Cellectis CLLS Institutional Ownership

Updated Oct 5, 2026

Cellectis S.A. (NASDAQ:CLLS) was reported as a holding by 27 institutional investors in 13F filings for the quarter ended June 30, 2026.

• These investors held 9.46% of Cellectis' outstanding shares at the end of Q2 2026, down from 10.24% in Q1 2026.
• Total shares held in Cellectis fell 7.63% versus Q1 2026, while the number of holders rose 17.39% versus Q2 2025.
• Looking at the 27 holders of CLLS individually, 5 added to their positions, 10 reduced their stakes and 12 left their positions unchanged.
• Altogether, institutional holders owned 9.48Mn CLLS shares at the end of Q2 2026, down 782.71K from the prior quarter and down 2.18Mn from a year earlier.
• B Group, Inc. was the top holder of Cellectis as of June 30, 2026, with 3.28Mn shares, or 3.27% of shares outstanding.
• Holders that added the most shares of Cellectis in Q2 2026 were UBS Group AG (+4.15K shares) and LPL Financial LLC (+70 shares).
• Holders that trimmed the most shares of Cellectis in Q2 2026 while keeping a position were UBS Asset Management Americas (-533.74K shares), BlackRock, Inc. (-116.08K shares), Susquehanna International Group, LLP (-15.49K shares), EverSource Wealth Advisors, LLC (-5.07K shares) and XTX Topco Ltd (-3.99K shares).
• Per Business Quant data, the 10 largest holders of Cellectis at the end of Q2 2026 were B Group, Inc. (3.28Mn shares), Long Focus Capital Management, LLC (2.74Mn shares), UBS Asset Management Americas (2.64Mn shares), Nomura Asset Management International Inc. (226.88K shares), BlackRock, Inc. (225.44K shares), Morgan Stanley (85.45K shares), LPL Financial LLC (84.42K shares), Susquehanna International Group, LLP (50.45K shares), BNP Paribas Financial Markets (40.1K shares) and UBS Group AG (33.93K shares).