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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, Q1 2026

Institutional positions in Transocean Ltd. as of Mar 31, 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
542
+79 vs. Q4 2025
Shares held
907.4M
+235.3M (+35.0%) vs. Q4 2025
Total value
$6.01B
+$3.24B (+116.5%) vs. Q4 2025
New holders
140
171 more added
Sold out
61
135 more reduced

8 institutions that held it in Q4 2025 haven't filed for Q1 2026 yet. Not filing isn't selling, so they aren't counted as sold out or in the changes above.

Compare with Q4 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 holdersQ1 2026: 542 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 heldQ1 2026: $6.01B
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, Q1 2026

Shares, value and share of portfolio for each institution holding Transocean Ltd.; share changes are against Q4 2025.

Institutions holding RIG in Q1 2026
InstitutionSharesValue% of portfolioChange in sharesAction
BlackRock, Inc.88,371,248$585.9M0.01%+228,289+0.3%Added
Dimensional Fund Advisors LP48,819,576$323.7M0.07%+5,349,264+12.3%Added
Vanguard Portfolio Management LLC46,862,730$310.7M0.02%+46,862,730New
Two Sigma Investments, LP46,463,736$308.1M0.26%+22,227,817+91.7%Added
Vanguard Capital Management LLC44,272,423$293.5M0.01%+44,272,423New
D. E. Shaw & Co., Inc.39,262,599$260.3M0.21%+22,837,568+139.0%Added
Slate Path Capital LP30,062,100$199.3M2.96%+30,062,100New
Capital World Investors29,575,479$196.1M0.03%+13,909,743+88.8%Added
State Street Corp24,982,204$165.6M0.01%+256,307+1.0%Added
Pilgrim Global Advisors LLC23,913,120$158.5M20.53%−7,846,226−24.7%Reduced
Geode Capital Management, LLC23,471,597$155.6M0.01%+674,417+3.0%Added
American Century Companies Inc22,759,181$150.9M0.08%−4,729,506−17.2%Reduced
Morgan Stanley21,693,064$143.8M0.01%−3,097,261−12.5%Reduced
Van Eck Associates Corp21,137,129$140.1M0.11%+4,313,060+25.6%Added
Dalal Street, LLCSuperinvestorPabrai Investment Funds20,392,672$135.2M31.97%−6,647,461−24.6%Reduced
Voloridge Investment Management, LLC16,542,717$109.7M0.44%+16,542,717New
Marshall Wace, LLP16,043,764$106.4M0.11%+16,005,764+42,120.4%Added
Elliott Investment Management L.P.SuperinvestorElliott Investment Management15,626,834$103.6M0.65%+15,626,834New
Goldman Sachs Group Inc12,901,382$85.5M0.01%−3,144,577−19.6%Reduced
Keybank National Association12,656,881$83.9M0.31%+405,804+3.3%Added
Gendell Jeffrey L11,700,000$77.6M1.06%+910,167+8.4%Added
FIL Ltd11,240,815$74.5M0.06%+11,221,566+58,296.9%Added
Charles Schwab Investment Management Inc9,810,858$65.0M0.01%−187,120−1.9%Reduced
Bank of America Corp8,602,323$57.0M0.00%−6,902,038−44.5%Reduced
Northern Trust Corp8,142,544$54.0M0.01%+244,967+3.1%Added
Driehaus Capital Management LLC7,210,869$47.8M0.35%+7,210,869New
Ninepoint Partners LP7,000,000$46.4M5.49%+7,000,000New
Vanguard Fiduciary Trust Co6,411,389$42.5M0.01%+6,411,389New
Susquehanna International Group, LLP6,231,346$41.3M0.05%−2,636,404−29.7%Reduced
UBS Group AG6,053,283$40.1M0.01%+583,010+10.7%Added
Bank of New York Mellon Corp5,698,827$37.8M0.01%+2,303,297+67.8%Added
Point72 Asset Management, L.P.5,406,425$35.8M0.06%+3,449,571+176.3%Added
Tudor Investment Corp Et Al5,278,418$35.0M0.19%+5,102,324+2,897.5%Added
CWA Asset Management Group, LLC5,204,952$34.5M1.18%+5,204,952New
CIBC World Markets Inc.5,203,488$34.5M0.06%−107,230−2.0%Reduced
Millennium Management LLC4,691,515$31.1M0.02%−2,904,982−38.2%Reduced
Empyrean Capital Partners, LP4,570,463$30.3M1.01%+4,570,463New
JPMorgan Chase & Co4,486,744$29.8M0.00%−1,022,512−18.6%Reduced
ION Fund Management Ltd4,488,400$29.8M4.54%+92,277+2.1%Added
Nuveen, LLC4,475,271$29.7M0.01%+1,718,738+62.4%Added
Solus Alternative Asset Management LP4,470,000$29.6M7.97%00.0%Unchanged
