Comparable stake leader
BlackRock, Inc.
SEC ownership of SEADRILL Ltd
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001737706.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
31 Mar 2026
- Public ticker
- SDRL on NYSE
- Parsed ownership sources
-
13F, 13D/G, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
BlackRock, Inc.
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
50 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
BlackRock, Inc.
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
31 Mar 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001737706
- Issuer location
- Hamilton
Ownership snapshot
CIK-linked ownership evidence from parsed SEC filings.
3 signals
Issuer
Names, identifiers, and filing context for this profile.
2 identity fields
Ownership snapshot
Top shareholders of SEADRILL Ltd (13F + 13D/G + 3/4/5)
Grouped by holder across the latest SEC ownership disclosures. Start with comparable ownership when available, then verify the linked 13F, 13D/G, or 3/4/5 evidence.
Comparable stake leader
BlackRock, Inc.
Disclosed value leader
BlackRock, Inc.
Comparable rows
50/50
Latest evidence
31 Mar 2026
13F
13D/G
3/4/5
Lead comparable stake: 7.3%
13D/G row: BlackRock, Inc.
Showing 1-8 of 50 holder rows.
Quick read
BlackRock, Inc. leads the comparable SEC ownership view at 7.3%.
50 of 50 rows have a safely comparable ownership percentage. Use this as a filing-backed starting point, then open the detailed table for source links, reporting role, position value, share count, and filing date.
Open SEC evidence
Opens BlackRock, Inc.'s linked filing trail.
Comparable ownership
Top 5
BlackRock, Inc.
7.3%
Elliott Investment Management L.P.
6.8%
DIMENSIONAL FUND ADVISORS LP
5.4%
VANGUARD CAPITAL MANAGEMENT LLC
5%
Adage Capital Management, L.P.
3.9%
Ownership % is shown only when SEC disclosures are safely comparable across share classes.
Detailed SEC evidence table Showing 1-8 of 50 holder rows
| Holder | Evidence | Ownership % | Position | 12M Net Δ | As of |
|---|---|---|---|---|---|
| BlackRock, Inc. |
13F
13D/G
Company
|
7.3%
from 13D/G
|
$225,146,365
4,948,272 shares
|
— | 31 Mar 2026 |
| Elliott Investment Management L.P. |
13F
13D/G
Company
|
6.8%
from 13D/G
|
$214,718,368
4,719,085 shares
|
— | 31 Mar 2026 |
| DIMENSIONAL FUND ADVISORS LP |
13F
13D/G
Company
|
5.4%
from 13D/G
|
$161,671,142
3,553,281 shares
|
— | 31 Mar 2026 |
| VANGUARD CAPITAL MANAGEMENT LLC |
13D/G
13F
Vanguard Capital Management · Company
|
5%
|
$143,339,287
3,150,314 shares
|
$0 | 31 Mar 2026 |
| Adage Capital Management, L.P. |
13D/G
|
3.9%
|
$112,086,338
2,463,436 shares
|
-$30,705,675 | 31 Mar 2026 |
| CANYON CAPITAL ADVISORS LLC |
13D/G
13F
Company
|
2%
|
$58,256,336
1,261,779 shares
|
-$167,870,888 | 31 Mar 2026 |
| WELLINGTON MANAGEMENT GROUP LLP |
13F
13D/G
Company
|
1%
from 13D/G
|
$45,115,480
991,549 shares
|
— | 31 Mar 2026 |
| Simon Johnson |
3/4/5
President & CEO
|
0.22%
|
$4,746,704
137,188 shares
|
— | 25 Sep 2025 |
How to read this table
Rows are grouped by holder and ranked first by SEC-reported ownership % when it is safely comparable, then by disclosed holdings value. — indicates unavailable or non-comparable values; "mixed-class rows" means the latest filing spans non-comparable classes.
Forms 3/4/5 flow
Insider trading overview
Net insider flow leans to selling over the last 12 months. Net value: -$5,443,142.
Buys
$0
Insiders: 0
Sells
$5,443,142
Insiders: 4
Net
-$5,443,142
Shares: -121,656
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 0
Shares: 121,656
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 0 | 121,656 | $0 | $5,443,142 | -$5,443,142 |
| 3-6 | 0 | 0 | $0 | $0 | $0 |
| 6-9 | 0 | 0 | $0 | $0 | $0 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-15 of 15 reporting-owner rows connected to SEADRILL Ltd. Open a relationship link for the CIK-to-CIK filing trail.
