AST SpaceMobile ASTS Institutional Ownership

Updated Oct 11, 2026

AST SpaceMobile, Inc. (NASDAQ:ASTS) was held by 753 institutional investors that filed 13F reports for the quarter ended June 30, 2026.

• Together they owned 44.30% of the outstanding stock in Q2 2026, up from 42.34% a quarter earlier.
• Total shares held in AST SpaceMobile rose 4.97% versus Q1 2026, while the number of holders rose 108.01% versus Q2 2025.
• Among the 753 holders of AST SpaceMobile, 543 added to their positions, 138 reduced their stakes and 72 left their positions unchanged.
• Institutional investors held 172.36Mn shares of AST SpaceMobile in total at the end of Q2 2026, up 8.17Mn from the prior quarter and up 49.99Mn from a year earlier.
• As of June 30, 2026, the biggest holder of AST SpaceMobile was Rakuten Group, Inc. with 15.51Mn shares, or 3.99% of shares outstanding.
• Among existing holders, the largest additions to AST SpaceMobile in Q2 2026 came from Morgan Stanley (+4.12Mn shares), Marex Group Ltd (+3.58Mn shares), Jane Street Group, LLC (+3.56Mn shares), Vanguard Portfolio Management LLC (+2.29Mn shares) and UBS Group AG (+2.06Mn shares).
• On the other side, among holders that kept a position in AST SpaceMobile, the largest reductions in Q2 2026 came from Rakuten Group, Inc. (-15.51Mn shares), D. E. Shaw & Co., Inc. (-2.46Mn shares), FMR LLC (-1.49Mn shares), Clear Street Group Inc. (-974.15K shares) and AllianceBernstein L.P. (-941.71K shares).
• Per Business Quant data, the 10 largest holders of AST SpaceMobile at the end of Q2 2026 were Rakuten Group, Inc. (15.51Mn shares), BlackRock, Inc. (15.27Mn shares), Vanguard Portfolio Management LLC (13.33Mn shares), Vanguard Capital Management LLC (12.52Mn shares), Alphabet Inc. (8.94Mn shares), Morgan Stanley (7.32Mn shares), UBS Group AG (6.6Mn shares), State Street Corp (6.53Mn shares), Marex Group Ltd (6.22Mn shares) and Vodafone Ventures Ltd (5.47Mn shares).