionsQ3 2021: 296 institutionsQ4 2021: 317 institutionsQ1 2022: 335 institutionsQ2 2022: 330 institutionsQ3 2022: 339 institutionsQ4 2022: 376 institutionsQ1 2023: 404 institutionsQ2 2023: 394 institutionsQ3 2023: 427 institutionsQ4 2023: 432 institutionsQ1 2024: 429 institutionsQ2 2024: 419 institutionsQ3 2024: 427 institutionsQ4 2024: 448 institutionsQ1 2025: 413 institutionsQ2 2025: 427 institutionsQ3 2025: 457 institutionsQ4 2025: 471 institutionsQ1 2026: 542 institutionsQ2 2026: 539 institutions
Value heldQ4 2025: $3.19B
Q1 2021: $1.17BQ2 2021: $1.55BQ3 2021: $1.22BQ4 2021: $898.4MQ1 2022: $1.73BQ2 2022: $1.27BQ3 2022: $983.1MQ4 2022: $2.11BQ1 2023: $3.35BQ2 2023: $3.60BQ3 2023: $4.43BQ4 2023: $3.48BQ1 2024: $3.46BQ2 2024: $3.23BQ3 2024: $2.57BQ4 2024: $2.29BQ1 2025: $1.92BQ2 2025: $1.56BQ3 2025: $2.34BQ4 2025: $3.19BQ1 2026: $6.01BQ2 2026: $4.88B
Institutions holding RIG and their total value by quarter
QuarterHoldersValue
Q2 2026539$4.88B
Q1 2026542$6.01B
Q4 2025471$3.19B
Q3 2025457$2.34B
Q2 2025427$1.56B
Q1 2025413$1.92B
Q4 2024448$2.29B
Q3 2024427$2.57B
Q2 2024419$3.23B
Q1 2024429$3.46B
Q4 2023432$3.48B
Q3 2023427$4.43B
Q2 2023394$3.60B
Q1 2023404$3.35B
Q4 2022376$2.11B
Q3 2022339$983.1M
Q2 2022330$1.27B
Q1 2022335$1.73B
Q4 2021317$898.4M
Q3 2021296$1.22B
Q2 2021306$1.55B
Q1 2021292$1.17B

Institutions, Q4 2025

Shares, value and share of portfolio for each institution holding Transocean Ltd.; share changes are against Q3 2025.

Institutions holding RIG in Q4 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc97,006,263$400.6M0.01%+2,487,015+2.6%Added
BlackRock, Inc.88,142,959$364.0M0.01%+2,930,623+3.4%Added
Dimensional Fund Advisors LP43,470,312$179.5M0.04%+7,516,589+20.9%Added
Pilgrim Global Advisors LLC31,759,346$131.2M24.30%00.0%Unchanged
American Century Companies Inc27,488,687$113.5M0.06%+1,032,133+3.9%Added
Dalal Street, LLCSuperinvestorPabrai Investment Funds27,040,133$111.7M27.78%+2,597,801+10.6%Added
Morgan Stanley24,790,325$102.4M0.01%+2,135,964+9.4%Added
State Street Corp24,725,897$102.1M0.00%+2,856,372+13.1%Added
Two Sigma Investments, LP24,235,919$100.1M0.15%+5,599,731+30.0%Added
Geode Capital Management, LLC22,797,180$94.2M0.01%+1,515,893+7.1%Added
Two Sigma Advisers, LP22,213,154$91.7M0.18%+3,563,600+19.1%Added
Van Eck Associates Corp16,824,069$69.5M0.06%+2,133,778+14.5%Added
D. E. Shaw & Co., Inc.16,425,031$67.8M0.05%+13,606,705+482.8%Added
Goldman Sachs Group Inc16,045,959$66.3M0.01%−5,904,571−26.9%Reduced
Capital World Investors15,665,736$64.7M0.01%−3,000,000−16.1%Reduced
Bank of America Corp15,504,361$64.0M0.00%+11,968,426+338.5%Added
Keybank National Association12,251,077$50.6M0.18%+977,623+8.7%Added
