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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, Q2 2025

Institutional positions in Transocean Ltd. as of Jun 30, 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
427
+17 vs. Q1 2025
Shares held
600.5M
−5.12M (−0.8%) vs. Q1 2025
Total value
$1.56B
−$364.6M (−19.0%) vs. Q1 2025
New holders
66
160 more added
Sold out
49
100 more reduced

3 institutions that held it in Q1 2025 haven't filed for Q2 2025 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 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 holdersQ2 2025: 427 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 heldQ2 2025: $1.56B
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, Q2 2025

Shares, value and share of portfolio for each institution holding Transocean Ltd.; share changes are against Q1 2025.

Institutions holding RIG in Q2 2025
InstitutionSharesValue% of portfolioChange in sharesAction
Vanguard Group Inc79,203,959$205.1M0.00%+631,157+0.8%Added
BlackRock, Inc.74,542,856$193.1M0.00%+2,239,419+3.1%Added
Dimensional Fund Advisors LP38,901,527$100.8M0.02%−1,758,912−4.3%Reduced
Capital World Investors36,740,356$95.2M0.01%+90,916+0.2%Added
American Century Companies Inc23,449,768$60.7M0.03%+2,101,673+9.8%Added
State Street Corp20,771,245$53.8M0.00%−38,698−0.2%Reduced
Two Sigma Investments, LP18,571,883$48.1M0.09%+4,901,384+35.9%Added
Morgan Stanley18,423,994$47.7M0.00%+6,480,573+54.3%Added
Geode Capital Management, LLC18,095,187$46.9M0.00%+313,670+1.8%Added
Pilgrim Global Advisors LLC17,601,395$45.6M9.64%−248,064−1.4%Reduced
Two Sigma Advisers, LP16,057,854$41.6M0.09%+6,275,600+64.2%Added
Van Eck Associates Corp13,805,367$35.8M0.04%−1,158,858−7.7%Reduced
Primecap Management Co13,112,822$34.0M0.03%−40,723,249−75.6%Reduced
Goldman Sachs Group Inc11,909,694$30.8M0.00%−242,123−2.0%Reduced
Charles Schwab Investment Management Inc11,694,525$30.3M0.01%−427,832−3.5%Reduced
Citadel Advisors LLC11,194,699$29.0M0.03%+7,923,043+242.2%Added
Keybank National Association10,837,010$28.1M0.10%−2,643,341−19.6%Reduced
Renaissance Technologies LLC10,637,636$27.6M0.04%+4,085,508+62.4%Added
UBS Group AG7,776,981$20.1M0.00%+2,829,138+57.2%Added
Northern Trust Corp6,902,661$17.9M0.00%−153,510−2.2%Reduced
Jump Financial, LLC5,780,571$15.0M0.18%+4,290,971+288.1%Added
Jane Street Group, LLC5,165,340$13.4M0.02%+4,704,440+1,020.7%Added
Cubist Systematic Strategies, LLC4,589,083$11.9M0.13%+2,164,158+89.2%Added
Solus Alternative Asset Management LP4,470,000$11.6M4.14%00.0%Unchanged
Tudor Investment Corp Et Al4,268,368$11.1M0.08%+4,268,368New
Paloma Partners Management Co4,200,000$10.9M2.47%+3,120,000+288.9%Added
Bank of America Corp4,161,479$10.8M0.00%−2,040,104−32.9%Reduced
Susquehanna International Group, LLP4,071,652$10.5M0.02%+644,477+18.8%Added
CIBC World Markets Inc.3,941,457$10.2M0.02%+3,824,697+3,275.7%Added
Ion Asset Management Ltd.3,900,000$10.1M0.61%−400,000−9.3%Reduced
Point72 Asset Management, L.P.3,842,658$9.95M0.02%+1,174,921+44.0%Added
Ensign Peak Advisors, Inc3,796,943$9.83M0.02%−3,277,882−46.3%Reduced
Squarepoint Ops LLC3,374,402$8.74M0.02%−402,612−10.7%Reduced
Penn Capital Management Co Inc3,186,056$8.27M0.72%−81,999−2.5%Reduced
Madison Asset Management, LLC2,975,000$7.71M0.08%00.0%Unchanged
Bank of New York Mellon Corp2,887,623$7.48M0.00%−1,594,772−35.6%Reduced
D. E. Shaw & Co., Inc.2,883,493$7.47M0.01%+2,679,061+1,310.5%Added
Kailix Advisors LLC2,721,032$7.05M10.91%−563,169−17.1%Reduced
Nuveen, LLC2,718,911$7.04M0.00%+266,672+10.9%Added
New York State Common Retirement Fund2,245,891$5.82M0.01%+42,700+1.9%Added
Millennium Management LLC2,190,482$5.67M0.01%+1,426,683+186.8%Added
