ArriVent BioPharma, Inc. (AVBP) Institutional Ownership

Ownership Summary

A total of 104 institutions have reported a stake in ArriVent BioPharma, Inc. (NASDAQ:AVBP) as of September 2025, according to recent 13F filings with the SEC.

• The percentage of ArriVent BioPharma owned by institutions changed from 98.2% in June 2025 to 95.1% in September 2025, marking a slight down trend.
• The company experienced a 15.33% quarterly change in institutional shares held, alongside an increase of 52.94% in total owners annually.
• A review of institutional activity for ArriVent BioPharma shows 62 of 104 filers increasing their positions, while 19 reduced their stake, and 23 remained unchanged.
• The total number of shares held by institutions in ArriVent BioPharma increased to 38.60Mn as of September 2025, a net change of up by 5.13Mn shares quarter on quarter, and up 12.69Mn shares year over year.
• With 4.48Mn shares, HHLR ADVISORS, LTD. commands the largest institutional position in ArriVent BioPharma as of September 30, 2025, equating to 11.05% of the company.
• Among the most significant buyers of ArriVent BioPharma during September 2025 were FMR LLC (1.35Mn), VANGUARD GROUP INC (545.99K), INFINITUM ASSET MANAGEMENT, LLC (450.00K), UBS Group AG (411.01K), MORGAN STANLEY (290.67K).
• Leading sellers of ArriVent BioPharma stock in September 2025 included Hidden Lake Asset Management LP (292.81K), Squarepoint Ops LLC (76.05K), Verition Fund Management LLC (41.46K), UBS AM, a distinct business unit of UBS ASSET MANAGEMENT AMERICAS LLC (18.59K), MOODY ALDRICH PARTNERS LLC (12.12K).
• The top 10 institutional holders of ArriVent BioPharma for the quarter ending September 2025 included HHLR ADVISORS, LTD. (4.48Mn), INFINITUM ASSET MANAGEMENT, LLC (3.87Mn), SUVRETTA CAPITAL MANAGEMENT, LLC (3.70Mn), FMR LLC (3.41Mn), ORBIMED ADVISORS LLC (3.03Mn), BlackRock, Inc. (2.05Mn), VANGUARD GROUP INC (2.03Mn), Octagon Capital Advisors LP (1.97Mn), Novo Holdings A/S (1.94Mn), Sofinnova Investments, Inc. (1.70Mn).