Comparable stake leader
Drew Holdings Ltd
SEC ownership of Borr Drilling Ltd
Top holders, 13D/G large-stake signals, insider positions, and transaction flow tied to CIK 0001715497.
Disclosed value leader
Tor Olav Troim
Comparable rows
7/50
Latest evidence
15 Oct 2026
- Public ticker
- BORR on NYSE
- Parsed ownership sources
-
13D/G, 13F, and 3/4/5
Source: Parsed SEC ownership filingsUse: Compare filing families carefully
- Largest SEC-reported holder
-
Drew Holdings Ltd
Ranking: Comparable ownership first, then disclosed value
- Comparable ownership rows
-
7 of 50
Meaning: Rows with safely comparable ownership %
- Latest 13D/G holder
-
Drew Holdings Ltd
Source: Latest parsed Schedule 13D/G stake
- Latest parsed ownership date
-
15 Oct 2026
Freshness: Most recent filing date in this holder set
- Issuer CIK
- 0001715497
- Issuer location
- Hamilton, Bermuda
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 Borr Drilling 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
Drew Holdings Ltd
Disclosed value leader
Tor Olav Troim
Comparable rows
7/50
Latest evidence
15 Oct 2026
13D/G
13F
3/4/5
Lead comparable stake: 13%
43 rows are not safely comparable across share classes.
13D/G row: Drew Holdings Ltd
Showing 1-8 of 50 holder rows.
Quick read
Drew Holdings Ltd leads the comparable SEC ownership view at 13%.
7 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 Drew Holdings Ltd's linked filing trail.
Comparable ownership
Top 5
Drew Holdings Ltd
13%
Granular Capital Ltd
13%
cobas asset management, sgiic, s.a.
10%
AZVALOR ASSET MANAGEMENT SGIIC SA
10%
BlackRock, Inc.
4.4%
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 |
|---|---|---|---|---|---|
| Drew Holdings Ltd |
13D/G
|
13%
Reported 13D/G
· 13 Oct 2026
|
$156,058,273
40,117,808 shares
|
+$10,697,500 | 13 Oct 2026 |
| Granular Capital Ltd |
13D/G
|
13%
Reported 13D/G
· 25 Nov 2024
|
—
40,145,132 shares
|
$0 | 25 Nov 2024 |
| cobas asset management, sgiic, s.a. |
13D/G
|
10%
Reported 13D/G
· 13 Aug 2026
|
—
31,331,960 shares
|
$0 | 13 Aug 2026 |
| AZVALOR ASSET MANAGEMENT SGIIC SA |
13D/G
|
10%
Reported 13D/G
· 14 Nov 2025
|
$86,962,748
28,606,167 shares
|
$0 | 14 Nov 2025 |
| BlackRock, Inc. |
13F
13D/G
Company
|
4.4%
Reported 13D/G
· 30 Sep 2025
|
$60,653,712
14,686,129 shares
|
— | 30 Jun 2026 |
| ORBIS INVESTMENT MANAGEMENT LTD |
13D/G
|
3.9%
Reported 13D/G
· 31 Mar 2025
|
—
9,751,003 shares
|
$0 | 31 Mar 2025 |
| Capital International Investors |
13F
13D/G
Company
|
1.2%
Reported 13D/G
· 30 Jun 2025
|
$12,288,129
2,975,334 shares
|
— | 30 Jun 2026 |
| Tor Olav Troim |
3/4/5
Director
|
—
denominator unverified
|
$466,651,664
90,945,557 shares
|
+$67,484,445 | 15 Oct 2026 |
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 buying over the last 12 months. Net value: +$33,965,769.
Buys
$73,435,282
Insiders: 5
Sells
$39,469,514
Insiders: 6
Net
+$33,965,769
Shares: +8,725,062
Window
Last 12 months
4 rolling buckets
Buy value
Sell value
Shares: 17,108,500
Shares: 8,383,438
| Window (months) | Buy shares | Sell shares | Buy value | Sell value | Net value |
|---|---|---|---|---|---|
| 0-3 | 13,320,500 | 383,438 | $59,274,382 | $1,869,514 | +$57,404,869 |
| 3-6 | 2,538,000 | 8,000,000 | $7,444,600 | $37,600,000 | -$30,155,400 |
| 6-9 | 1,250,000 | 0 | $6,716,300 | $0 | +$6,716,300 |
| 9-12 | 0 | 0 | $0 | $0 | $0 |
Reporting owners
Insider holders from Forms 3/4/5
Showing 1-14 of 14 reporting-owner rows connected to Borr Drilling Ltd. Open a relationship link for the CIK-to-CIK filing trail.
