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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 2026

Institutional positions in Transocean Ltd. as of Jun 30, 2026. 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
539
+5 vs. Q1 2026
Shares held
997.5M
+92.7M (+10.2%) vs. Q1 2026
Total value
$4.88B
−$1.11B (−18.6%) vs. Q1 2026
New holders
77
189 more added
Sold out
72
158 more reduced

8 institutions that held it in Q1 2026 haven't filed for Q2 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q1 2026: 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 2026: 539 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 2026: $4.88B
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 2026

Shares, value and share of portfolio for each institution holding Transocean Ltd.; share changes are against Q1 2026.

Institutions holding RIG in Q2 2026
InstitutionSharesValue% of portfolioChange in sharesAction
Jefferies Financial Group Inc.355,373$1.74M0.02%+205,821+137.6%Added
Kestra Advisory Services, LLC359,653$1.76M0.01%+8,758+2.5%Added
LMR Partners LLP378,400$1.85M0.01%−243,924−39.2%Reduced
Investment House LLC403,011$1.97M0.09%−4,814−1.2%Reduced
Keystone Investors Pte Ltd428,287$2.09M0.11%+428,287New
Zurcher Kantonalbank (Zurich Cantonalbank)428,851$2.10M0.00%+17,891+4.4%Added
Soviero Asset Management, LP440,000$2.15M1.04%−370,000−45.7%Reduced
Jupiter Topco LLC444,630$2.18M0.00%+444,630New
Tairen Capital Ltd445,100$2.18M0.19%+445,100New
Vanguard Global Advisers, LLC450,338$2.20M0.00%+43,614+10.7%Added
Numerai GP LLC451,885$2.21M0.18%+321,427+246.4%Added
Mirae Asset Global ETFs Holdings Ltd.455,129$2.23M0.00%+19,646+4.5%Added
Lonestar Capital Management LLC475,000$2.32M1.50%−425,000−47.2%Reduced
Millennium Management LLC485,134$2.37M0.00%−4,206,381−89.7%Reduced
Wolverine Asset Management LLC485,270$2.37M0.03%−252−0.1%Reduced
Barclays PLC508,508$2.49M0.00%−2,146,710−80.8%Reduced
Arkadios Wealth Advisors517,830$2.53M0.04%−31,251−5.7%Reduced
DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main520,000$2.54M0.00%00.0%Unchanged
Arlington Capital Management, Inc.534,299$2.61M1.62%+534,299New
AnglePoint Asset Management Ltd545,750$2.67M1.73%+545,750New
MetLife Investment Management575,365$2.81M0.01%+72,136+14.3%Added
Jump Financial, LLC590,983$2.89M0.03%−2,506,382−80.9%Reduced
Entropy Technologies, LP592,600$2.90M0.12%+592,600New
Lighthouse Investment Partners, LLC613,086$3.00M0.09%+400,071+187.8%Added
LPL Financial LLC628,164$3.07M0.00%+209,727+50.1%Added
Empowered Funds, LLC644,870$3.15M0.02%+141,335+28.1%Added
Cetera Investment Advisers649,659$3.18M0.00%−226,060−25.8%Reduced
Raymond James Financial Inc650,826$3.18M0.00%+331,828+104.0%Added
Red Cedar Investment Management, LLC653,933$3.20M0.30%+242,494+58.9%Added
Walleye Trading LLC665,666$3.26M0.05%+635,666+2,118.9%Added
Quantbot Technologies LP672,463$3.29M0.13%−24,637−3.5%Reduced
Marnell Management LLC740,270$3.62M1.84%+401,017+118.2%Added
Jain Global LLC742,866$3.63M0.04%+742,866New
Glazer Capital, LLC750,001$3.67M0.09%00.0%Unchanged
Engineers Gate Manager LP750,415$3.67M0.05%−360,946−32.5%Reduced
SummitTX Capital, L.P.762,730$3.73M0.10%+762,730New
Glenorchy Capital Ltd764,300$3.74M2.33%+13,798+1.8%Added
Citigroup Inc776,528$3.80M0.00%+323,947+71.6%Added
Vanguard Asset Management, Ltd834,658$4.08M0.00%+55,636+7.1%Added
Citadel Advisors LLC839,078$4.10M0.00%−2,675,633−76.1%Reduced
Qube Research & Technologies Ltd877,884$4.29M0.00%+877,884New
Keating Investment Counselors Inc890,148$4.35M1.20%+207,250+30.3%Added
HSBC Holdings PLC911,722$4.52M0.00%−2,005,180−68.7%Reduced
Franklin Resources Inc958,097$4.69M0.00%+271,165+39.5%Added
