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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; 547 institutions reported holding it in 13F filings for Q2 2026, worth $5.31B 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
547
+8 vs. Q1 2026
Shares held
1.02B
+107.6M (+11.8%) vs. Q1 2026
Total value
$5.31B
−$1.20B (−18.5%) vs. Q1 2026
New holders
77
190 more added
Sold out
69
159 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: 547 institutions
Q1 2021: 292 institutionsQ2 2021: 306 institutionsQ3 2021: 296 institutionsQ4 2021: 317 institutionsQ1 2022: 334 institutionsQ2 2022: 329 institutionsQ3 2022: 338 institutionsQ4 2022: 380 institutionsQ1 2023: 410 institutionsQ2 2023: 402 institutionsQ3 2023: 435 institutionsQ4 2023: 441 institutionsQ1 2024: 438 institutionsQ2 2024: 428 institutionsQ3 2024: 433 institutionsQ4 2024: 453 institutionsQ1 2025: 420 institutionsQ2 2025: 433 institutionsQ3 2025: 461 institutionsQ4 2025: 476 institutionsQ1 2026: 547 institutionsQ2 2026: 547 institutions
Value heldQ2 2026: $5.31B
Q1 2021: $1.17BQ2 2021: $1.55BQ3 2021: $1.22BQ4 2021: $920.3MQ1 2022: $1.75BQ2 2022: $1.28BQ3 2022: $990.7MQ4 2022: $2.28BQ1 2023: $3.79BQ2 2023: $3.92BQ3 2023: $5.10BQ4 2023: $3.98BQ1 2024: $4.07BQ2 2024: $3.66BQ3 2024: $2.99BQ4 2024: $2.62BQ1 2025: $2.24BQ2 2025: $1.83BQ3 2025: $2.66BQ4 2025: $3.55BQ1 2026: $6.53BQ2 2026: $5.31B
Institutions holding RIG and their total value by quarter
QuarterHoldersValue
Q2 2026547$5.31B
Q1 2026547$6.53B
Q4 2025476$3.55B
Q3 2025461$2.66B
Q2 2025433$1.83B
Q1 2025420$2.24B
Q4 2024453$2.62B
Q3 2024433$2.99B
Q2 2024428$3.66B
Q1 2024438$4.07B
Q4 2023441$3.98B
Q3 2023435$5.10B
Q2 2023402$3.92B
Q1 2023410$3.79B
Q4 2022380$2.28B
Q3 2022338$990.7M
Q2 2022329$1.28B
Q1 2022334$1.75B
Q4 2021317$920.3M
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
BlackRock, Inc.91,927,924$453.9M0.01%+3,556,676+4.0%Added
Two Sigma Investments, LP46,205,304$268.2M0.20%−258,432−0.6%Reduced
Dimensional Fund Advisors LP51,009,878$249.5M0.05%+2,190,302+4.5%Added
Vanguard Portfolio Management LLC49,296,587$241.1M0.01%+2,433,857+5.2%Added
Vanguard Capital Management LLC45,200,594$221.0M0.00%+928,171+2.1%Added
D. E. Shaw & Co., Inc.41,793,600$204.4M0.13%+2,531,001+6.4%Added
Hudson Bay Capital Management LP–$185.8M0.87%––
Slate Path Capital LP37,266,300$182.2M2.52%+7,204,200+24.0%Added
Capital World Investors30,973,850$151.5M0.02%+1,398,371+4.7%Added
Geode Capital Management, LLC28,561,101$139.7M0.01%+5,089,504+21.7%Added
State Street Corp27,148,850$132.8M0.00%+2,166,646+8.7%Added
Morgan Stanley26,692,648$130.5M0.01%+4,999,584+23.0%Added
UBS Group AG26,372,754$129.0M0.02%+20,319,471+335.7%Added
American Century Companies Inc22,939,135$112.2M0.05%+179,954+0.8%Added
