Seadrill Limited
Seadrill Limited (SDRL) Stock Ownership
Institutional vs insider vs public ownership from 13F and float data — top holders, activity, and insider trades below.
SEC 13F · FMP · SDRL · as of Sep 30, 2025
Ownership Breakdown
218
Institutional Holders
▲ 17 vs Q2
$1.94B
Total Inst. Value
▲ $225.15M vs Q2
62.53M
Shares Outstanding
freeFloat 91.81%
64.19M
13F Shares Held
▼ 1.27M vs Q2
Institutional ownership = 13F shares ÷ total outstanding. Insider % = 100 − free float. Public % = free float − institution %. Data: FMP /symbol-positions-summary + /shares-float + SEC EDGAR.
Top Institutional Holders
SDRL largest shareholders · institutional ownership
Q3 2025 · SEC 13F
Showing top 10 holders
| Holder | Shares | % Owned | Weight | Value | Reported | Change |
|---|---|---|---|---|---|---|
BLACKROCK, INC. drilling oil & gas wells | 4.90M | 7.91% | 7.91% | $148.10B | Nov 12, 2025 | ▼ 13.4K |
CANYON CAPITAL ADVISORS LLC drilling oil & gas wells | 4.23M | 6.82% | 6.82% | $127.74B | Nov 14, 2025 | ▼ 669.4K |
VANGUARD GROUP INC drilling oil & gas wells | 3.78M | 6.10% | 6.10% | $114.32B | Nov 7, 2025 | ▲ 9.2K |
ELLIOTT INVESTMENT MANAGEMENT L.P. drilling oil & gas wells | 3.70M | 5.97% | 5.97% | $111.89B | Nov 14, 2025 | — held |
DIMENSIONAL FUND ADVISORS LP drilling oil & gas wells | 3.19M | 5.15% | 5.15% | $96.43B | Nov 12, 2025 | ▼ 112.6K |
UBS GROUP AG drilling oil & gas wells | 3.11M | 5.02% | 5.02% | $94.01B | Nov 13, 2025 | ▼ 540.5K |
ADAGE CAPITAL PARTNERS GP, L.L.C. drilling oil & gas wells | 3.11M | 5.02% | 5.02% | $94.01B | Nov 14, 2025 | ▼ 26.5K |
SCHF (GPE), LLC drilling oil & gas wells | 2.29M | 3.69% | 3.69% | $69.20B | Nov 14, 2025 | — held |
PATIENT CAPITAL MANAGEMENT, LLC drilling oil & gas wells | 2.23M | 3.60% | 3.60% | $67.37B | Oct 30, 2025 | ▲ 387 |
GOEHRING & ROZENCWAJG ASSOCIATES, LLC drilling oil & gas wells | 1.70M | 2.73% | 2.73% | $51.21B | Nov 10, 2025 | ▲ 11.1K |
Data from SEC Form 13F filings. Ownership bar normalised to largest holder. Change flags: isNew / isSoldOut / changeInSharesNumber (FMP extract-analytics/holder).
Institutional Activity
Q3 2025 vs prior quarter
Q3 2025
21
Increased
+2.65M shares6
New Positions
first time holders18
Decreased
−5.26M shares0
Sold Out
fully exitedNet shares change (top 50)
2.61M
+2.65M / −5.26M
Net new holders
+9
6 new / 0 exited
Based on top 50 institutional holders by position size. Fields: isNew, isSoldOut, changeInSharesNumber (FMP extract-analytics/holder, limit=50).
Insider Buying vs Selling
SDRL insider trading · insider activity
Source: SEC Form 4
28
Buy transactions
29
Sell transactions
0.97
Buy/Sell ratio
$0M
Total disposed
Recent Insider Transactions
Showing 10 most recent · Common Stock only
| Name · Role | Date | Type | Shares | Price | Value | After Trans. | Filing |
|---|---|---|---|---|---|---|---|
MCCOLLUM MARK A director | Jun 3, 2026 | Award | 2,618 | — | — | 2.6K | Form 4 ↗ |
CAHUZAC JEAN director | Jun 3, 2026 | Award | 2,618 | — | — | 2.6K | Form 4 ↗ |
SCHULTZ ANDREW ELIOT director | Jun 3, 2026 | Award | 2,618 | — | — | 2.6K | Form 4 ↗ |
Swinney Jonathan director | Jun 3, 2026 | Award | 2,618 | — | — | 2.6K | Form 4 ↗ |
Quarls Harry director | Jun 3, 2026 | Award | 2,618 | — | — | 2.6K | Form 4 ↗ |
Smith Paul Norman director | Jun 3, 2026 | Award | 2,618 | — | — | 2.6K | Form 4 ↗ |
Kjaervik Jan director | Jun 3, 2026 | Award | 2,618 | — | — | 2.6K | Form 4 ↗ |
ROBERTSON JULIE J director | Jun 3, 2026 | Award | 3,272 | — | — | 3.3K | Form 4 ↗ |
Zambelli Ana director | Jun 3, 2026 | Award | 2,618 | — | — | 2.6K | Form 4 ↗ |
Source: /insider-trading/search (FMP stable). Buy/Sell direction: acquisitionOrDisposition A=Buy, D=Sell. RSU vesting (M-Exempt) excluded from sentiment bar. All data from SEC EDGAR public filings.
About institutional & insider ownership
Seadrill Limited (SDRL) is primarily owned by institutional investors, who hold approximately 100.0% of total shares outstanding. Company insiders own approximately 8.19%, while retail and public investors account for the remaining 0.00%.
The largest institutional shareholder of Seadrill Limited is BLACKROCK, INC., holding approximately 4.90 million shares — equal to 7.91% of outstanding shares — as of September 30, 2025.
A total of 218 institutional investors currently hold SDRL stock, with a combined institutional value of approximately $1.94 billion as of the most recent 13F filing period.
Frequently asked questions
SDRL ownershipSeadrill Limited (SDRL) is primarily owned by institutional investors, who hold approximately 100.0% of shares. The largest shareholder is BLACKROCK, INC. with a 7.91% stake. Company insiders hold 8.19%. Data sourced from SEC Form 13F as of September 30, 2025.