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.
| Quarter | Holders | Value |
|---|---|---|
| Q2 2026 | 539 | $4.88B |
| Q1 2026 | 542 | $6.01B |
| Q4 2025 | 471 | $3.19B |
| Q3 2025 | 457 | $2.34B |
| Q2 2025 | 427 | $1.56B |
| Q1 2025 | 413 | $1.92B |
| Q4 2024 | 448 | $2.29B |
| Q3 2024 | 427 | $2.57B |
| Q2 2024 | 419 | $3.23B |
| Q1 2024 | 429 | $3.46B |
| Q4 2023 | 432 | $3.48B |
| Q3 2023 | 427 | $4.43B |
| Q2 2023 | 394 | $3.60B |
| Q1 2023 | 404 | $3.35B |
| Q4 2022 | 376 | $2.11B |
| Q3 2022 | 339 | $983.1M |
| Q2 2022 | 330 | $1.27B |
| Q1 2022 | 335 | $1.73B |
| Q4 2021 | 317 | $898.4M |
| Q3 2021 | 296 | $1.22B |
| Q2 2021 | 306 | $1.55B |
| Q1 2021 | 292 | $1.17B |
Institutions, Q4 2025
Shares, value and share of portfolio for each institution holding Transocean Ltd.; share changes are against Q3 2025.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| Castleark Management LLC | 1,141,690 | $4.72M | 0.14% | +1,141,690 | New |
| Verition Fund Management LLC | 1,142,433 | $4.72M | 0.03% | −452,295−28.4% | Reduced |
| Steadfast Capital Management LP | 1,164,000 | $4.81M | 0.08% | −1,175,610−50.2% | Reduced |
| Neuberger Berman Group LLC | 1,208,593 | $4.99M | 0.00% | +348,428+40.5% | Added |
| Polymer Capital Management (US) LLC | 1,219,672 | $5.04M | 0.65% | +194,205+18.9% | Added |
| Creative Planning | 1,310,714 | $5.41M | 0.00% | +90,413+7.4% | Added |
| Manufacturers Life Insurance Company, The | 1,352,730 | $5.60M | 0.00% | +52,432+4.0% | Added |
| UBS Asset Management Americas Inc | 1,361,448 | $5.62M | 0.00% | +1,361,448 | New |
| Citigroup Inc | 1,441,189 | $5.95M | 0.00% | +622,408+76.0% | Added |
| Gotham Asset Management, LLC | 1,446,664 | $5.97M | 0.02% | −522,655−26.5% | Reduced |
| Russell Investments Group, Ltd. | 1,468,542 | $6.07M | 0.01% | +335,687+29.6% | Added |
| Contrarius Group Holdings Ltd | 1,649,457 | $6.81M | 0.33% | −333,834−16.8% | Reduced |
| Icon Advisers Inc | 1,800,000 | $7.43M | 1.61% | +1,800,000 | New |
| Lonestar Capital Management LLC | 1,800,000 | $7.43M | 3.98% | +1,800,000 | New |
| Jane Street Group, LLC | 1,860,763 | $7.68M | 0.01% | −1,561,799−45.6% | Reduced |
| Swiss National Bank | 1,953,630 | $8.07M | 0.00% | +64,800+3.4% | Added |
| Point72 Asset Management, L.P. | 1,956,854 | $8.08M | 0.01% | −4,881,243−71.4% | Reduced |
| Wells Fargo & Company | 1,959,574 | $8.09M | 0.00% | +798,667+68.8% | Added |
| HighTower Advisors, LLC | 2,085,842 | $8.61M | 0.01% | +523,528+33.5% | Added |
| BNP Paribas Arbitrage, SA | 2,169,307 | $8.96M | 0.01% | +1,921,344+774.9% | Added |
| Lloyd Harbor Capital Management, LLC | 2,250,000 | $9.29M | 5.01% | −645,000−22.3% | Reduced |
| Burkehill Global Management, LP | 2,500,000 | $10.3M | 0.68% | −3,000,000−54.5% | Reduced |
| Brandywine Global Investment Management, LLC | 2,523,548 | $10.4M | 0.07% | +2,044,544+426.8% | Added |
| Public Sector Pension Investment Board | 2,582,683 | $10.7M | 0.04% | +2,582,683 | New |
| New York State Common Retirement Fund | 2,600,337 | $10.7M | 0.01% | +255,977+10.9% | Added |
