| Filer | Ownership | Change % | Holdings Value | Net Change | Nb Shares | Change % | Reporting Name | Report Period |
|---|---|---|---|---|---|---|---|---|
| Mohn Frederik Wilhelm | 8.8% | -13% | $400,272,583 | +$6,195,000 | 96,918,301 | +1.6% | Frederik W. Mohn | 09 Feb 2026 |
| BlackRock, Inc. | 6.4% | $123,458,727 | 56,117,603 | BlackRock, Inc. | 31 Mar 2025 | |||
| Capital World Investors | 4.6% | -15% | $88,489,751 | -$17,683,721 | 40,222,614 | -17% | Capital World Investors | 31 Dec 2024 |
| PRIMECAP MANAGEMENT CO/CA/ | 1.5% | $37,542,425 | 13,126,722 | PRIMECAP MANAGEMENT CO/CA/ | 30 Jun 2025 |
As of 31 Dec 2025, 453 institutional investors reported holding 768,523,341 shares of Transocean Ltd. - Shares, $0.10 par value (RIG). This represents 70% of the company’s total 1,101,344,330 outstanding shares.
The largest institutional shareholders of Transocean Ltd. - Shares, $0.10 par value (RIG) together control 54% of the company’s outstanding shares — a level of ownership often associated with strong institutional conviction and long‑term capital commitment.
| Institution | Ownership % | Shares Held | Share Change % | Portfolio % | Holdings Value |
|---|---|---|---|---|---|
| VANGUARD GROUP INC | 8.8% | 97,006,263 | +2.6% | 0.01% | $400,635,866 |
| BlackRock, Inc. | 8% | 88,142,959 | +3.4% | 0.01% | $364,030,423 |
| DIMENSIONAL FUND ADVISORS LP | 3.9% | 43,470,312 | +21% | 0.04% | $179,531,409 |
| PILGRIM GLOBAL ADVISORS LLC | 2.9% | 31,759,346 | 0% | 24% | $131,166,099 |
| AMERICAN CENTURY COMPANIES INC | 2.5% | 27,488,687 | +3.9% | 0.06% | $113,528,284 |
| Dalal Street, LLC | 2.5% | 27,040,133 | +11% | 28% | $111,675,749 |
| MORGAN STANLEY | 2.3% | 24,790,325 | +9.4% | 0.01% | $102,384,045 |
| STATE STREET CORP | 2.2% | 24,725,897 | +13% | 0% | $102,117,955 |
| TWO SIGMA INVESTMENTS, LP | 2.2% | 24,235,919 | +30% | 0.15% | $100,094,345 |
| GEODE CAPITAL MANAGEMENT, LLC | 2.1% | 22,797,180 | +7.1% | 0.01% | $94,168,064 |
| TWO SIGMA ADVISERS, LP | 2% | 22,213,154 | +19% | 0.18% | $91,740,326 |
| VAN ECK ASSOCIATES CORP | 1.5% | 16,824,069 | +15% | 0.06% | $69,483,000 |
| D. E. Shaw & Co., Inc. | 1.5% | 16,425,031 | +483% | 0.05% | $67,835,378 |
| GOLDMAN SACHS GROUP INC | 1.5% | 16,045,959 | -27% | 0.01% | $66,269,812 |
| Capital World Investors | 1.4% | 15,665,736 | -16% | 0.01% | $64,699,490 |
| BANK OF AMERICA CORP /DE/ | 1.4% | 15,504,361 | +338% | 0% | $64,033,012 |
| KEYBANK NATIONAL ASSOCIATION/OH | 1.1% | 12,251,077 | +8.7% | 0.18% | $50,596,964 |
| BARCLAYS PLC | 0.98% | 10,802,664 | +231% | 0.02% | $44,615,003 |
| GENDELL JEFFREY L | 0.98% | 10,789,833 | +34% | 0.78% | $44,562,010 |
| CHARLES SCHWAB INVESTMENT MANAGEMENT INC | 0.91% | 9,997,978 | -3.3% | 0.01% | $41,291,649 |
| RENAISSANCE TECHNOLOGIES LLC | 0.82% | 9,035,328 | +417% | 0.06% | $37,315,905 |
| SUSQUEHANNA INTERNATIONAL GROUP, LLP | 0.81% | 8,867,750 | -25% | 0.05% | $36,623,808 |
| NORTHERN TRUST CORP | 0.72% | 7,897,577 | +0.01% | 0% | $32,616,992 |
| MILLENNIUM MANAGEMENT LLC | 0.69% | 7,596,497 | -8.2% | 0.02% | $31,373,533 |
| CITADEL ADVISORS LLC | 0.64% | 7,005,529 | +54% | 0.02% | $28,932,835 |
| Period | Reported Shares, Excl. Options | Value, Excl. Options | Value Change | Price (Median) | Investors |
|---|---|---|---|---|---|
| 2025 Q4 | 768,523,341 | $3,174,106,586 | +$140,366,682 | $4.13 | 453 |