Rows
14
Largest Forms 3/4/5 holder
Tor Olav Troim
Net 12M change
+$33,965,770
Latest report
15 Oct 2026
| Name | Relationship | Holdings Value | Past Year Net Change | Change % | Valuation | Report Date |
|---|---|---|---|---|---|---|
| Tor Olav Troim | Director | $466,651,664 | +$67,484,445 | +17% | Mixed | 15 Oct 2026 |
| Thiago Mordehachvili | Director | $430,943,846 | -$37,600,000 | -8% | Mixed | 30 Sep 2026 |
| Patrick Schorn | Director | $5,868,100 | +$1,992,000 | +51% | Filing P/S | 17 Jun 2026 |
| Bruno Morand de Oliveira | Chief Executive Officer | $4,467,443 | +$656,700 | +17% | Filing P/S | 18 Sep 2026 |
| Alexandra Kate Blankenship | Director | $1,950,166 | Mixed | 17 Mar 2026 | ||
| Jeffrey Currie | Director | $1,923,972 | +$1,829,138 | +1929% | Filing P/S | 13 Aug 2026 |
| Neil James Glass | Director | $1,595,718 | Mixed | 17 Mar 2026 | ||
| Magnus Vaaler | Chief Financial Officer | $1,186,581 | -$94,245 | -7.4% | Filing P/S | 03 Sep 2026 |
| Harvey Edward Snowling | Chief Operating Officer | $716,585 | -$124,269 | -15% | Filing P/S | 14 Oct 2026 |
| Daniel Wayne Rabun | Director | $618,184 | Mixed | 17 Mar 2026 | ||
| Jason Philip Crowe | SVP - Commercial | $487,832 | -$75,052 | -13% | Filing P/S | 02 Sep 2026 |
| Charles (chuck) Lee | SVP - General Counsel | $328,834 | -$50,588 | -13% | Filing P/S | 02 Sep 2026 |
| Jehan Mawjee | Chief Accounting Officer | $277,697 | -$52,359 | -16% | Filing P/S | 03 Sep 2026 |
| Mi Hong Yoon | Company Secretary, Director | Mixed | 17 Mar 2026 |
Recent insider transactions for Borr Drilling 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 |
|---|---|---|---|---|---|---|---|---|---|---|
| Tor Olav Troim | BORR | Common Shares | Purchase | 1.26% | $2,299,150 | $4.60 | 500,000 | 40,117,808 | 15 Oct 2026 | By Drew Holdings Ltd. |
| Harvey Edward Snowling | BORR | Common Shares | Sale | -67.3% | $1,473,000 | $4.91 | -300,000 | 145,944 | 14 Oct 2026 | Direct |
| Harvey Edward Snowling | BORR | Common Shares | Purchase | 205.6% | $1,473,000 | $4.91 | 300,000 | 445,944 | 14 Oct 2026 | Direct |
| Tor Olav Troim | BORR | Common Shares | Purchase | 1.93% | $3,542,550 | $4.72 | 750,000 | 39,617,808 | 14 Oct 2026 | By Drew Holdings Ltd. |
| Harvey Edward Snowling | BORR | Employee Stock Option to Purchase Common Shares | Options Exercise | -100% | -150,000 | 0 | 13 Oct 2026 | Direct | ||
| Tor Olav Troim | BORR | Common Shares | Purchase | 4.01% | $7,401,600 | $4.93 | 1,500,000 | 38,867,808 | 13 Oct 2026 | By Drew Holdings Ltd. |
| Tor Olav Troim | BORR | Common Shares | Purchase | 7.19% | $11,843,500 | $4.74 | 2,500,000 | 37,285,941 | 09 Oct 2026 | By Drew Holdings Ltd. |
| Tor Olav Troim | BORR | Common Shares | Purchase | 3.73% | $5,390,250 | $4.31 | 1,250,000 | 34,785,941 | 07 Oct 2026 | By Drew Holdings Ltd. |
| Tor Olav Troim | BORR | Common Shares | Purchase | 4.68% | $6,364,200 | $4.24 | 1,500,000 | 33,535,941 | 06 Oct 2026 | By Drew Holdings Ltd. |
