DOSSIER · 13F Holders · Q1 2026
ZENAS BIOPHARMA INC
2 institutions still hold ZENAS BIOPHARMA INC as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 98937L955·2 13F holders·last filed Mar 31, 2026
AI Holders Summary · Q1 2026
2 institutions reported ZENAS BIOPHARMA INC in Q1 2026. SIMPLEX TRADING, LLC leads at 77.8% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.