RIG · Transocean Ltd. · Holdings
Institutional ownership from SEC Form 13F filings. Investment managers with more than $100 million in U.S. equities must disclose their positions every quarter, within 45 days of quarter-end, so the holdings shown can lag the market by up to a quarter.
Institutional Ownership Trend
Superinvestors Holding RIG
All superinvestors →Holder Concentration
Across 547 13F filersWho Holds RIG
Last 8 quarters through Sep 30, 2026 (filing window open)Each kind of 13F filer's share of the common shares 13F filers report. Holder type comes from regulatory records, never the filer's name; style, turnover and horizon are measured from each filer's own 13F book. The quarter selector does not change this card.
Jun 30, 2026, the newest closed quarter: 539 filers, like-for-like change +10.1%; actively managed books +14.5%; index-like books +5.0%.
| Holder type | Share | Filers | Change |
|---|---|---|---|
| Registered adviser | 52.3% | 306 | +10.4% |
| Exempt adviser | 1.0% | 11 | -53.4% |
| Adviser | 3.4% | 9 | +3.9% |
| Bank | 10.0% | 20 | +33.0% |
| Insurer | 0.0% | 3 | -23.4% |
| Broker-dealer | 0.1% | 1 | +50.1% |
| Benefit plan | 0.1% | 5 | +6.1% |
| Non-US | 1.8% | 9 | -7.3% |
| Holding company | 14.2% | 8 | +9.7% |
| Unknown | 16.9% | 167 | +11.1% |
| Style | Share | Filers | Change |
|---|---|---|---|
| Index-like | 29.2% | 38 | +5.0% |
| Systematic-like | 14.1% | 38 | -11.0% |
| Concentrated | 6.9% | 111 | +24.2% |
| Diversified active | 46.1% | 349 | +23.9% |
| Unknown | 3.8% | 3 | -14.7% |
| Not measured | 0.0% | 0 | — |
| Turnover | Share | Filers | Change |
|---|---|---|---|
| Low turnover | 41.8% | 323 | +5.8% |
| Medium turnover | 23.5% | 101 | +25.9% |
| High turnover | 23.2% | 79 | +6.4% |
| Unknown | 11.5% | 36 | +6.6% |
| Not measured | 0.0% | 0 | — |
| Holding horizon | Share | Filers | Change |
|---|---|---|---|
| Short horizon | 14.5% | 67 | +11.0% |
| Medium horizon | 19.1% | 99 | +0.8% |
| Long horizon | 54.5% | 337 | +18.1% |
| Unknown | 11.8% | 36 | -6.0% |
| Not measured | 0.0% | 0 | — |
| 13F book size | Share | Filers | Change |
|---|---|---|---|
| Under $1B | 6.7% | 168 | -1.2% |
| $1B to $10B | 12.5% | 175 | +26.4% |
| $10B to $100B | 17.2% | 122 | +20.8% |
| $100B or more | 63.6% | 74 | +6.2% |
| Not measured | 0.0% | 0 | — |
| Client base | Share | Filers | Change |
|---|---|---|---|
| Individuals and high net worth | 2.5% | 189 | +23.0% |
| Pooled investment vehicles | 26.0% | 57 | +23.6% |
| Registered funds and BDCs | 21.4% | 19 | +3.1% |
| Pension and profit sharing plans | 0.1% | 5 | -12.1% |
| Insurance companies | 0.1% | 4 | +22.6% |
| Charitable organizations | 0.0% | 1 | -54.5% |
| Governments and sovereign funds | 1.1% | 6 | -17.7% |
| Corporations | 0.0% | 2 | +14.3% |
| Other investment advisers | 0.0% | 6 | +3.5% |
| Other | 0.0% | 1 | -79.8% |
| Diversified | 0.9% | 15 | -49.7% |
| Banks and thrifts | 0.0% | 0 | — |
| Unknown | 47.8% | 234 | +10.0% |
| Private funds | Share | Filers | Change |
|---|---|---|---|
| Hedge funds | 25.8% | 81 | +8.6% |
| Private equity funds | 0.3% | 17 | -31.2% |
| Venture capital funds | 0.0% | 1 | -18.6% |
| Real estate funds | 0.0% | 5 | +6.2% |
| Securitized asset funds | 0.0% | 1 | -99.7% |
| Other private funds | 6.8% | 18 | +22.2% |
| Mixed private funds | 1.9% | 3 | -26.1% |
| Private funds, type not stated | 2.6% | 6 | +18.8% |
| No private funds | 15.9% | 185 | +7.1% |
| Unknown | 46.7% | 222 | +13.2% |
| Location | Share | Filers | Change |
|---|---|---|---|
| United States | 87.4% | 452 | +7.9% |
| Outside the US | 12.6% | 87 | +29.1% |
The Sep 30, 2026 filing window is still open, so its bar carries the Jun 30, 2026 positions of filers that have not filed yet.
