Momentus Inc. (MNTS) Institutional Ownership

Ownership Summary

According to SEC filings for the period ending September 2025, Momentus Inc. (NASDAQ:MNTS) is held by 22 institutional firms.

• Momentus saw its institutional ownership percentage fell to 39.8% in September 2025 from 594.0% in June 2025.
• Institutional share ownership changed by 62.06% QoQ, while the number of institutional owners saw a decrease of 29.03% YoY.
• The latest 13F cycle for Momentus reveals that of 22 total investors, 8 funds grew their exposure, whereas 2 reduced theirs and 12 made no changes.
• Collectively, institutional investors increased their stake in Momentus to 228.10K shares as of September 2025, a change that is up by 87.35K shares quarter on quarter and down 322.74K shares year over year.
• VANGUARD GROUP INC continues to be the largest institutional holder of Momentus as of September 30, 2025, with a position of 88.93K shares, representing 15.50% of the company's outstanding stock.
• Among the most significant buyers of Momentus during September 2025 were VANGUARD GROUP INC (59.72K), Jordan Park Group LLC (57.14K), GEODE CAPITAL MANAGEMENT, LLC (13.06K), SBI Securities Co., Ltd. (9.77K), Tower Research Capital LLC (TRC) (1.72K).
• Leading sellers of Momentus stock in September 2025 included UBS Group AG (54.76K), GROUP ONE TRADING LLC (5).
• The top 10 institutional holders of Momentus for the quarter ending September 2025 included VANGUARD GROUP INC (88.93K), Jordan Park Group LLC (57.14K), GEODE CAPITAL MANAGEMENT, LLC (42.57K), SBI Securities Co., Ltd. (16.85K), UBS Group AG (15.14K), Tower Research Capital LLC (TRC) (4.22K), BlackRock, Inc. (765), MORGAN STANLEY (643), OSAIC HOLDINGS, INC. (633), Allworth Financial LP (500).