Mason Capital Management’s Borr Drilling BORR Stock Holding History

Mason Capital Management’s Portfolio BORR Stock Details BORR Fund Activity

Bought

Maintained

Sold

Quarter	Market Value	Status	Shares	Change in Stake	Trade Value	Portfolio Weight	Portfolio Position
2026 Q1	–	Sell	-2,182,136	Closed	-$8.79M	–	8
2025 Q4	$8.79M	Buy	+2,182,136	New	+$7.23M	1.57%	6

Other funds holding BORR

BlackRock New York $6.73T AUM 46.02% 1-Year Est. Return

Goldman Sachs New York $1.15T AUM 47.82% 1-Year Est. Return

D.E. Shaw & Co New York $210B AUM 57.28% 1-Year Est. Return

State Street Boston, Massachusetts $3.37T AUM 44.26% 1-Year Est. Return

Nuveen Charlotte, North Carolina $419B AUM 43.02% 1-Year Est. Return

Morgan Stanley New York $1.89T AUM 35.08% 1-Year Est. Return

Geode Capital Management Boston, Massachusetts $1.88T AUM 44.46% 1-Year Est. Return

Dimensional Fund Advisors Austin, Texas $552B AUM 44.19% 1-Year Est. Return

DnB Asset Management Oslo, Norway $35.7B AUM 27.58% 1-Year Est. Return

Capital International Investors Los Angeles, California $484B AUM 34.9% 1-Year Est. Return

Mason Capital Management's BORR Position: Q1 2026 in Review

Mason Capital Management sold out of Borr Drilling (BORR) in Q1 2026, closing a stake of 2,182,136 shares — an estimated $8.79M sold.

Mason Capital Management first reported a position in BORR in Q4 2025 and held it in 1 quarter. The position peaked at $8.79M in Q4 2025. 188 funds tracked by Wall St. Rank hold BORR as of Q1 2026.

Mason Capital Management reported no remaining Borr Drilling position as of Q1 2026 after selling out during the quarter.
Mason Capital Management sold 2,182,136 Borr Drilling shares in Q1 2026, an estimated $8.79M.
Mason Capital Management first reported a position in Borr Drilling in Q4 2025 and held it in 1 quarter.
Mason Capital Management's Borr Drilling position peaked at $8.79M in Q4 2025.
188 funds tracked by Wall St. Rank held Borr Drilling as of Q1 2026.

Based on Mason Capital Management's 13F filing for Q1 2026, filed 15 May 2026.