Tempus AI, Inc. (TEM) Institutional Ownership

Ownership Summary

Tempus AI, Inc. (NASDAQ:TEM) appears in 439 institutional 13F filings for the quarter ending December 2025.

• Collectively, these holders controlled 57.1% of Tempus AI's outstanding shares in December 2025, down from 58.0% in September 2025.
• Their total shares held in TEM increased 2.54% from the prior quarter, while the number of investors in Tempus AI increased 190.73% year over year.
• Activity in TEM broke down as 262 buyers, 122 sellers, and 55 unchanged among 439 total holders.
• Altogether, these fund groups held 99.86Mn shares in TEM by December 2025, up by 2.47Mn shares quarter on quarter, and up 47.9Mn shares year over year.
• ARK Investment Management LLC leads ownership in TEM with 9.61Mn shares as of December 31, 2025, equal to 5.49% of outstanding shares.
• The largest buyers of Tempus AI for the quarter ending December 2025 were VANGUARD CAPITAL MANAGEMENT LLC (4.92Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (4.68Mn), ARK Investment Management LLC (2.05Mn), UBS Group AG (1.75Mn), BlackRock, Inc. (1.45Mn).
• The largest sellers of Tempus AI for the quarter ending December 2025 were D. E. Shaw & Co., Inc. (1.1Mn), TWO SIGMA INVESTMENTS, LP (792.08K), Bank Of America Corp /De/ (725.71K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (612.09K), VOLORIDGE INVESTMENT MANAGEMENT, LLC (400.13K).
• According to Business Quant data, leading holders of TEM for December 2025 are ARK Investment Management LLC (9.61Mn), BlackRock, Inc. (8.97Mn), BAILLIE GIFFORD & CO (8.65Mn), GC Wealth Management RIA, LLC (6.61Mn), SOFTBANK GROUP CORP. (5.41Mn), Jpmorgan Chase & Co (4.93Mn), VANGUARD CAPITAL MANAGEMENT LLC (4.92Mn), VANGUARD PORTFOLIO MANAGEMENT LLC (4.68Mn), Amova Asset Management Americas, Inc. (4.33Mn), Sumitomo Mitsui Trust Group, Inc. (4.33Mn).