How the mix is measured
Shares are 13F common shares restated to today's split basis; options and principal amounts are left out. The change compares only filers with a 13F in both quarters and keeps each filer in its bucket of the later quarter on both sides; a filer that continues under a new CIK is compared through its successor. Holder type comes from each filer's current regulatory profile; client base and private funds come from the Form ADV roster current at each quarter end (rosters from December 2019, so an earlier quarter reads Unknown). Style, turnover, horizon and book size are measured from each filer's 13F book in the newest measured quarter, and Not measured means none was. Actively managed books are those measured systematic-like, concentrated or diversified active.
Excluded 4 holders with no observed 2026-03-31 13F and 7 holders with no observed 2026-06-30 13F. Compared across CIK changes: JANUS HENDERSON GROUP PLC continues as Jupiter Topco LLC.
Conviction and Crowding
539 13F filers, quarter ended Jun 30, 2026Measured across every 13F filer's common-share book once the quarter's filing window closed. Crowding counts filers with high turnover or that advise private funds on Form ADV.
Managers in the top fifth by current three-year FundScore alpha were net sellers of $40,843,560 (0 buying, 1 selling).
Estimated Holder Cost Basis
Quarter ended Jun 30, 2026, on that quarter's share basisEstimated, never filed: each 13F buy is costed at its quarter's average traded price and each sale keeps the average cost, so this is what holders paid on average if they traded evenly through each quarter.
Estimated cost covers 51.5% of the 13F shares; positions already held when a filer's 13F history starts, or bought in a quarter without a trusted average price, have no estimate.
Shared Holders
Companies RIG's active holders also own, quarter ended Jun 30, 2026Shareholder Targets
13F filers that own its peers but not RIG, quarter ended Jun 30, 2026Found through its holder-overlap peers: NE, TDW, SDRL, FRO, HAL, WOLF, SBSW, BTU, SCL, GNK, DHT, VAL, BORR, CNR, ENVX, GSM, TEN, CE, GTX, SLB. 1,982 filers in all.
| # | Filer | In peers | Largest peers |
|---|---|---|---|
| 1 | First Eagle Investment Management, LLC Registered adviser, Diversified active | $1,871,564,106 3 held | SLB, NE, SDRL |
| 2 | NORGES BANK Non-US, Index-like | $1,761,014,567 7 held | SLB, CE, HAL |
| 3 | Renesas Electronics America Inc. Unknown, Unknown | $813,126,949 1 held | WOLF |
| 4 | WELLINGTON MANAGEMENT GROUP LLP Holding company, Diversified active | $804,135,072 8 held | SLB, TDW, HAL |
| 5 | Boston Partners Registered adviser, Diversified active | $778,674,741 7 held | SLB, HAL, CE |
| 6 | Dodge & Cox Registered adviser, Diversified active | $707,558,495 2 held | CE, SLB |
| 7 | FULLER & THALER ASSET MANAGEMENT, INC. Registered adviser, Diversified active | $574,146,744 2 held | GTX, CE |
| 8 | LSV ASSET MANAGEMENT Registered adviser, Diversified active | $564,139,465 6 held | GTX, HAL, DHT |
| 9 | Lingotto Investment Management LLP Unknown, Concentrated | $541,171,186 3 held | SLB, VAL, SBSW |
| 10 | Goehring & Rozencwajg Associates, LLC Registered adviser, Diversified active | $527,104,055 8 held | SLB, VAL, SDRL |
Fund Ownership of RIG by Fund Type
Registered funds' Form N-PORT reports for the quarter ended Jun 30, 2026Index funds and index ETFs hold 9.02% of shares outstanding.
