TransoceanRIG
13F holders, Q4 2025 (December 31)At the end of Q4 2025, 470 institutions reported holding Transocean Ltd. (RIG) in their 13F filings, up 15 from Q3 2025. 73 opened new positions and 69 sold out. The largest holders were Vanguard Group Inc. ($400.6M), BlackRock, Inc. ($364.0M) and Dimensional Fund Advisors LP ($179.5M). 10 famous investors held it, including Mohnish Pabrai (27.8% of Pabrai Investments (Dalal Street)'s portfolio), Jim Simons / Peter Brown (0.1% of Renaissance Technologies's portfolio) and David E. Shaw (0.1% of D. E. Shaw & Co.'s portfolio).
- Company
- Transocean Ltd.
- CUSIP
- H8817H100
- Latest filing quarter
- Q2 2026
History
Number of 13F holders
Total Exit/New Position Q3 2025 → Q4 2025
| Institutions | Total Value | |
|---|---|---|
| New Positions | 73 | $85.3M |
| Exits | 69 | $177.9M |
All 13F filers, Q3 2025 → Q4 2025: 133,869,876 shares bought and 109,284,610 shares sold, net +24,585,266 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 470 holders
| Vanguard Group Inc. | 0.01% | Add +2.6% | 97,006,263 | $400.6M |
| BlackRock, Inc. | 0.01% | Add +3.4% | 88,142,959 | $364.0M |
| Dimensional Fund Advisors LP | 0.04% | Add +20.9% | 43,470,312 | $179.5M |
| Pilgrim Global Advisors LLC | 24.30% | No change | 31,759,346 | $131.2M |
| American Century Companies Inc. | 0.06% | Add +3.9% | 27,488,687 | $113.5M |
| Pabrai Investments (Dalal Street) | 27.78% | Add +10.6% | 27,040,133 | $111.7M |
| Morgan Stanley | 0.01% | Add +9.4% | 24,790,325 | $102.4M |
| State Street Corp. | 0.00% | Add +13.1% | 24,725,897 | $102.1M |
| Two Sigma Investments, LP | 0.16% | Add +30.1% | 24,235,919 | $100.1M |
| Geode Capital Management, LLC | 0.01% | Add +7.1% | 22,797,180 | $94.2M |
| Two Sigma Advisers, LP | 0.18% | Add +19.1% | 22,213,154 | $91.7M |
| Van Eck Associates Corp. | 0.06% | Add +14.5% | 16,824,069 | $69.5M |
| D. E. Shaw & Co. | 0.06% | Add +482.8% | 16,425,031 | $67.8M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -26.9% | 16,045,959 | $66.3M |
| Capital World Investors | 0.01% | Reduce -16.1% | 15,665,736 | $64.7M |
| Bank of America Corp. | 0.00% | Add +338.5% | 15,504,361 | $64.0M |
| Keybank National Association | 0.18% | Add +8.7% | 12,251,077 | $50.6M |
| Barclays PLC | 0.02% | Add +230.6% | 10,802,664 | $44.6M |
| Gendell Jeffrey L | 0.78% | Add +34.5% | 10,789,833 | $44.6M |
| Charles Schwab Investment Management Inc. | 0.01% | Reduce -3.3% | 9,997,978 | $41.3M |
| Renaissance Technologies | 0.06% | Add +416.8% | 9,035,328 | $37.3M |
| Susquehanna International Group, LLP | 0.05% | Reduce -25.2% | 8,867,750 | $36.6M |
| Northern Trust Corp. | 0.00% | Add +0.0% | 7,897,577 | $32.6M |
| Millennium Management | 0.02% | Reduce -8.2% | 7,596,497 | $31.4M |
