Ouster, Inc. (OUST) Institutional Ownership

Ownership Summary

Ouster, Inc. (NASDAQ:OUST) has 215 institutional investors that have filed 13F reports for the period ending December 2025.

• Collectively, these holders controlled 51.1% of Ouster's outstanding shares in December 2025, down from 57.0% in September 2025.
• Their total shares held in OUST increased 2.34% quarter over quarter, and separately, investors owning Ouster increased 50.35% from a year ago.
• Of these 215 holders, 117 added to their stakes in Ouster, 68 trimmed positions, and 30 made no changes.
• Institutional investors collectively held 29.63Mn shares in Ouster as of December 2025, up by 677.16K shares quarter on quarter, and up 5.12Mn shares year over year.
• As of December 31, 2025, BlackRock, Inc. held the largest stake in Ouster with 5.29Mn shares, accounting for 9.13% of total shares outstanding.
• The biggest buyers of Ouster for the quarter ending December 2025 included VANGUARD CAPITAL MANAGEMENT LLC (2.66Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (1.77Mn), MIRAE ASSET GLOBAL ETFS HOLDINGS Ltd. (491.33K), ARROWSTREET CAPITAL, LIMITED PARTNERSHIP (485.28K), VANGUARD FIDUCIARY TRUST CO (415.54K).
• The biggest sellers of Ouster for the quarter ending December 2025 included Squarepoint Ops LLC (340.04K), ALGERT GLOBAL LLC (261.98K), Nuveen, LLC (156.15K), SG Americas Securities, LLC (148.99K), FIRST TRUST ADVISORS LP (115.98K).
• Per Business Quant, the top 10 investors in OUST for the quarter ending December 2025 include BlackRock, Inc. (5.29Mn), VANGUARD CAPITAL MANAGEMENT LLC (2.66Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (1.77Mn), State Street Corp (1.63Mn), GEODE CAPITAL MANAGEMENT, LLC (1.45Mn), Penn Capital Management Company, LLC (969.6K), Tao Capital Management LP (845.32K), D. E. Shaw & Co., Inc. (842.09K), Goldman Sachs Group Inc (826.23K), Morgan Stanley (732.98K).