$200M sweet spot round size
Most of their 25 investments are in rounds between $100M and $293M
1995
Amicus Therapeutics raised $400M on October 2, 2023
Investors: GSO Capital Partners
Undisclosed raised $293M on February 16, 2023
Investors: GSO Capital Partners
Westland Insurance Group Ltd. raised $200M on December 13, 2022
Investors: GSO Capital Partners
PTC Therapeutics, Inc. raised $1B on October 27, 2022
Investors: GSO Capital Partners
Undisclosed raised undisclosed on March 8, 2022
Investors: Greenbelt Capital Partners, Trilantic Capital Partners, Energy Impact Partners and GSO Capital Partners
Westland Insurance Group Ltd. raised $250M on January 12, 2022
Investors: GSO Capital Partners
Auctane raised undisclosed on July 1, 2021
Investors: GSO Capital Partners
ClearGen LLC raised $250M on September 18, 2020
Investors: GSO Capital Partners
Alnylam Pharmaceuticals raised $750M on April 13, 2020
Investors: GSO Capital Partners
Undisclosed raised $145M on February 18, 2020
Investors: GSO Capital Partners