DOSSIER · 13F Holders · Q1 2026
PROTAGONIST THERAPEUTICS INC
3 institutions still hold PROTAGONIST THERAPEUTICS INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 74366E902·3 13F holders·last filed Mar 31, 2026
AI Holders Summary · Q1 2026
3 institutions reported PROTAGONIST THERAPEUTICS INC in Q1 2026. SIMPLEX TRADING, LLC leads at 65.2% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.