| Algert Global LLC | 2,649,270 | $10.9M | 0.17% | +131,050+5.2% | Added |
| Qube Research & Technologies Ltd | 2,700,622 | $11.2M | 0.02% | +2,700,622 | New |
| Nuveen, LLC | 2,756,533 | $11.4M | 0.00% | −109,696−3.8% | Reduced |
| Walleye Trading LLC | 2,910,085 | $12.0M | 0.19% | +666,340+29.7% | Added |
| BKD Wealth Advisors, LLC | 2,932,090 | $12.1M | 0.23% | +2,932,090 | New |
| AQR Capital Management LLC | 2,974,556 | $12.3M | 0.01% | +2,707,135+1,012.3% | Added |
| Madison Asset Management, LLC | 3,030,000 | $12.5M | 0.14% | 00.0% | Unchanged |
| HSBC Holdings PLC | 3,117,030 | $12.9M | 0.01% | +2,674,466+604.3% | Added |
| Bank of New York Mellon Corp | 3,395,530 | $14.0M | 0.00% | +297,261+9.6% | Added |
| Ensign Peak Advisors, Inc | 3,413,140 | $14.1M | 0.02% | −424,697−11.1% | Reduced |
| Penn Capital Management Co Inc | 3,755,392 | $15.6M | 1.24% | +256,112+7.3% | Added |
| Primecap Management Co | 3,984,970 | $16.5M | 0.01% | −6,097,020−60.5% | Reduced |
| ION Fund Management Ltd | 4,396,123 | $18.2M | 2.32% | +4,396,123 | New |
| Zimmer Partners, LP | 4,463,252 | $18.4M | 0.49% | −5,236,000−54.0% | Reduced |
| Solus Alternative Asset Management LP | 4,470,000 | $18.5M | 5.98% | 00.0% | Unchanged |
| Clough Capital Partners L P | 4,577,619 | $18.9M | 1.70% | +619,566+15.7% | Added |
| Jefferies Financial Group Inc. | 4,610,882 | $19.0M | 0.16% | +4,574,338+12,517.3% | Added |
| CIBC World Markets Inc. | 5,310,718 | $21.9M | 0.04% | +427,724+8.8% | Added |
| Squarepoint Ops LLC | 5,414,332 | $22.4M | 0.05% | +4,584,788+552.7% | Added |
| UBS Group AG | 5,470,273 | $22.6M | 0.00% | −221,891−3.9% | Reduced |
| JPMorgan Chase & Co | 5,509,256 | $22.8M | 0.00% | +1,004,938+22.3% | Added |
| Citadel Advisors LLC | 7,005,529 | $28.9M | 0.02% | +2,455,153+54.0% | Added |
| Millennium Management LLC | 7,596,497 | $31.4M | 0.02% | −676,065−8.2% | Reduced |
| Northern Trust Corp | 7,897,577 | $32.6M | 0.00% | +6150.0% | Added |
| Susquehanna International Group, LLP | 8,867,750 | $36.6M | 0.05% | −2,993,471−25.2% | Reduced |
| Renaissance Technologies LLC | 9,035,328 | $37.3M | 0.06% | +7,287,083+416.8% | Added |
| Charles Schwab Investment Management Inc | 9,997,978 | $41.3M | 0.01% | −343,896−3.3% | Reduced |
| Gendell Jeffrey L | 10,789,833 | $44.6M | 0.78% | +2,766,482+34.5% | Added |
| Barclays PLC | 10,802,664 | $44.6M | 0.02% | +7,535,041+230.6% | Added |
| Keybank National Association | 12,251,077 | $50.6M | 0.18% | +977,623+8.7% | Added |
| Bank of America Corp | 15,504,361 | $64.0M | 0.00% | +11,968,426+338.5% | Added |
| Capital World Investors | 15,665,736 | $64.7M | 0.01% | −3,000,000−16.1% | Reduced |
| Goldman Sachs Group Inc | 16,045,959 | $66.3M | 0.01% | −5,904,571−26.9% | Reduced |
| D. E. Shaw & Co., Inc. | 16,425,031 | $67.8M | 0.05% | +13,606,705+482.8% | Added |
| Van Eck Associates Corp | 16,824,069 | $69.5M | 0.06% | +2,133,778+14.5% | Added |
| Two Sigma Advisers, LP | 22,213,154 | $91.7M | 0.18% | +3,563,600+19.1% | Added |