Squarepoint Ops LLC4,207,727$27.9M0.06%−1,206,605−22.3%Reduced
FMR LLC3,933,339$26.1M0.00%+3,011,334+326.6%Added
Clough Capital Partners L P3,610,967$23.9M2.31%−966,652−21.1%Reduced
Canoe Financial LP3,571,400$23.7M0.32%+3,571,400New
Citadel Advisors LLC3,514,711$23.3M0.02%−3,490,818−49.8%Reduced
AQR Capital Management LLC3,276,216$21.7M0.01%+301,660+10.1%Added
BNP Paribas Arbitrage, SA3,246,615$21.5M0.01%+1,077,308+49.7%Added
Rokos Capital Management LLP3,169,572$21.0M0.37%+3,169,572New
Penn Capital Management Co Inc3,152,566$21.0M1.62%−602,826−16.1%Reduced
Man Group plc3,151,637$20.9M0.04%+3,151,637New
Renaissance Technologies LLC3,134,728$20.8M0.03%−5,900,600−65.3%Reduced
Jump Financial, LLC3,097,365$20.5M0.30%+2,486,416+407.0%Added
Trexquant Investment LP3,075,885$20.4M0.15%+3,075,885New
Madison Asset Management, LLC3,030,000$20.1M0.25%00.0%Unchanged
HSBC Holdings PLC2,916,902$19.2M0.01%−200,128−6.4%Reduced
Barclays PLC2,655,218$17.6M0.01%−8,147,446−75.4%Reduced
Fideuram - Intesa Sanpaolo Private Banking S.P.A.2,597,366$17.2M0.61%+2,031,208+358.8%Added
Quadrature Capital Ltd2,592,119$17.2M0.20%+2,592,119New
Primecap Management Co2,573,290$17.1M0.01%−1,411,680−35.4%Reduced
Balyasny Asset Management LLC2,510,772$16.6M0.03%+2,510,772New
Panagora Asset Management Inc2,506,575$16.6M0.06%+2,495,484+22,500.1%Added
TIG Advisors, LLC2,496,226$16.5M0.79%+2,496,226New
Contrarius Group Holdings Ltd2,470,095$16.4M0.93%+820,638+49.8%Added
Public Sector Pension Investment Board2,376,569$15.8M0.05%−206,114−8.0%Reduced
Invesco Ltd.2,358,827$15.6M0.00%+1,388,467+143.1%Added
New York State Common Retirement Fund2,176,482$14.4M0.02%−423,855−16.3%Reduced
Connor, Clark & Lunn Investment Management Ltd.2,033,136$13.5M0.03%+2,033,136New
Burkehill Global Management, LP2,000,000$13.3M0.66%−500,000−20.0%Reduced
Masters Capital Management LLC2,000,000$13.3M1.96%+1,000,000+100.0%Added
Swiss National Bank1,961,930$13.0M0.01%+8,300+0.4%Added
Aquatic Capital Management LLC1,766,695$11.7M0.34%+1,766,695New
Canada Pension Plan Investment Board1,645,200$10.9M0.01%+1,452,700+754.6%Added
BKD Wealth Advisors, LLC1,641,917$10.9M0.21%−1,290,173−44.0%Reduced
Creative Planning1,581,635$10.5M0.01%+270,921+20.7%Added
BCJ Capital Management, LLC1,567,435$10.4M0.55%+557,249+55.2%Added
Neuberger Berman Group LLC1,555,152$10.3M0.01%+346,559+28.7%Added
UBS Asset Management Americas Inc1,472,926$9.77M0.00%+111,478+8.2%Added
HRT Financial LP1,427,826$9.47M0.02%+1,427,826New
Packer & Co Ltd1,405,000$9.31M3.48%+1,405,000New
Algert Global LLC1,387,490$9.20M0.14%−1,261,780−47.6%Reduced
Manufacturers Life Insurance Company, The1,376,944$9.13M0.01%+24,214+1.8%Added
Russell Investments Group, Ltd.1,374,546$9.11M0.01%−93,996−6.4%Reduced
Wells Fargo & Company1,341,392$8.89M0.00%−618,182−31.5%Reduced
Lloyd Harbor Capital Management, LLC1,324,900$8.78M4.55%−925,100−41.1%Reduced
Hosking Partners LLP1,322,948$8.77M0.31%+192,291+17.0%Added
Acadian Asset Management LLC1,234,579$8.18M0.01%+593,196+92.5%Added
Thrivent Financial for Lutherans1,221,388$8.10M0.02%+1,221,388New
Rhumbline Advisers1,179,284$7.82M0.01%+41,637+3.7%Added
California State Teachers Retirement System1,157,178$7.67M0.01%+220,119+23.5%Added
Engineers Gate Manager LP1,111,361$7.37M0.09%+1,111,361New
Gotham Asset Management, LLC1,108,908$7.35M0.02%−337,756−23.3%Reduced
Price T Rowe Associates Inc1,040,311$6.90M0.00%+204,920+24.5%Added
Polymer Capital Management (US) LLC1,004,323$6.66M0.99%−215,349−17.7%Reduced
Monolith Management Ltd966,000$6.40M2.49%+966,000New
Legal & General Group Plc963,034$6.38M0.00%−138,874−12.6%Reduced
First Trust Advisors LP958,406$6.35M0.00%+928,196+3,072.5%Added
Deutsche Bank AG942,097$6.25M0.00%+164,411+21.1%Added
Oxbow Advisors, LLC925,395$6.14M0.52%+925,395New
Lonestar Capital Management LLC900,000$5.97M3.21%−900,000−50.0%Reduced