| Fund type | Of shares outstanding | Shares |
|---|---|---|
| Index funds | 0.35% | 3,888,478 |
| Index ETFs | 8.67% | 96,880,768 |
| Active ETFs | 1.54% | 17,197,177 |
| Active funds | 0.77% | 8,545,081 |
| Unclassified | 1.73% | 19,354,743 |
| All registered funds | 13.06% | 145,866,247 |
How fund types are measured
Each fund series counts once, with its latest Form N-PORT report dated inside the quarter; only long share positions count, restated to today's split basis. The fund type is the series' latest Form N-CEN answer on or before the quarter end (the index-fund box and the exchange-traded flag), never its name. Unclassified funds have no usable N-CEN; unit investment trusts are among them, so index ownership is a floor. Funds sit inside their advisers' 13F reports, so these shares overlap the 13F figures and are never added to them.
| Holder | Value (USD) | % of 13F | Shares | Type | Filed | Open |
|---|---|---|---|---|---|---|
| Mega BlackRock, Inc. Holding company | $449,527,539 | 8.59% | 91,927,924 | Shares | 2026-08-07 | |
| Mega DIMENSIONAL FUND ADVISORS LP Registered adviser | $249,438,301 | 4.77% | 51,009,878 | Shares | 2026-08-11 | |
| Mega VANGUARD PORTFOLIO MANAGEMENT LLC Registered adviser | $241,060,310 | 4.61% | 49,296,587 | Shares | 2026-08-13 | |
| Mega TWO SIGMA INVESTMENTS, LP Registered adviser | $225,943,936 | 4.32% | 46,205,304 | Shares | 2026-08-14 | |
| Mega VANGUARD CAPITAL MANAGEMENT LLC Registered adviser | $221,030,904 | 4.23% | 45,200,594 | Shares | 2026-08-13 | |
| Mega D. E. Shaw & Co., Inc. | $204,370,703 | 3.91% | 41,793,600 | Shares | 2026-08-14 | |
| Mid Slate Path Capital LP Registered adviser | $182,232,207 | 3.48% | 37,266,300 | Shares | 2026-08-14 | |
| Mega Capital World Investors Adviser | $151,462,126 | 2.90% | 30,973,850 | Shares | 2026-08-12 | |
| Mega GEODE CAPITAL MANAGEMENT, LLC Registered adviser | $139,663,783 | 2.67% | 28,561,101 | Shares | 2026-08-12 | |
| Mega STATE STREET CORP Bank | $132,757,876 | 2.54% | 27,148,850 | Shares | 2026-09-22 | |
| Mega MORGAN STANLEY Holding company | $130,527,045 | 2.50% | 26,692,648 | Shares | 2026-08-13 | |
| Mega UBS Group AG Bank | $128,962,765 | 2.47% | 26,372,754 | Shares | 2026-08-13 | |
| Mega AMERICAN CENTURY COMPANIES INC | $112,172,370 | 2.14% | 22,939,135 | Shares | 2026-08-12 | |
| Small Dalal Street, LLC Registered adviser | $99,749,442 | 1.91% | 20,398,659 | Shares | 2026-08-13 | |
| Mega VAN ECK ASSOCIATES CORP Registered adviser | $96,794,771 | 1.85% | 19,794,432 | Shares | 2026-08-14 | |
| Small PILGRIM GLOBAL ADVISORS LLC Registered adviser | $84,975,031 | 1.62% | 17,377,307 | Shares | 2026-08-14 | |
| Mega GOLDMAN SACHS GROUP INC Holding company | $82,143,093 | 1.57% | 16,798,179 | Shares | 2026-08-14 | |
| Large Elliott Investment Management L.P. Registered adviser | $76,415,218 | 1.46% | 15,626,834 | Shares | 2026-08-14 | |