| Geode Capital Management, LLC | 22,797,180 | $94.2M | 0.01% | +1,515,893+7.1% | Added |
| Two Sigma Investments, LP | 24,235,919 | $100.1M | 0.15% | +5,599,731+30.0% | Added |
| State Street Corp | 24,725,897 | $102.1M | 0.00% | +2,856,372+13.1% | Added |
| Morgan Stanley | 24,790,325 | $102.4M | 0.01% | +2,135,964+9.4% | Added |
| Dalal Street, LLCSuperinvestorPabrai Investment Funds | 27,040,133 | $111.7M | 27.78% | +2,597,801+10.6% | Added |
| American Century Companies Inc | 27,488,687 | $113.5M | 0.06% | +1,032,133+3.9% | Added |
| Pilgrim Global Advisors LLC | 31,759,346 | $131.2M | 24.30% | 00.0% | Unchanged |
| Dimensional Fund Advisors LP | 43,470,312 | $179.5M | 0.04% | +7,516,589+20.9% | Added |
| BlackRock, Inc. | 88,142,959 | $364.0M | 0.01% | +2,930,623+3.4% | Added |
| Vanguard Group Inc | 97,006,263 | $400.6M | 0.01% | +2,487,015+2.6% | Added |
| Ghisallo Capital Management LLC | 0 | $0 | 0.00% | −18,500,000−100.0% | Sold out |
| Yaupon Capital Management LP | 0 | $0 | 0.00% | −8,250,000−100.0% | Sold out |
| Ninepoint Partners LP | 0 | $0 | 0.00% | −6,000,000−100.0% | Sold out |
| HRT Financial LP | 0 | $0 | 0.00% | −5,786,733−100.0% | Sold out |
| Seven Grand Managers, LLC | 0 | $0 | 0.00% | −2,750,000−100.0% | Sold out |
| Corigliano Investment Advisers, LLC | 0 | $0 | 0.00% | −2,633,797−100.0% | Sold out |
| Paloma Partners Management Co | 0 | $0 | 0.00% | −2,000,000−100.0% | Sold out |
| Maven Securities LTD | 0 | $0 | 0.00% | −1,500,000−100.0% | Sold out |
| Polar Asset Management Partners Inc. | 0 | $0 | 0.00% | −1,275,000−100.0% | Sold out |
| Aventail Capital Group, LP | 0 | $0 | 0.00% | −1,000,000−100.0% | Sold out |
| Sourcerock Group LLC | 0 | $0 | 0.00% | −1,000,000−100.0% | Sold out |
| Tejara Capital Ltd | 0 | $0 | 0.00% | −889,066−100.0% | Sold out |
| Blackstone Group Inc. | 0 | $0 | 0.00% | −750,000−100.0% | Sold out |
| Holocene Advisors, LP | 0 | $0 | 0.00% | −750,000−100.0% | Sold out |
| Fort Baker Capital Management LP | 0 | $0 | 0.00% | −500,000−100.0% | Sold out |
| HBK Investments L P | 0 | $0 | 0.00% | −475,000−100.0% | Sold out |
| Diametric Capital, LP | 0 | $0 | 0.00% | −334,100−100.0% | Sold out |
| Monashee Investment Management LLC | 0 | $0 | 0.00% | −300,000−100.0% | Sold out |
| Lighthouse Investment Partners, LLC | 0 | $0 | 0.00% | −220,000−100.0% | Sold out |
| DRW Securities, LLC | 0 | $0 | 0.00% | −192,208−100.0% | Sold out |
| Virtu Financial LLC | 0 | $0 | 0.00% | −187,865−100.0% | Sold out |
| Counterpoint Mutual Funds LLC | 0 | $0 | 0.00% | −160,743−100.0% | Sold out |
| CSS LLC | 0 | $0 | 0.00% | −147,135−100.0% | Sold out |
| Parallax Volatility Advisers, L.P. | 0 | $0 | 0.00% | −144,865−100.0% | Sold out |
| Aster Capital Management (DIFC) Ltd | 0 | $0 | 0.00% | −125,514−100.0% | Sold out |
| Prelude Capital Management, LLC | 0 | $0 | 0.00% | −116,237−100.0% | Sold out |
| FNY Investment Advisers, LLC | 0 | $0 | 0.00% | −115,090−100.0% | Sold out |
| Ci Investments Inc. | 0 | $0 | 0.00% | −100,000−100.0% | Sold out |
| Empowered Funds, LLC | 0 | $0 | 0.00% | −94,556−100.0% | Sold out |