Transocean Ltd.
RIG- Exchange
- NYSE
- Industry
- Drilling Oil & Gas Wells
- SEC CIK
- 0001451505
In the last 90 days, Transocean Ltd. insiders filed 1 open-market purchase and 0 sales; 539 institutions reported holding it in 13F filings for Q2 2026, worth $4.88B in total; superinvestors Pabrai Investment Funds and Elliott Investment Management hold it.
Key figures
- Insider buysLast 90 days, $173.3K in total
- 1
- Insider sellsOpen market, last 90 days
- 0
- 13F holdersQ2 2026, +5 vs. previous quarter
- 539
- 13F valueReported value at the end of Q2 2026
- $4.88B
- Superinvestors holdingAt the end of Q2 2026
- 2
Price chart
Superinvestors holding RIG, Q2 2026
2 superinvestors report holding Transocean Ltd. on Form 13F. Percentages are the stock's share of each portfolio.
Pabrai Investment Funds
Mohnish Pabrai
30.5%
Transocean Ltd.'s share of the portfolio
- Shares
- 20,398,659
- Value
- $99.7M
Elliott Investment Management
Paul Singer
0.5%
Transocean Ltd.'s share of the portfolio
- Shares
- 15,626,834
- Value
- $76.4M
Latest insider trades
Open-market purchases and sales by Transocean Ltd. insiders from Form 4, newest first.
| Filed (ET) | Trade date | Filing delay | Insider | Transaction | Shares | Avg price | Value | Holding change | Flags |
|---|---|---|---|---|---|---|---|---|---|
| Jul 7, 2026 (view filing)4:22 PM ET | Jul 2 | 5 days | Deaton Chad CDirector | PPurchaseRegistered Shares | +35.0K | $4.95 | +$173.3K | +17.3%237.4K after | |
| May 22, 2026 (view filing) | May 21 | 1 day | Long Brady KEVP & Chief Legal Officer | SSaleRegistered Shares | −81.7K | $7.45 | −$609.0K | −6.8%1.13M after | |
| Mar 5, 2026 (view filing) | Mar 4 | 1 day | Mackenzie Roderick JamesEVP, Chief Commercial Officer | SSaleRegistered Shares | −78.4K | $6.36 | −$498.4K | −22.6%268.0K after | |
| Jan 28, 2026 (view filing) | Jan 26-27 | 2 days | Adamson KeelanPRESIDENT AND CEO | SSaleRegistered Shares | −81.5K | $5.00 | −$407.7K | −6.3%1.22M after | 2 lots10b5-1 |
| Jan 28, 2026 (view filing) | Jan 26-27 | 2 days | Long Brady KEVP & Chief Legal Officer | SSaleRegistered Shares | −115.4K | $5.00 | −$576.9K | −9.9%1.05M after | 2 lots10b5-1 |
| Dec 8, 2025 (view filing) | Dec 4-5 | 4 days | Adamson KeelanPRESIDENT AND CEO | SSaleRegistered Shares | −66.4K | $4.50 | −$299.0K | −4.8%1.30M after | 2 lots10b5-1 |
| Dec 5, 2025 (view filing) | Dec 3 | 2 days | Mackenzie Roderick JamesEVP, Chief Commercial Officer | SSaleRegistered Shares | −35.0K | $4.48 | −$156.8K | −14.2%212.1K after | |
| Dec 1, 2025 (view filing) | Nov 26 | 5 days | Vayda Robert ThaddeusEVP, Chief Financial Officer | SSaleRegistered Shares | −30.0K | $4.29 | −$128.7K | −11.3%235.2K after | |
| Dec 1, 2025 (view filing) | Nov 26 | 5 days | Thigpen Jeremy DExecutive Chair | SSaleRegistered Shares | −500.0K | $4.32 | −$2.16M | −19.0%2.14M after | |
| Nov 25, 2025 (view filing) | Nov 24 | 1 day | Perestroika (Cyprus) LtdDirector | PPurchaseRegistered Shares | +1.50M | $4.02 | +$6.03M | +1.6%96.6M after | Duplicate filing |
Top 10 13F holders, Q2 2026
The largest institutional positions in Transocean Ltd. at the end of Q2 2026; share changes are against Q1 2026.
| Institution | Shares | Value | % of portfolio | Change in shares | Action |
|---|---|---|---|---|---|
| BlackRock, Inc. | 91,927,924 | $449.5M | 0.01% | +3,556,676+4.0% | Added |
| Dimensional Fund Advisors LP | 51,009,878 | $249.5M | 0.05% | +2,190,302+4.5% | Added |
| Vanguard Portfolio Management LLC | 49,296,587 | $241.1M | 0.01% | +2,433,857+5.2% | Added |
| Two Sigma Investments, LP | 46,205,304 | $225.9M | 0.17% | −258,432−0.6% | Reduced |
| Vanguard Capital Management LLC | 45,200,594 | $221.0M | 0.00% | +928,171+2.1% | Added |
| D. E. Shaw & Co., Inc. | 41,793,600 | $204.4M | 0.13% | +2,531,001+6.4% | Added |
| Slate Path Capital LP | 37,266,300 | $182.2M | 2.52% | +7,204,200+24.0% | Added |
| Capital World Investors | 30,973,850 | $151.5M | 0.02% | +1,398,371+4.7% | Added |
| Geode Capital Management, LLC | 28,561,101 | $139.7M | 0.01% | +5,089,504+21.7% | Added |
| State Street Corp | 27,148,850 | $132.8M | 0.00% | +2,166,646+8.7% | Added |