Liftoff Mobile, a mobile app marketing platform backed by Blackstone and General Atlantic, confidentially filed its S-1 document late Tuesday, signaling its intent to go public. The move comes amid renewed interest in tech IPOs, spurred in part by news of Discord exploring a public offering.

While the company has yet to disclose the size of the offering or the stakes held by its principal shareholders, IPO research firm Renaissance Capital estimates the company hopes to raise $400 million. Blackstone, which acquired a majority stake in Liftoff in 2021, will remain the majority shareholder after the IPO. Notably, the offering is supported by a large syndicate of underwriters, including joint lead bankers Goldman Sachs, Jefferies, and Morgan Stanley, along with 12 additional banks.

Liftoff's IPO arrives as mobile app developers face increasing challenges in user acquisition and marketing. The company's platform aims to address these challenges by providing tools and services to optimize app marketing campaigns. A successful IPO could provide Liftoff with the capital to further invest in its platform and expand its market reach, potentially intensifying competition in the mobile app marketing space.

Liftoff was formed in 2021 through the merger of Liftoff and Vungle. Blackstone's acquisition of a majority stake at the time also led to a change in leadership, transitioning the company away from its founder-led structure. The company's platform offers a range of services, including user acquisition, retargeting, and app monetization solutions.

Looking ahead, Liftoff's performance as a public company will depend on its ability to continue innovating and adapting to the evolving needs of mobile app developers. The company's relationship with Blackstone, as its majority shareholder, will also likely play a significant role in its strategic direction and future growth. The market will be watching closely to see how Liftoff navigates the competitive landscape and capitalizes on the growing demand for mobile app marketing solutions.