Borr Drilling

BORR · NYSE

$4.22−$0.22 (−4.95%)TodayMarket closed · Oct 20, 7:47 PM ET

Prev close $4.44

Who owns BORR

Largest institutional holders, from their latest 13F filings

The 10 largest institutions hold 53.6% of BORR’s shares.

Granular Capital Limited13.0%
Cobas Asset Management, SGIIC, SA10.2%
azValor Asset Management SGIIC, SAU9.3%
Troim (Tor Olav)8.8%
Next 6 largest institutions12.3%
All other shareholders46.4%

Top institutional holders of BORR
Holder	Shares	% of shares	Change, last filing	Filed
Granular Capital Limited	40.15M	13.05%	−6.00M	Jun 30, 2026
Cobas Asset Management, SGIIC, SA	31.33M	10.18%	+15.01M	Aug 13, 2026
azValor Asset Management SGIIC, SAU	28.61M	9.30%	+8.86M	Nov 14, 2025
Troim (Tor Olav)	27.19M	8.84%	+2.04M	Jun 30, 2026
BlackRock Institutional Trust Company, N.A.	12.18M	3.96%	−1.59M	Jun 30, 2026
D. E. Shaw & Co., L.P.	7.25M	2.36%	+1.01M	Jun 30, 2026
Sona Asset Management (UK) LLP	6.05M	1.97%	+6.05M	Jun 30, 2026
State Street Investment Management (US)	4.35M	1.41%	−285.06K	Jun 30, 2026
Dimensional Fund Advisors, L.P.	4.08M	1.33%	+590.49K	Jun 30, 2026
UBS Financial Services, Inc.	3.89M	1.27%	+2.00M	Jun 30, 2026

Largest mutual fund holders

Top mutual fund holders of BORR
Holder	Shares	% of shares	Change, last filing	Filed
AzValor Internacional, FI	23.26M	7.56%	+6.59M	Dec 31, 2025
Cobas Seleccion, FI	6.23M	2.03%	+6.23M	Dec 31, 2025
iShares Russell 2000 ETF	6.16M	2.00%	+33.38K	Jul 31, 2026
Cobas Internacional, FI	5.79M	1.88%	+5.79M	Dec 31, 2025
AZ Fund 1 - AZ Equity - Best Value	4.21M	1.37%	+257.60K	Jul 31, 2026

Insider trades

Form 4 filings by officers, directors and large holders

Over the last 6 months, insiders bought $66.72M (18 trades) and sold $39.47M (7 trades) of BORR on the open market.

Latest BORR insider transactions
Insider	Date	Type	Shares	Price	Value
Troim Tor Olav	Oct 15, 2026	Buy	500.00K	$4.60	$2.30M
Snowling Harvey Edward	Oct 14, 2026	Sale	300.00K	$4.91	$1.47M
Snowling Harvey Edward	Oct 14, 2026	Buy	300.00K	$4.91	$1.47M
Troim Tor Olav	Oct 14, 2026	Buy	750.00K	$4.72	$3.54M
Snowling Harvey Edward	Oct 13, 2026	Option exercise	150.00K	$4.91	$736.50K
Snowling Harvey Edward	Oct 13, 2026	Option exercise	150.00K	$4.91	$736.50K
Troim Tor Olav	Oct 13, 2026	Buy	1.50M	$4.93	$7.40M
Troim Tor Olav	Oct 9, 2026	Buy	2.50M	$4.74	$11.84M
Troim Tor Olav	Oct 7, 2026	Buy	1.25M	$4.31	$5.39M
Troim Tor Olav	Oct 6, 2026	Buy	1.50M	$4.24	$6.36M

Short interest

Settled Sep 30, 2026

Shares short: 34.51M
Days to cover: 5.35
% of shares outstanding: 11.21%
Average daily volume: 6.45M
Change since last report: +17.3%

Information on this page is provided for informational purposes only and is not a recommendation to buy, sell or hold any security. Investing involves risk, including possible loss of principal. Market data is delayed at least 15 minutes and is provided without warranty. Analyst ratings, price targets and company data come from third-party sources. Past performance does not guarantee future results.