| 2025 Q3 | 748,831,983 | $2,336,378,040 | +$469,974,952 | $3.12 | 445 |
| 2025 Q2 | 600,402,432 | $1,555,215,783 | -$26,519,287 | $2.59 | 418 |
| 2025 Q1 | 605,500,336 | $1,919,496,140 | -$14,393,262 | $3.17 | 402 |
| 2024 Q4 | 609,720,063 | $2,286,338,730 | -$10,536,398 | $3.75 | 438 |
| 2024 Q3 | 605,032,090 | $2,570,118,382 | -$18,923,418 | $4.25 | 417 |
| 2024 Q2 | 602,231,084 | $3,223,214,035 | +$276,475,185 | $5.35 | 411 |
| 2024 Q1 | 548,361,294 | $3,443,769,240 | -$5,648,253 | $6.28 | 419 |
| 2023 Q4 | 547,216,208 | $3,474,784,440 | -$36,782,804 | $6.35 | 423 |
| 2023 Q3 | 539,993,633 | $4,431,352,889 | +$218,553,775 | $8.21 | 422 |
| 2023 Q2 | 509,700,039 | $3,572,411,033 | -$102,290,964 | $7.01 | 384 |
| 2023 Q1 | 525,695,763 | $3,343,549,352 | +$400,351,452 | $6.36 | 392 |
| 2022 Q4 | 463,083,127 | $2,111,673,406 | +$316,189,137 | $4.56 | 362 |
| 2022 Q3 | 397,277,077 | $981,353,984 | +$39,402,605 | $2.47 | 285 |
| 2022 Q2 | 381,315,055 | $1,269,865,701 | -$766,289 | $3.33 | 286 |
| 2022 Q1 | 379,347,582 | $1,733,881,945 | +$254,683,979 | $4.57 | 303 |
| 2021 Q4 | 325,364,612 | $898,136,470 | -$3,376,313 | $2.76 | 275 |
| 2021 Q3 | 322,720,420 | $1,222,983,895 | -$78,703,928 | $3.79 | 260 |
| 2021 Q2 | 342,122,590 | $1,546,427,015 | +$60,965,835 | $4.52 | 276 |
| 2021 Q1 | 329,199,307 | $1,168,532,551 | +$119,839,668 | $3.55 | 250 |
| 2020 Q4 | 293,634,044 | $678,350,900 | +$31,015,574 | $2.31 | 223 |
| 2020 Q3 | 294,245,615 | $237,459,540 | -$64,814,605 | $0.81 | 219 |
| 2020 Q2 | 352,989,993 | $645,998,226 | -$87,947,928 | $1.83 | 258 |
| 2020 Q1 | 435,016,463 | $504,398,932 | -$135,837,904 | $1.16 | 275 |
| 2019 Q4 | 433,867,027 | $2,985,185,489 | -$8,988,990 | $6.88 | 347 |
| 2019 Q3 | 439,748,899 | $1,965,212,212 | -$73,906,203 | $4.47 | 357 |
| 2019 Q2 | 445,466,511 | $2,854,464,163 | +$58,493,519 | $6.41 | 362 |
| 2019 Q1 | 435,676,560 | $3,795,651,520 | -$187,695,698 | $8.71 | 417 |
| 2018 Q4 | 464,518,562 | $3,224,181,096 | +$451,884,837 | $6.94 | 398 |
| 2018 Q3 | 380,419,550 | $5,306,071,109 | +$662,584,642 | $13.95 | 415 |
| 2018 Q2 | 331,585,200 | $4,456,062,304 | -$63,259,934 | $13.44 | 412 |
| 2018 Q1 | 339,159,904 | $3,358,007,294 | +$454,555,865 | $9.90 | 405 |
| 2017 Q4 | 292,126,022 | $3,120,330,356 | -$46,583,566 | $10.68 | 402 |
| 2017 Q3 | 288,269,834 | $3,101,333,477 | +$237,320,538 | $10.76 | 382 |
| 2017 Q2 | 267,762,674 | $2,203,307,165 | -$73,864,989 | $8.23 | 397 |
| 2017 Q1 | 266,778,871 | $3,320,025,370 | +$465,383,875 | $12.45 | 419 |
| 2016 Q4 | 248,782,899 | $3,666,738,914 | +$55,081,175 | $14.74 | 403 |
| 2016 Q3 | 253,252,768 | $2,696,095,406 | -$184,123,994 | $10.66 | 383 |
| 2016 Q2 | 265,796,444 | $3,159,803,512 | -$97,860,206 | $11.89 | 372 |
| 2016 Q1 | 273,351,208 | $2,496,301,320 | +$115,498,059 | $9.14 | 359 |
| 2015 Q4 | 260,578,049 | $3,227,317,181 | +$31,041,074 | $12.38 | 359 |
| 2015 Q3 | 258,593,652 | $3,339,672,341 | +$351,348,791 | $12.92 | 381 |
| 2015 Q2 | 230,663,735 | $3,718,289,106 | -$26,913,700 | $16.12 | 391 |
| 2015 Q1 | 232,356,114 | $3,406,754,345 | -$295,116,392 | $14.67 | 390 |
| 2014 Q4 | 249,485,388 | $4,572,162,856 | +$96,003,435 | $18.33 | 427 |
| 2014 Q3 | 241,824,012 | $7,724,392,123 | +$519,861,623 | $31.97 | 478 |
| 2014 Q2 | 223,350,961 | $10,058,418,621 | +$237,420,073 | $45.03 | 498 |
| 2014 Q1 | 220,857,657 | $9,109,191,060 | +$318,917,861 | $41.34 | 498 |