TransoceanRIG
13F holders, Q1 2026 (March 31)542holders +72
130new positions
59sold out
11famous investors
$6.63avg. 13F price*
At the end of Q1 2026, 542 institutions reported holding Transocean Ltd. (RIG) in their 13F filings, up 72 from Q4 2025. 130 opened new positions and 59 sold out. The largest holders were BlackRock, Inc. ($585.9M), Dimensional Fund Advisors LP ($323.7M) and Vanguard Portfolio Management LLC ($310.7M). 11 famous investors held it, including Mohnish Pabrai (32.0% of Pabrai Investments (Dalal Street)'s portfolio), Paul Singer (0.7% of Elliott Investment Management's portfolio) and David E. Shaw (0.2% 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 Q4 2025 → Q1 2026
| Institutions | Total Value | |
|---|---|---|
| New Positions | 130 | $832.7M |
| Exits | 59 | $65.3M |
All 13F filers, Q4 2025 → Q1 2026: 263,806,656 shares bought and 105,709,090 shares sold, net +158,097,566 shares. Counts holders who added, trimmed, opened or closed a position; split-adjusted.
Ownership 542 holders
| BlackRock, Inc. | 0.01% | Add +0.3% | 88,371,248 | $585.9M |
| Dimensional Fund Advisors LP | 0.07% | Add +12.3% | 48,819,576 | $323.7M |
| Vanguard Portfolio Management LLC | 0.02% | — | 46,862,730 | $310.7M |
| Two Sigma Investments, LP | 0.26% | Add +91.7% | 46,463,736 | $308.1M |
| Vanguard Capital Management LLC | 0.01% | — | 44,272,423 | $293.5M |
| D. E. Shaw & Co. | 0.22% | Add +139.0% | 39,262,599 | $260.3M |
| Slate Path Capital LP | 2.96% | New | 30,062,100 | $199.3M |
| Capital World Investors | 0.03% | Add +88.8% | 29,575,479 | $196.1M |
| State Street Corp. | 0.01% | Add +1.0% | 24,982,204 | $165.6M |
| Pilgrim Global Advisors LLC | 20.53% | Reduce -24.7% | 23,913,120 | $158.5M |
| Geode Capital Management, LLC | 0.01% | Add +3.0% | 23,471,597 | $155.6M |
| American Century Companies Inc. | 0.08% | Reduce -17.2% | 22,759,181 | $150.9M |
| Morgan Stanley | 0.01% | Reduce -12.5% | 21,693,064 | $143.8M |
| Van Eck Associates Corp. | 0.11% | Add +25.6% | 21,137,129 | $140.1M |
| Pabrai Investments (Dalal Street) | 31.97% | Reduce -24.6% | 20,392,672 | $135.2M |
| Voloridge Investment Management, LLC | 0.44% | New | 16,542,717 | $109.7M |
| Marshall Wace, LLP | 0.11% | Add +42120.4% | 16,043,764 | $106.4M |
| Elliott Investment Management | 0.65% | New | 15,626,834 | $103.6M |
| Goldman Sachs Group Inc. | 0.01% | Reduce -19.6% | 12,901,382 | $85.5M |
| Keybank National Association | 0.31% | Add +3.3% | 12,656,881 | $83.9M |
| Gendell Jeffrey L | 1.06% | Add +8.4% | 11,700,000 | $77.6M |
| FIL Ltd | 0.06% | Add +58296.9% | 11,240,815 | $74.5M |
| Charles Schwab Investment Management Inc. | 0.01% | Reduce -1.9% | 9,810,858 | $65.0M |
| Bank of America Corp. | 0.00% | Reduce -44.5% | 8,602,323 | $57.0M |
