Cellectis S.A. (CLLS) Institutional Ownership

Ownership Summary

A total of 28 institutions have reported a stake in Cellectis S.A. (NASDAQ:CLLS) as of September 2025, according to recent 13F filings with the SEC.

• The collective stake of institutional investors in Cellectis moved to 11.5% in September 2025, a shift down from the 16.3% reported for June 2025.
• Institutional share ownership changed by -4.92% QoQ, while the number of institutional owners saw an increase of 7.69% YoY.
• Of these 28 institutional investors, 11 increased their holdings in Cellectis, while 8 of them reduced positions, and 9 investors maintained their exposure.
• The total number of shares held by institutions in Cellectis decreased to 8.31Mn as of September 2025, a net change of down by 430.28K shares quarter on quarter, and down 6.04Mn shares year over year.
• Long Focus Capital Management, LLC's holding of 4.12Mn shares as of September 30, 2025 makes it the primary institutional investor in Cellectis, owning 5.70% of the stock.
• Among the most significant buyers of Cellectis during September 2025 were CITADEL ADVISORS LLC (187.17K), B Group, Inc. (25.00K), Delaney Dennis R (24.00K), MILLENNIUM MANAGEMENT LLC (22.08K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (19.43K).
• Leading sellers of Cellectis stock in September 2025 included Long Focus Capital Management, LLC (594.03K), MARSHALL WACE, LLP (98.31K), WELLS FARGO & COMPANY/MN (14.00K), First Affirmative Financial Network (9.64K), MORGAN STANLEY (5.12K).
• The top 10 institutional holders of Cellectis for the quarter ending September 2025 included Long Focus Capital Management, LLC (4.12Mn), B Group, Inc. (3.28Mn), MACQUARIE GROUP LTD (226.88K), CITADEL ADVISORS LLC (221.96K), MORGAN STANLEY (87.67K), LPL Financial LLC (85.15K), MILLENNIUM MANAGEMENT LLC (57.74K), SUSQUEHANNA INTERNATIONAL GROUP, LLP (53.87K), BNP PARIBAS FINANCIAL MARKETS (41.30K), UBS Group AG (29.30K).