TRANSOCEAN LTD (RIG) Institutional Ownership Changes & 13F Activity
TRANSOCEAN LTD (RIG). Institutional ownership data tracks hedge funds, asset managers, and other institutional investors based on recent SEC Form 13F filings (Q1 2026). This page analyzes institutional buying and selling activity, new holdings, and sold-out positions in the latest reporting period. Notable filers include Slate Path Capital Lp, D. E. Shaw & Co., Inc., Two Sigma Investments, Lp, Voloridge Investment Management, Llc, and Marshall Wace, Llp.
| Institution | Type | Change in shares | Change Position % | Shares | Reported stock balance | Portfolio quarter | Filing date |
|---|---|---|---|---|---|---|---|
| Neuberger Berman Group Llc | Buy | +346,559 | +28.7% | 1,555,152 | $10.31M | Q1 2026 | Oct 27, 2026 |
| M&T Bank Corp | Buy | +36,118 | +1071.4% | 39,489 | $262.31K | Q1 2026 | Sep 04, 2026 |
| Ensign Peak Advisors, Inc | Sell | -3,258,677 | -95.5% | 154,463 | $1.02M | Q1 2026 | Aug 18, 2026 |
| Algert Global Llc | Sell | -1,261,780 | -47.6% | 1,387,490 | $9.20M | Q1 2026 | Aug 11, 2026 |
| Brighton Jones Llc | Buy | +29,418 | — | 29,418 | $195.04K | Q1 2026 | Aug 07, 2026 |
| Wells Fargo & Company/Mn | Sell | -618,182 | -31.5% | 1,341,392 | $8.89M | Q1 2026 | Jul 08, 2026 |
| Kentucky Retirement Systems | Buy | +27,985 | — | 27,985 | $1.38M | Q1 2026 | May 19, 2026 |
| Silicon Valley Capital Partners | Buy | +77 | — | 77 | $511.00 | Q1 2026 | May 19, 2026 |
| Western Wealth Management, Llc | Buy | +26 | — | 26 | $172.00 | Q1 2026 | May 19, 2026 |
| Bank Of America Corp | Sell | -6,902,038 | -44.5% | 8,602,323 | $57.03M | Q1 2026 | May 18, 2026 |
| California State Teachers Retirement System | Buy | +220,119 | +23.5% | 1,157,178 | $7.67M | Q1 2026 | May 18, 2026 |
| Amundi | Buy | +112,628 | +406.1% | 140,359 | $930.58K | Q1 2026 | May 18, 2026 |
| Arkadios Wealth Advisors | Sell | -102,937 | -15.8% | 549,081 | $3.64M | Q1 2026 | May 18, 2026 |
| Slate Path Capital Lp | Buy | +30,062,100 | — | 30,062,100 | $199.31M | Q1 2026 | May 15, 2026 |
| D. E. Shaw & Co., Inc. | Buy | +22,837,568 | +139.0% | 39,262,599 | $260.31M | Q1 2026 | May 15, 2026 |
| Two Sigma Investments, Lp | Buy | +22,227,817 | +91.7% | 46,463,736 | $308.05M | Q1 2026 | May 15, 2026 |
| Voloridge Investment Management, Llc | Buy | +16,542,717 | — | 16,542,717 | $109.68M | Q1 2026 | May 15, 2026 |
| Marshall Wace, Llp | Buy | +16,005,764 | +42120.4% | 16,043,764 | $106.37M | Q1 2026 | May 15, 2026 |
| Elliott Investment Management L.P. | Buy | +15,626,834 | — | 15,626,834 | $103.61M | Q1 2026 | May 15, 2026 |
| Fil Ltd | Buy | +11,221,566 | +58296.9% | 11,240,815 | $74.53M | Q1 2026 | May 15, 2026 |
| Barclays Plc | Sell | -8,147,446 | -75.4% | 2,655,218 | $17.60M | Q1 2026 | May 15, 2026 |
| Pilgrim Global Advisors Llc | Sell | -7,846,226 | -24.7% | 23,913,120 | $158.54M | Q1 2026 | May 15, 2026 |
| Driehaus Capital Management Llc | Buy | +7,210,869 | — | 7,210,869 | $47.81M | Q1 2026 | May 15, 2026 |
| Tudor Investment Corp Et Al | Buy | +5,102,324 | +2897.5% | 5,278,418 | $35.00M | Q1 2026 | May 15, 2026 |
| American Century Companies Inc | Sell | -4,729,506 | -17.2% | 22,759,181 | $150.89M | Q1 2026 | May 15, 2026 |
| Empyrean Capital Partners, Lp | Buy | +4,570,463 | — | 4,570,463 | $30.30M | Q1 2026 | May 15, 2026 |
| Van Eck Associates Corp | Buy | +4,313,060 | +25.6% | 21,137,129 | $140.14M | Q1 2026 | May 15, 2026 |
| Citadel Advisors Llc | Sell | -3,490,818 | -49.8% | 3,514,711 | $23.30M | Q1 2026 | May 15, 2026 |
| Point72 Asset Management, L.P. | Buy | +3,449,571 | +176.3% | 5,406,425 | $35.84M | Q1 2026 | May 15, 2026 |
| Rokos Capital Management Llp | Buy | +3,169,572 | — | 3,169,572 | $21.03M | Q1 2026 | May 15, 2026 |
Frequently asked questions about RIG activity
Which institutional owners are buying RIG?
Institutional owners buying RIG include investors who have either initiated new positions or increased their existing holdings based on recent SEC 13F filings. The activity table above highlights which funds added shares in the latest reporting periods and how their positions changed over time.
What does "buy" mean in RIG activity?
"Buy" means an investor increased their reported position in RIG compared to the prior reporting period. This reflects growing exposure to TRANSOCEAN LTD (RIG) rather than necessarily a brand-new position (though new positions also appear as buys when prior quantity was zero).
Is institutional interest in RIG increasing?
Institutional interest in RIG can be assessed by comparing the number of tracked funds adding or increasing positions versus those trimming or exiting across the periods shown. A higher number of additions typically signals increasing participation among large filers, but it should be read alongside position sizes and the full table.
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