Dalal Street, LLCSuperinvestorPabrai Investment Funds20,398,659$99.7M30.53%+5,9870.0%Added
Van Eck Associates Corp19,794,432$96.8M0.06%−1,342,697−6.4%Reduced
Pilgrim Global Advisors LLC17,377,307$85.0M18.23%−6,535,813−27.3%Reduced
Goldman Sachs Group Inc16,798,179$82.1M0.01%+3,896,797+30.2%Added
Elliott Investment Management L.P.SuperinvestorElliott Investment Management15,626,834$76.4M0.53%00.0%Unchanged
Assenagon Asset Management S.A.15,328,118$75.0M0.05%+15,328,118New
Voloridge Investment Management, LLC14,795,082$72.3M0.31%−1,747,635−10.6%Reduced
Renaissance Technologies LLC14,527,153$71.0M0.10%+11,392,425+363.4%Added
Point72 Asset Management, L.P.14,172,810$69.3M0.11%+8,766,385+162.1%Added
Gendell Jeffrey L13,853,533$67.7M0.61%+2,153,533+18.4%Added
Sculptor Capital LP–$67.0M0.69%––
Keybank National Association13,040,146$63.8M0.21%+383,265+3.0%Added
FIL Ltd11,603,322$56.7M0.04%+362,507+3.2%Added
Bank of America Corp11,108,135$54.3M0.00%+2,505,812+29.1%Added
Castle Hook Partners LP10,470,395$51.2M0.55%+10,470,395New
Charles Schwab Investment Management Inc10,062,265$49.2M0.01%+251,407+2.6%Added
Mackenzie Financial Corp9,742,206$47.6M0.05%+9,742,206New
HRT Financial LP9,522,046$46.6M0.09%+8,094,220+566.9%Added
Northern Trust Corp8,961,215$43.8M0.01%+818,671+10.1%Added
CWA Asset Management Group, LLC8,688,877$42.5M1.31%+3,483,925+66.9%Added
Canoe Financial LP8,682,600$42.5M0.53%+5,111,200+143.1%Added
Bridgewater Associates, LP7,962,797$38.9M0.16%+7,544,366+1,803.0%Added
Susquehanna International Group, LLP7,852,919$38.4M0.03%+1,621,573+26.0%Added
Ninepoint Partners LP7,000,000$34.2M3.05%00.0%Unchanged
ION Fund Management Ltd6,750,000$33.0M3.90%+2,261,600+50.4%Added
Squarepoint Ops LLC6,740,869$33.0M0.06%+2,533,142+60.2%Added
Vanguard Fiduciary Trust Co6,669,333$32.6M0.01%+257,944+4.0%Added
JPMorgan Chase & Co5,849,786$29.7M0.00%+1,363,042+30.4%Added
Balyasny Asset Management LLC10,766,158$29.2M0.05%+8,255,386+328.8%Added
Caledonia (Private) Investments Pty Ltd5,582,594$27.3M0.93%+5,582,594New
FMR LLC3,566,124$24.3M0.00%−367,215−9.3%Reduced
CSS LLC–$23.5M1.04%––
Bank of New York Mellon Corp4,791,474$23.4M0.00%−907,353−15.9%Reduced
CIBC World Markets Inc.4,747,864$23.2M0.04%−455,624−8.8%Reduced
Electron Capital Partners, LLC4,652,185$22.7M0.91%+4,652,185New
Solus Alternative Asset Management LP4,470,000$21.9M6.39%00.0%Unchanged
Mizuho Securities USA LLC10,543,000$21.2M0.20%00.0%Unchanged
TIG Advisors, LLC3,981,919$19.5M0.90%+1,485,693+59.5%Added
Penn Capital Management Co Inc3,566,644$17.5M1.11%+414,078+13.1%Added
Man Group plc3,447,729$16.9M0.03%+296,092+9.4%Added
Madison Asset Management, LLC3,030,000$14.8M0.18%00.0%Unchanged
Arvin Capital Management LP2,982,831$14.6M2.73%+2,800,831+1,538.9%Added
Connor, Clark & Lunn Investment Management Ltd.2,815,057$13.8M0.03%+781,921+38.5%Added