| Northern Trust Corp. | 0.01% | Add +3.1% | 8,142,544 | $54.0M |
| Driehaus Capital Management LLC | 0.35% | New | 7,210,869 | $47.8M |
| Ninepoint Partners LP | 5.49% | New | 7,000,000 | $46.4M |
| Vanguard Fiduciary Trust Co. | 0.01% | — | 6,411,389 | $42.5M |
| Susquehanna International Group, LLP | 0.05% | Reduce -29.7% | 6,231,346 | $41.3M |
| UBS Group AG | 0.01% | Add +10.7% | 6,053,283 | $40.1M |
| Bank of New York Mellon Corp | 0.01% | Add +67.8% | 5,698,827 | $37.8M |
| Point72 Asset Management | 0.07% | Add +176.3% | 5,406,425 | $35.8M |
| Tudor Investment Corporation | 0.19% | Add +2897.5% | 5,278,418 | $35.0M |
| CWA Asset Management Group, LLC | 1.18% | New | 5,204,952 | $34.5M |
| Cibc World Market Inc. | 0.06% | Reduce -2.0% | 5,203,488 | $34.5M |
| Millennium Management | 0.02% | Reduce -38.2% | 4,691,515 | $31.1M |
| Empyrean Capital Partners, LP | 1.08% | New | 4,570,463 | $30.3M |
| JPMorgan Chase & Co. | 0.00% | Reduce -18.6% | 4,486,744 | $29.8M |
| ION Fund Management Ltd | 4.54% | Add +2.1% | 4,488,400 | $29.8M |
| Nuveen, LLC | 0.01% | Add +62.4% | 4,475,271 | $29.7M |
| Solus Alternative Asset Management LP | 8.76% | No change | 4,470,000 | $29.6M |
| Squarepoint Ops LLC | 0.06% | Reduce -22.3% | 4,207,727 | $27.9M |
| FMR LLC | 0.00% | Add +326.6% | 3,933,339 | $26.1M |
| Clough Capital Partners L P | 2.31% | Reduce -21.1% | 3,610,967 | $23.9M |
| Canoe Financial LP | 0.32% | New | 3,571,400 | $23.7M |
| Citadel Advisors | 0.02% | Reduce -49.8% | 3,514,711 | $23.3M |
| AQR Capital Management | 0.01% | Add +10.1% | 3,276,216 | $21.7M |
| BNP Paribas Financial Markets | 0.01% | Add +49.7% | 3,246,615 | $21.5M |
| Rokos Capital Management LLP | 0.37% | New | 3,169,572 | $21.0M |
| Penn Capital Management Company, LLC | 1.62% | Reduce -16.1% | 3,152,566 | $21.0M |
| Man Group plc | 0.04% | New | 3,151,637 | $20.9M |
| Renaissance Technologies | 0.03% | Reduce -65.3% | 3,134,728 | $20.8M |
| Jump Financial, LLC | 0.34% | Add +407.0% | 3,097,365 | $20.5M |
| Trexquant Investment LP | 0.15% | New | 3,075,885 | $20.4M |
| Madison Asset Management, LLC | 0.25% | No change | 3,030,000 | $20.1M |
| HSBC Holdings PLC | 0.01% | Reduce -6.4% | 2,916,902 | $19.2M |
| Barclays PLC | 0.01% | Reduce -75.4% | 2,655,218 | $17.6M |
| Fideuram - Intesa Sanpaolo Private Banking S.P.A. | 0.61% | Add +358.8% | 2,597,366 | $17.2M |
| Quadrature Capital Ltd | 0.20% | New | 2,592,119 | $17.2M |
| Primecap Management Co. | 0.01% | Reduce -35.4% | 2,573,290 | $17.1M |
| Balyasny Asset Management L.P. | 0.03% | New | 2,510,772 | $16.6M |
| Panagora Asset Management Inc. | 0.06% | Add +22500.1% | 2,506,575 | $16.6M |
| TIG Advisors, LLC | 0.79% | New | 2,496,226 | $16.5M |
| Contrarius Group Holdings Ltd | 0.93% | Add +49.8% | 2,470,095 | $16.4M |