Barclays PLC10,802,664$44.6M0.02%+7,535,041+230.6%Added
Gendell Jeffrey L10,789,833$44.6M0.78%+2,766,482+34.5%Added
Charles Schwab Investment Management Inc9,997,978$41.3M0.01%−343,896−3.3%Reduced
Renaissance Technologies LLC9,035,328$37.3M0.06%+7,287,083+416.8%Added
Susquehanna International Group, LLP8,867,750$36.6M0.05%−2,993,471−25.2%Reduced
Northern Trust Corp7,897,577$32.6M0.00%+6150.0%Added
Millennium Management LLC7,596,497$31.4M0.02%−676,065−8.2%Reduced
Citadel Advisors LLC7,005,529$28.9M0.02%+2,455,153+54.0%Added
JPMorgan Chase & Co5,509,256$22.8M0.00%+1,004,938+22.3%Added
UBS Group AG5,470,273$22.6M0.00%−221,891−3.9%Reduced
Squarepoint Ops LLC5,414,332$22.4M0.05%+4,584,788+552.7%Added
CIBC World Markets Inc.5,310,718$21.9M0.04%+427,724+8.8%Added
Jefferies Financial Group Inc.4,610,882$19.0M0.16%+4,574,338+12,517.3%Added
Clough Capital Partners L P4,577,619$18.9M1.70%+619,566+15.7%Added
Solus Alternative Asset Management LP4,470,000$18.5M5.98%00.0%Unchanged
Zimmer Partners, LP4,463,252$18.4M0.49%−5,236,000−54.0%Reduced
ION Fund Management Ltd4,396,123$18.2M2.32%+4,396,123New
Primecap Management Co3,984,970$16.5M0.01%−6,097,020−60.5%Reduced
Penn Capital Management Co Inc3,755,392$15.6M1.24%+256,112+7.3%Added
Ensign Peak Advisors, Inc3,413,140$14.1M0.02%−424,697−11.1%Reduced
Bank of New York Mellon Corp3,395,530$14.0M0.00%+297,261+9.6%Added
HSBC Holdings PLC3,117,030$12.9M0.01%+2,674,466+604.3%Added
Madison Asset Management, LLC3,030,000$12.5M0.14%00.0%Unchanged
AQR Capital Management LLC2,974,556$12.3M0.01%+2,707,135+1,012.3%Added
BKD Wealth Advisors, LLC2,932,090$12.1M0.23%+2,932,090New
Walleye Trading LLC2,910,085$12.0M0.19%+666,340+29.7%Added
Nuveen, LLC2,756,533$11.4M0.00%−109,696−3.8%Reduced
Qube Research & Technologies Ltd2,700,622$11.2M0.02%+2,700,622New
Algert Global LLC2,649,270$10.9M0.17%+131,050+5.2%Added
New York State Common Retirement Fund2,600,337$10.7M0.01%+255,977+10.9%Added
Public Sector Pension Investment Board2,582,683$10.7M0.04%+2,582,683New
Brandywine Global Investment Management, LLC2,523,548$10.4M0.07%+2,044,544+426.8%Added
Burkehill Global Management, LP2,500,000$10.3M0.68%−3,000,000−54.5%Reduced
Lloyd Harbor Capital Management, LLC2,250,000$9.29M5.01%−645,000−22.3%Reduced
BNP Paribas Arbitrage, SA2,169,307$8.96M0.01%+1,921,344+774.9%Added
HighTower Advisors, LLC2,085,842$8.61M0.01%+523,528+33.5%Added
Wells Fargo & Company1,959,574$8.09M0.00%+798,667+68.8%Added
Point72 Asset Management, L.P.1,956,854$8.08M0.01%−4,881,243−71.4%Reduced
Swiss National Bank1,953,630$8.07M0.00%+64,800+3.4%Added
Jane Street Group, LLC1,860,763$7.68M0.01%−1,561,799−45.6%Reduced
Icon Advisers Inc1,800,000$7.43M1.61%+1,800,000New
