AST SpaceMobile, Inc. (ASTS) Institutional Ownership

Ownership Summary

According to SEC filings for the period ending December 2025, AST SpaceMobile, Inc. (NASDAQ:ASTS) is held by 209 institutional firms.

• These investors collectively held 23.1% of the company's total shares outstanding in December 2025, down from 51.5% in September 2025.
• The company experienced a 8.17% quarterly change in institutional shares held, alongside a decrease of 20.23% in total owners annually.
• During the quarter, 155 institutions bought more AST SpaceMobile shares, 32 sold shares, and 22 of the 209 total investors held their position steady.
• The aggregate institutional position in AST SpaceMobile now stands at 63.10Mn shares as of December 2025, after investors increased their holdings (up by 4.76Mn shares quarter on quarter which is down 14.76Mn shares year over year).
• Rakuten Group, Inc.'s holding of 31.02Mn shares as of December 31, 2025 makes it the primary institutional investor in AST SpaceMobile, owning 11.36% of the stock.
• Among the most significant buyers of AST SpaceMobile during December 2025 were UBS Group AG (2.70Mn), VANGUARD GROUP INC (1.57Mn), IMC-Chicago, LLC (212.55K), NORTHWESTERN MUTUAL WEALTH MANAGEMENT CO (86.02K), DAVENPORT & Co LLC (61.94K).
• Leading sellers of AST SpaceMobile stock in December 2025 included DnB Asset Management AS (85.54K), Universal- Beteiligungs- und Servicegesellschaft mbH (77.17K), EXCHANGE TRADED CONCEPTS, LLC (70.63K), SG Americas Securities, LLC (22.19K), TEACHER RETIREMENT SYSTEM OF TEXAS (18.74K).
• The top 10 institutional holders of AST SpaceMobile for the quarter ending December 2025 included Rakuten Group, Inc. (31.02Mn), VANGUARD GROUP INC (21.49Mn), UBS Group AG (6.65Mn), IMC-Chicago, LLC (688.97K), OPPENHEIMER & CO INC (527.78K), DnB Asset Management AS (187.12K), Dynamic Advisor Solutions LLC (149.91K), Privium Fund Management B.V. (145.00K), Chicago Partners Investment Group LLC (102.96K), SBI Securities Co., Ltd. (101.73K).