Borr Drilling Limited (BORR) Ownership

NYSE: BORRTop holders, insider trades and short interest.

BORR ownership summary

as of October 18, 2026
Institutions
71.1%
of shares outstanding
Insiders
14.68%
of shares outstanding
Shares outstanding
308.5M
Float
224.9M
shares available to trade
Short interest
14.53%
34.5M shares short
Days to cover
5.85
short interest up 9.8% vs prior month
  • Institutions 71.11%
  • Insiders 14.68%
  • Other investors 14.21%

BORR top institutional holders

20 largest
Borr Drilling Limited top institutional holders
#Holder% of sharesSharesValueChangeReported
1BlackRock Inc4.76%14.7M$66.7M−1.9M (−11.7%)June 30, 2026
2D. E. Shaw & Co LP2.35%7.2M$32.9M+1.0M (+16.1%)June 30, 2026
3SONA ASSET MANAGEMENT (US) LLC1.96%6.0M$27.5M+6.0M (0.0%)June 30, 2026
4The Goldman Sachs Group Inc1.77%5.5M$24.8M−799,232 (−12.8%)June 30, 2026
5State Street Corp1.41%4.4M$19.8M−285,055 (−6.1%)June 30, 2026
6Dimensional Fund Advisors, Inc.1.32%4.1M$18.5M+590,490 (+16.9%)June 30, 2026
7UBS Group AG1.26%3.9M$17.7M+2.0M (+106.1%)June 30, 2026
8Barclays PLC1.13%3.5M$15.8M+1.4M (+65.3%)June 30, 2026
9Geode Capital Management, LLC1.03%3.2M$14.4M−345,383 (−9.8%)June 30, 2026
10Capital Research & Mgmt Co - Division 30.96%3.0M$13.5M+3,104 (+0.1%)June 30, 2026
11SG Americas Securities, LLC0.87%2.7M$12.1M+2.6M (+6,468.1%)June 30, 2026
12Marshall Wace Asset Management Ltd0.78%2.4M$10.9M+510,529 (+27.0%)June 30, 2026
13Bridgeway Capital Management, LLC0.74%2.3M$10.4M+47,783 (+2.1%)June 30, 2026
14Goehring & Rozencwajg Associates LLC0.73%2.2M$10.2M+119,210 (+5.6%)June 30, 2026
15Fideuram - Intesa Sanpaolo Private Banking Spa0.72%2.2M$10.2M+145,977 (+7.0%)June 30, 2026
16Vanguard Portfolio Management, LLC0.72%2.2M$10.1M+309,016 (+16.1%)June 30, 2026
17DnB NOR Asset Management (Asia)0.69%2.1M$9.7M−1.1M (−33.2%)June 30, 2026
18Masters Capital Management LLC0.65%2.0M$9.1M—June 30, 2026
19Millennium Management LLC0.62%1.9M$8.7M−24,385 (−1.3%)June 30, 2026
20Tudor Investment Corp Et AL0.58%1.8M$8.1M−488,009 (−21.5%)June 30, 2026

Value at the latest close. Change = shares bought or sold in the latest quarterly filing (13F). In the top 20, 12 holders added 14.8M shares and 7 cut 5.0M.

BORR top mutual fund and ETF holders

20 largest
Borr Drilling Limited top fund holders
#Holder% of sharesSharesValueChangeReported
1Cobas Selección C FI2.02%6.2M$28.3M+338,476 (+5.7%)December 31, 2025
2iShares Russell 2000 ETF2.01%6.2M$28.1M−71,424 (−1.1%)September 30, 2026
3Cobas Internacional C FI1.88%5.8M$26.3M+285,487 (+5.2%)December 31, 2025
4AZ Fd1 AZ Equity Best Value A - EUR Acc1.56%4.8M$21.8M+593,086 (+14.1%)August 31, 2026
5Azvalor Global Value PP1.16%3.6M$16.2M+1.0M (+39.5%)June 30, 2026
6Fidelity Small Cap Index0.85%2.6M$11.8M+21,658 (+0.8%)July 31, 2026
7Cobas Selection P Acc EUR0.71%2.2M$9.9M+830,561 (+61.5%)June 30, 2026
8VT De Lisle America B USD0.61%1.9M$8.5M—September 30, 2026
9iShares Russell 2000 Growth ETF0.55%1.7M$7.7M−2,155 (−0.1%)September 30, 2026
10Delphi Global A0.51%1.6M$7.1M−762,140 (−32.6%)December 31, 2025
11EA Bridgeway Omni Small-Cap Value ETF0.49%1.5M$6.8M−21,600 (−1.4%)September 30, 2026
12Vanguard Russell 2000 ETF0.45%1.4M$6.3M+16,733 (+1.2%)September 30, 2026
13DFA US Small Cap I0.40%1.2M$5.6M—August 31, 2026
14Cobas International P Acc EUR0.38%1.2M$5.4M+686,192 (+139.1%)June 30, 2026
15DFA US Micro Cap I0.35%1.1M$4.9M+5,976 (+0.6%)August 31, 2026
16Dimensional US Small Cap ETF0.34%1.0M$4.7M—September 30, 2026
17Goehring & Rozencwajg Resources Instl0.30%940K$4.3M—August 31, 2026
18Cobas Global PP0.30%930K$4.2M+119,965 (+14.8%)December 31, 2025
19Bridgeway Omni Small-Cap Value N0.27%825K$3.7M—June 30, 2026
20Invesco Oil & Gas Services ETF0.20%617K$2.8M+255,855 (+70.9%)September 1, 2026

Funds report holdings monthly or quarterly; dates differ by fund.

BORR shares outstanding

Shares outstanding

Year-end shares outstanding, adjusted for splits.

Who owns BORR

Institutional investors own 71.1% of Borr Drilling's shares and insiders 14.68%. The largest holder is BlackRock Inc with 4.76% of the shares (14.7M), as of June 30, 2026. Among the top 20 institutions, 12 added shares and 7 reduced their stake in the latest filings. Short interest is 14.53% of the float, or 5.85 days of average trading volume. The share count rose 487.1% since 2017.

Related: BORR analyst forecast, BORR key metrics, BORR dividend history. See the BORR stock overview for the latest quote and news.

BORR ownership FAQ

Who owns the most Borr Drilling stock?

The largest shareholders of Borr Drilling are BlackRock Inc (4.76%), D. E. Shaw & Co LP (2.35%), SONA ASSET MANAGEMENT (US) LLC (1.96%), The Goldman Sachs Group Inc (1.77%), State Street Corp (1.41%).

What percentage of Borr Drilling is owned by institutions?

Institutions hold 71.1% of Borr Drilling's shares outstanding; insiders hold 14.68%.

Which funds own Borr Drilling?

The largest fund holders of Borr Drilling are Cobas Selección C FI (2.02%), iShares Russell 2000 ETF (2.01%), Cobas Internacional C FI (1.88%), AZ Fd1 AZ Equity Best Value A - EUR Acc (1.56%), Azvalor Global Value PP (1.16%).

What is Borr Drilling's short interest?

34.5M shares of Borr Drilling were sold short, 14.53% of the float; at the average daily volume it would take 5.85 days to cover.

How many shares of Borr Drilling are outstanding?

Borr Drilling has 308.5M shares outstanding, of which 224.9M are in the public float.

Oil & Gas Drilling: ownership