Oncology Institute, Inc. (TOI) Institutional Ownership

Ownership Summary

Oncology Institute, Inc. (NASDAQ:TOI) currently has 2 active institutional owners and shareholders as of today (December 2025), that have filed 13F forms with the Securities Exchange Commission (SEC).

• The percentage of Oncology Institute owned by institutions changed from 34.6% in September 2025 to 0.0% in December 2025, marking a slight down trend.
• Quarterly data indicates a -42.50% shift in institutional share volume, and the annual owner count reflects a decrease of 93.75%.
• During the quarter, 1 institutions bought more Oncology Institute shares, 1 sold shares, and 0 of the 2 total investors held their position steady.
• This class of investors decreased its holdings in Oncology Institute to 16.30K shares for the 13F-cycle ending December 2025, down by 12.05K shares quarter on quarter, and down 14.70Mn shares year over year.
• The top institutional stake in Oncology Institute as of December 31, 2025 belongs to SG Americas Securities, LLC, which owns 16.14K shares, or 0.02% of the company.
• Among the most significant buyers of Oncology Institute during December 2025 were GAMMA Investing LLC (160).
• Leading sellers of Oncology Institute stock in December 2025 included SG Americas Securities, LLC (12.21K).
• The top 2 institutional holders of Oncology Institute for the quarter ending December 2025 included SG Americas Securities, LLC (16.14K), GAMMA Investing LLC (160).