TRANSOCEAN LTD (H8817H100) Institutional Shareholders
TRANSOCEAN LTD (H8817H100) is currently reported in institutional portfolios tracked by InsiderSet based on the latest available SEC Form 13F filings for the quarter ended June 30, 2026. The institutional investors covered on this page collectively reported approximately $5.76B in H8817H100 holdings during the latest filing period.
Blackrock, Inc. is currently the largest disclosed institutional shareholder of H8817H100 tracked by InsiderSet, reporting ownership valued at approximately $585.90M in its March 31, 2026 SEC Form 13F filing.
The top 10 institutional shareholders tracked on this page collectively account for approximately 49% of the total disclosed H8817H100 value among the investors covered in this analysis. Major shareholders include Blackrock, Inc., Dimensional Fund Advisors Lp, Vanguard Portfolio Management Llc, and several other long-term asset managers with concentrated positions in TRANSOCEAN LTD (H8817H100).
This page ranks the largest institutional H8817H100 shareholders using publicly disclosed SEC Form 13F data, including reported values, estimated current holding values, portfolio allocation percentages, ownership concentration metrics, and historical holding changes across major hedge funds and investment firms.
Institutional Holders
518
Total Reported Value
$5.76B
Largest Holder
Blackrock, Inc.
Largest Position
$585.90M
Insider Transactions (90d)
0
Latest Filing Quarter
Q2 2026
New Institutional Positions
94
Funds Exiting Positions
0
| Name | Investor/Manager | Portfolio % | Quantity | Reported Balance | Current Estimated Value | Gain/loss Since Filing | Estimated Portfolio Performance |
|---|---|---|---|---|---|---|---|
| Blackrock, Inc. | 0.01% | 88,371,248 | $585,901,378 | — | — | — | |
| Dimensional Fund Advisors Lp | 0.07% | 48,819,576 | $323,682,016 | — | — | — | |
| Vanguard Portfolio Management Llc | 0.02% | 46,862,730 | $310,699,900 | — | — | — | |
| Two Sigma Investments, Lp | 0.26% | 46,463,736 | $308,054,570 | — | — | — | |
| Vanguard Capital Management Llc | 0.01% | 44,272,423 | $293,526,165 | — | — | — | |
| D. E. Shaw & Co., Inc. | 0.21% | 39,262,599 | $260,311,032 | — | — | — | |
| Slate Path Capital Lp | 2.96% | 30,062,100 | $199,311,723 | — | — | — | |
| Capital World Investors | 0.03% | 29,575,479 | $196,085,426 | — | — | — | |
| State Street Corp | 0.01% | 24,982,204 | $165,632,013 | — | — | — | |
| Pilgrim Global Advisors Llc | 20.53% | 23,913,120 | $158,543,986 | — | — | — | |
| Geode Capital Management, Llc | 0.01% | 23,471,597 | $155,645,651 | — | — | — | |
| American Century Companies Inc | 0.08% | 22,759,181 | $150,893,371 | — | — | — | |
| Morgan Stanley | 0.01% | 21,693,064 | $143,825,020 | — | — | — | |
| Dalal Street | Mohnish Pabrai | 31.97% | 20,392,672 | $135,203,415 | — | — | — |
| Voloridge Investment Management, Llc | 0.44% | 16,542,717 | $109,678,214 | — | — | — | |
| Marshall Wace, Llp | 0.11% | 16,043,764 | $106,370,155 | — | — | — | |
| Elliott Investment Management L.P. | 0.65% | 15,626,834 | $103,605,909 | — | — | — | |
| Goldman Sachs Group Inc | 0.01% | 12,901,382 | $85,536,163 | — | — | — | |
| Gendell Jeffrey L | 1.06% | 11,700,000 | $77,571,000 | — | — | — | |
| Fil Ltd | 0.06% | 11,240,815 | $74,526,603 | — | — | — | |
| Charles Schwab Investment Management Inc | 0.01% | 9,810,858 | $65,045,989 | — | — | — | |
| Keybank National Association/Oh | 0.21% | 13,040,146 | $63,766,343 | — | — | — | |