Contrarius Group Holdings Ltd2,104,832$5.45M0.31%+2,104,832New
Manufacturers Life Insurance Company, The2,057,389$5.31M0.00%+398,812+24.0%Added
Lloyd Harbor Capital Management, LLC2,025,000$5.24M3.68%+2,025,000New
Group One Trading, L.P.2,020,722$5.23M0.17%−10,896−0.5%Reduced
Royal Bank of Canada2,014,924$5.22M0.00%+1,920,926+2,043.6%Added
UBS Asset Management Americas Inc1,949,741$5.05M0.00%+680,488+53.6%Added
Barclays PLC1,891,739$4.90M0.00%+547,998+40.8%Added
Corigliano Investment Advisers, LLC1,779,571$4.61M1.45%+1,779,571New
Tejara Capital Ltd1,653,786$4.28M1.99%−138,762−7.7%Reduced
Clough Capital Partners L P1,538,257$3.98M0.40%−1,357,392−46.9%Reduced
Verition Fund Management LLC1,461,764$3.79M0.02%+879,128+150.9%Added
Swiss National Bank1,434,430$3.72M0.00%−7,900−0.5%Reduced
Gendell Jeffrey L1,400,000$3.63M0.10%−3,134,441−69.1%Reduced
Rhumbline Advisers1,140,122$2.95M0.00%+63,378+5.9%Added
Hosking Partners LLP1,090,136$2.82M0.11%−1,060,528−49.3%Reduced
Creative Planning1,072,043$2.78M0.00%+506,624+89.6%Added
Muhlenkamp & Co Inc1,058,760$2.74M0.86%+34,122+3.3%Added
Quantbot Technologies LP1,046,818$2.71M0.07%+829,802+382.4%Added
Marshall Wace, LLP1,034,734$2.68M0.00%−1,037,134−50.1%Reduced
Invesco Ltd.1,032,774$2.67M0.00%+233,458+29.2%Added
LPL Financial LLC976,672$2.53M0.00%−65,281−6.3%Reduced
Wells Fargo & Company944,102$2.45M0.00%−625,422−39.8%Reduced
Legal & General Group Plc920,803$2.38M0.00%+63,591+7.4%Added
HRT Financial LP812,283$2.10M0.01%−1,920,470−70.3%Reduced
Arkadios Wealth Advisors794,790$2.06M0.06%+600,477+309.0%Added
Alliancebernstein L.P.767,182$1.99M0.00%00.0%Unchanged
Russell Investments Group, Ltd.740,199$1.92M0.00%+19,696+2.7%Added
JPMorgan Chase & Co715,279$1.85M0.00%−1,034,562−59.1%Reduced
Gotham Asset Management, LLC704,682$1.83M0.01%−94,819−11.9%Reduced
California State Teachers Retirement System687,747$1.78M0.00%+8,720+1.3%Added
Glenorchy Capital Ltd670,998$1.74M1.28%+14,231+2.2%Added
Great West Life Assurance Co624,108$1.61M0.00%+205,872+49.2%Added
Price T Rowe Associates Inc620,118$1.61M0.00%+52,468+9.2%Added
Citigroup Inc595,550$1.54M0.00%+38,148+6.8%Added
HSBC Holdings PLC557,643$1.46M0.00%+472,953+558.5%Added
Deutsche Bank AG541,399$1.40M0.00%−76,353−12.4%Reduced
L & S Advisors Inc–$1.32M0.13%––
Neuberger Berman Group LLC499,789$1.29M0.00%+154,803+44.9%Added
Keating Investment Counselors Inc494,750$1.28M0.39%+38,300+8.4%Added
First Trust Advisors LP453,469$1.17M0.00%+105,841+30.4%Added
MetLife Investment Management444,347$1.15M0.01%+19,741+4.6%Added
Mirae Asset Global ETFs Holdings Ltd.408,523$1.06M0.00%−25,508−5.9%Reduced
Wolverine Asset Management LLC349,853$906.1K0.02%00.0%Unchanged
Intech Investment Management LLC347,966$901.2K0.01%+23,087+7.1%Added
Janus Henderson Group PLC343,177$887.1K0.00%00.0%Unchanged
Advisory Services Network, LLC301,637$880.8K0.01%+16,753+5.9%Added
Dynamic Technology Lab Private Ltd299,795$776.0K0.11%+299,795New
Blair William & Co295,838$766.2K0.00%+13,199+4.7%Added
DRW Securities, LLC288,639$747.6K0.05%+288,639New
Vontobel Holding Ltd.284,511$736.9K0.00%+43,662+18.1%Added
180 Wealth Advisors, LLC276,851$717.0K0.10%+113,320+69.3%Added
Kestra Advisory Services, LLC260,572$674.9K0.00%−18,311−6.6%Reduced
Centiva Capital, LP257,606$667.2K0.04%+587+0.2%Added
IMC-Chicago, LLC252,594$654.2K0.02%−86,117−25.4%Reduced
Gifford Fong Associates250,000$648.0K0.15%00.0%Unchanged
Dark Forest Capital Management LP249,477$646.1K0.03%+87,391+53.9%Added
Universal- Beteiligungs- und Servicegesellschaft mbH249,353$645.8K0.00%+82,151+49.1%Added
Quinn Opportunity Partners LLC239,000$619.0K0.05%00.0%Unchanged
FMR LLC237,077$614.0K0.00%−682,234−74.2%Reduced