Rows
15
Largest Forms 3/4/5 holder
Simon Johnson
Net 12M change
-$5,443,142
Latest report
11 Jun 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Simon Johnson | President & CEO | $4,746,704 | Mixed | 25 Sep 2025 | ||
| Samir H. Ali | President & CEO | $2,036,762 | Mixed | 25 Apr 2026 | ||
| Grant R. Creed | Executive Vice President & CFO | $1,036,034 | -$1,529,423 | -60% | Filing P/S | 11 Jun 2026 |
| Harry Quarls | Director | $740,239 | Mixed | 03 Jun 2026 | ||
| Julie J. Robertson | Director | $413,413 | Mixed | 03 Jun 2026 | ||
| Ana Zambelli | Director | $330,739 | Mixed | 03 Jun 2026 | ||
| Jan Kjaervik | Director | $330,739 | Mixed | 03 Jun 2026 | ||
| Jean Cahuzac | Director | $330,739 | Mixed | 03 Jun 2026 | ||
| Andrew Eliot Schultz | Director | $330,739 | Mixed | 03 Jun 2026 | ||
| Jonathan Swinney | Director | $330,739 | Mixed | 03 Jun 2026 | ||
| Mark A. Mccollum | Director | $330,739 | Mixed | 03 Jun 2026 | ||
| Paul Norman Smith | Director | $330,739 | Mixed | 03 Jun 2026 | ||
| Torsten Sauer-Petersen | EVP, Chief Technology & Sustainability Officer | $0 | -$1,904,485 | -100% | Mixed | 10 Jun 2026 |
| Todd D. Strickler | SVP & General Counsel | $0 | -$1,403,668 | -100% | Mixed | 10 Jun 2026 |
| Marcel Wieggers | Senior VP, Operations | $0 | -$605,566 | -100% | Mixed | 11 Jun 2026 |
Recent insider transactions for SEADRILL Ltd
Showing up to 300 recent insider transactions from the last 12 months.
| Insider | Symbol | Class | Transaction | % | SEC-reported value | SEC-reported price | Shares | Shares owned | Date | Ownership |
|---|---|---|---|---|---|---|---|---|---|---|
| Grant R. Creed | SDRL | Common Shares | Sale | -59.7% | $1,529,423 | $44.79 | -34,147 | 23,064 | 11 Jun 2026 | Direct |
| Marcel Wieggers | SDRL | Common Shares | Sale | -100% | $605,566 | $44.94 | -13,475 | 0 | 11 Jun 2026 | Direct |
| Torsten Sauer-Petersen | SDRL | Common Shares | Sale | -100% | $1,904,485 | $44.68 | -42,625 | 0 | 10 Jun 2026 | Direct |
| Todd D. Strickler | SDRL | Common Shares | Sale | -100% | $1,403,668 | $44.69 | -31,409 | 0 | 10 Jun 2026 | Direct |
| Mark A. Mccollum | SDRL | Restricted Stock Units | Award | 2,618 | 2,618 | 03 Jun 2026 | Direct | |||
| Jean Cahuzac | SDRL | Restricted Stock Units | Award | 2,618 | 2,618 | 03 Jun 2026 | Direct | |||
| Andrew Eliot Schultz | SDRL | Restricted Stock Units | Award | 2,618 | 2,618 | 03 Jun 2026 | Direct | |||
| Jonathan Swinney | SDRL | Restricted Stock Units | Award | 2,618 | 2,618 | 03 Jun 2026 | Direct | |||
| Harry Quarls | SDRL | Restricted Stock Units | Award | 2,618 | 2,618 | 03 Jun 2026 | Direct | |||
| Paul Norman Smith | SDRL | Restricted Stock Units | Award | 2,618 | 2,618 | 03 Jun 2026 | Direct | |||
| Jan Kjaervik | SDRL | Restricted Stock Units | Award | 2,618 | 2,618 | 03 Jun 2026 | Direct | |||
| Julie J. Robertson | SDRL | Restricted Stock Units | Award | 3,272 | 3,272 | 03 Jun 2026 | Direct | |||
| Ana Zambelli | SDRL | Restricted Stock Units | Award | 2,618 | 2,618 | 03 Jun 2026 | Direct | |||
| Julie J. Robertson | SDRL | Common Shares | Options Exercise | 201.8% | 6,075 | 9,086 | 14 May 2026 | Direct | ||
| Julie J. Robertson | SDRL | Restricted Stock Units | Options Exercise | -100% | -6,075 | 0 | 14 May 2026 | Direct | ||
| Paul Norman Smith | SDRL | Common Shares | Options Exercise | 201.7% | 4,860 | 7,269 | 14 May 2026 | Direct | ||
| Paul Norman Smith | SDRL | Restricted Stock Units | Options Exercise | -100% | -4,860 | 0 | 14 May 2026 | Direct | ||
| Harry Quarls | SDRL | Common Shares | Options Exercise | 42.6% | 4,860 | 16,269 | 14 May 2026 | Direct | ||
| Harry Quarls | SDRL | Restricted Stock Units | Options Exercise | -100% | -4,860 | 0 | 14 May 2026 | Direct | ||