| Bank Of America Corp | 0.00% | 8,602,323 | $57,033,401 | — | — | — | |
| Northern Trust Corp | 0.01% | 8,142,544 | $53,985,067 | — | — | — | |
| Driehaus Capital Management Llc | 0.35% | 7,210,869 | $47,808,061 | — | — | — | |
| Vanguard Fiduciary Trust Co | 0.01% | 6,411,389 | $42,507,509 | — | — | — | |
| Cwa Asset Management Group, Llc | 1.31% | 8,688,877 | $42,488,609 | — | — | — | |
| Canoe Financial Lp | 0.53% | 8,682,600 | $42,457,914 | — | — | — | |
| Susquehanna International Group, Llp | 0.05% | 6,231,346 | $41,313,824 | — | — | — | |
| Ubs Group Ag | 0.01% | 6,053,283 | $40,133,266 | — | — | — | |
| Bank Of New York Mellon Corp | 0.01% | 5,698,827 | $37,783,223 | — | — | — | |
| Assenagon Asset Management S.A. | 0.05% | 7,664,059 | $37,477,249 | — | — | — | |
| Point72 Asset Management, L.P. | 0.06% | 5,406,425 | $35,844,598 | — | — | — | |
| Tudor Investment Corp Et Al | 0.19% | 5,278,418 | $34,995,911 | — | — | — | |
| Cibc World Market Inc. | 0.06% | 5,203,488 | $34,499,125 | — | — | — | |
| Millennium Management Llc | 0.02% | 4,691,515 | $31,104,744 | — | — | — | |
| Empyrean Capital Partners, Lp | 1.01% | 4,570,463 | $30,302,170 | — | — | — | |
| Ion Fund Management Ltd | 4.54% | 4,488,400 | $29,758,092 | — | — | — | |
| Nuveen, Llc | 0.01% | 4,475,271 | $29,671,047 | — | — | — | |
| Solus Alternative Asset Management Lp | 7.97% | 4,470,000 | $29,636,100 | — | — | — | |
| Squarepoint Ops Llc | 0.06% | 4,207,727 | $27,897,230 | — | — | — | |
| Fmr Llc | 0.00% | 3,933,339 | $26,078,036 | — | — | — | |
| Clough Capital Partners L P | 2.31% | 3,610,967 | $23,940,711 | — | — | — | |
| Citadel Advisors Llc | 0.02% | 3,514,711 | $23,302,534 | — | — | — | |
| Aqr Capital Management Llc | 0.01% | 3,276,216 | $21,721,312 | — | — | — | |
| Bnp Paribas Financial Markets | 0.01% | 3,246,615 | $21,525,057 | — | — | — | |
| Rokos Capital Management Llp | 0.37% | 3,169,572 | $21,030,110 | — | — | — | |
| Man Group Plc | 0.04% | 3,151,637 | $20,895,353 | — | — | — | |
| Renaissance Technologies LLC | Jim Simons | 0.03% | 3,134,728 | $20,783,247 | — | — | — |
| Jump Financial, Llc | 0.30% | 3,097,365 | $20,535,530 | — | — | — |
Frequently asked questions about H8817H100
Who owns the most H8817H100 stock?
The largest holders of H8817H100 are typically major institutional investors such as asset managers and hedge funds reporting on Form 13F. The table above ranks tracked superinvestors by reported position size using the latest available filings for TRANSOCEAN LTD (H8817H100).
Is H8817H100 widely held by superinvestors?
Many widely followed stocks like H8817H100 appear across numerous superinvestor portfolios because of liquidity, index inclusion, and fundamentals. The holder count and table above show how broadly H8817H100 is represented among the institutional managers we track.
What do “Current Estimated Value”, “Gain/loss Since Filing”, and “Estimated Portfolio Performance” mean?
Current Estimated Value is reported share quantity from the latest 13F times our most recent split-adjusted U.S. session close. Gain/loss Since Filing is that estimate minus the reported 13F dollar value; Estimated Portfolio Performance is that difference as a percent of the reported value. Green means the estimate is above the filing value; red means below (not purchase cost). If many filers share the same implied filing price per share, the performance % may match across rows. These are not official fund marks or live quotes.