| Public Sector Pension Investment Board | 0.05% | Reduce -8.0% | 2,376,569 | $15.8M |
| Invesco Ltd. | 0.00% | Add +143.1% | 2,358,827 | $15.6M |
| New York State Common Retirement Fund | 0.02% | Reduce -16.3% | 2,176,482 | $14.4M |
| Connor, Clark & Lunn Investment Management Ltd. | 0.03% | New | 2,033,136 | $13.5M |
| Masters Capital Management LLC | 1.96% | Add +100.0% | 2,000,000 | $13.3M |
| Burkehill Global Management, LP | 0.69% | Reduce -20.0% | 2,000,000 | $13.3M |
| Swiss National Bank | 0.01% | Add +0.4% | 1,961,930 | $13.0M |
| Aquatic Capital Management LLC | 0.34% | New | 1,766,695 | $11.7M |
| Canada Pension Plan Investment Board | 0.01% | Add +754.6% | 1,645,200 | $10.9M |
| Forvis Mazars Wealth Advisors, LLC | 0.21% | Reduce -44.0% | 1,641,917 | $10.9M |
| Creative Planning | 0.01% | Add +20.7% | 1,581,635 | $10.5M |
| Trek Financial, LLC | 0.55% | Add +55.2% | 1,567,435 | $10.4M |
| Neuberger Berman Group LLC | 0.01% | Add +28.7% | 1,555,152 | $10.3M |
| UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC | 0.00% | Add +8.2% | 1,472,926 | $9.8M |
| HRT Financial LP | 0.02% | New | 1,427,826 | $9.5M |
| Packer & Co Ltd | 3.48% | New | 1,405,000 | $9.3M |
| Algert Global LLC | 0.14% | Reduce -47.6% | 1,387,490 | $9.2M |
| Manufacturers Life Insurance Company, The | 0.01% | Add +1.8% | 1,376,944 | $9.1M |
| Russell Investments Group, Ltd. | 0.01% | Reduce -6.4% | 1,374,546 | $9.1M |
| Wells Fargo & Company | 0.00% | Reduce -31.6% | 1,341,392 | $8.9M |
| Lloyd Harbor Capital Management, LLC | 4.55% | Reduce -41.1% | 1,324,900 | $8.8M |
| Hosking Partners LLP | 0.31% | Add +17.0% | 1,322,948 | $8.8M |
| Acadian Asset Management LLC | 0.01% | Add +92.5% | 1,234,579 | $8.2M |
| Thrivent Financial for Lutherans | 0.02% | New | 1,221,388 | $8.1M |
| Rhumbline Advisers | 0.01% | Add +3.7% | 1,179,284 | $7.8M |
| California State Teachers Retirement System | 0.01% | Add +23.5% | 1,157,178 | $7.7M |
| Engineers Gate Manager LP | 0.09% | New | 1,111,361 | $7.4M |
| Gotham Asset Management | 0.02% | Reduce -23.4% | 1,108,908 | $7.4M |
| T. Rowe Price Associates Inc. | 0.00% | Add +24.5% | 1,040,311 | $6.9M |
| Polymer Capital Management (US) LLC | 0.99% | Reduce -17.7% | 1,004,323 | $6.7M |
| Monolith Management Ltd | 2.49% | New | 966,000 | $6.4M |
| Legal & General Group Plc | 0.00% | Reduce -12.6% | 963,034 | $6.4M |
| First Trust Advisors LP | 0.00% | Add +3072.5% | 958,406 | $6.4M |
| Deutsche Bank AG | 0.00% | Add +21.1% | 942,097 | $6.2M |
| Oxbow Advisors, LLC | 0.53% | New | 925,395 | $6.1M |
| Lonestar Capital Management LLC | 3.21% | Reduce -50.0% | 900,000 | $6.0M |
"% of holder's portfolio" is RIG's weight in each manager's 13F, not the share of Transocean Ltd. the manager owns.