| Large VOLORIDGE INVESTMENT MANAGEMENT, LLC Registered adviser | $72,347,950 | 1.38% | 14,795,082 | Shares | 2026-08-14 | |
| Large RENAISSANCE TECHNOLOGIES LLC Registered adviser | $71,037,778 | 1.36% | 14,527,153 | Shares | 2026-08-13 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $69,900,105 | 1.34% | 14,294,500 | Put | 2026-08-14 | |
| Large Point72 Asset Management, L.P. Registered adviser | $69,305,040 | 1.32% | 14,172,810 | Shares | 2026-08-14 | |
| Large GENDELL JEFFREY L | $67,743,775 | 1.29% | 13,853,533 | Shares | 2026-08-14 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $66,508,401 | 1.27% | 13,600,900 | Call | 2026-08-14 | |
| Large KEYBANK NATIONAL ASSOCIATION/OH Bank | $63,766,313 | 1.22% | 13,040,146 | Shares | 2026-07-28 | |
| Mega FIL Ltd Non-US | $56,740,244 | 1.08% | 11,603,322 | Shares | 2026-08-13 | |
| Mega BANK OF AMERICA CORP /DE/ Bank | $54,318,778 | 1.04% | 11,108,135 | Shares | 2026-08-14 | |
| Large Castle Hook Partners LP Registered adviser | $51,200,231 | 0.98% | 10,470,395 | Shares | 2026-08-14 | |
| Mega CHARLES SCHWAB INVESTMENT MANAGEMENT INC Registered adviser | $49,204,475 | 0.94% | 10,062,265 | Shares | 2026-08-14 | |
| Large MACKENZIE FINANCIAL CORP Registered adviser | $47,639,387 | 0.91% | 9,742,206 | Shares | 2026-08-13 | |
| Large HRT FINANCIAL LP | $46,562,804 | 0.89% | 9,522,046 | Shares | 2026-08-14 | |
| Mega NORTHERN TRUST CORP Bank | $43,820,340 | 0.84% | 8,961,215 | Shares | 2026-08-13 | |
| Mid Canoe Financial LP | $42,457,914 | 0.81% | 8,682,600 | Shares | 2026-07-16 | |
| Mid CWA Asset Management Group, LLC Registered adviser | $41,725,905 | 0.80% | 7,962,959 | Shares | 2026-10-19 | |
| Large Bridgewater Associates, LP Registered adviser | $38,938,077 | 0.74% | 7,962,797 | Shares | 2026-08-14 | |
| Mega SUSQUEHANNA INTERNATIONAL GROUP, LLP | $38,400,773 | 0.73% | 7,852,919 | Shares | 2026-08-14 | |
| Mid Ninepoint Partners LP | $34,230,000 | 0.65% | 7,000,000 | Shares | 2026-08-11 | |
| Mid ION Fund Management Ltd Exempt adviser | $33,007,500 | 0.63% | 6,750,000 | Shares | 2026-08-14 | |
| Large Squarepoint Ops LLC Registered adviser | $32,962,849 | 0.63% | 6,740,869 | Shares | 2026-08-14 | |
| Mega VANGUARD FIDUCIARY TRUST CO | $32,613,038 | 0.62% | 6,669,333 | Shares | 2026-08-13 | |
| Large Balyasny Asset Management L.P. Registered adviser | $31,785,000 | 0.61% | 6,500,000 | Put | 2026-08-14 | |
| Mega JPMORGAN CHASE & CO Bank | $28,605,450 | 0.55% | 5,849,786 | Shares | 2026-08-12 | |
| Mid Caledonia (Private) Investments Pty Ltd Registered adviser | $27,298,884 | 0.52% | 5,582,594 | Shares | 2026-08-14 | |
| Mega JANE STREET GROUP, LLC | $27,006,003 | 0.52% | 5,522,700 | Call | 2026-08-14 | |
| Mega Bank of New York Mellon Corp Bank | $23,430,303 | 0.45% | 4,791,474 | Shares | 2026-08-06 | |
| Large CIBC WORLD MARKET INC. | $23,217,054 | 0.44% | 4,747,864 | Shares | 2026-08-13 | |