Lonestar Capital Management LLC1,800,000$7.43M3.98%+1,800,000New
Contrarius Group Holdings Ltd1,649,457$6.81M0.33%−333,834−16.8%Reduced
Russell Investments Group, Ltd.1,468,542$6.07M0.01%+335,687+29.6%Added
Gotham Asset Management, LLC1,446,664$5.97M0.02%−522,655−26.5%Reduced
Citigroup Inc1,441,189$5.95M0.00%+622,408+76.0%Added
UBS Asset Management Americas Inc1,361,448$5.62M0.00%+1,361,448New
Manufacturers Life Insurance Company, The1,352,730$5.60M0.00%+52,432+4.0%Added
Creative Planning1,310,714$5.41M0.00%+90,413+7.4%Added
Polymer Capital Management (US) LLC1,219,672$5.04M0.65%+194,205+18.9%Added
Neuberger Berman Group LLC1,208,593$4.99M0.00%+348,428+40.5%Added
Steadfast Capital Management LP1,164,000$4.81M0.08%−1,175,610−50.2%Reduced
Verition Fund Management LLC1,142,433$4.72M0.03%−452,295−28.4%Reduced
Castleark Management LLC1,141,690$4.72M0.14%+1,141,690New
Rhumbline Advisers1,137,647$4.70M0.00%+22,354+2.0%Added
Hosking Partners LLP1,130,657$4.67M0.16%+52,735+4.9%Added
Legal & General Group Plc1,101,908$4.55M0.00%+64,432+6.2%Added
BCJ Capital Management, LLC1,010,186$4.17M0.24%−644,206−38.9%Reduced
Masters Capital Management LLC1,000,000$4.13M0.57%00.0%Unchanged
Invesco Ltd.970,360$4.01M0.00%−64,106−6.2%Reduced
Group One Trading, L.P.940,572$3.88M0.12%−1,994,695−68.0%Reduced
California State Teachers Retirement System937,059$3.87M0.00%+31,236+3.4%Added
FMR LLC922,005$3.81M0.00%+146,629+18.9%Added
Alliancebernstein L.P.916,615$3.79M0.00%+149,386+19.5%Added
Franklin Resources Inc901,105$3.72M0.00%+686,017+318.9%Added
Healthcare of Ontario Pension Plan Trust Fund875,937$3.62M0.01%+875,937New
Price T Rowe Associates Inc835,391$3.45M0.00%+126,275+17.8%Added
Soviero Asset Management, LP800,000$3.30M1.73%+220,000+37.9%Added
Voleon Capital Management LP796,747$3.29M0.07%+774,543+3,488.3%Added
Deutsche Bank AG777,686$3.21M0.00%+83,156+12.0%Added
Victory Capital Management Inc743,065$3.07M0.00%+652,855+723.7%Added
CenterBook Partners LP699,993$2.89M0.14%+699,993New
Glenorchy Capital Ltd691,779$2.86M1.86%+21,604+3.2%Added
Keating Investment Counselors Inc687,604$2.84M0.79%+28,865+4.4%Added
Arkadios Wealth Advisors652,018$2.69M0.05%−124,181−16.0%Reduced
Acadian Asset Management LLC641,383$2.64M0.00%+515,872+411.0%Added
SG Americas Securities, LLC620,400$2.56M0.00%+409,864+194.7%Added
Jump Financial, LLC610,949$2.52M0.03%+610,949New
XTX Topco Ltd572,632$2.36M0.06%−214,877−27.3%Reduced
Fideuram - Intesa Sanpaolo Private Banking S.P.A.566,158$2.34M0.08%+566,158New
State of New Jersey Common Pension Fund D522,242$2.16M0.01%+522,242New
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main520,000$2.15M0.00%+520,000New
MetLife Investment Management512,407$2.12M0.01%+17,604+3.6%Added