Inventiva IVA Institutional Ownership

Updated Oct 10, 2026

Inventiva S.A. (NASDAQ:IVA) counted 88 institutional investors among its 13F-reported shareholders for the quarter ended June 30, 2026.

• These investors held 45.31% of Inventiva's outstanding shares at the end of Q2 2026, up from 27.10% in Q1 2026.
• Total shares held in Inventiva rose 61.64% from Q1 2026, while the number of holders rose 780.00% from Q2 2025.
• Looking at the 88 holders of IVA individually, 67 added to their positions, 7 reduced their stakes and 14 left their positions unchanged.
• Combined, institutional investors held 84.64Mn shares of IVA as of Q2 2026, up 32.28Mn from the prior quarter and up 79.74Mn from a year earlier.
• Caligan Partners LP was the top holder of Inventiva as of June 30, 2026, with 8.16Mn shares, or 4.37% of shares outstanding.
• The biggest increases in IVA positions during Q2 2026 came from Caligan Partners LP (+3.19Mn shares), Squadron Capital Management LLC (+1.9Mn shares), Andera Partners (+1.81Mn shares), Citadel Advisors LLC (+1.72Mn shares) and ADAR1 Capital Management, LLC (+1.43Mn shares).
• Among holders that kept a stake in Inventiva, the biggest sellers in Q2 2026 were Polar Capital Holdings PLC (-1.06Mn shares), Deep Track Capital, LP (-422.45K shares), Ikarian Capital, LLC (-300K shares), Ally Bridge Group (NY) LLC (-110.5K shares) and Artisan Partners Limited Partnership (-59.47K shares).
• Per Business Quant data, the 10 largest holders of Inventiva at the end of Q2 2026 were Caligan Partners LP (8.16Mn shares), Samsara BioCapital, LLC (6.31Mn shares), Paradigm Biocapital Advisors LP (4Mn shares), Andera Partners (3.63Mn shares), ADAR1 Capital Management, LLC (3.61Mn shares), Millennium Management LLC (3.51Mn shares), Nantahala Capital Management, LLC (2.69Mn shares), Trails Edge Capital Partners, LP (2.66Mn shares), Franklin Templeton Inc (2.64Mn shares) and Squadron Capital Management LLC (2.44Mn shares).