In Q1 2026, 4S Bay invested in Ampaire. The company offers a practical and scalable pathway to decarbonizing aviation, one of the most difficult sectors to transition, while aligning sustainability with clear economic incentives for customers. The company has demonstrated strong early validation through flight operations and has built a network of partnerships across airlines, government agencies such as NASA, and manufacturing collaborators.

In 2024, Firefly achieved an industry record for rapid launch readiness, sending a payload to orbit with just 24 hours’ notice. That speed and affordability are central to its mission of providing reliable access to space at lower cost. The 4S Bay Partners Investment Committee approved investment into Firefly’s Series D round in late 2024. Firefly Aerospace, based in Cedar Park, Texas, is solving these challenges. The company offers rockets of different sizes.

In early 2025, 4S Bay invested in Nile Capital Group which is a GP stakes fund. GP stakes investing—buying equity interests in the management companies of private asset managers—has grown into a strategic segment of private equity. These investments offer access to revenue streams like management fees and carried interest, without requiring control of the firm. While many investors focus on large, established managers, Nile Capital Group has carved out a distinct role by inv

Each family office is developed to best support the governing family. 4S Bay Partners was set up to support personal, philanthropic,...