DOSSIER · 13F Holders · Q3 2026
REGENERON PHARMACEUTICALS
6 institutions still hold REGENERON PHARMACEUTICALS as of Q3 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 75886F907·6 13F holders·last filed Sep 30, 2026
AI Holders Summary · Q3 2026
6 institutions reported REGENERON PHARMACEUTICALS in Q3 2026. IMC-Chicago, LLC leads at 75.8% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.