| Mid Electron Capital Partners, LLC Registered adviser | $22,749,184 | 0.43% | 4,652,185 | Shares | 2026-08-14 | |
| Small Solus Alternative Asset Management LP Registered adviser | $21,858,300 | 0.42% | 4,470,000 | Shares | 2026-08-14 | |
| Mid TIG Advisors, LLC Registered adviser | $19,471,583 | 0.37% | 3,981,919 | Shares | 2026-08-14 | |
| Large Balyasny Asset Management L.P. Registered adviser | $18,416,512 | 0.35% | 3,766,158 | Shares | 2026-08-14 | |
| Mid Penn Capital Management Company, LLC Registered adviser | $17,440,889 | 0.33% | 3,566,644 | Shares | 2026-07-30 | |
| Mega FMR LLC Holding company | $17,438,344 | 0.33% | 3,566,124 | Shares | 2026-08-13 | |
| Large Parallax Volatility Advisers, L.P. Registered adviser | $16,915,977 | 0.32% | 3,459,300 | Call | 2026-08-14 | |
| Large Man Group plc | $16,859,394 | 0.32% | 3,447,729 | Shares | 2026-08-14 | |
| Mega JANE STREET GROUP, LLC | $16,384,923 | 0.31% | 3,350,700 | Put | 2026-08-14 | |
| Micro Lancaster Investment Management | $15,618,946 | 0.30% | 2,980,715 | Shares | 2026-10-19 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $15,022,569 | 0.29% | 3,072,100 | Call | 2026-09-02 | |
| Mid Madison Asset Management, LLC Registered adviser | $14,816,700 | 0.28% | 3,030,000 | Shares | 2026-08-10 | |
| Small Arvin Capital Management LP Registered adviser | $14,586,043 | 0.28% | 2,982,831 | Shares | 2026-08-13 | |
| Large Connor, Clark & Lunn Investment Management Ltd. Registered adviser | $13,765,628 | 0.26% | 2,815,057 | Shares | 2026-08-13 | |
| Large Rokos Capital Management LLP Registered adviser | $12,809,271 | 0.24% | 2,619,483 | Shares | 2026-08-14 | |
| Large PANAGORA ASSET MANAGEMENT INC Registered adviser | $12,756,215 | 0.24% | 2,608,633 | Shares | 2026-08-06 | |
| Mega AQR CAPITAL MANAGEMENT LLC Registered adviser | $12,436,464 | 0.24% | 2,543,245 | Shares | 2026-08-14 | |
| Large Walleye Trading LLC | $12,375,123 | 0.24% | 2,530,700 | Call | 2026-08-03 | |
| Large NEW YORK STATE COMMON RETIREMENT FUND | $12,363,303 | 0.24% | 2,528,283 | Shares | 2026-07-29 | |
| Mega PRIMECAP MANAGEMENT CO/CA/ Registered adviser | $12,192,188 | 0.23% | 2,493,290 | Shares | 2026-08-14 | |
| Mega CITADEL ADVISORS LLC Registered adviser | $11,742,357 | 0.22% | 2,401,300 | Put | 2026-09-02 | |
| Large Public Sector Pension Investment Board Non-US | $11,621,422 | 0.22% | 2,376,569 | Shares | 2026-08-13 | |
| Mega Nuveen, LLC | $11,390,251 | 0.22% | 2,329,295 | Shares | 2026-08-11 | |
| Large Walleye Trading LLC | $10,731,105 | 0.21% | 2,194,500 | Put | 2026-08-03 | |
| Mid FIDEURAM - INTESA SANPAOLO PRIVATE BANKING S.P.A. | $10,283,024 | 0.20% | 2,102,868 | Shares | 2026-07-23 | |
| Mid Trek Financial, LLC Registered adviser | $10,219,840 | 0.20% | 2,089,947 | Shares | 2026-08-13 | |
| Large TUDOR INVESTMENT CORP ET AL Registered adviser | $10,201,029 | 0.19% | 2,086,100 | Put | 2026-08-14 | |
