Tempus AI, Inc. (TEM) Institutional Ownership

Ownership Summary

Tempus AI, Inc. (NASDAQ:TEM) showed up in the 13F filings of 439 institutional investors as of December 2025.

• Collectively, these holders controlled 57.1% of Tempus AI's outstanding shares in December 2025, down from 58.0% in September 2025.
• They increased total shares held in TEM by 2.54% quarter over quarter, and investors in Tempus AI increased 190.73% from a year ago.
• Among the 439 funds, 262 bought more Tempus AI shares, 122 sold down, and 55 held their ground.
• The aggregate institutional position in Tempus AI amounted to 99.86Mn shares as of December 2025, up by 2.47Mn shares quarter on quarter, and up 47.9Mn shares year over year.
• ARK Investment Management LLC is the top holder of Tempus AI as of December 31, 2025, with 9.61Mn shares representing 5.49% of outstanding stock.
• 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).
• Business Quant data shows the 10 biggest positions in Tempus AI as of December 2025 are held by 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).