| Jean Cahuzac | SDRL | Common Shares | Options Exercise | 201.7% | 4,860 | 7,269 | 14 May 2026 | Direct | ||
| Jean Cahuzac | SDRL | Restricted Stock Units | Options Exercise | -100% | -4,860 | 0 | 14 May 2026 | Direct | ||
| Jonathan Swinney | SDRL | Common Shares | Options Exercise | 201.7% | 4,860 | 7,269 | 14 May 2026 | Direct | ||
| Jonathan Swinney | SDRL | Restricted Stock Units | Options Exercise | -100% | -4,860 | 0 | 14 May 2026 | Direct | ||
| Jan Kjaervik | SDRL | Common Shares | Options Exercise | 201.7% | 4,860 | 7,269 | 14 May 2026 | Direct | ||
| Jan Kjaervik | SDRL | Restricted Stock Units | Options Exercise | -100% | -4,860 | 0 | 14 May 2026 | Direct | ||
| Andrew Eliot Schultz | SDRL | Common Shares | Options Exercise | 201.7% | 4,860 | 7,269 | 14 May 2026 | Direct | ||
| Andrew Eliot Schultz | SDRL | Restricted Stock Units | Options Exercise | -100% | -4,860 | 0 | 14 May 2026 | Direct | ||
| Ana Zambelli | SDRL | Common Shares | Options Exercise | 201.7% | 4,860 | 7,269 | 14 May 2026 | Direct | ||
| Ana Zambelli | SDRL | Restricted Stock Units | Options Exercise | -100% | -4,860 | 0 | 14 May 2026 | Direct | ||
| Mark A. Mccollum | SDRL | Common Shares | Options Exercise | 201.7% | 4,860 | 7,269 | 14 May 2026 | Direct | ||
| Mark A. Mccollum | SDRL | Restricted Stock Units | Options Exercise | -100% | -4,860 | 0 | 14 May 2026 | Direct | ||
| Grant R. Creed | SDRL | Common Shares | Tax liability | -7.76% | -4,816 | 57,211 | 27 Apr 2026 | Direct | ||
| Todd D. Strickler | SDRL | Common Shares | Tax liability | -9.06% | -3,130 | 31,409 | 27 Apr 2026 | Direct | ||
| Samir H. Ali | SDRL | Common Shares | Tax liability | -6.54% | -3,130 | 44,764 | 27 Apr 2026 | Direct | ||
| Marcel Wieggers | SDRL | Common Shares | Tax liability | -12.6% | -1,937 | 13,475 | 27 Apr 2026 | Direct | ||
| Torsten Sauer-Petersen | SDRL | Common Shares | Tax liability | -6.84% | -3,130 | 42,625 | 27 Apr 2026 | Direct | ||
| Grant R. Creed | SDRL | Common Shares | Options Exercise | 24.6% | 12,238 | 62,027 | 25 Apr 2026 | Direct | ||
| Grant R. Creed | SDRL | Restricted Stock Units | Options Exercise | -33.3% | -12,238 | 24,476 | 25 Apr 2026 | Direct | ||
| Todd D. Strickler | SDRL | Common Shares | Options Exercise | 29.9% | 7,954 | 34,539 | 25 Apr 2026 | Direct | ||
| Todd D. Strickler | SDRL | Restricted Stock Units | Options Exercise | -33.3% | -7,954 | 15,910 | 25 Apr 2026 | Direct | ||
| Samir H. Ali | SDRL | Common Shares | Options Exercise | 19.9% | 7,954 | 47,894 | 25 Apr 2026 | Direct | ||
| Samir H. Ali | SDRL | Restricted Stock Units | Options Exercise | -33.3% | -7,954 | 15,910 | 25 Apr 2026 | Direct | ||
| Marcel Wieggers | SDRL | Common Shares | Options Exercise | 106.6% | 7,954 | 15,412 | 25 Apr 2026 | Direct | ||
| Marcel Wieggers | SDRL | Restricted Stock Units | Options Exercise | -33.3% | -7,954 | 15,910 | 25 Apr 2026 | Direct | ||
| Torsten Sauer-Petersen | SDRL | Common Shares | Options Exercise | 21% | 7,954 | 45,755 | 25 Apr 2026 | Direct | ||
| Torsten Sauer-Petersen | SDRL | Restricted Stock Units | Options Exercise | -33.3% | -7,954 | 15,910 | 25 Apr 2026 | Direct | ||
| Samir H. Ali | SDRL | Common Shares | Tax liability | -3.71% | -1,540 | 39,940 | 17 Apr 2026 | Direct | ||
| Samir H. Ali | SDRL | Common Shares | Options Exercise | 10.4% | 3,913 | 41,480 | 17 Apr 2026 | Direct | ||
| Samir H. Ali | SDRL | Restricted Stock Units | Options Exercise | -50% | -3,913 | 3,913 | 17 Apr 2026 | Direct | ||
| Torsten Sauer-Petersen | SDRL | Common Shares | Tax liability | -3.91% | -1,540 | 37,801 | 17 Apr 2026 | Direct |
* marks a reported price that did not pass the local price check.