Transocean Ltd. - Shares, $0.10 par value (RIG)

Historical Holders from Q1 2014 to Q4 2025

Symbol
RIG on NYSE
Type / Class
Equity / Shares, $0.10 par value
Shares outstanding
944,735,653
All holders as of 30 Sep 2025
Q3 2025
Total 13F shares, excl. options
748,792,592
Holdings value
$2,336,251,683
% of all portfolios
0.01%
Number of holders
443
Number of buys
244
Number of sells
149
Average buys %
+0.01%
Average sells %
-0%
Reported Shares, Excluding Options vs Price
Reported Value, Excluding Options
Total Investors

Significant Owners of Transocean Ltd. - Shares, $0.10 par value (RIG) based on Schedule 13D/G filings

Filer Ownership Change % Holdings Value Net Change Nb Shares Change % Reporting Name Report Period
Mohn Frederik Wilhelm 10% $292,934,184 95,418,301 Frederik W. Mohn 30 Sep 2025
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 30 Sep 2025 Transocean Ltd. - Shares, $0.10 par value (RIG) has 443 institutional shareholders that have filed 13F forms with the Securities Exchange Commission (SEC). These institutions hold a total of 748,792,592 shares of 944,735,653 outstanding shares and own 79% of the company stock as of 30 Sep 2025.

Top 25 institutional shareholders of Transocean Ltd. - Shares, $0.10 par value (RIG) own 60% of the company based on 13F filings as of 30 Sep 2025

Filer Ownership Nb Shares Share Change % Portfolio % Holdings Value
VANGUARD GROUP INC 10% 94,519,248 +19% 0% $294,900,054
BlackRock, Inc. 9% 85,212,336 +14% 0% $265,862,487
DIMENSIONAL FUND ADVISORS LP 3.8% 35,953,723 -7.6% 0.02% $112,174,393
Pilgrim Global Advisors LLC 3.4% 31,759,346 +80% 19% $99,089,160
AMERICAN CENTURY COMPANIES INC 2.8% 26,456,554 +13% 0.04% $82,544,449
Dalal Street, LLC 2.6% 24,442,332 23% $76,260,076
MORGAN STANLEY 2.4% 22,654,361 +23% 0% $70,681,609
GOLDMAN SACHS GROUP INC 2.3% 21,950,530 +84% 0.01% $68,485,653
STATE STREET CORP 2.3% 21,869,525 +5.3% 0% $68,232,918
GEODE CAPITAL MANAGEMENT, LLC 2.3% 21,281,287 +18% 0% $66,408,988
Capital World Investors 2% 18,665,736 -49% 0.01% $58,237,096
TWO SIGMA ADVISERS, LP 2% 18,649,554 +16% 0.12% $58,186,608
TWO SIGMA INVESTMENTS, LP 2% 18,636,188 +0.35% 0.09% $58,144,907
Ghisallo Capital Management LLC 2% 18,500,000 1.9% $57,720,000
VAN ECK ASSOCIATES CORP 1.6% 14,690,291 +6.4% 0.04% $45,834,000
SUSQUEHANNA INTERNATIONAL GROUP, LLP 1.3% 11,861,221 +191% 0.05% $37,007,009
KEYBANK NATIONAL ASSOCIATION/OH 1.2% 11,273,454 +4% 0.12% $35,173,193
CHARLES SCHWAB INVESTMENT MANAGEMENT INC 1.1% 10,341,874 -12% 0.01% $32,266,647
PRIMECAP MANAGEMENT CO/CA/ 1.1% 10,081,990 -23% 0.02% $31,455,809
Zimmer Partners, LP 1% 9,699,252 0.74% $30,261,666
MILLENNIUM MANAGEMENT LLC 0.88% 8,272,562 +278% 0.02% $25,810,393
Yaupon Capital Management LP 0.87% 8,250,000 1.3% $25,740,000
GENDELL JEFFREY L 0.85% 8,023,351 +473% 0.46% $25,032,855
NORTHERN TRUST CORP 0.84% 7,896,962 +14% 0% $24,638,522
Point72 Asset Management, L.P. 0.72% 6,838,097 +78% 0.05% $21,334,863

Institutional Holders of Transocean Ltd. - Shares, $0.10 par value (RIG) across Reporting Periods

Period Reported Shares, Excl. Options Value, Excl. Options Value Change Price Investors
2025 Q4 6,902 $28,505 -$8,706 $4.13 4
2025 Q3 748,792,592 $2,336,251,683 +$469,944,412 $3.12 443
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 $0.8069 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