Oxbow Advisors, LLC959,604$4.69M0.38%+34,209+3.7%Added
Beaconlight Capital, LLC977,964$4.78M2.10%+651,017+199.1%Added
BNP Paribas Arbitrage, SA986,927$4.83M0.00%−2,259,688−69.6%Reduced
O'Shaughnessy Asset Management, LLC990,804$4.85M0.02%+990,804New
Legal & General Group Plc997,222$4.88M0.00%+34,188+3.6%Added
IMC-Chicago, LLC1,046,762$5.12M0.05%+1,003,528+2,321.2%Added
Marshall Wace, LLP1,055,592$5.16M0.00%−14,988,172−93.4%Reduced
Lloyd Harbor Capital Management, LLC1,075,100$5.26M6.13%−249,800−18.9%Reduced
Deutsche Bank AG1,078,828$5.28M0.00%+136,731+14.5%Added
California State Teachers Retirement System1,118,604$5.47M0.01%−38,574−3.3%Reduced
Hosking Partners LLP1,142,083$5.58M0.19%−180,865−13.7%Reduced
Gotham Asset Management, LLC1,144,956$5.60M0.01%+36,048+3.3%Added
Nomura Holdings Inc1,161,607$5.68M0.02%+285,439+32.6%Added
Price T Rowe Associates Inc1,271,051$6.22M0.00%+230,740+22.2%Added
Schonfeld Strategic Advisors LLC1,271,477$6.22M0.03%+1,201,620+1,720.1%Added
Rhumbline Advisers1,291,460$6.32M0.00%+112,176+9.5%Added
Wells Fargo & Company1,349,815$6.60M0.00%+8,423+0.6%Added
Manufacturers Life Insurance Company, The1,378,386$6.74M0.01%+1,442+0.1%Added
Alliancebernstein L.P.1,037,415$6.88M0.00%−15,700−1.5%Reduced
Algert Global LLC1,427,890$6.98M0.08%+40,400+2.9%Added
BKD Wealth Advisors, LLC1,502,697$7.35M0.12%−139,220−8.5%Reduced
Flat Footed LLC1,603,778$7.84M1.36%+1,603,778New
Creative Planning1,632,895$7.98M0.00%+51,260+3.2%Added
Clough Capital Partners L P1,700,814$8.32M0.68%−1,910,153−52.9%Reduced
Invesco Ltd.1,727,732$8.45M0.00%−631,095−26.8%Reduced
Fideuram Asset Management (Ireland) dac1,401,069$8.69M0.17%+1,377,912+5,950.3%Added
Neuberger Berman Group LLC1,785,212$8.73M0.01%+230,060+14.8%Added
Russell Investments Group, Ltd.1,804,318$8.83M0.01%+429,772+31.3%Added
Castleark Management LLC1,813,160$8.87M0.24%+976,040+116.6%Added
Canada Pension Plan Investment Board1,930,700$9.44M0.01%+285,500+17.4%Added
Swiss National Bank1,943,130$9.50M0.00%−18,800−1.0%Reduced
Capital Fund Management S.A.1,995,840$9.76M0.07%+1,995,840New
Masters Capital Management LLC2,000,000$9.78M1.37%00.0%Unchanged
BCJ Capital Management, LLC2,089,947$10.2M0.51%+522,512+33.3%Added
Fideuram - Intesa Sanpaolo Private Banking S.P.A.2,102,868$10.3M0.31%−494,498−19.0%Reduced
Nuveen, LLC2,329,295$11.4M0.00%−2,145,976−48.0%Reduced
Public Sector Pension Investment Board2,376,569$11.6M0.03%00.0%Unchanged
Primecap Management Co2,493,290$12.2M0.01%−80,000−3.1%Reduced
New York State Common Retirement Fund2,528,283$12.4M0.02%+351,801+16.2%Added
AQR Capital Management LLC2,543,245$12.4M0.00%−732,971−22.4%Reduced
Panagora Asset Management Inc2,608,633$12.8M0.04%+102,058+4.1%Added
Rokos Capital Management LLP2,619,483$12.8M0.16%−550,089−17.4%Reduced
Connor, Clark & Lunn Investment Management Ltd.2,815,057$13.8M0.03%+781,921+38.5%Added
Arvin Capital Management LP2,982,831$14.6M2.73%+2,800,831+1,538.9%Added
Madison Asset Management, LLC3,030,000$14.8M0.18%00.0%Unchanged
Man Group plc3,447,729$16.9M0.03%+296,092+9.4%Added
FMR LLC3,566,124$17.4M0.00%−367,215−9.3%Reduced
Penn Capital Management Co Inc3,566,644$17.5M1.11%+414,078+13.1%Added
Balyasny Asset Management LLC3,766,158$18.4M0.03%+1,255,386+50.0%Added
TIG Advisors, LLC3,981,919$19.5M0.90%+1,485,693+59.5%Added
Solus Alternative Asset Management LP4,470,000$21.9M6.39%00.0%Unchanged
Electron Capital Partners, LLC4,652,185$22.7M0.91%+4,652,185New
CIBC World Markets Inc.4,747,864$23.2M0.04%−455,624−8.8%Reduced
Bank of New York Mellon Corp4,791,474$23.4M0.00%−907,353−15.9%Reduced
Caledonia (Private) Investments Pty Ltd5,582,594$27.3M0.93%+5,582,594New
JPMorgan Chase & Co5,849,786$29.7M0.00%+1,363,042+30.4%Added