Lord, Abbett & Co. LLC–$13.6M0.04%––
Rokos Capital Management LLP2,619,483$12.8M0.16%−550,089−17.4%Reduced
Panagora Asset Management Inc2,608,633$12.8M0.04%+102,058+4.1%Added
AQR Capital Management LLC2,543,245$12.4M0.00%−732,971−22.4%Reduced
New York State Common Retirement Fund2,528,283$12.4M0.02%+351,801+16.2%Added
Primecap Management Co2,493,290$12.2M0.01%−80,000−3.1%Reduced
Public Sector Pension Investment Board2,376,569$11.6M0.03%00.0%Unchanged
Nuveen, LLC2,329,295$11.4M0.00%−2,145,976−48.0%Reduced
Fideuram - Intesa Sanpaolo Private Banking S.P.A.2,102,868$10.3M0.31%−494,498−19.0%Reduced
BCJ Capital Management, LLC2,089,947$10.2M0.51%+522,512+33.3%Added
Masters Capital Management LLC2,000,000$9.78M1.37%00.0%Unchanged
Capital Fund Management S.A.1,995,840$9.76M0.07%+1,995,840New
Swiss National Bank1,943,130$9.50M0.00%−18,800−1.0%Reduced
Canada Pension Plan Investment Board1,930,700$9.44M0.01%+285,500+17.4%Added
Wells Fargo & Company1,349,815$9.03M0.00%+8,423+0.6%Added
Castleark Management LLC1,813,160$8.87M0.24%+976,040+116.6%Added
Russell Investments Group, Ltd.1,804,318$8.83M0.01%+429,772+31.3%Added
Neuberger Berman Group LLC1,785,212$8.73M0.01%+230,060+14.8%Added
Fideuram Asset Management (Ireland) dac1,401,069$8.69M0.17%+1,377,912+5,950.3%Added
Invesco Ltd.1,727,732$8.45M0.00%−631,095−26.8%Reduced
Clough Capital Partners L P1,700,814$8.32M0.68%−1,910,153−52.9%Reduced
Creative Planning1,632,895$7.98M0.00%+51,260+3.2%Added
Flat Footed LLC1,603,778$7.84M1.36%+1,603,778New
BKD Wealth Advisors, LLC1,502,697$7.35M0.12%−139,220−8.5%Reduced
Algert Global LLC1,427,890$6.98M0.08%+40,400+2.9%Added
Alliancebernstein L.P.1,037,415$6.88M0.00%−15,700−1.5%Reduced
Manufacturers Life Insurance Company, The1,378,386$6.74M0.01%+1,442+0.1%Added
Rhumbline Advisers1,291,460$6.32M0.00%+112,176+9.5%Added
Schonfeld Strategic Advisors LLC1,271,477$6.22M0.03%+1,201,620+1,720.1%Added
Price T Rowe Associates Inc1,271,051$6.22M0.00%+230,740+22.2%Added
Nomura Holdings Inc1,161,607$5.68M0.02%+285,439+32.6%Added
Gotham Asset Management, LLC1,144,956$5.60M0.01%+36,048+3.3%Added
Hosking Partners LLP1,142,083$5.58M0.19%−180,865−13.7%Reduced
California State Teachers Retirement System1,118,604$5.47M0.01%−38,574−3.3%Reduced
Deutsche Bank AG1,078,828$5.28M0.00%+136,731+14.5%Added
Lloyd Harbor Capital Management, LLC1,075,100$5.26M6.13%−249,800−18.9%Reduced
Marshall Wace, LLP1,055,592$5.16M0.00%−14,988,172−93.4%Reduced
IMC-Chicago, LLC1,046,762$5.12M0.05%+1,003,528+2,321.2%Added
Legal & General Group Plc997,222$4.88M0.00%+34,188+3.6%Added
O'Shaughnessy Asset Management, LLC990,804$4.85M0.02%+990,804New
Polar Capital Holdings Plc–$4.83M0.01%–New
BNP Paribas Arbitrage, SA986,927$4.83M0.00%−2,259,688−69.6%Reduced
Beaconlight Capital, LLC977,964$4.78M2.10%+651,017+199.1%Added