| Tor Olav Troim | BORR | Common Shares | Purchase | 4.91% | $6,197,100 | $4.13 | 1,500,000 | 32,035,941 | 05 Oct 2026 | By Drew Holdings Ltd. |
| Bruno Morand de Oliveira | BORR | Common Shares | Purchase | 4.69% | $200,200 | $4.40 | 45,500 | 1,015,328 | 18 Sep 2026 | Direct |
| Tor Olav Troim | BORR | Common Shares | Purchase | 0.49% | $656,925 | $4.38 | 150,000 | 30,535,941 | 17 Sep 2026 | By Drew Holdings Ltd. |
| Tor Olav Troim | BORR | Common Shares | Purchase | 3.4% | $4,299,500 | $4.30 | 1,000,000 | 30,385,941 | 16 Sep 2026 | By Drew Holdings Ltd. |
| Jehan Mawjee | BORR | Common Shares | Sale | -15.9% | $52,359 | $4.80 | -10,903 | 57,826 | 03 Sep 2026 | Direct |
| Harvey Edward Snowling | BORR | Common Shares | Sale | -15.1% | $124,269 | $4.80 | -25,877 | 145,944 | 03 Sep 2026 | Direct |
| Magnus Vaaler | BORR | Common Shares | Sale | -7.36% | $94,245 | $4.80 | -19,625 | 247,086 | 03 Sep 2026 | Direct |
| Jason Philip Crowe | BORR | Common Shares | Sale | -13.3% | $75,052 | $4.55 | -16,495 | 107,216 | 02 Sep 2026 | Direct |
| Charles (chuck) Lee | BORR | Common Shares | Sale | -13.3% | $50,588 | $4.80 | -10,538 | 68,500 | 02 Sep 2026 | Direct |
| Tor Olav Troim | BORR | Common Shares | Purchase | 0.69% | $874,620 | $4.37 | 200,000 | 29,385,941 | 25 Aug 2026 | By Drew Holdings Ltd. |
| Tor Olav Troim | BORR | Common Shares | Purchase | 1.74% | $2,193,400 | $4.39 | 500,000 | 29,185,941 | 14 Aug 2026 | By Drew Holdings Ltd. |
| Jeffrey Currie | BORR | Common Shares | Purchase | 35.3% | $501,638 | $4.01 | 125,000 | 479,423 | 13 Aug 2026 | Direct |
| Tor Olav Troim | BORR | Common Shares | Purchase | 5.52% | $6,036,750 | $4.02 | 1,500,000 | 28,685,941 | 13 Aug 2026 | By Drew Holdings Ltd. |
| Patrick Schorn | BORR | Common Shares | Purchase | 51.4% | $1,992,000 | $1.66 | 1,200,000 | 3,535,000 | 17 Jun 2026 | Direct |
| Patrick Schorn | BORR | Employee Stock Option to Purchase Common Shares | Options Exercise | 400,000 | 400,000 | 17 Jun 2026 | Direct | |||
| Bruno Morand de Oliveira | BORR | Common Shares | Purchase | 39.6% | $456,500 | $1.66 | 275,000 | 969,828 | 17 Jun 2026 | Direct |
| Bruno Morand de Oliveira | BORR | Employee Stock Option to Purchase Common Shares | Options Exercise | 183,333 | 91,667 | 17 Jun 2026 | Direct | |||
| Tor Olav Troim | BORR | Common Shares | Purchase | 4.07% | $4,996,100 | $4.70 | 1,063,000 | 27,185,941 | 09 Jun 2026 | By Drew Holdings Ltd. |
| Thiago Mordehachvili | BORR | Common Shares | Sale | -17.3% | $37,600,000 | $4.70 | -8,000,000 | 38,199,677 | 09 Jun 2026 | By Granular Capital Ltd |
| Tor Olav Troim | BORR | Common Shares | Purchase | 1.95% | $2,790,900 | $5.58 | 500,000 | 26,122,941 | 16 Apr 2026 | By Drew Holdings Ltd. |
| Jeffrey Currie | BORR | Common Shares | Purchase | 239.4% | $1,327,500 | $5.31 | 250,000 | 354,423 | 24 Mar 2026 | Direct |
| Tor Olav Troim | BORR | Common Shares | Purchase | 1.99% | $2,597,900 | $5.20 | 500,000 | 25,622,941 | 24 Mar 2026 | By Drew Holding Ltd. |
* marks a reported price that did not pass the local price check.