DOSSIER · 13F Holders · Q1 2026
ALFEN NV
1 institutions still hold ALFEN NV as of Q1 2026. Tracked across SEC 13F-HR filings, with insider and 13D/G activity surfaced alongside.
CUSIP 178983253·1 13F holders·last filed Mar 31, 2026
AI Holders Summary · Q1 2026
1 institutions reported ALFEN NV in Q1 2026. ESSEX INVESTMENT MANAGEMENT CO LLC leads at 100.0% of the visible book.
Top holders
Sorted by position value. Source: SEC EDGAR 13F-HR filings.