Citigroup Boosts Stake in Sphere Entertainment

Investment firm increases ownership in entertainment company by 94% in Q3

Published on Mar. 6, 2026

Got story updates? Submit your updates here. ›

Citigroup Inc. has significantly increased its stake in Sphere Entertainment Co. (NYSE:SPHR), according to a recent 13F filing. The investment firm added 24,520 shares to its position during the third quarter, bringing its total ownership to 50,592 shares or approximately 0.14% of the company's stock.

Why it matters

Sphere Entertainment is a newly established entertainment company focused on developing large-scale immersive venues, with its flagship project being the Las Vegas Sphere. Citigroup's increased investment signals confidence in the company's growth potential as it looks to expand its unique audiovisual experiences.

The details

In the 13F filing, Citigroup reported that it now owns 50,592 shares of Sphere Entertainment, up from 26,072 shares held in the prior quarter. This 94% increase in the firm's position was valued at $3.14 million at the end of the third quarter. Sphere Entertainment went public in early 2023 following its separation from Madison Square Garden Entertainment.

  • Citigroup increased its stake in Sphere Entertainment during the 3rd quarter of 2026.

The players

Citigroup Inc.

A multinational investment bank and financial services corporation.

Sphere Entertainment Co.

A publicly traded company focused on developing large-scale immersive entertainment venues, including its flagship project in Las Vegas.

Got photos? Submit your photos here. ›

The takeaway

Citigroup's substantial increase in its Sphere Entertainment holdings suggests the investment firm sees significant growth potential in the company's innovative approach to live entertainment experiences. As Sphere continues to expand its unique offerings, its ability to attract institutional investors like Citigroup will be an important indicator of its long-term success.