SEADRILL Ltd
SDRL- Exchange
- NYSE
- Industry
- Drilling Oil & Gas Wells
- SEC CIK
- 0001737706
No open-market purchases or sales by SEADRILL Ltd insiders were filed in the last 90 days; 238 institutions reported holding it in 13F filings for Q2 2026, worth $2.31B in total; Elliott Investment Management is the only superinvestor holding it.
Holders of 5% or more of SDRL
Holders whose latest Schedule 13D or 13G filing reports 5% or more of SEADRILL Ltd, largest stake first. The change is against the holder's previous filing.
| Holder | Latest form | Stake | Change | First filed | Latest filing | Filing |
|---|---|---|---|---|---|---|
| Canyon Capital Advisors LLC | 13G/A | 7.57%4.90M shares | – | Feb 14, 20251 filing | Feb 14, 2025 | SEC |
| BlackRock, Inc. | 13G/A | 7.30%4.54M shares | – | Jul 16, 20251 filing | Jul 16, 2025 | SEC |
| Elliott Investment Management L.P.SuperinvestorElliott Investment Management | 13D/A | 6.80%4.21M shares | – | Dec 18, 20251 filing | Dec 18, 2025 | SEC |
| Dimensional Fund Advisors LP | 13G | 5.40%3.46M shares | New | Jan 23, 20251 filing | Jan 23, 2025 | SEC |
| Adage Capital Management, L.P. | 13G/A | 5.04%3.14M shares | −1.72 ppfrom 6.76% | Feb 12, 20253 filings | Aug 12, 2025 | SEC |
Stakes are as of each holder's latest filing. Holders whose last filing was in the old format (before December 18, 2024) have no stake on record and are not listed, and after an acquisition or delisting holders usually stop filing.
13D and 13G filings
10 Schedule 13D and 13G filings on SEADRILL Ltd, newest first, including old-format filings without a stake.
| Filed (ET) | Filer | Form | Stake | Change | Event date | Filing |
|---|---|---|---|---|---|---|
| Mar 26, 20261:27 PM ET | Vanguard Group Inc | 13G/A | 0.00%0 shares | −6.06 ppfrom 6.06%Below 5% | Mar 13, 2026 | SEC |
| Dec 18, 20257:19 PM ET | Elliott Investment Management L.P.SuperinvestorElliott Investment Management | 13D/A | 6.80%4.21M shares | – | Dec 16, 2025 | SEC |
| Nov 12, 20259:33 AM ET | Wellington Management Group LLPand 2 others | 13G/A | 1.00%631.6K shares | –Below 5% | Sep 30, 2025 | SEC |
| Aug 12, 20259:04 AM ET | Adage Capital Management, L.P.and 2 others | 13G/A | 5.04%3.14M shares | −1.72 ppfrom 6.76% | Jun 30, 2025 | SEC |
| Jul 29, 20252:31 PM ET | Vanguard Group Inc | 13G | 6.06%3.78M shares | New | Jun 30, 2025 | SEC |
| Jul 16, 20257:02 PM ET | BlackRock, Inc. | 13G/A | 7.30%4.54M shares | – | Jun 30, 2025 | SEC |
| May 12, 20259:08 AM ET | Adage Capital Management, L.P.and 2 others | 13G/A | 6.76%4.20M shares | +1.45 ppfrom 5.31% | Mar 31, 2025 | SEC |
| Feb 14, 20255:19 PM ET | Canyon Capital Advisors LLCand 2 others | 13G/A | 7.57%4.90M shares | – | Dec 31, 2024 | SEC |
| Feb 12, 20259:31 AM ET | Adage Capital Management, L.P.and 2 others | 13G | 5.31%3.43M shares | New | Dec 31, 2024 | SEC |
| Jan 23, 20253:55 PM ET | Dimensional Fund Advisors LP | 13G | 5.40%3.46M shares | New | Dec 31, 2024 | SEC |
Form 144: proposed insider sales
Notices from officers, directors and other affiliates planning to sell SEADRILL Ltd shares.
No Form 144 notices for SEADRILL Ltd are on file.