| Mid MASTERS CAPITAL MANAGEMENT LLC Registered adviser | $9,780,000 | 0.19% | 2,000,000 | Shares | 2026-08-14 | |
| Large CAPITAL FUND MANAGEMENT S.A. | $9,759,657 | 0.19% | 1,995,840 | Shares | 2026-08-13 | |
| Large PEAK6 LLC Broker-dealer | $9,679,266 | 0.19% | 1,979,400 | Call | 2026-08-13 | |
| Mega Swiss National Bank | $9,501,905 | 0.18% | 1,943,130 | Shares | 2026-08-11 | |
| Mega CANADA PENSION PLAN INVESTMENT BOARD Non-US | $9,441,123 | 0.18% | 1,930,700 | Shares | 2026-08-14 | |
| Small Counterpoint Mutual Funds LLC Registered adviser | $9,112,360 | 0.17% | 1,739,000 | Shares | 2026-10-16 | |
| Mid CASTLEARK MANAGEMENT LLC Registered adviser | $8,866,352 | 0.17% | 1,813,160 | Shares | 2026-08-14 | |
| Mega Russell Investments Group, Ltd. | $8,823,111 | 0.17% | 1,804,318 | Shares | 2026-08-06 | |
| Mega NEUBERGER BERMAN GROUP LLC Holding company | $8,729,685 | 0.17% | 1,785,212 | Shares | 2026-08-13 | |
| Mega Invesco Ltd. Adviser | $8,448,605 | 0.16% | 1,727,732 | Shares | 2026-08-14 | |
| Mid CLOUGH CAPITAL PARTNERS L P Registered adviser | $8,316,980 | 0.16% | 1,700,814 | Shares | 2026-08-14 | |
| Mega Creative Planning Registered adviser | $7,984,856 | 0.15% | 1,632,895 | Shares | 2026-08-13 | |
| Mid Forvis Mazars Wealth Advisors, LLC Registered adviser | $7,874,132 | 0.15% | 1,502,697 | Shares | 2026-10-13 | |
| Mid Flat Footed LLC Registered adviser | $7,842,474 | 0.15% | 1,603,778 | Shares | 2026-08-14 | |
| Mid ALGERT GLOBAL LLC Registered adviser | $6,982,382 | 0.13% | 1,427,890 | Shares | 2026-08-13 | |
| Mid Fideuram Asset Management (Ireland) dac | $6,851,227 | 0.13% | 1,401,069 | Shares | 2026-07-23 | |
| Mega MANUFACTURERS LIFE INSURANCE COMPANY, THE | $6,740,307 | 0.13% | 1,378,386 | Shares | 2026-09-09 | |
| Mega WELLS FARGO & COMPANY/MN Bank | $6,600,595 | 0.13% | 1,349,815 | Shares | 2026-08-14 | |
| Mega RHUMBLINE ADVISERS Registered adviser | $6,315,239 | 0.12% | 1,291,460 | Shares | 2026-08-12 | |
| Mega GOLDMAN SACHS GROUP INC Holding company | $6,268,002 | 0.12% | 1,281,800 | Put | 2026-08-14 | |
| Large Schonfeld Strategic Advisors LLC Registered adviser | $6,217,522 | 0.12% | 1,271,477 | Shares | 2026-08-14 | |
| Mega PRICE T ROWE ASSOCIATES INC /MD/ Registered adviser | $6,215,439 | 0.12% | 1,271,051 | Shares | 2026-08-14 | |
| Large NOMURA HOLDINGS INC | $5,680,258 | 0.11% | 1,161,607 | Shares | 2026-08-14 | |
| Large LMR Partners LLP Exempt adviser | $5,648,439 | 0.11% | 1,155,100 | Put | 2026-08-14 | |
| Large Gotham Asset Management, LLC Registered adviser | $5,598,834 | 0.11% | 1,144,956 | Shares | 2026-08-14 | |
| Mid Hosking Partners LLP Registered adviser | $5,584,785 | 0.11% | 1,142,083 | Shares | 2026-08-03 | |
| Mid Y-Intercept (Hong Kong) Ltd Exempt adviser | $5,489,670 | 0.10% | 1,047,647 | Shares | 2026-10-16 |
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