| Citadel Advisors | 0.02% | Add +54.0% | 7,005,529 | $28.9M |
| JPMorgan Chase & Co. | 0.00% | Add +22.3% | 5,509,256 | $22.8M |
| UBS Group AG | 0.00% | Reduce -3.9% | 5,470,273 | $22.6M |
| Squarepoint Ops LLC | 0.05% | Add +552.7% | 5,414,332 | $22.4M |
| Cibc World Market Inc. | 0.04% | Add +8.8% | 5,310,718 | $21.9M |
| Jefferies Financial Group Inc. | 0.16% | Add +12517.3% | 4,610,882 | $19.0M |
| Clough Capital Partners L P | 1.70% | Add +15.7% | 4,577,619 | $18.9M |
| Solus Alternative Asset Management LP | 6.68% | No change | 4,470,000 | $18.5M |
| Zimmer Partners, LP | 0.49% | Reduce -54.0% | 4,463,252 | $18.4M |
| ION Fund Management Ltd | 2.32% | — | 4,396,123 | $18.2M |
| Primecap Management Co. | 0.01% | Reduce -60.5% | 3,984,970 | $16.5M |
| Penn Capital Management Company, LLC | 1.24% | Add +7.3% | 3,755,392 | $15.6M |
| Ensign Peak Advisors, Inc | 0.02% | Reduce -11.1% | 3,413,140 | $14.1M |
| Bank of New York Mellon Corp | 0.00% | Add +9.6% | 3,395,530 | $14.0M |
| HSBC Holdings PLC | 0.01% | Add +604.3% | 3,117,030 | $12.9M |
| Madison Asset Management, LLC | 0.14% | No change | 3,030,000 | $12.5M |
| AQR Capital Management | 0.01% | Add +1012.3% | 2,974,556 | $12.3M |
| Forvis Mazars Wealth Advisors, LLC | 0.23% | New | 2,932,090 | $12.1M |
| Walleye Trading LLC | 0.19% | Add +29.7% | 2,910,085 | $12.0M |
| Nuveen, LLC | 0.00% | Reduce -3.8% | 2,756,533 | $11.4M |
| Qube Research & Technologies Ltd | 0.02% | New | 2,700,622 | $11.2M |
| Algert Global LLC | 0.17% | Add +5.2% | 2,649,270 | $10.9M |
| New York State Common Retirement Fund | 0.01% | Add +10.9% | 2,600,337 | $10.7M |
| Public Sector Pension Investment Board | 0.04% | New | 2,582,683 | $10.7M |
| Brandywine Global Investment Management, LLC | 0.07% | Add +426.8% | 2,523,548 | $10.4M |
| Burkehill Global Management, LP | 0.71% | Reduce -54.5% | 2,500,000 | $10.3M |
| Lloyd Harbor Capital Management, LLC | 5.01% | Reduce -22.3% | 2,250,000 | $9.3M |
| BNP Paribas Financial Markets | 0.01% | Add +774.9% | 2,169,307 | $9.0M |
| HighTower Advisors, LLC | 0.01% | Add +33.5% | 2,085,842 | $8.6M |
| Wells Fargo & Company | 0.00% | Add +68.8% | 1,959,574 | $8.1M |
| Point72 Asset Management | 0.01% | Reduce -71.4% | 1,956,854 | $8.1M |
| Swiss National Bank | 0.00% | Add +3.4% | 1,953,630 | $8.1M |
| Jane Street Group, LLC | 0.01% | Reduce -45.6% | 1,860,763 | $7.7M |
| Lonestar Capital Management LLC | 3.98% | New | 1,800,000 | $7.4M |
| Icon Advisers Inc. | 1.64% | New | 1,800,000 | $7.4M |
| Contrarius Group Holdings Ltd | 0.33% | Reduce -16.8% | 1,649,457 | $6.8M |
| Russell Investments Group, Ltd. | 0.01% | Add +29.6% | 1,468,542 | $6.1M |
| Gotham Asset Management | 0.02% | Reduce -26.5% | 1,446,664 | $6.0M |
| Citigroup Inc. | 0.00% | Add +76.0% | 1,441,189 | $6.0M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | New | 1,361,448 | $5.6M |
| Manufacturers Life Insurance Company, The | 0.00% | Add +4.0% | 1,352,730 | $5.6M |
| Creative Planning | 0.00% | Add +7.4% | 1,310,714 | $5.4M |
| Polymer Capital Management (US) LLC | 0.65% | Add +18.9% | 1,219,672 | $5.0M |
| Neuberger Berman Group LLC | 0.00% | Add +40.5% | 1,208,593 | $5.0M |
| Steadfast Capital Management LP | 0.08% | Reduce -50.3% | 1,164,000 | $4.8M |
| Verition Fund Management LLC | 0.03% | Reduce -28.4% | 1,142,433 | $4.7M |
| Castleark Management LLC | 0.14% | New | 1,141,690 | $4.7M |
| Rhumbline Advisers | 0.00% | Add +2.0% | 1,137,647 | $4.7M |
| Hosking Partners LLP | 0.16% | Add +4.9% | 1,130,657 | $4.7M |
| Legal & General Group Plc | 0.00% | Add +6.2% | 1,101,908 | $4.6M |
| Trek Financial, LLC | 0.24% | Reduce -38.9% | 1,010,186 | $4.2M |
| Masters Capital Management LLC | 0.57% | No change | 1,000,000 | $4.1M |
| Invesco Ltd. | 0.00% | Reduce -6.2% | 970,360 | $4.0M |
| Group One Trading LLC | 0.12% | Reduce -68.0% | 940,572 | $3.9M |
| California State Teachers Retirement System | 0.00% | Add +3.5% | 937,059 | $3.9M |
| FMR LLC | 0.00% | Add +18.9% | 922,005 | $3.8M |
| Alliancebernstein L.P. | 0.00% | Add +19.5% | 916,615 | $3.8M |
| Franklin Resources Inc. | 0.00% | Add +318.9% | 901,105 | $3.7M |
| Healthcare of Ontario Pension Plan Trust Fund | 0.01% | New | 875,937 | $3.6M |
| T. Rowe Price Associates Inc. | 0.00% | Add +17.8% | 835,391 | $3.5M |
| Soviero Asset Management, LP | 1.73% | Add +37.9% | 800,000 | $3.3M |
| Voleon Capital Management LP | 0.07% | Add +3488.3% | 796,747 | $3.3M |
| Deutsche Bank AG | 0.00% | Add +12.0% | 777,686 | $3.2M |
| Victory Capital Management Inc. | 0.00% | Add +723.7% | 743,065 | $3.1M |
| CenterBook Partners LP | 0.14% | New | 699,993 | $2.9M |
| Glenorchy Capital Ltd | 1.86% | Add +3.2% | 691,779 | $2.9M |
| Keating Investment Counselors Inc. | 0.79% | Add +4.4% | 687,604 | $2.8M |
| Arkadios Wealth Advisors | 0.05% | Reduce -16.0% | 652,018 | $2.7M |
| Acadian Asset Management LLC | 0.00% | Add +411.0% | 641,383 | $2.6M |
| SG Americas Securities, LLC | 0.00% | Add +194.7% | 620,400 | $2.6M |
| Jump Financial, LLC | 0.03% | New | 610,949 | $2.5M |
| XTX Topco Ltd | 0.06% | Reduce -27.3% | 572,632 | $2.4M |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 0.08% | — | 566,158 | $2.3M |
| State of New Jersey Common Pension Fund D | 0.01% | New | 522,242 | $2.2M |
| DZ BANK AG Deutsche Zentral Genossenschafts Bank, Frankfurt am Main | 0.00% | New | 520,000 | $2.1M |
| MetLife Investment Management, LLC | 0.01% | Add +3.6% | 512,407 | $2.1M |
"% of holder's portfolio" is RIG's weight in each manager's 13F, not the share of Transocean Ltd. the manager owns.